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Allwinner clock changes for 4.10 

The usual patches from us, but most notably the introduction of the A64
 clocks unit.
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Merge tag 'sunxi-clk-for-4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next

Pull Allwinner clock changes from Maxime Ripard:

The usual patches from us, but most notably the introduction of the A64
clocks unit.

* tag 'sunxi-clk-for-4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  clk: sunxi-ng: sun8i-h3: Set CLK_SET_RATE_PARENT for audio module clocks
  clk: sunxi-ng: sun8i-a23: Set CLK_SET_RATE_PARENT for audio module clocks
  clk: sunxi-ng: Add A64 clocks
  clk: sunxi-ng: Implement minimum for multipliers
  clk: sunxi-ng: Add minimums for all the relevant structures and clocks
  clk: sunxi-ng: Finish to convert to structures for arguments
  clk: sunxi-ng: Remove the use of rational computations
  clk: sunxi-ng: Rename the internal structures
  clk: sunxi: mod0: improve function-level documentation
zero-colors
Stephen Boyd 2016-11-16 11:19:20 -08:00
parent c284a7ba72 0f6f9302b8
commit 38320181c7
24 changed files with 1429 additions and 125 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/clock/sunxi-ccu.txt
View File

@ -7,6 +7,7 @@ Required properties :
- "allwinner,sun8i-a23-ccu"
- "allwinner,sun8i-a33-ccu"
- "allwinner,sun8i-h3-ccu"
- "allwinner,sun50i-a64-ccu"
- reg: Must contain the registers base address and length
- clocks: phandle to the oscillators feeding the CCU. Two are needed:

14
drivers/clk/sunxi-ng/Kconfig
View File

@ -35,17 +35,14 @@ config SUNXI_CCU_NK
config SUNXI_CCU_NKM
bool
select RATIONAL
select SUNXI_CCU_GATE
config SUNXI_CCU_NKMP
bool
select RATIONAL
select SUNXI_CCU_GATE
config SUNXI_CCU_NM
bool
select RATIONAL
select SUNXI_CCU_FRAC
select SUNXI_CCU_GATE
@ -56,6 +53,17 @@ config SUNXI_CCU_MP
# SoC Drivers
config SUN50I_A64_CCU
bool "Support for the Allwinner A64 CCU"
select SUNXI_CCU_DIV
select SUNXI_CCU_NK
select SUNXI_CCU_NKM
select SUNXI_CCU_NKMP
select SUNXI_CCU_NM
select SUNXI_CCU_MP
select SUNXI_CCU_PHASE
default ARM64 && ARCH_SUNXI
config SUN6I_A31_CCU
bool "Support for the Allwinner A31/A31s CCU"
select SUNXI_CCU_DIV

1
drivers/clk/sunxi-ng/Makefile
View File

@ -18,6 +18,7 @@ obj-$(CONFIG_SUNXI_CCU_NM) += ccu_nm.o
obj-$(CONFIG_SUNXI_CCU_MP) += ccu_mp.o
# SoC support
obj-$(CONFIG_SUN50I_A64_CCU) += ccu-sun50i-a64.o
obj-$(CONFIG_SUN6I_A31_CCU) += ccu-sun6i-a31.o
obj-$(CONFIG_SUN8I_A23_CCU) += ccu-sun8i-a23.o
obj-$(CONFIG_SUN8I_A33_CCU) += ccu-sun8i-a33.o

