![Abhishek Sahu](/assets/img/avatar_default.png)
The current driver code gives the crash or gets hang while switching the CPU frequency some time. The APSS CPU Clock divider is not glitch free so it the APPS clock need to be switched for stable clock during the change. This patch adds the frequency change notifier for APSS CPU clock. It changes the parent of this clock to stable PLL FEPLL500 for PRE_RATE_CHANGE event. This event will be generated before actual clock set operations. The clock set operation will again change its corresponding parent by getting the same from frequency table. Signed-off-by: Abhishek Sahu <absahu@codeaurora.org> [sboyd@codeaurora.org: Indent less in probe] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
1804 lines
43 KiB
C
1804 lines
43 KiB
C
/*
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* Copyright (c) 2015 The Linux Foundation. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/err.h>
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#include <linux/platform_device.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/clk-provider.h>
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#include <linux/regmap.h>
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#include <linux/reset-controller.h>
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#include <linux/math64.h>
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#include <linux/delay.h>
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#include <linux/clk.h>
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#include <dt-bindings/clock/qcom,gcc-ipq4019.h>
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#include "common.h"
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#include "clk-regmap.h"
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#include "clk-rcg.h"
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#include "clk-branch.h"
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#include "reset.h"
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#include "clk-regmap-divider.h"
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#define to_clk_regmap_div(_hw) container_of(to_clk_regmap(_hw),\
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struct clk_regmap_div, clkr)
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#define to_clk_fepll(_hw) container_of(to_clk_regmap_div(_hw),\
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struct clk_fepll, cdiv)
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enum {
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P_XO,
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P_FEPLL200,
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P_FEPLL500,
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P_DDRPLL,
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P_FEPLLWCSS2G,
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P_FEPLLWCSS5G,
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P_FEPLL125DLY,
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P_DDRPLLAPSS,
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};
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/*
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* struct clk_fepll_vco - vco feedback divider corresponds for FEPLL clocks
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* @fdbkdiv_shift: lowest bit for FDBKDIV
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* @fdbkdiv_width: number of bits in FDBKDIV
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* @refclkdiv_shift: lowest bit for REFCLKDIV
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* @refclkdiv_width: number of bits in REFCLKDIV
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* @reg: PLL_DIV register address
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*/
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struct clk_fepll_vco {
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u32 fdbkdiv_shift;
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u32 fdbkdiv_width;
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u32 refclkdiv_shift;
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u32 refclkdiv_width;
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u32 reg;
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};
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/*
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* struct clk_fepll - clk divider corresponds to FEPLL clocks
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* @fixed_div: fixed divider value if divider is fixed
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* @parent_map: map from software's parent index to hardware's src_sel field
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* @cdiv: divider values for PLL_DIV
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* @pll_vco: vco feedback divider
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* @div_table: mapping for actual divider value to register divider value
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* in case of non fixed divider
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* @freq_tbl: frequency table
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*/
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struct clk_fepll {
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u32 fixed_div;
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const u8 *parent_map;
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struct clk_regmap_div cdiv;
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const struct clk_fepll_vco *pll_vco;
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const struct clk_div_table *div_table;
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const struct freq_tbl *freq_tbl;
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};
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static struct parent_map gcc_xo_200_500_map[] = {
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{ P_XO, 0 },
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{ P_FEPLL200, 1 },
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{ P_FEPLL500, 2 },
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};
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static const char * const gcc_xo_200_500[] = {
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"xo",
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"fepll200",
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"fepll500",
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};
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static struct parent_map gcc_xo_200_map[] = {
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{ P_XO, 0 },
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{ P_FEPLL200, 1 },
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};
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static const char * const gcc_xo_200[] = {
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"xo",
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"fepll200",
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};
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static struct parent_map gcc_xo_200_spi_map[] = {
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{ P_XO, 0 },
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{ P_FEPLL200, 2 },
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};
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static const char * const gcc_xo_200_spi[] = {
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"xo",
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"fepll200",
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};
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static struct parent_map gcc_xo_sdcc1_500_map[] = {
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{ P_XO, 0 },
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{ P_DDRPLL, 1 },
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{ P_FEPLL500, 2 },
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};
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static const char * const gcc_xo_sdcc1_500[] = {
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"xo",
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"ddrpllsdcc",
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"fepll500",
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};
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static struct parent_map gcc_xo_wcss2g_map[] = {
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{ P_XO, 0 },
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{ P_FEPLLWCSS2G, 1 },
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};
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static const char * const gcc_xo_wcss2g[] = {
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"xo",
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"fepllwcss2g",
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};
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static struct parent_map gcc_xo_wcss5g_map[] = {
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{ P_XO, 0 },
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{ P_FEPLLWCSS5G, 1 },
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};
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static const char * const gcc_xo_wcss5g[] = {
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"xo",
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"fepllwcss5g",
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};
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static struct parent_map gcc_xo_125_dly_map[] = {
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{ P_XO, 0 },
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{ P_FEPLL125DLY, 1 },
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};
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static const char * const gcc_xo_125_dly[] = {
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"xo",
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"fepll125dly",
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};
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static struct parent_map gcc_xo_ddr_500_200_map[] = {
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{ P_XO, 0 },
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{ P_FEPLL200, 3 },
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{ P_FEPLL500, 2 },
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{ P_DDRPLLAPSS, 1 },
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};
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/*
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* Contains index for safe clock during APSS freq change.
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* fepll500 is being used as safe clock so initialize it
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* with its index in parents list gcc_xo_ddr_500_200.
