On Fri, Aug 10, 2012 at 12:24 PM, Anton Tikhomirov <av.tikhomirov@xxxxxxxxxxx> wrote: > Hi Praveen, > >> -----Original Message----- >> From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb- >> owner@xxxxxxxxxxxxxxx] On Behalf Of Praveen Paneri >> Sent: Wednesday, August 08, 2012 4:41 PM >> To: linux-usb@xxxxxxxxxxxxxxx >> Cc: devicetree-discuss@xxxxxxxxxxxxxxxx; linux-arm- >> kernel@xxxxxxxxxxxxxxxxxxx; linux-samsung-soc@xxxxxxxxxxxxxxx; >> kgene.kim@xxxxxxxxxxx; balbi@xxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx; >> thomas.abraham@xxxxxxxxxx; ben-linux@xxxxxxxxx; >> broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx; l.majewski@xxxxxxxxxxx; >> kyungmin.park@xxxxxxxxxxx; grant.likely@xxxxxxxxxxxx; heiko@xxxxxxxxx >> Subject: [PATCH v3 4/5] ARM: S3C64XX: Enabling samsung-usbphy driver >> >> Adding platform device for samsung-usbphy driver. Enabling it for >> s3c64xx based machines using s3c-hsotg. >> >> Signed-off-by: Praveen Paneri <p.paneri@xxxxxxxxxxx> >> --- >> arch/arm/mach-s3c64xx/include/mach/map.h | 2 + >> arch/arm/mach-s3c64xx/mach-crag6410.c | 4 +++ >> arch/arm/mach-s3c64xx/mach-smartq.c | 5 ++++ >> arch/arm/mach-s3c64xx/mach-smdk6410.c | 4 +++ >> arch/arm/mach-s3c64xx/setup-usb-phy.c | 14 +++++++++++ >> arch/arm/plat-samsung/devs.c | 33 > ++++++++++++++++++++++++++ >> arch/arm/plat-samsung/include/plat/devs.h | 1 + >> arch/arm/plat-samsung/include/plat/usb-phy.h | 1 + >> 8 files changed, 64 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 b0f5baf..fa02e2f 100644 >> --- a/arch/arm/mach-s3c64xx/mach-crag6410.c >> +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c >> @@ -31,6 +31,7 @@ >> #include <linux/spi/spi.h> >> >> #include <linux/i2c/pca953x.h> >> +#include <linux/platform_data/samsung-usbphy.h> >> >> #include <video/platform_lcd.h> >> >> @@ -336,6 +337,7 @@ static struct platform_device wallvdd_device = { >> }; >> >> static struct platform_device *crag6410_devices[] __initdata = { >> + &samsung_device_usbphy, >> &s3c_device_hsmmc0, >> &s3c_device_hsmmc2, >> &s3c_device_i2c0, >> @@ -765,6 +767,7 @@ static const struct gpio_led_platform_data >> gpio_leds_pdata = { >> .num_leds = ARRAY_SIZE(gpio_leds), >> }; >> >> +static struct samsung_usbphy_data crag6410_usbphy_pdata; > > Why don't you use __initdata for this structure? It will be duplicated > in s3c_set_platdata() and we don't need it in memory after booting. > I think you can even initialize it here (with s5p_usb_phy_pmu_isolation). Thanks! will change it. Praveen > >> >> static void __init crag6410_machine_init(void) >> { >> @@ -790,6 +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); >> + samsung_usbphy_set_pdata(&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 7400da1..e0c4df8 100644 >> --- a/arch/arm/mach-s3c64xx/mach-smartq.c >> +++ b/arch/arm/mach-s3c64xx/mach-smartq.c >> @@ -18,6 +18,7 @@ >> #include <linux/serial_core.h> >> #include <linux/spi/spi_gpio.h> >> #include <linux/usb/gpio_vbus.h> >> +#include <linux/platform_data/samsung-usbphy.h> >> >> #include <asm/mach-types.h> >> #include <asm/mach/map.h> >> @@ -234,6 +235,7 @@ static struct i2c_board_info smartq_i2c_devs[] >> __initdata = { >> }; >> >> static struct platform_device *smartq_devices[] __initdata = { >> + &samsung_device_usbphy, >> &s3c_device_hsmmc1, /* Init iNAND first, ... */ >> &s3c_device_hsmmc0, /* ... then the external SD