915
drivers/clk/sunxi-ng/ccu-sun50i-a64.c 100644
View File

@ -0,0 +1,915 @@
/*
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/clk-provider.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
#include "ccu_reset.h"
#include "ccu_div.h"
#include "ccu_gate.h"
#include "ccu_mp.h"
#include "ccu_mult.h"
#include "ccu_nk.h"
#include "ccu_nkm.h"
#include "ccu_nkmp.h"
#include "ccu_nm.h"
#include "ccu_phase.h"
#include "ccu-sun50i-a64.h"
static struct ccu_nkmp pll_cpux_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 5),
.k = _SUNXI_CCU_MULT(4, 2),
.m = _SUNXI_CCU_DIV(0, 2),
.p = _SUNXI_CCU_DIV_MAX(16, 2, 4),
.common = {
.reg = 0x000,
.hw.init = CLK_HW_INIT("pll-cpux",
"osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
/*
* The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
* the base (2x, 4x and 8x), and one variable divider (the one true
* pll audio).
*
* We don't have any need for the variable divider for now, so we just
* hardcode it to match with the clock names
*/
#define SUN50I_A64_PLL_AUDIO_REG 0x008
static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
"osc24M", 0x008,
8, 7, /* N */
0, 5, /* M */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video0_clk, "pll-video0",
"osc24M", 0x010,
8, 7, /* N */
0, 4, /* M */
BIT(24), /* frac enable */
BIT(25), /* frac select */
270000000, /* frac rate 0 */
297000000, /* frac rate 1 */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
"osc24M", 0x018,
8, 7, /* N */
0, 4, /* M */
BIT(24), /* frac enable */
BIT(25), /* frac select */
270000000, /* frac rate 0 */
297000000, /* frac rate 1 */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0",
"osc24M", 0x020,
8, 5, /* N */
4, 2, /* K */
0, 2, /* M */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static struct ccu_nk pll_periph0_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 5),
.k = _SUNXI_CCU_MULT_MIN(4, 2, 2),
.fixed_post_div = 2,
.common = {
.reg = 0x028,
.features = CCU_FEATURE_FIXED_POSTDIV,
.hw.init = CLK_HW_INIT("pll-periph0", "osc24M",
&ccu_nk_ops, CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nk pll_periph1_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 5),
.k = _SUNXI_CCU_MULT_MIN(4, 2, 2),
.fixed_post_div = 2,
.common = {
.reg = 0x02c,
.features = CCU_FEATURE_FIXED_POSTDIV,
.hw.init = CLK_HW_INIT("pll-periph1", "osc24M",
&ccu_nk_ops, CLK_SET_RATE_UNGATE),
},
};
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video1_clk, "pll-video1",
"osc24M", 0x030,
8, 7, /* N */
0, 4, /* M */
BIT(24), /* frac enable */
BIT(25), /* frac select */
270000000, /* frac rate 0 */
297000000, /* frac rate 1 */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
"osc24M", 0x038,
8, 7, /* N */
0, 4, /* M */
BIT(24), /* frac enable */
BIT(25), /* frac select */
270000000, /* frac rate 0 */
297000000, /* frac rate 1 */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
/*
* The output function can be changed to something more complex that
* we do not handle yet.
*
* Hardcode the mode so that we don't fall in that case.
*/
#define SUN50I_A64_PLL_MIPI_REG 0x040
struct ccu_nkm pll_mipi_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 4),
.k = _SUNXI_CCU_MULT_MIN(4, 2, 2),
.m = _SUNXI_CCU_DIV(0, 4),
.common = {
.reg = 0x040,
.hw.init = CLK_HW_INIT("pll-mipi", "pll-video0",
&ccu_nkm_ops, CLK_SET_RATE_UNGATE),
},
};
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic",
"osc24M", 0x044,
8, 7, /* N */
0, 4, /* M */
BIT(24), /* frac enable */
BIT(25), /* frac select */
270000000, /* frac rate 0 */
297000000, /* frac rate 1 */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
"osc24M", 0x048,
8, 7, /* N */
0, 4, /* M */
BIT(24), /* frac enable */
BIT(25), /* frac select */
270000000, /* frac rate 0 */
297000000, /* frac rate 1 */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_ddr1_clk, "pll-ddr1",
"osc24M", 0x04c,
8, 7, /* N */
0, 2, /* M */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static const char * const cpux_parents[] = { "osc32k", "osc24M",
"pll-cpux" , "pll-cpux" };
static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
0x050, 16, 2, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
static const char * const ahb1_parents[] = { "osc32k", "osc24M",
"axi" , "pll-periph0" };
static struct ccu_div ahb1_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = {
.shift = 12,
.width = 2,
.variable_prediv = {
.index = 3,
.shift = 6,
.width = 2,
},
},
.common = {
.reg = 0x054,
.features = CCU_FEATURE_VARIABLE_PREDIV,
.hw.init = CLK_HW_INIT_PARENTS("ahb1",
ahb1_parents,
&ccu_div_ops,
0),
},
};
static struct clk_div_table apb1_div_table[] = {
{ .val = 0, .div = 2 },
{ .val = 1, .div = 2 },
{ .val = 2, .div = 4 },
{ .val = 3, .div = 8 },
{ /* Sentinel */ },
};
static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
0x054, 8, 2, apb1_div_table, 0);
static const char * const apb2_parents[] = { "osc32k", "osc24M",
"pll-periph0-2x" ,
"pll-periph0-2x" };
static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
0, 5, /* M */
16, 2, /* P */
24, 2, /* mux */
0);
static const char * const ahb2_parents[] = { "ahb1" , "pll-periph0" };
static const struct ccu_mux_fixed_prediv ahb2_fixed_predivs[] = {
{ .index = 1, .div = 2 },
};
static struct ccu_mux ahb2_clk = {
.mux = {
.shift = 0,
.width = 1,
.fixed_predivs = ahb2_fixed_predivs,
.n_predivs = ARRAY_SIZE(ahb2_fixed_predivs),
},
.common = {
.reg = 0x05c,
.features = CCU_FEATURE_FIXED_PREDIV,
.hw.init = CLK_HW_INIT_PARENTS("ahb2",
ahb2_parents,
&ccu_mux_ops,
0),
},
};
static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
0x060, BIT(1), 0);
static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "ahb1",
0x060, BIT(5), 0);
static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
0x060, BIT(6), 0);
static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1",
0x060, BIT(8), 0);
static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1",
0x060, BIT(9), 0);
static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1",
0x060, BIT(10), 0);
static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1",
0x060, BIT(13), 0);
static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1",
0x060, BIT(14), 0);
static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb2",
0x060, BIT(17), 0);
static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb1",
0x060, BIT(18), 0);
static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
0x060, BIT(19), 0);
static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1",
0x060, BIT(20), 0);
static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1",
0x060, BIT(21), 0);
static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
0x060, BIT(23), 0);
static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb1",
0x060, BIT(24), 0);
static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb2",
0x060, BIT(25), 0);
static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb1",
0x060, BIT(28), 0);
static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb2",
0x060, BIT(29), 0);
static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
0x064, BIT(0), 0);
static SUNXI_CCU_GATE(bus_tcon0_clk, "bus-tcon0", "ahb1",
0x064, BIT(3), 0);
static SUNXI_CCU_GATE(bus_tcon1_clk, "bus-tcon1", "ahb1",
0x064, BIT(4), 0);
static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace", "ahb1",
0x064, BIT(5), 0);
static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1",
0x064, BIT(8), 0);
static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb1",
0x064, BIT(11), 0);
static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb1",
0x064, BIT(12), 0);
static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1",
0x064, BIT(20), 0);
static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
0x064, BIT(21), 0);
static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
0x064, BIT(22), 0);
static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1",
0x068, BIT(0), 0);
static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1",
0x068, BIT(1), 0);
static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1",
0x068, BIT(5), 0);
static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1",
0x068, BIT(8), 0);
static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1",
0x068, BIT(12), 0);
static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1",
0x068, BIT(13), 0);
static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1",
0x068, BIT(14), 0);
static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2",
0x06c, BIT(0), 0);
static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2",
0x06c, BIT(1), 0);
static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2",
0x06c, BIT(2), 0);
static SUNXI_CCU_GATE(bus_scr_clk, "bus-scr", "apb2",
0x06c, BIT(5), 0);
static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2",
0x06c, BIT(16), 0);
static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2",
0x06c, BIT(17), 0);
static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2",
0x06c, BIT(18), 0);
static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2",
0x06c, BIT(19), 0);
static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2",
0x06c, BIT(20), 0);
static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "ahb1",
0x070, BIT(7), 0);
static struct clk_div_table ths_div_table[] = {
{ .val = 0, .div = 1 },
{ .val = 1, .div = 2 },
{ .val = 2, .div = 4 },
{ .val = 3, .div = 6 },
};
static const char * const ths_parents[] = { "osc24M" };
static struct ccu_div ths_clk = {
.enable = BIT(31),
.div = _SUNXI_CCU_DIV_TABLE(0, 2, ths_div_table),
.mux = _SUNXI_CCU_MUX(24, 2),
.common = {
.reg = 0x074,
.hw.init = CLK_HW_INIT_PARENTS("ths",
ths_parents,
&ccu_div_ops,
0),
},
};
static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0",
"pll-periph1" };
static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static const char * const mmc_default_parents[] = { "osc24M", "pll-periph0-2x",
"pll-periph1-2x" };
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mmc_default_parents, 0x088,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mmc_default_parents, 0x08c,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mmc_default_parents, 0x090,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static const char * const ts_parents[] = { "osc24M", "pll-periph0", };
static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", mmc_default_parents, 0x09c,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
"pll-audio-2x", "pll-audio" };
static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
0x0c0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
0x0cc, BIT(8), 0);
static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M",
0x0cc, BIT(9), 0);
static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic",
0x0cc, BIT(10), 0);
static SUNXI_CCU_GATE(usb_hsic_12m_clk, "usb-hsic-12M", "osc12M",
0x0cc, BIT(11), 0);
static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M",
0x0cc, BIT(16), 0);
static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "usb-ohci0",
0x0cc, BIT(17), 0);
static const char * const dram_parents[] = { "pll-ddr0", "pll-ddr1" };
static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents,
0x0f4, 0, 4, 20, 2, CLK_IS_CRITICAL);
static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram",
0x100, BIT(0), 0);
static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram",
0x100, BIT(1), 0);
static SUNXI_CCU_GATE(dram_deinterlace_clk, "dram-deinterlace", "dram",
0x100, BIT(2), 0);
static SUNXI_CCU_GATE(dram_ts_clk, "dram-ts", "dram",
0x100, BIT(3), 0);
static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
0x104, 0, 4, 24, 3, BIT(31), 0);
static const char * const tcon0_parents[] = { "pll-mipi", "pll-video0-2x" };
static const u8 tcon0_table[] = { 0, 2, };
static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon0_clk, "tcon0", tcon0_parents,
tcon0_table, 0x118, 24, 3, BIT(31),
CLK_SET_RATE_PARENT);
static const char * const tcon1_parents[] = { "pll-video0", "pll-video1" };
static const u8 tcon1_table[] = { 0, 2, };
struct ccu_div tcon1_clk = {
.enable = BIT(31),
.div = _SUNXI_CCU_DIV(0, 4),
.mux = _SUNXI_CCU_MUX_TABLE(24, 2, tcon1_table),
.common = {
.reg = 0x11c,
.hw.init = CLK_HW_INIT_PARENTS("tcon1",
tcon1_parents,
&ccu_div_ops,
CLK_SET_RATE_PARENT),
},
};
static const char * const deinterlace_parents[] = { "pll-periph0", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", deinterlace_parents,
0x124, 0, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M",