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*/
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static const int gcc_ipq4019_cpu_safe_parent = 2;
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static const char * const gcc_xo_ddr_500_200[] = {
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"xo",
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"fepll200",
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"fepll500",
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"ddrpllapss",
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};
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#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }
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static const struct freq_tbl ftbl_gcc_audio_pwm_clk[] = {
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F(48000000, P_XO, 1, 0, 0),
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F(200000000, P_FEPLL200, 1, 0, 0),
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{ }
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};
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static struct clk_rcg2 audio_clk_src = {
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.cmd_rcgr = 0x1b000,
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.hid_width = 5,
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.parent_map = gcc_xo_200_map,
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.freq_tbl = ftbl_gcc_audio_pwm_clk,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "audio_clk_src",
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.parent_names = gcc_xo_200,
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.num_parents = 2,
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch gcc_audio_ahb_clk = {
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.halt_reg = 0x1b010,
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.clkr = {
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.enable_reg = 0x1b010,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_audio_ahb_clk",
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.parent_names = (const char *[]){
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"pcnoc_clk_src",
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},
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.flags = CLK_SET_RATE_PARENT,
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch gcc_audio_pwm_clk = {
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.halt_reg = 0x1b00C,
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.clkr = {
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.enable_reg = 0x1b00C,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_audio_pwm_clk",
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.parent_names = (const char *[]){
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"audio_clk_src",
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},
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.flags = CLK_SET_RATE_PARENT,
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_i2c_apps_clk[] = {
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F(19050000, P_FEPLL200, 10.5, 1, 1),
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{ }
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};
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static struct clk_rcg2 blsp1_qup1_i2c_apps_clk_src = {
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.cmd_rcgr = 0x200c,
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.hid_width = 5,
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.parent_map = gcc_xo_200_map,
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.freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "blsp1_qup1_i2c_apps_clk_src",
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.parent_names = gcc_xo_200,
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.num_parents = 2,
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch gcc_blsp1_qup1_i2c_apps_clk = {
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.halt_reg = 0x2008,
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.clkr = {
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.enable_reg = 0x2008,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_blsp1_qup1_i2c_apps_clk",
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.parent_names = (const char *[]){
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"blsp1_qup1_i2c_apps_clk_src",
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},
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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.flags = CLK_SET_RATE_PARENT,
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},
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},
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};
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static struct clk_rcg2 blsp1_qup2_i2c_apps_clk_src = {
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.cmd_rcgr = 0x3000,
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.hid_width = 5,
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.parent_map = gcc_xo_200_map,
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.freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "blsp1_qup2_i2c_apps_clk_src",
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.parent_names = gcc_xo_200,
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.num_parents = 2,
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch gcc_blsp1_qup2_i2c_apps_clk = {
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.halt_reg = 0x3010,
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.clkr = {
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.enable_reg = 0x3010,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_blsp1_qup2_i2c_apps_clk",
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.parent_names = (const char *[]){
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"blsp1_qup2_i2c_apps_clk_src",
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},
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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.flags = CLK_SET_RATE_PARENT,
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},
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},
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};
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static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_spi_apps_clk[] = {
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F(960000, P_XO, 12, 1, 4),
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F(4800000, P_XO, 1, 1, 10),
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F(9600000, P_XO, 1, 1, 5),
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F(15000000, P_XO, 1, 1, 3),
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F(19200000, P_XO, 1, 2, 5),
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F(24000000, P_XO, 1, 1, 2),
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F(48000000, P_XO, 1, 0, 0),
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{ }
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};
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static struct clk_rcg2 blsp1_qup1_spi_apps_clk_src = {
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.cmd_rcgr = 0x2024,
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.mnd_width = 8,
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.hid_width = 5,
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.parent_map = gcc_xo_200_spi_map,
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.freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "blsp1_qup1_spi_apps_clk_src",
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.parent_names = gcc_xo_200_spi,
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.num_parents = 2,
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch gcc_blsp1_qup1_spi_apps_clk = {
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.halt_reg = 0x2004,
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.clkr = {
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.enable_reg = 0x2004,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_blsp1_qup1_spi_apps_clk",
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.parent_names = (const char *[]){
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"blsp1_qup1_spi_apps_clk_src",
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},
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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.flags = CLK_SET_RATE_PARENT,
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},
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},
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};
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static struct clk_rcg2 blsp1_qup2_spi_apps_clk_src = {
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.cmd_rcgr = 0x3014,
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.mnd_width = 8,
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.hid_width = 5,
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.freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
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.parent_map = gcc_xo_200_spi_map,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "blsp1_qup2_spi_apps_clk_src",
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.parent_names = gcc_xo_200_spi,
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.num_parents = 2,
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch gcc_blsp1_qup2_spi_apps_clk = {
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.halt_reg = 0x300c,
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.clkr = {
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.enable_reg = 0x300c,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_blsp1_qup2_spi_apps_clk",
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.parent_names = (const char *[]){
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"blsp1_qup2_spi_apps_clk_src",
