[PATCH v7 5/5] ARM: Exynos4210: Enabling samsung-usbphy driver
From: Praveen Paneri <hidden>
Date: 2012-10-30 04:57:37
Also in:
linux-devicetree, linux-samsung-soc
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Adding usbphy node for Exynos4210 along with the platform data. Signed-off-by: Praveen Paneri <redacted> --- arch/arm/boot/dts/exynos4210-smdkv310.dts | 5 +++++ arch/arm/mach-exynos/include/mach/map.h | 1 + arch/arm/mach-exynos/mach-exynos4-dt.c | 8 ++++++++ arch/arm/mach-exynos/setup-usb-phy.c | 13 +++++++++++++ 4 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts
index 63610c3..f59e255 100644
--- a/arch/arm/boot/dts/exynos4210-smdkv310.dts
+++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts@@ -43,6 +43,11 @@ status = "okay"; }; + usbphy at 125B0000 { + compatible = "samsung,exynos4210-usbphy"; + reg = <0x125B0000 0x100>; + }; + keypad at 100A0000 { samsung,keypad-num-rows = <2>; samsung,keypad-num-columns = <8>;
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 8480849..9694424 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h@@ -242,6 +242,7 @@ #define S3C_PA_SPI1 EXYNOS4_PA_SPI1 #define S3C_PA_SPI2 EXYNOS4_PA_SPI2 #define S3C_PA_USB_HSOTG EXYNOS4_PA_HSOTG +#define S3C_PA_USB_PHY EXYNOS4_PA_HSPHY #define S5P_PA_EHCI EXYNOS4_PA_EHCI #define S5P_PA_FIMC0 EXYNOS4_PA_FIMC0
diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c
index e58d786..a9e0a0d 100644
--- a/arch/arm/mach-exynos/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos4-dt.c@@ -13,6 +13,7 @@ #include <linux/of_platform.h> #include <linux/serial_core.h> +#include <linux/platform_data/samsung-usbphy.h> #include <asm/mach/arch.h> #include <asm/hardware/gic.h>
@@ -20,9 +21,14 @@ #include <plat/cpu.h> #include <plat/regs-serial.h> +#include <plat/usb-phy.h> #include "common.h" +static struct samsung_usbphy_data exynos4_usbphy_pdata = { + .pmu_isolation = s5p_usb_phy_pmu_isolation, +}; + /* * The following lookup table is used to override device names when devices * are registered from device tree. This is temporarily added to enable
@@ -77,6 +83,8 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = { "exynos4210-spi.2", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA0, "dma-pl330.0", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-usbphy", EXYNOS4_PA_HSPHY, + "s3c-usbphy", &exynos4_usbphy_pdata), {}, };
diff --git a/arch/arm/mach-exynos/setup-usb-phy.c b/arch/arm/mach-exynos/setup-usb-phy.c
index b81cc56..1c62d20 100644
--- a/arch/arm/mach-exynos/setup-usb-phy.c
+++ b/arch/arm/mach-exynos/setup-usb-phy.c@@ -221,3 +221,16 @@ int s5p_usb_phy_exit(struct platform_device *pdev, int type) return -EINVAL; } + +void s5p_usb_phy_pmu_isolation(int on) +{ + if (on) { + writel(readl(S5P_USBDEVICE_PHY_CONTROL) + & ~S5P_USBDEVICE_PHY_ENABLE, + S5P_USBDEVICE_PHY_CONTROL); + } else { + writel(readl(S5P_USBDEVICE_PHY_CONTROL) + | S5P_USBDEVICE_PHY_ENABLE, + S5P_USBDEVICE_PHY_CONTROL); + } +}
--
1.7.1