0x130, BIT(31), 0);
static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
0x134, 16, 4, 24, 3, BIT(31), 0);
static const char * const csi_mclk_parents[] = { "osc24M", "pll-video1", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_mclk_clk, "csi-mclk", csi_mclk_parents,
0x134, 0, 5, 8, 3, BIT(15), 0);
static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
0x13c, 16, 3, BIT(31), 0);
static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
0x140, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x",
0x140, BIT(30), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
0x144, BIT(31), 0);
static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M",
0x154, BIT(31), 0);
static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x",
"pll-ddr0", "pll-ddr1" };
static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
static const char * const dsi_dphy_parents[] = { "pll-video0", "pll-periph0" };
static const u8 dsi_dphy_table[] = { 0, 2, };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
dsi_dphy_parents, dsi_dphy_table,
0x168, 0, 4, 8, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);
/* Fixed Factor clocks */
static CLK_FIXED_FACTOR(osc12M_clk, "osc12M", "osc24M", 1, 2, 0);
/* We hardcode the divider to 4 for now */
static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio",
"pll-audio-base", 4, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x",
"pll-audio-base", 2, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x",
"pll-audio-base", 1, 1, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_audio_8x_clk, "pll-audio-8x",
"pll-audio-base", 1, 2, CLK_SET_RATE_PARENT);
static CLK_FIXED_FACTOR(pll_periph0_2x_clk, "pll-periph0-2x",
"pll-periph0", 1, 2, 0);
static CLK_FIXED_FACTOR(pll_periph1_2x_clk, "pll-periph1-2x",
"pll-periph1", 1, 2, 0);
static CLK_FIXED_FACTOR(pll_video0_2x_clk, "pll-video0-2x",
"pll-video0", 1, 2, CLK_SET_RATE_PARENT);
static struct ccu_common *sun50i_a64_ccu_clks[] = {
&pll_cpux_clk.common,
&pll_audio_base_clk.common,
&pll_video0_clk.common,
&pll_ve_clk.common,
&pll_ddr0_clk.common,
&pll_periph0_clk.common,
&pll_periph1_clk.common,
&pll_video1_clk.common,
&pll_gpu_clk.common,
&pll_mipi_clk.common,
&pll_hsic_clk.common,
&pll_de_clk.common,
&pll_ddr1_clk.common,
&cpux_clk.common,
&axi_clk.common,
&ahb1_clk.common,
&apb1_clk.common,
&apb2_clk.common,
&ahb2_clk.common,
&bus_mipi_dsi_clk.common,
&bus_ce_clk.common,
&bus_dma_clk.common,
&bus_mmc0_clk.common,
&bus_mmc1_clk.common,
&bus_mmc2_clk.common,
&bus_nand_clk.common,
&bus_dram_clk.common,
&bus_emac_clk.common,
&bus_ts_clk.common,
&bus_hstimer_clk.common,
&bus_spi0_clk.common,
&bus_spi1_clk.common,
&bus_otg_clk.common,
&bus_ehci0_clk.common,
&bus_ehci1_clk.common,
&bus_ohci0_clk.common,
&bus_ohci1_clk.common,
&bus_ve_clk.common,
&bus_tcon0_clk.common,
&bus_tcon1_clk.common,
&bus_deinterlace_clk.common,
&bus_csi_clk.common,
&bus_hdmi_clk.common,
&bus_de_clk.common,
&bus_gpu_clk.common,
&bus_msgbox_clk.common,
&bus_spinlock_clk.common,
&bus_codec_clk.common,
&bus_spdif_clk.common,
&bus_pio_clk.common,
&bus_ths_clk.common,
&bus_i2s0_clk.common,
&bus_i2s1_clk.common,
&bus_i2s2_clk.common,
&bus_i2c0_clk.common,
&bus_i2c1_clk.common,
&bus_i2c2_clk.common,
&bus_scr_clk.common,
&bus_uart0_clk.common,
&bus_uart1_clk.common,
&bus_uart2_clk.common,
&bus_uart3_clk.common,
&bus_uart4_clk.common,
&bus_dbg_clk.common,
&ths_clk.common,
&nand_clk.common,
&mmc0_clk.common,
&mmc1_clk.common,
&mmc2_clk.common,
&ts_clk.common,
&ce_clk.common,
&spi0_clk.common,
&spi1_clk.common,
&i2s0_clk.common,
&i2s1_clk.common,
&i2s2_clk.common,
&spdif_clk.common,
&usb_phy0_clk.common,
&usb_phy1_clk.common,
&usb_hsic_clk.common,
&usb_hsic_12m_clk.common,
&usb_ohci0_clk.common,
&usb_ohci1_clk.common,
&dram_clk.common,
&dram_ve_clk.common,
&dram_csi_clk.common,
&dram_deinterlace_clk.common,
&dram_ts_clk.common,
&de_clk.common,
&tcon0_clk.common,
&tcon1_clk.common,
&deinterlace_clk.common,
&csi_misc_clk.common,
&csi_sclk_clk.common,
&csi_mclk_clk.common,
&ve_clk.common,
&ac_dig_clk.common,
&ac_dig_4x_clk.common,
&avs_clk.common,
&hdmi_clk.common,
&hdmi_ddc_clk.common,
&mbus_clk.common,
&dsi_dphy_clk.common,
&gpu_clk.common,
};
static struct clk_hw_onecell_data sun50i_a64_hw_clks = {
.hws = {
[CLK_OSC_12M] = &osc12M_clk.hw,
[CLK_PLL_CPUX] = &pll_cpux_clk.common.hw,
[CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw,
[CLK_PLL_AUDIO] = &pll_audio_clk.hw,
[CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw,
[CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw,
[CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw,
[CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw,
[CLK_PLL_VIDEO0_2X] = &pll_video0_2x_clk.hw,
[CLK_PLL_VE] = &pll_ve_clk.common.hw,
[CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw,
[CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw,
[CLK_PLL_PERIPH0_2X] = &pll_periph0_2x_clk.hw,
[CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw,
[CLK_PLL_PERIPH1_2X] = &pll_periph1_2x_clk.hw,
[CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw,
[CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
[CLK_PLL_MIPI] = &pll_mipi_clk.common.hw,
[CLK_PLL_HSIC] = &pll_hsic_clk.common.hw,
[CLK_PLL_DE] = &pll_de_clk.common.hw,
[CLK_PLL_DDR1] = &pll_ddr1_clk.common.hw,
[CLK_CPUX] = &cpux_clk.common.hw,
[CLK_AXI] = &axi_clk.common.hw,
[CLK_AHB1] = &ahb1_clk.common.hw,
[CLK_APB1] = &apb1_clk.common.hw,
[CLK_APB2] = &apb2_clk.common.hw,
[CLK_AHB2] = &ahb2_clk.common.hw,
[CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
[CLK_BUS_CE] = &bus_ce_clk.common.hw,
[CLK_BUS_DMA] = &bus_dma_clk.common.hw,
[CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw,
[CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw,
[CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw,
[CLK_BUS_NAND] = &bus_nand_clk.common.hw,
[CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
[CLK_BUS_EMAC] = &bus_emac_clk.common.hw,
[CLK_BUS_TS] = &bus_ts_clk.common.hw,
[CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
[CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
[CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
[CLK_BUS_OTG] = &bus_otg_clk.common.hw,
[CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw,
[CLK_BUS_EHCI1] = &bus_ehci1_clk.common.hw,
[CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw,
[CLK_BUS_OHCI1] = &bus_ohci1_clk.common.hw,
[CLK_BUS_VE] = &bus_ve_clk.common.hw,
[CLK_BUS_TCON0] = &bus_tcon0_clk.common.hw,
[CLK_BUS_TCON1] = &bus_tcon1_clk.common.hw,
[CLK_BUS_DEINTERLACE] = &bus_deinterlace_clk.common.hw,
[CLK_BUS_CSI] = &bus_csi_clk.common.hw,
[CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw,
[CLK_BUS_DE] = &bus_de_clk.common.hw,
[CLK_BUS_GPU] = &bus_gpu_clk.common.hw,
[CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
[CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
[CLK_BUS_CODEC] = &bus_codec_clk.common.hw,
[CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw,
[CLK_BUS_PIO] = &bus_pio_clk.common.hw,
[CLK_BUS_THS] = &bus_ths_clk.common.hw,
[CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
[CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
[CLK_BUS_I2S2] = &bus_i2s2_clk.common.hw,
[CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
[CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
[CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
[CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
[CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
[CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
[CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
[CLK_BUS_UART4] = &bus_uart4_clk.common.hw,
[CLK_BUS_SCR] = &bus_scr_clk.common.hw,
[CLK_BUS_DBG] = &bus_dbg_clk.common.hw,
[CLK_THS] = &ths_clk.common.hw,
[CLK_NAND] = &nand_clk.common.hw,
[CLK_MMC0] = &mmc0_clk.common.hw,
[CLK_MMC1] = &mmc1_clk.common.hw,
[CLK_MMC2] = &mmc2_clk.common.hw,
[CLK_TS] = &ts_clk.common.hw,
[CLK_CE] = &ce_clk.common.hw,
[CLK_SPI0] = &spi0_clk.common.hw,
[CLK_SPI1] = &spi1_clk.common.hw,
[CLK_I2S0] = &i2s0_clk.common.hw,
[CLK_I2S1] = &i2s1_clk.common.hw,
[CLK_I2S2] = &i2s2_clk.common.hw,
[CLK_SPDIF] = &spdif_clk.common.hw,
[CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
[CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
[CLK_USB_HSIC] = &usb_hsic_clk.common.hw,
[CLK_USB_HSIC_12M] = &usb_hsic_12m_clk.common.hw,
[CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw,
[CLK_USB_OHCI1] = &usb_ohci1_clk.common.hw,
[CLK_DRAM] = &dram_clk.common.hw,
[CLK_DRAM_VE] = &dram_ve_clk.common.hw,
[CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
[CLK_DRAM_DEINTERLACE] = &dram_deinterlace_clk.common.hw,
[CLK_DRAM_TS] = &dram_ts_clk.common.hw,
[CLK_DE] = &de_clk.common.hw,
[CLK_TCON0] = &tcon0_clk.common.hw,
[CLK_TCON1] = &tcon1_clk.common.hw,
[CLK_DEINTERLACE] = &deinterlace_clk.common.hw,
[CLK_CSI_MISC] = &csi_misc_clk.common.hw,
[CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
[CLK_CSI_MCLK] = &csi_mclk_clk.common.hw,
[CLK_VE] = &ve_clk.common.hw,
[CLK_AC_DIG] = &ac_dig_clk.common.hw,
[CLK_AC_DIG_4X] = &ac_dig_4x_clk.common.hw,
[CLK_AVS] = &avs_clk.common.hw,
[CLK_HDMI] = &hdmi_clk.common.hw,
[CLK_HDMI_DDC] = &hdmi_ddc_clk.common.hw,
[CLK_MBUS] = &mbus_clk.common.hw,
[CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw,
[CLK_GPU] = &gpu_clk.common.hw,
},
.num = CLK_NUMBER,
};
static struct ccu_reset_map sun50i_a64_ccu_resets[] = {
[RST_USB_PHY0] = { 0x0cc, BIT(0) },
[RST_USB_PHY1] = { 0x0cc, BIT(1) },
[RST_USB_HSIC] = { 0x0cc, BIT(2) },
[RST_DRAM] = { 0x0f4, BIT(31) },
[RST_MBUS] = { 0x0fc, BIT(31) },
[RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) },
[RST_BUS_CE] = { 0x2c0, BIT(5) },
[RST_BUS_DMA] = { 0x2c0, BIT(6) },
[RST_BUS_MMC0] = { 0x2c0, BIT(8) },
[RST_BUS_MMC1] = { 0x2c0, BIT(9) },
[RST_BUS_MMC2] = { 0x2c0, BIT(10) },
[RST_BUS_NAND] = { 0x2c0, BIT(13) },
[RST_BUS_DRAM] = { 0x2c0, BIT(14) },
[RST_BUS_EMAC] = { 0x2c0, BIT(17) },
[RST_BUS_TS] = { 0x2c0, BIT(18) },
[RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
[RST_BUS_SPI0] = { 0x2c0, BIT(20) },
[RST_BUS_SPI1] = { 0x2c0, BIT(21) },
[RST_BUS_OTG] = { 0x2c0, BIT(23) },
[RST_BUS_EHCI0] = { 0x2c0, BIT(24) },
[RST_BUS_EHCI1] = { 0x2c0, BIT(25) },
[RST_BUS_OHCI0] = { 0x2c0, BIT(28) },
[RST_BUS_OHCI1] = { 0x2c0, BIT(29) },
[RST_BUS_VE] = { 0x2c4, BIT(0) },
[RST_BUS_TCON0] = { 0x2c4, BIT(3) },
[RST_BUS_TCON1] = { 0x2c4, BIT(4) },
[RST_BUS_DEINTERLACE] = { 0x2c4, BIT(5) },
[RST_BUS_CSI] = { 0x2c4, BIT(8) },
[RST_BUS_HDMI0] = { 0x2c4, BIT(10) },
[RST_BUS_HDMI1] = { 0x2c4, BIT(11) },
[RST_BUS_DE] = { 0x2c4, BIT(12) },
[RST_BUS_GPU] = { 0x2c4, BIT(20) },
[RST_BUS_MSGBOX] = { 0x2c4, BIT(21) },
[RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) },
[RST_BUS_DBG] = { 0x2c4, BIT(31) },
[RST_BUS_LVDS] = { 0x2c8, BIT(0) },
[RST_BUS_CODEC] = { 0x2d0, BIT(0) },
[RST_BUS_SPDIF] = { 0x2d0, BIT(1) },
[RST_BUS_THS] = { 0x2d0, BIT(8) },
[RST_BUS_I2S0] = { 0x2d0, BIT(12) },
[RST_BUS_I2S1] = { 0x2d0, BIT(13) },
[RST_BUS_I2S2] = { 0x2d0, BIT(14) },
[RST_BUS_I2C0] = { 0x2d8, BIT(0) },
[RST_BUS_I2C1] = { 0x2d8, BIT(1) },
[RST_BUS_I2C2] = { 0x2d8, BIT(2) },
[RST_BUS_SCR] = { 0x2d8, BIT(5) },
[RST_BUS_UART0] = { 0x2d8, BIT(16) },
[RST_BUS_UART1] = { 0x2d8, BIT(17) },
[RST_BUS_UART2] = { 0x2d8, BIT(18) },
[RST_BUS_UART3] = { 0x2d8, BIT(19) },
[RST_BUS_UART4] = { 0x2d8, BIT(20) },
};
static const struct sunxi_ccu_desc sun50i_a64_ccu_desc = {
.ccu_clks = sun50i_a64_ccu_clks,
.num_ccu_clks = ARRAY_SIZE(sun50i_a64_ccu_clks),
.hw_clks = &sun50i_a64_hw_clks,
.resets = sun50i_a64_ccu_resets,
.num_resets = ARRAY_SIZE(sun50i_a64_ccu_resets),
};
static int sun50i_a64_ccu_probe(struct platform_device *pdev)
{
struct resource *res;
void __iomem *reg;
u32 val;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(reg))
return PTR_ERR(reg);
/* Force the PLL-Audio-1x divider to 4 */
val = readl(reg + SUN50I_A64_PLL_AUDIO_REG);
val &= ~GENMASK(19, 16);
writel(val | (3 << 16), reg + SUN50I_A64_PLL_AUDIO_REG);
writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG);
return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a64_ccu_desc);
}
static const struct of_device_id sun50i_a64_ccu_ids[] = {
{ .compatible = "allwinner,sun50i-a64-ccu" },
{ }
};
static struct platform_driver sun50i_a64_ccu_driver = {
.probe = sun50i_a64_ccu_probe,
.driver = {
.name = "sun50i-a64-ccu",
.of_match_table = sun50i_a64_ccu_ids,
},
};
builtin_platform_driver(sun50i_a64_ccu_driver);