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},
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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.flags = CLK_SET_RATE_PARENT,
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},
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},
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};
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static const struct freq_tbl ftbl_gcc_blsp1_uart1_2_apps_clk[] = {
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F(1843200, P_FEPLL200, 1, 144, 15625),
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F(3686400, P_FEPLL200, 1, 288, 15625),
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F(7372800, P_FEPLL200, 1, 576, 15625),
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F(14745600, P_FEPLL200, 1, 1152, 15625),
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F(16000000, P_FEPLL200, 1, 2, 25),
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F(24000000, P_XO, 1, 1, 2),
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F(32000000, P_FEPLL200, 1, 4, 25),
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F(40000000, P_FEPLL200, 1, 1, 5),
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F(46400000, P_FEPLL200, 1, 29, 125),
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F(48000000, P_XO, 1, 0, 0),
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{ }
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};
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static struct clk_rcg2 blsp1_uart1_apps_clk_src = {
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.cmd_rcgr = 0x2044,
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.mnd_width = 16,
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.hid_width = 5,
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.freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
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.parent_map = gcc_xo_200_spi_map,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "blsp1_uart1_apps_clk_src",
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.parent_names = gcc_xo_200_spi,
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.num_parents = 2,
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch gcc_blsp1_uart1_apps_clk = {
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.halt_reg = 0x203c,
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.clkr = {
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.enable_reg = 0x203c,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_blsp1_uart1_apps_clk",
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.parent_names = (const char *[]){
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"blsp1_uart1_apps_clk_src",
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},
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.flags = CLK_SET_RATE_PARENT,
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_rcg2 blsp1_uart2_apps_clk_src = {
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.cmd_rcgr = 0x3034,
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.mnd_width = 16,
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.hid_width = 5,
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.freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
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.parent_map = gcc_xo_200_spi_map,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "blsp1_uart2_apps_clk_src",
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.parent_names = gcc_xo_200_spi,
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.num_parents = 2,
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch gcc_blsp1_uart2_apps_clk = {
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.halt_reg = 0x302c,
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.clkr = {
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.enable_reg = 0x302c,
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.enable_mask = BIT(0),
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.hw.init = &(struct clk_init_data){
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.name = "gcc_blsp1_uart2_apps_clk",
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.parent_names = (const char *[]){
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"blsp1_uart2_apps_clk_src",
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},
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.num_parents = 1,
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.ops = &clk_branch2_ops,
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.flags = CLK_SET_RATE_PARENT,
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},
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},
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};
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static const struct freq_tbl ftbl_gcc_gp_clk[] = {
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F(1250000, P_FEPLL200, 1, 16, 0),
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F(2500000, P_FEPLL200, 1, 8, 0),
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F(5000000, P_FEPLL200, 1, 4, 0),
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{ }
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};
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static struct clk_rcg2 gp1_clk_src = {
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.cmd_rcgr = 0x8004,
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.mnd_width = 8,
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.hid_width = 5,
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.freq_tbl = ftbl_gcc_gp_clk,
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.parent_map = gcc_xo_200_map,
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.clkr.hw.init = &(struct clk_init_data){
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.name = "gp1_clk_src",
|
|
.parent_names = gcc_xo_200,
|
|
.num_parents = 2,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_gp1_clk = {
|
|
.halt_reg = 0x8000,
|
|
.clkr = {
|
|
.enable_reg = 0x8000,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_gp1_clk",
|
|
.parent_names = (const char *[]){
|
|
"gp1_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_rcg2 gp2_clk_src = {
|
|
.cmd_rcgr = 0x9004,
|
|
.mnd_width = 8,
|
|
.hid_width = 5,
|
|
.freq_tbl = ftbl_gcc_gp_clk,
|
|
.parent_map = gcc_xo_200_map,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "gp2_clk_src",
|
|
.parent_names = gcc_xo_200,
|
|
.num_parents = 2,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_gp2_clk = {
|
|
.halt_reg = 0x9000,
|
|
.clkr = {
|
|
.enable_reg = 0x9000,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_gp2_clk",
|
|
.parent_names = (const char *[]){
|
|
"gp2_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_rcg2 gp3_clk_src = {
|
|
.cmd_rcgr = 0xa004,
|
|
.mnd_width = 8,
|
|
.hid_width = 5,
|
|
.freq_tbl = ftbl_gcc_gp_clk,
|
|
.parent_map = gcc_xo_200_map,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "gp3_clk_src",
|
|
.parent_names = gcc_xo_200,
|
|
.num_parents = 2,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_gp3_clk = {
|
|
.halt_reg = 0xa000,
|
|
.clkr = {
|
|
.enable_reg = 0xa000,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_gp3_clk",
|
|
.parent_names = (const char *[]){
|
|
"gp3_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_gcc_sdcc1_apps_clk[] = {
|
|
F(144000, P_XO, 1, 3, 240),
|
|
F(400000, P_XO, 1, 1, 0),
|
|
F(20000000, P_FEPLL500, 1, 1, 25),
|
|
F(25000000, P_FEPLL500, 1, 1, 20),
|
|
F(50000000, P_FEPLL500, 1, 1, 10),
|
|
F(100000000, P_FEPLL500, 1, 1, 5),
|
|
F(192000000, P_DDRPLL, 1, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 sdcc1_apps_clk_src = {
|
|
.cmd_rcgr = 0x18004,
|
|
.hid_width = 5,
|
|
.freq_tbl = ftbl_gcc_sdcc1_apps_clk,
|
|
.parent_map = gcc_xo_sdcc1_500_map,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "sdcc1_apps_clk_src",
|
|
.parent_names = gcc_xo_sdcc1_500,
|
|
.num_parents = 3,
|
|
.ops = &clk_rcg2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_gcc_apps_clk[] = {
|
|
F(48000000, P_XO, 1, 0, 0),
|
|
F(200000000, P_FEPLL200, 1, 0, 0),
|
|
F(384000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(413000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(448000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(488000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(500000000, P_FEPLL500, 1, 0, 0),
|
|
F(512000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(537000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(565000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(597000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(632000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(672000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
F(716000000, P_DDRPLLAPSS, 1, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 apps_clk_src = {
|
|
.cmd_rcgr = 0x1900c,
|
|
.hid_width = 5,
|
|
.freq_tbl = ftbl_gcc_apps_clk,
|
|
.parent_map = gcc_xo_ddr_500_200_map,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "apps_clk_src",
|
|
.parent_names = gcc_xo_ddr_500_200,
|
|
.num_parents = 4,
|
|
.ops = &clk_rcg2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_gcc_apps_ahb_clk[] = {
|
|
F(48000000, P_XO, 1, 0, 0),
|
|
F(100000000, P_FEPLL200, 2, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 apps_ahb_clk_src = {
|
|
.cmd_rcgr = 0x19014,
|
|
.hid_width = 5,
|
|
.parent_map = gcc_xo_200_500_map,
|
|
.freq_tbl = ftbl_gcc_apps_ahb_clk,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "apps_ahb_clk_src",
|
|
.parent_names = gcc_xo_200_500,
|
|
.num_parents = 3,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_apss_ahb_clk = {
|
|
.halt_reg = 0x19004,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(14),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_apss_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"apps_ahb_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_blsp1_ahb_clk = {
|
|
