[PATCH v2 4/5] ARM: S3C64XX: Enabling samsung_usbphy driver
Praveen Paneri
p.paneri at samsung.com
Tue Aug 7 03:28:43 EDT 2012
Adding platform device for samsung_usbphy driver. Enabling it for
s3c64xx based machines using s3c-hsotg.
Signed-off-by: Praveen Paneri <p.paneri at samsung.com>
---
arch/arm/mach-s3c64xx/include/mach/map.h | 2 +
arch/arm/mach-s3c64xx/mach-crag6410.c | 3 ++
arch/arm/mach-s3c64xx/mach-smartq.c | 4 +++
arch/arm/mach-s3c64xx/mach-smdk6410.c | 3 ++
arch/arm/mach-s3c64xx/setup-usb-phy.c | 14 +++++++++++
arch/arm/plat-samsung/devs.c | 32 ++++++++++++++++++++++++++
arch/arm/plat-samsung/include/plat/devs.h | 1 +
arch/arm/plat-samsung/include/plat/usb-phy.h | 1 +
8 files changed, 60 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h
index 8e2097b..dc482bb 100644
--- a/arch/arm/mach-s3c64xx/include/mach/map.h
+++ b/arch/arm/mach-s3c64xx/include/mach/map.h
@@ -65,6 +65,7 @@
#define S3C64XX_PA_NAND (0x70200000)
#define S3C64XX_PA_FB (0x77100000)
+#define S3C64XX_PA_USB_HSPHY (0x7C100000)
#define S3C64XX_PA_USB_HSOTG (0x7C000000)
#define S3C64XX_PA_WATCHDOG (0x7E004000)
#define S3C64XX_PA_RTC (0x7E005000)
@@ -113,6 +114,7 @@
#define S3C_PA_FB S3C64XX_PA_FB
#define S3C_PA_USBHOST S3C64XX_PA_USBHOST
#define S3C_PA_USB_HSOTG S3C64XX_PA_USB_HSOTG
+#define S3C_PA_USB_PHY S3C64XX_PA_USB_HSPHY
#define S3C_PA_RTC S3C64XX_PA_RTC
#define S3C_PA_WDT S3C64XX_PA_WATCHDOG
#define S3C_PA_SPI0 S3C64XX_PA_SPI0
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index 3bb0327..05e6e14 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -337,6 +337,7 @@ static struct platform_device wallvdd_device = {
};
static struct platform_device *crag6410_devices[] __initdata = {
+ &s3c_device_usbphy,
&s3c_device_hsmmc0,
&s3c_device_hsmmc2,
&s3c_device_i2c0,
@@ -766,6 +767,7 @@ static const struct gpio_led_platform_data gpio_leds_pdata = {
.num_leds = ARRAY_SIZE(gpio_leds),
};
+static struct s3c_usbphy_plat crag6410_usbphy_pdata;
static void __init crag6410_machine_init(void)
{
@@ -791,6 +793,7 @@ static void __init crag6410_machine_init(void)
s3c_i2c0_set_platdata(&i2c0_pdata);
s3c_i2c1_set_platdata(&i2c1_pdata);
s3c_fb_set_platdata(&crag6410_lcd_pdata);
+ s3c_usbphy_set_platdata(&crag6410_usbphy_pdata);
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
index 3647202..97751d5 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq.c
@@ -235,6 +235,7 @@ static struct i2c_board_info smartq_i2c_devs[] __initdata = {
};
static struct platform_device *smartq_devices[] __initdata = {
+ &s3c_device_usbphy,
&s3c_device_hsmmc1, /* Init iNAND first, ... */
&s3c_device_hsmmc0, /* ... then the external SD card */
&s3c_device_hsmmc2,
@@ -381,9 +382,12 @@ void __init smartq_map_io(void)
smartq_lcd_mode_set();
}
+static struct s3c_usbphy_plat smartq_usbphy_pdata;
+
void __init smartq_machine_init(void)
{
s3c_i2c0_set_platdata(NULL);
+ s3c_usbphy_set_platdata(&smartq_usbphy_pdata);
s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 1a2db14..e5c55ba 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -264,6 +264,7 @@ static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
static struct map_desc smdk6410_iodesc[] = {};
static struct platform_device *smdk6410_devices[] __initdata = {
+ &s3c_device_usbphy,
#ifdef CONFIG_SMDK6410_SD_CH0
&s3c_device_hsmmc0,
#endif
@@ -627,6 +628,7 @@ static struct platform_pwm_backlight_data smdk6410_bl_data = {
.pwm_id = 1,
};
+static struct s3c_usbphy_plat smdk6410_usbphy_pdata;