72
drivers/clk/sunxi-ng/ccu-sun50i-a64.h 100644
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@ -0,0 +1,72 @@
/*
* Copyright 2016 Maxime Ripard
*
* Maxime Ripard <maxime.ripard@free-electrons.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _CCU_SUN50I_A64_H_
#define _CCU_SUN50I_A64_H_
#include <dt-bindings/clock/sun50i-a64-ccu.h>
#include <dt-bindings/reset/sun50i-a64-ccu.h>
#define CLK_OSC_12M 0
#define CLK_PLL_CPUX 1
#define CLK_PLL_AUDIO_BASE 2
#define CLK_PLL_AUDIO 3
#define CLK_PLL_AUDIO_2X 4
#define CLK_PLL_AUDIO_4X 5
#define CLK_PLL_AUDIO_8X 6
#define CLK_PLL_VIDEO0 7
#define CLK_PLL_VIDEO0_2X 8
#define CLK_PLL_VE 9
#define CLK_PLL_DDR0 10
#define CLK_PLL_PERIPH0 11
#define CLK_PLL_PERIPH0_2X 12
#define CLK_PLL_PERIPH1 13
#define CLK_PLL_PERIPH1_2X 14
#define CLK_PLL_VIDEO1 15
#define CLK_PLL_GPU 16
#define CLK_PLL_MIPI 17
#define CLK_PLL_HSIC 18
#define CLK_PLL_DE 19
#define CLK_PLL_DDR1 20
#define CLK_CPUX 21
#define CLK_AXI 22
#define CLK_APB 23
#define CLK_AHB1 24
#define CLK_APB1 25
#define CLK_APB2 26
#define CLK_AHB2 27
/* All the bus gates are exported */
/* The first bunch of module clocks are exported */
#define CLK_USB_OHCI0_12M 90
#define CLK_USB_OHCI1_12M 92
#define CLK_DRAM 94
/* All the DRAM gates are exported */
/* Some more module clocks are exported */
#define CLK_MBUS 112
/* And the DSI and GPU module clock is exported */
#define CLK_NUMBER (CLK_GPU + 1)
#endif /* _CCU_SUN50I_A64_H_ */