.halt_reg = 0x1008,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(10),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_blsp1_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_dcd_xo_clk = {
|
|
.halt_reg = 0x2103c,
|
|
.clkr = {
|
|
.enable_reg = 0x2103c,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_dcd_xo_clk",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_boot_rom_ahb_clk = {
|
|
.halt_reg = 0x1300c,
|
|
.clkr = {
|
|
.enable_reg = 0x1300c,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_boot_rom_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_crypto_ahb_clk = {
|
|
.halt_reg = 0x16024,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_crypto_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_crypto_axi_clk = {
|
|
.halt_reg = 0x16020,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(1),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_crypto_axi_clk",
|
|
.parent_names = (const char *[]){
|
|
"fepll125",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_crypto_clk = {
|
|
.halt_reg = 0x1601c,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(2),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_crypto_clk",
|
|
.parent_names = (const char *[]){
|
|
"fepll125",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_ess_clk = {
|
|
.halt_reg = 0x12010,
|
|
.clkr = {
|
|
.enable_reg = 0x12010,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_ess_clk",
|
|
.parent_names = (const char *[]){
|
|
"fephy_125m_dly_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_imem_axi_clk = {
|
|
.halt_reg = 0xe004,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(17),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_imem_axi_clk",
|
|
.parent_names = (const char *[]){
|
|
"fepll200",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_imem_cfg_ahb_clk = {
|
|
.halt_reg = 0xe008,
|
|
.clkr = {
|
|
.enable_reg = 0xe008,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_imem_cfg_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_pcie_ahb_clk = {
|
|
.halt_reg = 0x1d00c,
|
|
.clkr = {
|
|
.enable_reg = 0x1d00c,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_pcie_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_pcie_axi_m_clk = {
|
|
.halt_reg = 0x1d004,
|
|
.clkr = {
|
|
.enable_reg = 0x1d004,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_pcie_axi_m_clk",
|
|
.parent_names = (const char *[]){
|
|
"fepll200",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_pcie_axi_s_clk = {
|
|
.halt_reg = 0x1d008,
|
|
.clkr = {
|
|
.enable_reg = 0x1d008,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_pcie_axi_s_clk",
|
|
.parent_names = (const char *[]){
|
|
"fepll200",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_prng_ahb_clk = {
|
|
.halt_reg = 0x13004,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(8),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_prng_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_qpic_ahb_clk = {
|
|
.halt_reg = 0x1c008,
|
|
.clkr = {
|
|
.enable_reg = 0x1c008,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_qpic_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_qpic_clk = {
|
|
.halt_reg = 0x1c004,
|
|
.clkr = {
|
|
.enable_reg = 0x1c004,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_qpic_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_sdcc1_ahb_clk = {
|
|
.halt_reg = 0x18010,
|
|
.clkr = {
|
|
.enable_reg = 0x18010,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_sdcc1_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_sdcc1_apps_clk = {
|
|
.halt_reg = 0x1800c,
|
|
.clkr = {
|
|
.enable_reg = 0x1800c,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_sdcc1_apps_clk",
|
|
.parent_names = (const char *[]){
|
|
"sdcc1_apps_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_tlmm_ahb_clk = {
|
|
.halt_reg = 0x5004,
|
|
.halt_check = BRANCH_HALT_VOTED,
|
|
.clkr = {
|
|
.enable_reg = 0x6000,
|
|
.enable_mask = BIT(5),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_tlmm_ahb_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_usb2_master_clk = {
|
|
.halt_reg = 0x1e00c,
|
|
.clkr = {
|
|
.enable_reg = 0x1e00c,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_usb2_master_clk",
|
|
.parent_names = (const char *[]){
|
|
"pcnoc_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_usb2_sleep_clk = {
|
|
.halt_reg = 0x1e010,
|
|
.clkr = {
|
|
.enable_reg = 0x1e010,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_usb2_sleep_clk",
|
|
.parent_names = (const char *[]){
|
|
"gcc_sleep_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_usb2_mock_utmi_clk = {
|
|
.halt_reg = 0x1e014,
|
|
.clkr = {
|
|
.enable_reg = 0x1e014,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_usb2_mock_utmi_clk",
|
|
.parent_names = (const char *[]){
|
|
"usb30_mock_utmi_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_gcc_usb30_mock_utmi_clk[] = {
|
|
F(2000000, P_FEPLL200, 10, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 usb30_mock_utmi_clk_src = {
|
|
.cmd_rcgr = 0x1e000,
|
|
.hid_width = 5,
|
|
.parent_map = gcc_xo_200_map,
|
|
.freq_tbl = ftbl_gcc_usb30_mock_utmi_clk,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "usb30_mock_utmi_clk_src",
|
|
.parent_names = gcc_xo_200,
|
|
.num_parents = 2,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_usb3_master_clk = {
|
|
.halt_reg = 0x1e028,
|
|
.clkr = {
|
|
.enable_reg = 0x1e028,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_usb3_master_clk",
|
|
.parent_names = (const char *[]){
|
|
"fepll125",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_usb3_sleep_clk = {
|
|
.halt_reg = 0x1e02C,
|
|
.clkr = {
|
|
.enable_reg = 0x1e02C,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_usb3_sleep_clk",
|
|
.parent_names = (const char *[]){
|
|
"gcc_sleep_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_usb3_mock_utmi_clk = {
|
|
.halt_reg = 0x1e030,
|
|
.clkr = {
|
|
.enable_reg = 0x1e030,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_usb3_mock_utmi_clk",
|
|
.parent_names = (const char *[]){
|
|
"usb30_mock_utmi_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_gcc_fephy_dly_clk[] = {
|
|
F(125000000, P_FEPLL125DLY, 1, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 fephy_125m_dly_clk_src = {
|
|
.cmd_rcgr = 0x12000,
|
|
.hid_width = 5,
|
|
.parent_map = gcc_xo_125_dly_map,
|
|
.freq_tbl = ftbl_gcc_fephy_dly_clk,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "fephy_125m_dly_clk_src",
|
|
.parent_names = gcc_xo_125_dly,
|
|
.num_parents = 2,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
|
|
static const struct freq_tbl ftbl_gcc_wcss2g_clk[] = {
|
|
F(48000000, P_XO, 1, 0, 0),
|
|
F(250000000, P_FEPLLWCSS2G, 1, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 wcss2g_clk_src = {
|
|
.cmd_rcgr = 0x1f000,
|
|
.hid_width = 5,
|
|
.freq_tbl = ftbl_gcc_wcss2g_clk,
|
|
.parent_map = gcc_xo_wcss2g_map,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "wcss2g_clk_src",
|
|
.parent_names = gcc_xo_wcss2g,
|
|
.num_parents = 2,
|
|
.ops = &clk_rcg2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_wcss2g_clk = {
|
|
.halt_reg = 0x1f00C,
|
|
.clkr = {
|
|
.enable_reg = 0x1f00C,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_wcss2g_clk",
|
|
.parent_names = (const char *[]){
|
|
"wcss2g_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_wcss2g_ref_clk = {
|
|
.halt_reg = 0x1f00C,
|
|
.clkr = {
|
|
.enable_reg = 0x1f00C,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_wcss2g_ref_clk",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_wcss2g_rtc_clk = {
|
|
.halt_reg = 0x1f010,
|
|
.clkr = {
|
|
.enable_reg = 0x1f010,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_wcss2g_rtc_clk",
|
|
.parent_names = (const char *[]){
|
|
"gcc_sleep_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_gcc_wcss5g_clk[] = {
|
|
F(48000000, P_XO, 1, 0, 0),
|
|
F(250000000, P_FEPLLWCSS5G, 1, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 wcss5g_clk_src = {
|
|
.cmd_rcgr = 0x20000,
|
|
.hid_width = 5,
|
|
.parent_map = gcc_xo_wcss5g_map,
|
|
.freq_tbl = ftbl_gcc_wcss5g_clk,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "wcss5g_clk_src",
|
|
.parent_names = gcc_xo_wcss5g,
|
|
.num_parents = 2,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_wcss5g_clk = {
|
|
.halt_reg = 0x2000c,
|
|
.clkr = {
|
|
.enable_reg = 0x2000c,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_wcss5g_clk",
|
|
.parent_names = (const char *[]){
|
|
"wcss5g_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_wcss5g_ref_clk = {
|
|
.halt_reg = 0x2000c,
|
|
.clkr = {
|
|
.enable_reg = 0x2000c,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_wcss5g_ref_clk",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_branch gcc_wcss5g_rtc_clk = {
|
|
.halt_reg = 0x20010,
|
|
.clkr = {
|
|
.enable_reg = 0x20010,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_wcss5g_rtc_clk",
|
|
.parent_names = (const char *[]){
|
|
"gcc_sleep_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT,
|
|
},
|
|
},
|
|
};
|
|
|
|
/* Calculates the VCO rate for FEPLL. */
|
|
static u64 clk_fepll_vco_calc_rate(struct clk_fepll *pll_div,
|
|
unsigned long parent_rate)
|
|
{
|
|
const struct clk_fepll_vco *pll_vco = pll_div->pll_vco;
|
|
u32 fdbkdiv, refclkdiv, cdiv;
|
|
u64 vco;
|
|
|
|
regmap_read(pll_div->cdiv.clkr.regmap, pll_vco->reg, &cdiv);
|
|
refclkdiv = (cdiv >> pll_vco->refclkdiv_shift) &
|
|
(BIT(pll_vco->refclkdiv_width) - 1);
|
|
fdbkdiv = (cdiv >> pll_vco->fdbkdiv_shift) &
|
|
(BIT(pll_vco->fdbkdiv_width) - 1);
|
|
|
|
vco = parent_rate / refclkdiv;
|
|
vco *= 2;
|
|
vco *= fdbkdiv;
|
|
|
|
return vco;
|
|
}
|
|
|
|
static const struct clk_fepll_vco gcc_apss_ddrpll_vco = {
|
|
.fdbkdiv_shift = 16,
|
|
.fdbkdiv_width = 8,
|
|
.refclkdiv_shift = 24,
|
|
.refclkdiv_width = 5,
|
|
.reg = 0x2e020,
|
|
};
|
|
|
|
static const struct clk_fepll_vco gcc_fepll_vco = {
|
|
.fdbkdiv_shift = 16,
|
|
.fdbkdiv_width = 8,
|
|
.refclkdiv_shift = 24,
|
|
.refclkdiv_width = 5,
|
|
.reg = 0x2f020,
|
|
};
|
|
|
|
/*
|
|
* Round rate function for APSS CPU PLL Clock divider.
