![Ivan T. Ivanov](/assets/img/avatar_default.png)
Use enum usb_dr_mode and drop default usb_dr_mode from platform data. USB DT bindings states: dr_mode: "...In case this attribute isn't passed via DT, USB DRD controllers should default to OTG...", so remove redundand field. Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com> Acked-by: David Brown <davidb@codeaurora.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
249 lines
5.9 KiB
C
249 lines
5.9 KiB
C
/* Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only version 2 as published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
*/
|
|
#include <linux/gpio.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/usb/msm_hsusb.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clkdev.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/io.h>
|
|
#include <asm/setup.h>
|
|
|
|
#include <mach/irqs.h>
|
|
#include <mach/sirc.h>
|
|
#include <mach/vreg.h>
|
|
#include <mach/clk.h>
|
|
#include <linux/platform_data/mmc-msm_sdcc.h>
|
|
|
|
#include "devices.h"
|
|
#include "common.h"
|
|
|
|
static const resource_size_t qsd8x50_surf_smc91x_base __initconst = 0x70000300;
|
|
static const unsigned qsd8x50_surf_smc91x_gpio __initconst = 156;
|
|
|
|
/* Leave smc91x resources empty here, as we'll fill them in
|
|
* at run-time: they vary from board to board, and the true
|
|
* configuration won't be known until boot.
|
|
*/
|
|
static struct resource smc91x_resources[] = {
|
|
[0] = {
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
};
|
|
|
|
static int __init msm_init_smc91x(void)
|
|
{
|
|
if (machine_is_qsd8x50_surf()) {
|
|
smc91x_resources[0].start = qsd8x50_surf_smc91x_base;
|
|
smc91x_resources[0].end = qsd8x50_surf_smc91x_base + 0xff;
|
|
smc91x_resources[1].start =
|
|
gpio_to_irq(qsd8x50_surf_smc91x_gpio);
|
|
smc91x_resources[1].end =
|
|
gpio_to_irq(qsd8x50_surf_smc91x_gpio);
|
|
platform_device_register(&smc91x_device);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
module_init(msm_init_smc91x);
|
|
|
|
static int hsusb_phy_init_seq[] = {
|
|
0x08, 0x31, /* Increase HS Driver Amplitude */
|
|
0x20, 0x32, /* Enable and set Pre-Emphasis Depth to 10% */
|
|
-1
|
|
};
|
|
|
|
static int hsusb_link_clk_reset(struct clk *link_clk, bool assert)
|
|
{
|
|
int ret;
|
|
|
|
if (assert) {
|
|
ret = clk_reset(link_clk, CLK_RESET_ASSERT);
|
|
if (ret)
|
|
pr_err("usb hs_clk assert failed\n");
|
|
} else {
|
|
ret = clk_reset(link_clk, CLK_RESET_DEASSERT);
|
|
if (ret)
|
|
pr_err("usb hs_clk deassert failed\n");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int hsusb_phy_clk_reset(struct clk *phy_clk)
|
|
{
|
|
int ret;
|
|
|
|
ret = clk_reset(phy_clk, CLK_RESET_ASSERT);
|
|
if (ret) {
|
|
pr_err("usb phy clk assert failed\n");
|
|
return ret;
|
|
}
|
|
usleep_range(10000, 12000);
|
|
ret = clk_reset(phy_clk, CLK_RESET_DEASSERT);
|
|
if (ret)
|
|
pr_err("usb phy clk deassert failed\n");
|
|
return ret;
|
|
}
|
|
|
|
static struct msm_otg_platform_data msm_otg_pdata = {
|
|
.phy_init_seq = hsusb_phy_init_seq,
|
|
.mode = USB_DR_MODE_PERIPHERAL,
|
|
.otg_control = OTG_PHY_CONTROL,