6
drivers/clk/sunxi-ng/ccu-sun8i-a23.c
View File

@ -344,10 +344,10 @@ static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
"pll-audio-2x", "pll-audio" };
static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
0x0b0, 16, 2, BIT(31), 0);
0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
0x0b4, 16, 2, BIT(31), 0);
0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
/* TODO: the parent for most of the USB clocks is not known */
static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
@ -415,7 +415,7 @@ static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
0x140, BIT(31), 0);
0x140, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
0x144, BIT(31), 0);

10
drivers/clk/sunxi-ng/ccu-sun8i-h3.c
View File

@ -394,16 +394,16 @@ static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
"pll-audio-2x", "pll-audio" };
static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
0x0b0, 16, 2, BIT(31), 0);
0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
0x0b4, 16, 2, BIT(31), 0);
0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
0x0b8, 16, 2, BIT(31), 0);
0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
0x0c0, 0, 4, BIT(31), 0);
0x0c0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
0x0cc, BIT(8), 0);
@ -466,7 +466,7 @@ static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
0x13c, 16, 3, BIT(31), 0);
static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
0x140, BIT(31), 0);
0x140, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
0x144, BIT(31), 0);

6
drivers/clk/sunxi-ng/ccu_div.h
View File

@ -20,7 +20,7 @@
#include "ccu_mux.h"
/**
* struct _ccu_div - Internal divider description
* struct ccu_div_internal - Internal divider description
* @shift: Bit offset of the divider in its register
* @width: Width of the divider field in its register
* @max: Maximum value allowed for that divider. This is the
@ -36,7 +36,7 @@
* It is basically a wrapper around the clk_divider functions
* arguments.
*/
struct _ccu_div {
struct ccu_div_internal {
u8 shift;
u8 width;
@ -78,7 +78,7 @@ struct _ccu_div {
struct ccu_div {
u32 enable;
struct _ccu_div div;
struct ccu_div_internal div;
struct ccu_mux_internal mux;
struct ccu_common common;
};

12
drivers/clk/sunxi-ng/ccu_frac.c
View File

@ -14,7 +14,7 @@
#include "ccu_frac.h"
bool ccu_frac_helper_is_enabled(struct ccu_common *common,
struct _ccu_frac *cf)
struct ccu_frac_internal *cf)
{
if (!(common->features & CCU_FEATURE_FRACTIONAL))
return false;
@ -23,7 +23,7 @@ bool ccu_frac_helper_is_enabled(struct ccu_common *common,
}
void ccu_frac_helper_enable(struct ccu_common *common,
struct _ccu_frac *cf)
struct ccu_frac_internal *cf)
{
unsigned long flags;
u32 reg;
@ -38,7 +38,7 @@ void ccu_frac_helper_enable(struct ccu_common *common,
}
void ccu_frac_helper_disable(struct ccu_common *common,
struct _ccu_frac *cf)
struct ccu_frac_internal *cf)
{
unsigned long flags;
u32 reg;
@ -53,7 +53,7 @@ void ccu_frac_helper_disable(struct ccu_common *common,
}
bool ccu_frac_helper_has_rate(struct ccu_common *common,
struct _ccu_frac *cf,
struct ccu_frac_internal *cf,
unsigned long rate)
{
if (!(common->features & CCU_FEATURE_FRACTIONAL))
@ -63,7 +63,7 @@ bool ccu_frac_helper_has_rate(struct ccu_common *common,
}
unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
struct _ccu_frac *cf)
struct ccu_frac_internal *cf)
{
u32 reg;
@ -84,7 +84,7 @@ unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
}
int ccu_frac_helper_set_rate(struct ccu_common *common,
struct _ccu_frac *cf,
struct ccu_frac_internal *cf,
unsigned long rate)
{
unsigned long flags;

14
drivers/clk/sunxi-ng/ccu_frac.h
View File

@ -18,7 +18,7 @@
#include "ccu_common.h"
struct _ccu_frac {
struct ccu_frac_internal {
u32 enable;
u32 select;
@ -33,21 +33,21 @@ struct _ccu_frac {
}
bool ccu_frac_helper_is_enabled(struct ccu_common *common,
struct _ccu_frac *cf);
struct ccu_frac_internal *cf);
void ccu_frac_helper_enable(struct ccu_common *common,
struct _ccu_frac *cf);
struct ccu_frac_internal *cf);
void ccu_frac_helper_disable(struct ccu_common *common,
struct _ccu_frac *cf);
struct ccu_frac_internal *cf);
bool ccu_frac_helper_has_rate(struct ccu_common *common,
struct _ccu_frac *cf,
struct ccu_frac_internal *cf,
unsigned long rate);
unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
struct _ccu_frac *cf);
struct ccu_frac_internal *cf);
int ccu_frac_helper_set_rate(struct ccu_common *common,
struct _ccu_frac *cf,
struct ccu_frac_internal *cf,
unsigned long rate);
#endif /* _CCU_FRAC_H_ */

4
drivers/clk/sunxi-ng/ccu_mp.h
View File

@ -29,8 +29,8 @@
struct ccu_mp {
u32 enable;
struct _ccu_div m;
struct _ccu_div p;
struct ccu_div_internal m;
struct ccu_div_internal p;
struct ccu_mux_internal mux;
struct ccu_common common;
};