|
|
* It looks up the frequency table and returns the next higher frequency
|
|
* supported in hardware.
|
|
*/
|
|
static long clk_cpu_div_round_rate(struct clk_hw *hw, unsigned long rate,
|
|
unsigned long *p_rate)
|
|
{
|
|
struct clk_fepll *pll = to_clk_fepll(hw);
|
|
struct clk_hw *p_hw;
|
|
const struct freq_tbl *f;
|
|
|
|
f = qcom_find_freq(pll->freq_tbl, rate);
|
|
if (!f)
|
|
return -EINVAL;
|
|
|
|
p_hw = clk_hw_get_parent_by_index(hw, f->src);
|
|
*p_rate = clk_hw_get_rate(p_hw);
|
|
|
|
return f->freq;
|
|
};
|
|
|
|
/*
|
|
* Clock set rate function for APSS CPU PLL Clock divider.
|
|
* It looks up the frequency table and updates the PLL divider to corresponding
|
|
* divider value.
|
|
*/
|
|
static int clk_cpu_div_set_rate(struct clk_hw *hw, unsigned long rate,
|
|
unsigned long parent_rate)
|
|
{
|
|
struct clk_fepll *pll = to_clk_fepll(hw);
|
|
const struct freq_tbl *f;
|
|
u32 mask;
|
|
int ret;
|
|
|
|
f = qcom_find_freq(pll->freq_tbl, rate);
|
|
if (!f)
|
|
return -EINVAL;
|
|
|
|
mask = (BIT(pll->cdiv.width) - 1) << pll->cdiv.shift;
|
|
ret = regmap_update_bits(pll->cdiv.clkr.regmap,
|
|
pll->cdiv.reg, mask,
|
|
f->pre_div << pll->cdiv.shift);
|
|
/*
|
|
* There is no status bit which can be checked for successful CPU
|
|
* divider update operation so using delay for the same.
|
|
*/
|
|
udelay(1);
|
|
|
|
return 0;
|
|
};
|
|
|
|
/*
|
|
* Clock frequency calculation function for APSS CPU PLL Clock divider.
|
|
* This clock divider is nonlinear so this function calculates the actual
|
|
* divider and returns the output frequency by dividing VCO Frequency
|
|
* with this actual divider value.
|
|
*/
|
|
static unsigned long
|
|
clk_cpu_div_recalc_rate(struct clk_hw *hw,
|
|
unsigned long parent_rate)
|
|
{
|
|
struct clk_fepll *pll = to_clk_fepll(hw);
|
|
u32 cdiv, pre_div;
|
|
u64 rate;
|
|
|
|
regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv);
|
|
cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1);
|
|
|
|
/*
|
|
* Some dividers have value in 0.5 fraction so multiply both VCO
|
|
* frequency(parent_rate) and pre_div with 2 to make integer
|
|
* calculation.
|
|
*/
|
|
if (cdiv > 10)
|
|
pre_div = (cdiv + 1) * 2;
|
|
else
|
|
pre_div = cdiv + 12;
|
|
|
|
rate = clk_fepll_vco_calc_rate(pll, parent_rate) * 2;
|
|
do_div(rate, pre_div);
|
|
|
|
return rate;
|
|
};
|
|
|
|
static const struct clk_ops clk_regmap_cpu_div_ops = {
|
|
.round_rate = clk_cpu_div_round_rate,
|
|
.set_rate = clk_cpu_div_set_rate,
|
|
.recalc_rate = clk_cpu_div_recalc_rate,
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_apss_ddr_pll[] = {
|
|
{ 384000000, P_XO, 0xd, 0, 0 },
|
|
{ 413000000, P_XO, 0xc, 0, 0 },
|
|
{ 448000000, P_XO, 0xb, 0, 0 },
|
|
{ 488000000, P_XO, 0xa, 0, 0 },
|
|
{ 512000000, P_XO, 0x9, 0, 0 },
|
|
{ 537000000, P_XO, 0x8, 0, 0 },
|
|
{ 565000000, P_XO, 0x7, 0, 0 },
|
|
{ 597000000, P_XO, 0x6, 0, 0 },
|
|
{ 632000000, P_XO, 0x5, 0, 0 },
|
|
{ 672000000, P_XO, 0x4, 0, 0 },
|
|
{ 716000000, P_XO, 0x3, 0, 0 },
|
|
{ 768000000, P_XO, 0x2, 0, 0 },
|
|
{ 823000000, P_XO, 0x1, 0, 0 },
|
|
{ 896000000, P_XO, 0x0, 0, 0 },
|
|
{ }
|
|
};
|
|
|
|
static struct clk_fepll gcc_apss_cpu_plldiv_clk = {
|
|
.cdiv.reg = 0x2e020,
|
|
.cdiv.shift = 4,
|
|
.cdiv.width = 4,
|
|
.cdiv.clkr = {
|
|
.enable_reg = 0x2e000,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "ddrpllapss",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_regmap_cpu_div_ops,
|
|
},
|
|
},
|
|
.freq_tbl = ftbl_apss_ddr_pll,
|
|
.pll_vco = &gcc_apss_ddrpll_vco,
|
|
};
|
|
|
|
/* Calculates the rate for PLL divider.
|
|
* If the divider value is not fixed then it gets the actual divider value
|
|
* from divider table. Then, it calculate the clock rate by dividing the
|
|
* parent rate with actual divider value.