static void __init smdk6410_map_io(void)
{
@@ -656,6 +658,7 @@ static void __init smdk6410_machine_init(void)
s3c_i2c0_set_platdata(NULL);
s3c_i2c1_set_platdata(NULL);
s3c_fb_set_platdata(&smdk6410_lcd_pdata);
+ s3c_usbphy_set_platdata(&smdk6410_usbphy_pdata);
samsung_keypad_set_platdata(&smdk6410_keypad_data);
diff --git a/arch/arm/mach-s3c64xx/setup-usb-phy.c b/arch/arm/mach-s3c64xx/setup-usb-phy.c
index 7a09553..3aee778 100644
--- a/arch/arm/mach-s3c64xx/setup-usb-phy.c
+++ b/arch/arm/mach-s3c64xx/setup-usb-phy.c
@@ -9,3 +9,17 @@
*
*/
+#include <linux/io.h>
+#include <mach/map.h>
+#include <mach/regs-sys.h>
+
+void s5p_usb_phy_pmu_isolation(int on)
+{
+ if (on) {
+ writel(readl(S3C64XX_OTHERS) & ~S3C64XX_OTHERS_USBMASK,
+ S3C64XX_OTHERS);
+ } else {
+ writel(readl(S3C64XX_OTHERS) | S3C64XX_OTHERS_USBMASK,
+ S3C64XX_OTHERS);
+ }
+}
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 74e31ce..10bc2bf 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -1343,6 +1343,35 @@ struct platform_device s5p_device_mixer = {
/* USB */
+#ifdef CONFIG_S3C_DEV_USB_HSOTG
+/* USB PHY*/
+static struct resource s3c_usbphy_resource[] = {
+ [0] = {
+ .start = S3C_PA_USB_PHY,
+ .end = S3C_PA_USB_PHY + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device s3c_device_usbphy = {
+ .name = "s3c64xx-usbphy",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s3c_usbphy_resource),
+ .resource = s3c_usbphy_resource,
+};
+
+void __init s3c_usbphy_set_platdata(struct s3c_usbphy_plat *pd)
+{
+ struct s3c_usbphy_plat *npd;
+
+ npd = s3c_set_platdata(pd, sizeof(struct s3c_usbphy_plat),
+ &s3c_device_usbphy);
+
+ if (!npd->pmu_isolation)
+ npd->pmu_isolation = s5p_usb_phy_pmu_isolation;
+}
+#endif
+
#ifdef CONFIG_S3C_DEV_USB_HOST
static struct resource s3c_usb_resource[] = {
[0] = DEFINE_RES_MEM(S3C_PA_USBHOST, SZ_256),
@@ -1449,6 +1478,8 @@ struct platform_device s3c_device_usb_hsotg = {
},
};
+#ifndef CONFIG_ARCH_S3C64XX
+/* TODO: To be removed later. Currently only S3C64XX is platform data free */
void __init s3c_hsotg_set_platdata(struct s3c_hsotg_plat *pd)
{
struct s3c_hsotg_plat *npd;
@@ -1461,6 +1492,7 @@ void __init s3c_hsotg_set_platdata(struct s3c_hsotg_plat *pd)
if (!npd->phy_exit)
npd->phy_exit = s5p_usb_phy_exit;
}
+#endif
#endif /* CONFIG_S3C_DEV_USB_HSOTG */
/* USB High Spped 2.0 Device (Gadget) */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 5da4b4f..abc6942 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -71,6 +71,7 @@ extern struct platform_device s3c_device_spi1;
extern struct platform_device s3c_device_ts;
extern struct platform_device s3c_device_timer[];
extern struct platform_device s3c_device_usbgadget;
+extern struct platform_device s3c_device_usbphy;
extern struct platform_device s3c_device_usb_hsotg;
extern struct platform_device s3c_device_usb_hsudc;
extern struct platform_device s3c_device_wdt;
diff --git a/arch/arm/plat-samsung/include/plat/usb-phy.h b/arch/arm/plat-samsung/include/plat/usb-phy.h
index 959bcdb..165ffe7 100644
--- a/arch/arm/plat-samsung/include/plat/usb-phy.h
+++ b/arch/arm/plat-samsung/include/plat/usb-phy.h
@@ -18,5 +18,6 @@ enum s5p_usb_phy_type {
extern int s5p_usb_phy_init(struct platform_device *pdev, int type);
extern int s5p_usb_phy_exit(struct platform_device *pdev, int type);
+extern void s5p_usb_phy_pmu_isolation(int on);
#endif /* __PLAT_SAMSUNG_USB_PHY_H */
--
1.7.1
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