33
drivers/clk/sunxi-ng/ccu_mult.c
View File

@ -13,10 +13,23 @@
#include "ccu_gate.h"
#include "ccu_mult.h"
struct _ccu_mult {
unsigned long mult, min, max;
};
static void ccu_mult_find_best(unsigned long parent, unsigned long rate,
unsigned int max_n, unsigned int *n)
struct _ccu_mult *mult)
{
*n = rate / parent;
int _mult;
_mult = rate / parent;
if (_mult < mult->min)
_mult = mult->min;
if (_mult > mult->max)
_mult = mult->max;
mult->mult = _mult;
}
static unsigned long ccu_mult_round_rate(struct ccu_mux_internal *mux,
@ -25,11 +38,13 @@ static unsigned long ccu_mult_round_rate(struct ccu_mux_internal *mux,
void *data)
{
struct ccu_mult *cm = data;
unsigned int n;
struct _ccu_mult _cm;
ccu_mult_find_best(parent_rate, rate, 1 << cm->mult.width, &n);
_cm.min = 1;
_cm.max = 1 << cm->mult.width;
ccu_mult_find_best(parent_rate, rate, &_cm);
return parent_rate * n;
return parent_rate * _cm.mult;
}
static void ccu_mult_disable(struct clk_hw *hw)
@ -83,21 +98,23 @@ static int ccu_mult_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct ccu_mult *cm = hw_to_ccu_mult(hw);
struct _ccu_mult _cm;
unsigned long flags;
unsigned int n;
u32 reg;
ccu_mux_helper_adjust_parent_for_prediv(&cm->common, &cm->mux, -1,
&parent_rate);
ccu_mult_find_best(parent_rate, rate, 1 << cm->mult.width, &n);
_cm.min = cm->mult.min;
_cm.max = 1 << cm->mult.width;
ccu_mult_find_best(parent_rate, rate, &_cm);
spin_lock_irqsave(cm->common.lock, flags);
reg = readl(cm->common.base + cm->common.reg);
reg &= ~GENMASK(cm->mult.width + cm->mult.shift - 1, cm->mult.shift);
writel(reg | ((n - 1) << cm->mult.shift),
writel(reg | ((_cm.mult - 1) << cm->mult.shift),
cm->common.base + cm->common.reg);
spin_unlock_irqrestore(cm->common.lock, flags);

17
drivers/clk/sunxi-ng/ccu_mult.h
View File

@ -4,21 +4,26 @@
#include "ccu_common.h"
#include "ccu_mux.h"
struct _ccu_mult {
struct ccu_mult_internal {
u8 shift;
u8 width;
u8 min;
};
#define _SUNXI_CCU_MULT(_shift, _width) \
{ \
.shift = _shift, \
.width = _width, \
#define _SUNXI_CCU_MULT_MIN(_shift, _width, _min) \
{ \
.shift = _shift, \
.width = _width, \
.min = _min, \
}
#define _SUNXI_CCU_MULT(_shift, _width) \
_SUNXI_CCU_MULT_MIN(_shift, _width, 1)
struct ccu_mult {
u32 enable;
struct _ccu_mult mult;
struct ccu_mult_internal mult;
struct ccu_mux_internal mux;
struct ccu_common common;
};

43
drivers/clk/sunxi-ng/ccu_nk.c
View File

@ -9,21 +9,24 @@
*/
#include <linux/clk-provider.h>
#include <linux/rational.h>
#include "ccu_gate.h"
#include "ccu_nk.h"
struct _ccu_nk {
unsigned long n, min_n, max_n;
unsigned long k, min_k, max_k;
};
static void ccu_nk_find_best(unsigned long parent, unsigned long rate,
unsigned int max_n, unsigned int max_k,
unsigned int *n, unsigned int *k)
struct _ccu_nk *nk)
{
unsigned long best_rate = 0;
unsigned int best_k = 0, best_n = 0;
unsigned int _k, _n;
for (_k = 1; _k <= max_k; _k++) {
for (_n = 1; _n <= max_n; _n++) {
for (_k = nk->min_k; _k <= nk->max_k; _k++) {
for (_n = nk->min_n; _n <= nk->max_n; _n++) {
unsigned long tmp_rate = parent * _n * _k;
if (tmp_rate > rate)
@ -37,8 +40,8 @@ static void ccu_nk_find_best(unsigned long parent, unsigned long rate,
}
}
*k = best_k;
*n = best_n;
nk->k = best_k;
nk->n = best_n;
}
static void ccu_nk_disable(struct clk_hw *hw)
@ -89,16 +92,19 @@ static long ccu_nk_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
struct ccu_nk *nk = hw_to_ccu_nk(hw);
unsigned int n, k;
struct _ccu_nk _nk;
if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate *= nk->fixed_post_div;
ccu_nk_find_best(*parent_rate, rate,
1 << nk->n.width, 1 << nk->k.width,
&n, &k);
_nk.min_n = nk->n.min;
_nk.max_n = 1 << nk->n.width;
_nk.min_k = nk->k.min;
_nk.max_k = 1 << nk->k.width;
ccu_nk_find_best(*parent_rate, rate, &_nk);
rate = *parent_rate * _nk.n * _nk.k;
rate = *parent_rate * n * k;
if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate = rate / nk->fixed_post_div;
@ -110,15 +116,18 @@ static int ccu_nk_set_rate(struct clk_hw *hw, unsigned long rate,
{
struct ccu_nk *nk = hw_to_ccu_nk(hw);
unsigned long flags;
unsigned int n, k;
struct _ccu_nk _nk;
u32 reg;
if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate = rate * nk->fixed_post_div;
ccu_nk_find_best(parent_rate, rate,
1 << nk->n.width, 1 << nk->k.width,
&n, &k);
_nk.min_n = nk->n.min;
_nk.max_n = 1 << nk->n.width;
_nk.min_k = nk->k.min;
_nk.max_k = 1 << nk->k.width;
ccu_nk_find_best(parent_rate, rate, &_nk);
spin_lock_irqsave(nk->common.lock, flags);
@ -126,7 +135,7 @@ static int ccu_nk_set_rate(struct clk_hw *hw, unsigned long rate,
reg &= ~GENMASK(nk->n.width + nk->n.shift - 1, nk->n.shift);
reg &= ~GENMASK(nk->k.width + nk->k.shift - 1, nk->k.shift);
writel(reg | ((k - 1) << nk->k.shift) | ((n - 1) << nk->n.shift),
writel(reg | ((_nk.k - 1) << nk->k.shift) | ((_nk.n - 1) << nk->n.shift),
nk->common.base + nk->common.reg);
spin_unlock_irqrestore(nk->common.lock, flags);

4
drivers/clk/sunxi-ng/ccu_nk.h
View File

@ -30,8 +30,8 @@ struct ccu_nk {
u32 enable;
u32 lock;
struct _ccu_mult n;
struct _ccu_mult k;
struct ccu_mult_internal n;
struct ccu_mult_internal k;
unsigned int fixed_post_div;