|
|
*/
|
|
static unsigned long
|
|
clk_regmap_clk_div_recalc_rate(struct clk_hw *hw,
|
|
unsigned long parent_rate)
|
|
{
|
|
struct clk_fepll *pll = to_clk_fepll(hw);
|
|
u32 cdiv, pre_div = 1;
|
|
u64 rate;
|
|
const struct clk_div_table *clkt;
|
|
|
|
if (pll->fixed_div) {
|
|
pre_div = pll->fixed_div;
|
|
} else {
|
|
regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv);
|
|
cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1);
|
|
|
|
for (clkt = pll->div_table; clkt->div; clkt++) {
|
|
if (clkt->val == cdiv)
|
|
pre_div = clkt->div;
|
|
}
|
|
}
|
|
|
|
rate = clk_fepll_vco_calc_rate(pll, parent_rate);
|
|
do_div(rate, pre_div);
|
|
|
|
return rate;
|
|
};
|
|
|
|
static const struct clk_ops clk_fepll_div_ops = {
|
|
.recalc_rate = clk_regmap_clk_div_recalc_rate,
|
|
};
|
|
|
|
static struct clk_fepll gcc_apss_sdcc_clk = {
|
|
.fixed_div = 28,
|
|
.cdiv.clkr = {
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "ddrpllsdcc",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_fepll_div_ops,
|
|
},
|
|
},
|
|
.pll_vco = &gcc_apss_ddrpll_vco,
|
|
};
|
|
|
|
static struct clk_fepll gcc_fepll125_clk = {
|
|
.fixed_div = 32,
|
|
.cdiv.clkr = {
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "fepll125",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_fepll_div_ops,
|
|
},
|
|
},
|
|
.pll_vco = &gcc_fepll_vco,
|
|
};
|
|
|
|
static struct clk_fepll gcc_fepll125dly_clk = {
|
|
.fixed_div = 32,
|
|
.cdiv.clkr = {
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "fepll125dly",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_fepll_div_ops,
|
|
},
|
|
},
|
|
.pll_vco = &gcc_fepll_vco,
|
|
};
|
|
|
|
static struct clk_fepll gcc_fepll200_clk = {
|
|
.fixed_div = 20,
|
|
.cdiv.clkr = {
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "fepll200",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_fepll_div_ops,
|
|
},
|
|
},
|
|
.pll_vco = &gcc_fepll_vco,
|
|
};
|
|
|
|
static struct clk_fepll gcc_fepll500_clk = {
|
|
.fixed_div = 8,
|
|
.cdiv.clkr = {
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "fepll500",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_fepll_div_ops,
|
|
},
|
|
},
|
|
.pll_vco = &gcc_fepll_vco,
|
|
};
|
|
|
|
static const struct clk_div_table fepllwcss_clk_div_table[] = {
|
|
{ 0, 15 },
|
|
{ 1, 16 },
|
|
{ 2, 18 },
|
|
{ 3, 20 },
|
|
{ },
|
|
};
|
|
|
|
static struct clk_fepll gcc_fepllwcss2g_clk = {
|
|
.cdiv.reg = 0x2f020,
|
|
.cdiv.shift = 8,
|
|
.cdiv.width = 2,
|
|
.cdiv.clkr = {
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "fepllwcss2g",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_fepll_div_ops,
|
|
},
|
|
},
|
|
.div_table = fepllwcss_clk_div_table,
|
|
.pll_vco = &gcc_fepll_vco,
|
|
};
|
|
|
|
static struct clk_fepll gcc_fepllwcss5g_clk = {
|
|
.cdiv.reg = 0x2f020,
|
|
.cdiv.shift = 12,
|
|
.cdiv.width = 2,
|
|
.cdiv.clkr = {
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "fepllwcss5g",
|
|
.parent_names = (const char *[]){
|
|
"xo",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_fepll_div_ops,
|
|
},
|
|
},
|
|
.div_table = fepllwcss_clk_div_table,
|
|
.pll_vco = &gcc_fepll_vco,
|
|
};
|
|
|
|
static const struct freq_tbl ftbl_gcc_pcnoc_ahb_clk[] = {
|
|
F(48000000, P_XO, 1, 0, 0),
|
|
F(100000000, P_FEPLL200, 2, 0, 0),
|
|
{ }
|
|
};
|
|
|
|
static struct clk_rcg2 gcc_pcnoc_ahb_clk_src = {
|
|
.cmd_rcgr = 0x21024,
|
|
.hid_width = 5,
|
|
.parent_map = gcc_xo_200_500_map,
|
|
.freq_tbl = ftbl_gcc_pcnoc_ahb_clk,
|
|
.clkr.hw.init = &(struct clk_init_data){
|
|
.name = "gcc_pcnoc_ahb_clk_src",
|
|
.parent_names = gcc_xo_200_500,
|
|
.num_parents = 3,
|
|
.ops = &clk_rcg2_ops,
|
|
},
|
|
};
|
|
|
|
static struct clk_branch pcnoc_clk_src = {
|
|
.halt_reg = 0x21030,
|
|
.clkr = {
|
|
.enable_reg = 0x21030,
|
|
.enable_mask = BIT(0),
|
|
.hw.init = &(struct clk_init_data){
|
|
.name = "pcnoc_clk_src",
|
|
.parent_names = (const char *[]){
|
|
"gcc_pcnoc_ahb_clk_src",
|
|
},
|
|
.num_parents = 1,
|
|
.ops = &clk_branch2_ops,
|
|
.flags = CLK_SET_RATE_PARENT |
|
|
CLK_IS_CRITICAL,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct clk_regmap *gcc_ipq4019_clocks[] = {
|
|
[AUDIO_CLK_SRC] = &audio_clk_src.clkr,
|
|
[BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr,
|
|
[BLSP1_QUP1_SPI_APPS_CLK_SRC] = &blsp1_qup1_spi_apps_clk_src.clkr,
|
|
[BLSP1_QUP2_I2C_APPS_CLK_SRC] = &blsp1_qup2_i2c_apps_clk_src.clkr,
|
|
[BLSP1_QUP2_SPI_APPS_CLK_SRC] = &blsp1_qup2_spi_apps_clk_src.clkr,