|
|
.link_clk_reset = hsusb_link_clk_reset,
|
|
.phy_clk_reset = hsusb_phy_clk_reset,
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&msm_clock_8x50,
|
|
&msm_device_gpio_8x50,
|
|
&msm_device_uart3,
|
|
&msm_device_smd,
|
|
&msm_device_otg,
|
|
&msm_device_hsusb,
|
|
&msm_device_hsusb_host,
|
|
};
|
|
|
|
static struct msm_mmc_gpio sdc1_gpio_cfg[] = {
|
|
{51, "sdc1_dat_3"},
|
|
{52, "sdc1_dat_2"},
|
|
{53, "sdc1_dat_1"},
|
|
{54, "sdc1_dat_0"},
|
|
{55, "sdc1_cmd"},
|
|
{56, "sdc1_clk"}
|
|
};
|
|
|
|
static struct vreg *vreg_mmc;
|
|
static unsigned long vreg_sts;
|
|
|
|
static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd)
|
|
{
|
|
int rc = 0;
|
|
struct platform_device *pdev;
|
|
|
|
pdev = container_of(dv, struct platform_device, dev);
|
|
|
|
if (vdd == 0) {
|
|
if (!vreg_sts)
|
|
return 0;
|
|
|
|
clear_bit(pdev->id, &vreg_sts);
|
|
|
|
if (!vreg_sts) {
|
|
rc = vreg_disable(vreg_mmc);
|
|
if (rc)
|
|
pr_err("vreg_mmc disable failed for slot "
|
|
"%d: %d\n", pdev->id, rc);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (!vreg_sts) {
|
|
rc = vreg_set_level(vreg_mmc, 2900);
|
|
if (rc)
|
|
pr_err("vreg_mmc set level failed for slot %d: %d\n",
|
|
pdev->id, rc);
|
|
rc = vreg_enable(vreg_mmc);
|
|
if (rc)
|
|
pr_err("vreg_mmc enable failed for slot %d: %d\n",
|
|
pdev->id, rc);
|
|
}
|
|
set_bit(pdev->id, &vreg_sts);
|
|
return 0;
|
|
}
|
|
|
|
static struct msm_mmc_gpio_data sdc1_gpio = {
|
|
.gpio = sdc1_gpio_cfg,
|
|
.size = ARRAY_SIZE(sdc1_gpio_cfg),
|
|
};
|
|
|
|
static struct msm_mmc_platform_data qsd8x50_sdc1_data = {
|
|
.ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
|
|
.translate_vdd = msm_sdcc_setup_power,
|
|
.gpio_data = &sdc1_gpio,
|
|
};
|
|
|
|
static void __init qsd8x50_init_mmc(void)
|
|
{
|
|
vreg_mmc = vreg_get(NULL, "gp5");
|
|
|
|
if (IS_ERR(vreg_mmc)) {
|
|
pr_err("vreg get for vreg_mmc failed (%ld)\n",
|
|
PTR_ERR(vreg_mmc));
|
|
return;
|
|
}
|
|
|
|
msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0);
|
|
}
|
|
|
|
static void __init qsd8x50_map_io(void)
|
|
{
|
|
msm_map_qsd8x50_io();
|
|
}
|
|
|
|
static void __init qsd8x50_init_irq(void)
|
|
{
|
|
msm_init_irq();
|
|
msm_init_sirc();
|
|
}
|
|
|
|
static void __init qsd8x50_init(void)
|
|
{
|
|
msm_device_otg.dev.platform_data = &msm_otg_pdata;
|
|
msm_device_hsusb.dev.parent = &msm_device_otg.dev;
|
|
msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
qsd8x50_init_mmc();
|
|
}
|
|
|
|
static void __init qsd8x50_init_late(void)
|
|
{
|
|
smd_debugfs_init();
|
|
}
|
|
|
|
MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
|
|
.atag_offset = 0x100,
|
|
.map_io = qsd8x50_map_io,
|
|
.init_irq = qsd8x50_init_irq,
|
|
.init_machine = qsd8x50_init,
|
|
.init_late = qsd8x50_init_late,
|
|
.init_time = qsd8x50_timer_init,
|
|
MACHINE_END
|
|
|
|
MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
|
|
.atag_offset = 0x100,
|
|
.map_io = qsd8x50_map_io,
|
|
.init_irq = qsd8x50_init_irq,
|
|
.init_machine = qsd8x50_init,
|
|
.init_late = qsd8x50_init_late,
|
|
.init_time = qsd8x50_timer_init,
|
|
MACHINE_END
|