41
drivers/clk/sunxi-ng/ccu_nkm.c
View File

@ -9,15 +9,14 @@
*/
#include <linux/clk-provider.h>
#include <linux/rational.h>
#include "ccu_gate.h"
#include "ccu_nkm.h"
struct _ccu_nkm {
unsigned long n, max_n;
unsigned long k, max_k;
unsigned long m, max_m;
unsigned long n, min_n, max_n;
unsigned long k, min_k, max_k;
unsigned long m, min_m, max_m;
};
static void ccu_nkm_find_best(unsigned long parent, unsigned long rate,
@ -27,22 +26,22 @@ static void ccu_nkm_find_best(unsigned long parent, unsigned long rate,
unsigned long best_n = 0, best_k = 0, best_m = 0;
unsigned long _n, _k, _m;
for (_k = 1; _k <= nkm->max_k; _k++) {
unsigned long tmp_rate;
for (_k = nkm->min_k; _k <= nkm->max_k; _k++) {
for (_n = nkm->min_n; _n <= nkm->max_n; _n++) {
for (_m = nkm->min_m; _m <= nkm->max_m; _m++) {
unsigned long tmp_rate;
rational_best_approximation(rate / _k, parent,
nkm->max_n, nkm->max_m, &_n, &_m);
tmp_rate = parent * _n * _k / _m;
tmp_rate = parent * _n * _k / _m;
if (tmp_rate > rate)
continue;
if ((rate - tmp_rate) < (rate - best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_k = _k;
best_m = _m;
if (tmp_rate > rate)
continue;
if ((rate - tmp_rate) < (rate - best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_k = _k;
best_m = _m;
}
}
}
}
@ -101,8 +100,11 @@ static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
struct ccu_nkm *nkm = data;
struct _ccu_nkm _nkm;
_nkm.min_n = nkm->n.min;
_nkm.max_n = 1 << nkm->n.width;
_nkm.min_k = nkm->k.min;
_nkm.max_k = 1 << nkm->k.width;
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
ccu_nkm_find_best(parent_rate, rate, &_nkm);
@ -127,8 +129,11 @@ static int ccu_nkm_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long flags;
u32 reg;
_nkm.min_n = nkm->n.min;
_nkm.max_n = 1 << nkm->n.width;
_nkm.min_k = nkm->k.min;
_nkm.max_k = 1 << nkm->k.width;
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
ccu_nkm_find_best(parent_rate, rate, &_nkm);

6
drivers/clk/sunxi-ng/ccu_nkm.h
View File

@ -29,9 +29,9 @@ struct ccu_nkm {
u32 enable;
u32 lock;
struct _ccu_mult n;
struct _ccu_mult k;
struct _ccu_div m;
struct ccu_mult_internal n;
struct ccu_mult_internal k;
struct ccu_div_internal m;
struct ccu_mux_internal mux;
struct ccu_common common;

49
drivers/clk/sunxi-ng/ccu_nkmp.c
View File

@ -9,16 +9,15 @@
*/
#include <linux/clk-provider.h>
#include <linux/rational.h>
#include "ccu_gate.h"
#include "ccu_nkmp.h"
struct _ccu_nkmp {
unsigned long n, max_n;
unsigned long k, max_k;
unsigned long m, max_m;
unsigned long p, max_p;
unsigned long n, min_n, max_n;
unsigned long k, min_k, max_k;
unsigned long m, min_m, max_m;
unsigned long p, min_p, max_p;
};
static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate,
@ -28,25 +27,25 @@ static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate,
unsigned long best_n = 0, best_k = 0, best_m = 0, best_p = 0;
unsigned long _n, _k, _m, _p;
for (_k = 1; _k <= nkmp->max_k; _k++) {
for (_p = 1; _p <= nkmp->max_p; _p <<= 1) {
unsigned long tmp_rate;
for (_k = nkmp->min_k; _k <= nkmp->max_k; _k++) {
for (_n = nkmp->min_n; _n <= nkmp->max_n; _n++) {
for (_m = nkmp->min_m; _m <= nkmp->max_m; _m++) {
for (_p = nkmp->min_p; _p <= nkmp->max_p; _p <<= 1) {
unsigned long tmp_rate;
rational_best_approximation(rate / _k, parent / _p,
nkmp->max_n, nkmp->max_m,
&_n, &_m);
tmp_rate = parent * _n * _k / (_m * _p);
tmp_rate = parent * _n * _k / (_m * _p);
if (tmp_rate > rate)
continue;
if (tmp_rate > rate)
continue;
if ((rate - tmp_rate) < (rate - best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_k = _k;
best_m = _m;
best_p = _p;
if ((rate - tmp_rate) < (rate - best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_k = _k;
best_m = _m;
best_p = _p;
}
}
}
}
}
@ -108,9 +107,13 @@ static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate,
struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
struct _ccu_nkmp _nkmp;
_nkmp.min_n = nkmp->n.min;
_nkmp.max_n = 1 << nkmp->n.width;
_nkmp.min_k = nkmp->k.min;
_nkmp.max_k = 1 << nkmp->k.width;
_nkmp.min_m = 1;
_nkmp.max_m = nkmp->m.max ?: 1 << nkmp->m.width;
_nkmp.min_p = 1;
_nkmp.max_p = nkmp->p.max ?: 1 << ((1 << nkmp->p.width) - 1);
ccu_nkmp_find_best(*parent_rate, rate, &_nkmp);
@ -126,9 +129,13 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long flags;
u32 reg;
_nkmp.min_n = 1;
_nkmp.max_n = 1 << nkmp->n.width;
_nkmp.min_k = 1;
_nkmp.max_k = 1 << nkmp->k.width;
_nkmp.min_m = 1;
_nkmp.max_m = nkmp->m.max ?: 1 << nkmp->m.width;
_nkmp.min_p = 1;
_nkmp.max_p = nkmp->p.max ?: 1 << ((1 << nkmp->p.width) - 1);
ccu_nkmp_find_best(parent_rate, rate, &_nkmp);

8
drivers/clk/sunxi-ng/ccu_nkmp.h
View File

@ -29,10 +29,10 @@ struct ccu_nkmp {
u32 enable;
u32 lock;
struct _ccu_mult n;
struct _ccu_mult k;
struct _ccu_div m;
struct _ccu_div p;
struct ccu_mult_internal n;
struct ccu_mult_internal k;
struct ccu_div_internal m;
struct ccu_div_internal p;
struct ccu_common common;
};

58
drivers/clk/sunxi-ng/ccu_nm.c
View File

@ -9,12 +9,42 @@
*/
#include <linux/clk-provider.h>
#include <linux/rational.h>
#include "ccu_frac.h"
#include "ccu_gate.h"
#include "ccu_nm.h"
struct _ccu_nm {
unsigned long n, min_n, max_n;
unsigned long m, min_m, max_m;
};
static void ccu_nm_find_best(unsigned long parent, unsigned long rate,
struct _ccu_nm *nm)
{
unsigned long best_rate = 0;
unsigned long best_n = 0, best_m = 0;
unsigned long _n, _m;
for (_n = nm->min_n; _n <= nm->max_n; _n++) {
for (_m = nm->min_m; _m <= nm->max_m; _m++) {
unsigned long tmp_rate = parent * _n / _m;
if (tmp_rate > rate)
continue;
if ((rate - tmp_rate) < (rate - best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_m = _m;
}
}
}
nm->n = best_n;
nm->m = best_m;
}
static void ccu_nm_disable(struct clk_hw *hw)
{
struct ccu_nm *nm = hw_to_ccu_nm(hw);
@ -61,24 +91,24 @@ static long ccu_nm_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
struct ccu_nm *nm = hw_to_ccu_nm(hw);
unsigned long max_n, max_m;
unsigned long n, m;
struct _ccu_nm _nm;
max_n = 1 << nm->n.width;
max_m = nm->m.max ?: 1 << nm->m.width;
_nm.min_n = nm->n.min;
_nm.max_n = 1 << nm->n.width;
_nm.min_m = 1;
_nm.max_m = nm->m.max ?: 1 << nm->m.width;
rational_best_approximation(rate, *parent_rate, max_n, max_m, &n, &m);
ccu_nm_find_best(*parent_rate, rate, &_nm);
return *parent_rate * n / m;
return *parent_rate * _nm.n / _nm.m;
}
static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct ccu_nm *nm = hw_to_ccu_nm(hw);
struct _ccu_nm _nm;
unsigned long flags;
unsigned long max_n, max_m;
unsigned long n, m;
u32 reg;
if (ccu_frac_helper_has_rate(&nm->common, &nm->frac, rate))
@ -86,10 +116,12 @@ static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
else
ccu_frac_helper_disable(&nm->common, &nm->frac);
max_n = 1 << nm->n.width;
max_m = nm->m.max ?: 1 << nm->m.width;
_nm.min_n = 1;
_nm.max_n = 1 << nm->n.width;
_nm.min_m = 1;
_nm.max_m = nm->m.max ?: 1 << nm->m.width;
rational_best_approximation(rate, parent_rate, max_n, max_m, &n, &m);
ccu_nm_find_best(parent_rate, rate, &_nm);
spin_lock_irqsave(nm->common.lock, flags);
@ -97,7 +129,7 @@ static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
reg &= ~GENMASK(nm->n.width + nm->n.shift - 1, nm->n.shift);
reg &= ~GENMASK(nm->m.width + nm->m.shift - 1, nm->m.shift);
writel(reg | ((m - 1) << nm->m.shift) | ((n - 1) << nm->n.shift),
writel(reg | ((_nm.m - 1) << nm->m.shift) | ((_nm.n - 1) << nm->n.shift),
nm->common.base + nm->common.reg);
spin_unlock_irqrestore(nm->common.lock, flags);