card */ >> &s3c_device_hsmmc2, >> @@ -380,9 +382,12 @@ void __init smartq_map_io(void) >> smartq_lcd_mode_set(); >> } >> >> +static struct samsung_usbphy_data smartq_usbphy_pdata; > > Same here > >> + >> void __init smartq_machine_init(void) >> { >> s3c_i2c0_set_platdata(NULL); >> + samsung_usbphy_set_pdata(&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 cbdc91b..8d40511 100644 >> --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c >> +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c >> @@ -30,6 +30,7 @@ >> #include <linux/regulator/fixed.h> >> #include <linux/regulator/machine.h> >> #include <linux/pwm_backlight.h> >> +#include <linux/platform_data/samsung-usbphy.h> >> >> #ifdef CONFIG_SMDK6410_WM1190_EV1 >> #include <linux/mfd/wm8350/core.h> >> @@ -263,6 +264,7 @@ static struct samsung_keypad_platdata >> smdk6410_keypad_data __initdata = { >> static struct map_desc smdk6410_iodesc[] = {}; >> >> static struct platform_device *smdk6410_devices[] __initdata = { >> + &samsung_device_usbphy, >> #ifdef CONFIG_SMDK6410_SD_CH0 >> &s3c_device_hsmmc0, >> #endif >> @@ -626,6 +628,7 @@ static struct platform_pwm_backlight_data >> smdk6410_bl_data = { >> .pwm_id = 1, >> }; >> >> +static struct samsung_usbphy_data smdk6410_usbphy_pdata; > > Same here > >> >> static void __init smdk6410_map_io(void) >> { >> @@ -655,6 +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); >> + samsung_usbphy_set_pdata(&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..a094143 100644 >> --- a/arch/arm/plat-samsung/devs.c >> +++ b/arch/arm/plat-samsung/devs.c >> @@ -31,6 +31,7 @@ >> #include <linux/ioport.h> >> #include <linux/platform_data/s3c-hsudc.h> >> #include <linux/platform_data/s3c-hsotg.h> >> +#include <linux/platform_data/samsung-usbphy.h> >> >> #include <asm/irq.h> >> #include <asm/pmu.h> >> @@ -1343,6 +1344,35 @@ struct platform_device s5p_device_mixer = { >> >> /* USB */ >> >> +#ifdef CONFIG_S3C_DEV_USB_HSOTG >> +/* USB PHY*/ >> +static struct resource samsung_usbphy_resource[] = { >> + [0] = { >> + .start = S3C_PA_USB_PHY, >> + .end = S3C_PA_USB_PHY + SZ_16 - 1, >> + .flags = IORESOURCE_MEM, >> + }, >> +}; >> + >> +struct platform_device samsung_device_usbphy = { >> + .name = "s3c64xx-usbphy", >> + .id = -1, >> + .num_resources = ARRAY_SIZE(samsung_usbphy_resource), >> + .resource = samsung_usbphy_resource, >> +}; >> + >> +void __init samsung_usbphy_set_pdata(struct samsung_usbphy_data *pd) >> +{ >> + struct samsung_usbphy_data *npd; >> + >> + npd = s3c_set_platdata(pd, sizeof(struct samsung_usbphy_data), >> + &samsung_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 +1479,8 @@ 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 +1493,7 @@ 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..3849c88 100644 >> --- a/arch/arm/plat-samsung/include/plat/devs.h >> +++ b/arch/arm/plat-samsung/include/plat/devs.h >> @@ -138,6 +138,7 @@ extern struct platform_device exynos_device_drm; >> extern struct platform_device samsung_asoc_dma; >> extern struct platform_device samsung_asoc_idma; >> extern struct platform_device samsung_device_keypad; >> +extern struct platform_device samsung_device_usbphy; >> >> /* s3c2440 specific devices */ >> >> 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 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-usb" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html