|
|
[BLSP1_UART1_APPS_CLK_SRC] = &blsp1_uart1_apps_clk_src.clkr,
|
|
[BLSP1_UART2_APPS_CLK_SRC] = &blsp1_uart2_apps_clk_src.clkr,
|
|
[GCC_USB3_MOCK_UTMI_CLK_SRC] = &usb30_mock_utmi_clk_src.clkr,
|
|
[GCC_APPS_CLK_SRC] = &apps_clk_src.clkr,
|
|
[GCC_APPS_AHB_CLK_SRC] = &apps_ahb_clk_src.clkr,
|
|
[GP1_CLK_SRC] = &gp1_clk_src.clkr,
|
|
[GP2_CLK_SRC] = &gp2_clk_src.clkr,
|
|
[GP3_CLK_SRC] = &gp3_clk_src.clkr,
|
|
[SDCC1_APPS_CLK_SRC] = &sdcc1_apps_clk_src.clkr,
|
|
[FEPHY_125M_DLY_CLK_SRC] = &fephy_125m_dly_clk_src.clkr,
|
|
[WCSS2G_CLK_SRC] = &wcss2g_clk_src.clkr,
|
|
[WCSS5G_CLK_SRC] = &wcss5g_clk_src.clkr,
|
|
[GCC_APSS_AHB_CLK] = &gcc_apss_ahb_clk.clkr,
|
|
[GCC_AUDIO_AHB_CLK] = &gcc_audio_ahb_clk.clkr,
|
|
[GCC_AUDIO_PWM_CLK] = &gcc_audio_pwm_clk.clkr,
|
|
[GCC_BLSP1_AHB_CLK] = &gcc_blsp1_ahb_clk.clkr,
|
|
[GCC_BLSP1_QUP1_I2C_APPS_CLK] = &gcc_blsp1_qup1_i2c_apps_clk.clkr,
|
|
[GCC_BLSP1_QUP1_SPI_APPS_CLK] = &gcc_blsp1_qup1_spi_apps_clk.clkr,
|
|
[GCC_BLSP1_QUP2_I2C_APPS_CLK] = &gcc_blsp1_qup2_i2c_apps_clk.clkr,
|
|
[GCC_BLSP1_QUP2_SPI_APPS_CLK] = &gcc_blsp1_qup2_spi_apps_clk.clkr,
|
|
[GCC_BLSP1_UART1_APPS_CLK] = &gcc_blsp1_uart1_apps_clk.clkr,
|
|
[GCC_BLSP1_UART2_APPS_CLK] = &gcc_blsp1_uart2_apps_clk.clkr,
|
|
[GCC_DCD_XO_CLK] = &gcc_dcd_xo_clk.clkr,
|
|
[GCC_GP1_CLK] = &gcc_gp1_clk.clkr,
|
|
[GCC_GP2_CLK] = &gcc_gp2_clk.clkr,
|
|
[GCC_GP3_CLK] = &gcc_gp3_clk.clkr,
|
|
[GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr,
|
|
[GCC_CRYPTO_AHB_CLK] = &gcc_crypto_ahb_clk.clkr,
|
|
[GCC_CRYPTO_AXI_CLK] = &gcc_crypto_axi_clk.clkr,
|
|
[GCC_CRYPTO_CLK] = &gcc_crypto_clk.clkr,
|
|
[GCC_ESS_CLK] = &gcc_ess_clk.clkr,
|
|
[GCC_IMEM_AXI_CLK] = &gcc_imem_axi_clk.clkr,
|
|
[GCC_IMEM_CFG_AHB_CLK] = &gcc_imem_cfg_ahb_clk.clkr,
|
|
[GCC_PCIE_AHB_CLK] = &gcc_pcie_ahb_clk.clkr,
|
|
[GCC_PCIE_AXI_M_CLK] = &gcc_pcie_axi_m_clk.clkr,
|
|
[GCC_PCIE_AXI_S_CLK] = &gcc_pcie_axi_s_clk.clkr,
|
|
[GCC_PRNG_AHB_CLK] = &gcc_prng_ahb_clk.clkr,
|
|
[GCC_QPIC_AHB_CLK] = &gcc_qpic_ahb_clk.clkr,
|
|
[GCC_QPIC_CLK] = &gcc_qpic_clk.clkr,
|
|
[GCC_SDCC1_AHB_CLK] = &gcc_sdcc1_ahb_clk.clkr,
|
|
[GCC_SDCC1_APPS_CLK] = &gcc_sdcc1_apps_clk.clkr,
|
|
[GCC_TLMM_AHB_CLK] = &gcc_tlmm_ahb_clk.clkr,
|
|
[GCC_USB2_MASTER_CLK] = &gcc_usb2_master_clk.clkr,
|
|
[GCC_USB2_SLEEP_CLK] = &gcc_usb2_sleep_clk.clkr,
|
|
[GCC_USB2_MOCK_UTMI_CLK] = &gcc_usb2_mock_utmi_clk.clkr,
|
|
[GCC_USB3_MASTER_CLK] = &gcc_usb3_master_clk.clkr,
|
|
[GCC_USB3_SLEEP_CLK] = &gcc_usb3_sleep_clk.clkr,
|
|
[GCC_USB3_MOCK_UTMI_CLK] = &gcc_usb3_mock_utmi_clk.clkr,
|
|
[GCC_WCSS2G_CLK] = &gcc_wcss2g_clk.clkr,
|
|
[GCC_WCSS2G_REF_CLK] = &gcc_wcss2g_ref_clk.clkr,
|
|
[GCC_WCSS2G_RTC_CLK] = &gcc_wcss2g_rtc_clk.clkr,
|
|
[GCC_WCSS5G_CLK] = &gcc_wcss5g_clk.clkr,
|
|
[GCC_WCSS5G_REF_CLK] = &gcc_wcss5g_ref_clk.clkr,
|
|
[GCC_WCSS5G_RTC_CLK] = &gcc_wcss5g_rtc_clk.clkr,
|
|
[GCC_SDCC_PLLDIV_CLK] = &gcc_apss_sdcc_clk.cdiv.clkr,
|
|
[GCC_FEPLL125_CLK] = &gcc_fepll125_clk.cdiv.clkr,
|
|
[GCC_FEPLL125DLY_CLK] = &gcc_fepll125dly_clk.cdiv.clkr,
|
|
[GCC_FEPLL200_CLK] = &gcc_fepll200_clk.cdiv.clkr,
|
|
[GCC_FEPLL500_CLK] = &gcc_fepll500_clk.cdiv.clkr,
|
|
[GCC_FEPLL_WCSS2G_CLK] = &gcc_fepllwcss2g_clk.cdiv.clkr,
|
|
[GCC_FEPLL_WCSS5G_CLK] = &gcc_fepllwcss5g_clk.cdiv.clkr,
|
|
[GCC_APSS_CPU_PLLDIV_CLK] = &gcc_apss_cpu_plldiv_clk.cdiv.clkr,
|
|
[GCC_PCNOC_AHB_CLK_SRC] = &gcc_pcnoc_ahb_clk_src.clkr,
|
|
[GCC_PCNOC_AHB_CLK] = &pcnoc_clk_src.clkr,
|
|
};
|
|
|
|
static const struct qcom_reset_map gcc_ipq4019_resets[] = {
|
|
[WIFI0_CPU_INIT_RESET] = { 0x1f008, 5 },
|
|
[WIFI0_RADIO_SRIF_RESET] = { 0x1f008, 4 },
|
|
[WIFI0_RADIO_WARM_RESET] = { 0x1f008, 3 },
|
|
[WIFI0_RADIO_COLD_RESET] = { 0x1f008, 2 },
|
|
[WIFI0_CORE_WARM_RESET] = { 0x1f008, 1 },
|
|
[WIFI0_CORE_COLD_RESET] = { 0x1f008, 0 },
|
|
[WIFI1_CPU_INIT_RESET] = { 0x20008, 5 },
|
|
[WIFI1_RADIO_SRIF_RESET] = { 0x20008, 4 },
|
|
[WIFI1_RADIO_WARM_RESET] = { 0x20008, 3 },
|
|
[WIFI1_RADIO_COLD_RESET] = { 0x20008, 2 },
|
|
[WIFI1_CORE_WARM_RESET] = { 0x20008, 1 },
|
|
[WIFI1_CORE_COLD_RESET] = { 0x20008, 0 },
|
|
[USB3_UNIPHY_PHY_ARES] = { 0x1e038, 5 },
|
|
[USB3_HSPHY_POR_ARES] = { 0x1e038, 4 },
|
|
[USB3_HSPHY_S_ARES] = { 0x1e038, 2 },
|
|
[USB2_HSPHY_POR_ARES] = { 0x1e01c, 4 },
|
|
[USB2_HSPHY_S_ARES] = { 0x1e01c, 2 },
|
|
[PCIE_PHY_AHB_ARES] = { 0x1d010, 11 },
|
|
[PCIE_AHB_ARES] = { 0x1d010, 10 },
|
|
[PCIE_PWR_ARES] = { 0x1d010, 9 },
|
|
[PCIE_PIPE_STICKY_ARES] = { 0x1d010, 8 },
|
|