6
drivers/clk/sunxi-ng/ccu_nm.h
View File

@ -30,9 +30,9 @@ struct ccu_nm {
u32 enable;
u32 lock;
struct _ccu_mult n;
struct _ccu_div m;
struct _ccu_frac frac;
struct ccu_mult_internal n;
struct ccu_div_internal m;
struct ccu_frac_internal frac;
struct ccu_common common;
};

2
drivers/clk/sunxi/clk-mod0.c
View File

@ -24,7 +24,7 @@
#include "clk-factors.h"
/**
* sun4i_get_mod0_factors() - calculates m, n factors for MOD0-style clocks
* sun4i_a10_get_mod0_factors() - calculates m, n factors for MOD0-style clocks
* MOD0 rate is calculated as follows
* rate = (parent_rate >> p) / (m + 1);
*/

134
include/dt-bindings/clock/sun50i-a64-ccu.h 100644
View File

@ -0,0 +1,134 @@
/*
* Copyright (C) 2016 Maxime Ripard <maxime.ripard@free-electrons.com>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _DT_BINDINGS_CLK_SUN50I_A64_H_
#define _DT_BINDINGS_CLK_SUN50I_A64_H_
#define CLK_BUS_MIPI_DSI 28
#define CLK_BUS_CE 29
#define CLK_BUS_DMA 30
#define CLK_BUS_MMC0 31
#define CLK_BUS_MMC1 32
#define CLK_BUS_MMC2 33
#define CLK_BUS_NAND 34
#define CLK_BUS_DRAM 35
#define CLK_BUS_EMAC 36
#define CLK_BUS_TS 37
#define CLK_BUS_HSTIMER 38
#define CLK_BUS_SPI0 39
#define CLK_BUS_SPI1 40
#define CLK_BUS_OTG 41
#define CLK_BUS_EHCI0 42
#define CLK_BUS_EHCI1 43
#define CLK_BUS_OHCI0 44
#define CLK_BUS_OHCI1 45
#define CLK_BUS_VE 46
#define CLK_BUS_TCON0 47
#define CLK_BUS_TCON1 48
#define CLK_BUS_DEINTERLACE 49
#define CLK_BUS_CSI 50
#define CLK_BUS_HDMI 51
#define CLK_BUS_DE 52
#define CLK_BUS_GPU 53
#define CLK_BUS_MSGBOX 54
#define CLK_BUS_SPINLOCK 55
#define CLK_BUS_CODEC 56
#define CLK_BUS_SPDIF 57
#define CLK_BUS_PIO 58
#define CLK_BUS_THS 59
#define CLK_BUS_I2S0 60
#define CLK_BUS_I2S1 61
#define CLK_BUS_I2S2 62
#define CLK_BUS_I2C0 63
#define CLK_BUS_I2C1 64
#define CLK_BUS_I2C2 65
#define CLK_BUS_SCR 66
#define CLK_BUS_UART0 67
#define CLK_BUS_UART1 68
#define CLK_BUS_UART2 69
#define CLK_BUS_UART3 70
#define CLK_BUS_UART4 71
#define CLK_BUS_DBG 72
#define CLK_THS 73
#define CLK_NAND 74
#define CLK_MMC0 75
#define CLK_MMC1 76
#define CLK_MMC2 77
#define CLK_TS 78
#define CLK_CE 79
#define CLK_SPI0 80
#define CLK_SPI1 81
#define CLK_I2S0 82
#define CLK_I2S1 83
#define CLK_I2S2 84
#define CLK_SPDIF 85
#define CLK_USB_PHY0 86
#define CLK_USB_PHY1 87
#define CLK_USB_HSIC 88
#define CLK_USB_HSIC_12M 89
#define CLK_USB_OHCI0 91
#define CLK_USB_OHCI1 93
#define CLK_DRAM_VE 95
#define CLK_DRAM_CSI 96
#define CLK_DRAM_DEINTERLACE 97
#define CLK_DRAM_TS 98
#define CLK_DE 99
#define CLK_TCON0 100
#define CLK_TCON1 101
#define CLK_DEINTERLACE 102
#define CLK_CSI_MISC 103
#define CLK_CSI_SCLK 104
#define CLK_CSI_MCLK 105
#define CLK_VE 106
#define CLK_AC_DIG 107
#define CLK_AC_DIG_4X 108
#define CLK_AVS 109
#define CLK_HDMI 110
#define CLK_HDMI_DDC 111
#define CLK_DSI_DPHY 113
#define CLK_GPU 114
#endif /* _DT_BINDINGS_CLK_SUN50I_H_ */

98
include/dt-bindings/reset/sun50i-a64-ccu.h 100644
View File

@ -0,0 +1,98 @@
/*
* Copyright (C) 2016 Maxime Ripard <maxime.ripard@free-electrons.com>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _DT_BINDINGS_RST_SUN50I_A64_H_
#define _DT_BINDINGS_RST_SUN50I_A64_H_
#define RST_USB_PHY0 0
#define RST_USB_PHY1 1
#define RST_USB_HSIC 2
#define RST_DRAM 3
#define RST_MBUS 4
#define RST_BUS_MIPI_DSI 5
#define RST_BUS_CE 6
#define RST_BUS_DMA 7
#define RST_BUS_MMC0 8
#define RST_BUS_MMC1 9
#define RST_BUS_MMC2 10
#define RST_BUS_NAND 11
#define RST_BUS_DRAM 12
#define RST_BUS_EMAC 13
#define RST_BUS_TS 14
#define RST_BUS_HSTIMER 15
#define RST_BUS_SPI0 16
#define RST_BUS_SPI1 17
#define RST_BUS_OTG 18
#define RST_BUS_EHCI0 19
#define RST_BUS_EHCI1 20
#define RST_BUS_OHCI0 21
#define RST_BUS_OHCI1 22
#define RST_BUS_VE 23
#define RST_BUS_TCON0 24
#define RST_BUS_TCON1 25
#define RST_BUS_DEINTERLACE 26
#define RST_BUS_CSI 27
#define RST_BUS_HDMI0 28
#define RST_BUS_HDMI1 29
#define RST_BUS_DE 30
#define RST_BUS_GPU 31
#define RST_BUS_MSGBOX 32
#define RST_BUS_SPINLOCK 33
#define RST_BUS_DBG 34
#define RST_BUS_LVDS 35
#define RST_BUS_CODEC 36
#define RST_BUS_SPDIF 37
#define RST_BUS_THS 38
#define RST_BUS_I2S0 39
#define RST_BUS_I2S1 40
#define RST_BUS_I2S2 41
#define RST_BUS_I2C0 42
#define RST_BUS_I2C1 43
#define RST_BUS_I2C2 44
#define RST_BUS_SCR 45
#define RST_BUS_UART0 46
#define RST_BUS_UART1 47
#define RST_BUS_UART2 48
#define RST_BUS_UART3 49
#define RST_BUS_UART4 50
#endif /* _DT_BINDINGS_RST_SUN50I_A64_H_ */