[PCIE_AXI_M_STICKY_ARES] = { 0x1d010, 7 },
|
|
[PCIE_PHY_ARES] = { 0x1d010, 6 },
|
|
[PCIE_PARF_XPU_ARES] = { 0x1d010, 5 },
|
|
[PCIE_AXI_S_XPU_ARES] = { 0x1d010, 4 },
|
|
[PCIE_AXI_M_VMIDMT_ARES] = { 0x1d010, 3 },
|
|
[PCIE_PIPE_ARES] = { 0x1d010, 2 },
|
|
[PCIE_AXI_S_ARES] = { 0x1d010, 1 },
|
|
[PCIE_AXI_M_ARES] = { 0x1d010, 0 },
|
|
[ESS_RESET] = { 0x12008, 0},
|
|
[GCC_BLSP1_BCR] = {0x01000, 0},
|
|
[GCC_BLSP1_QUP1_BCR] = {0x02000, 0},
|
|
[GCC_BLSP1_UART1_BCR] = {0x02038, 0},
|
|
[GCC_BLSP1_QUP2_BCR] = {0x03008, 0},
|
|
[GCC_BLSP1_UART2_BCR] = {0x03028, 0},
|
|
[GCC_BIMC_BCR] = {0x04000, 0},
|
|
[GCC_TLMM_BCR] = {0x05000, 0},
|
|
[GCC_IMEM_BCR] = {0x0E000, 0},
|
|
[GCC_ESS_BCR] = {0x12008, 0},
|
|
[GCC_PRNG_BCR] = {0x13000, 0},
|
|
[GCC_BOOT_ROM_BCR] = {0x13008, 0},
|
|
[GCC_CRYPTO_BCR] = {0x16000, 0},
|
|
[GCC_SDCC1_BCR] = {0x18000, 0},
|
|
[GCC_SEC_CTRL_BCR] = {0x1A000, 0},
|
|
[GCC_AUDIO_BCR] = {0x1B008, 0},
|
|
[GCC_QPIC_BCR] = {0x1C000, 0},
|
|
[GCC_PCIE_BCR] = {0x1D000, 0},
|
|
[GCC_USB2_BCR] = {0x1E008, 0},
|
|
[GCC_USB2_PHY_BCR] = {0x1E018, 0},
|
|
[GCC_USB3_BCR] = {0x1E024, 0},
|
|
[GCC_USB3_PHY_BCR] = {0x1E034, 0},
|
|
[GCC_SYSTEM_NOC_BCR] = {0x21000, 0},
|
|
[GCC_PCNOC_BCR] = {0x2102C, 0},
|
|
[GCC_DCD_BCR] = {0x21038, 0},
|
|
[GCC_SNOC_BUS_TIMEOUT0_BCR] = {0x21064, 0},
|
|
[GCC_SNOC_BUS_TIMEOUT1_BCR] = {0x2106C, 0},
|
|
[GCC_SNOC_BUS_TIMEOUT2_BCR] = {0x21074, 0},
|
|
[GCC_SNOC_BUS_TIMEOUT3_BCR] = {0x2107C, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT0_BCR] = {0x21084, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT1_BCR] = {0x2108C, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT2_BCR] = {0x21094, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT3_BCR] = {0x2109C, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT4_BCR] = {0x210A4, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT5_BCR] = {0x210AC, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT6_BCR] = {0x210B4, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT7_BCR] = {0x210BC, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT8_BCR] = {0x210C4, 0},
|
|
[GCC_PCNOC_BUS_TIMEOUT9_BCR] = {0x210CC, 0},
|
|
[GCC_TCSR_BCR] = {0x22000, 0},
|
|
[GCC_MPM_BCR] = {0x24000, 0},
|
|
[GCC_SPDM_BCR] = {0x25000, 0},
|
|
};
|
|
|
|
static const struct regmap_config gcc_ipq4019_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = 0x2ffff,
|
|
.fast_io = true,
|
|
};
|
|
|
|
static const struct qcom_cc_desc gcc_ipq4019_desc = {
|
|
.config = &gcc_ipq4019_regmap_config,
|
|
.clks = gcc_ipq4019_clocks,
|
|
.num_clks = ARRAY_SIZE(gcc_ipq4019_clocks),
|
|
.resets = gcc_ipq4019_resets,
|
|
.num_resets = ARRAY_SIZE(gcc_ipq4019_resets),
|
|
};
|
|
|
|
static const struct of_device_id gcc_ipq4019_match_table[] = {
|
|
{ .compatible = "qcom,gcc-ipq4019" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, gcc_ipq4019_match_table);
|
|
|
|
static int
|
|
gcc_ipq4019_cpu_clk_notifier_fn(struct notifier_block *nb,
|
|
unsigned long action, void *data)
|
|
{
|
|
int err = 0;
|
|
|
|
if (action == PRE_RATE_CHANGE)
|
|
err = clk_rcg2_ops.set_parent(&apps_clk_src.clkr.hw,
|
|
gcc_ipq4019_cpu_safe_parent);
|
|
|
|
return notifier_from_errno(err);
|
|
}
|
|
|
|
static struct notifier_block gcc_ipq4019_cpu_clk_notifier = {
|
|
.notifier_call = gcc_ipq4019_cpu_clk_notifier_fn,
|
|
};
|
|
|
|
static int gcc_ipq4019_probe(struct platform_device *pdev)
|
|
{
|
|
int err;
|
|
|
|
err = qcom_cc_probe(pdev, &gcc_ipq4019_desc);
|
|
if (err)
|
|
return err;
|
|
|
|
return clk_notifier_register(apps_clk_src.clkr.hw.clk,
|
|
&gcc_ipq4019_cpu_clk_notifier);
|
|
}
|
|
|
|
static int gcc_ipq4019_remove(struct platform_device *pdev)
|
|
{
|
|
return clk_notifier_unregister(apps_clk_src.clkr.hw.clk,
|
|
&gcc_ipq4019_cpu_clk_notifier);
|
|
}
|
|
|
|
static struct platform_driver gcc_ipq4019_driver = {
|
|
.probe = gcc_ipq4019_probe,
|
|
.remove = gcc_ipq4019_remove,
|
|
.driver = {
|
|
.name = "qcom,gcc-ipq4019",
|
|
.of_match_table = gcc_ipq4019_match_table,
|
|
},
|
|
};
|
|
|
|
static int __init gcc_ipq4019_init(void)
|
|
{
|
|
return platform_driver_register(&gcc_ipq4019_driver);
|
|
}
|
|
core_initcall(gcc_ipq4019_init);
|
|
|
|
static void __exit gcc_ipq4019_exit(void)
|
|
{
|
|
platform_driver_unregister(&gcc_ipq4019_driver);
|
|
}
|
|
module_exit(gcc_ipq4019_exit);
|
|
|
|
MODULE_ALIAS("platform:gcc-ipq4019");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_DESCRIPTION("QCOM GCC IPQ4019 driver");
|