From mboxrd@z Thu Jan 1 00:00:00 1970 From: Praveen Paneri Subject: [PATCH v8 3/3] ARM: EXYNOS: Enabling samsung-usbphy driver for EXYNOS4210 Date: Wed, 14 Nov 2012 16:15:38 +0530 Message-ID: <1352889938-17311-4-git-send-email-p.paneri@samsung.com> References: <1352889938-17311-1-git-send-email-p.paneri@samsung.com> Return-path: In-reply-to: <1352889938-17311-1-git-send-email-p.paneri@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: linux-samsung-soc@vger.kernel.org Cc: devicetree-discuss@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, kgene.kim@samsung.com, balbi@ti.com, gregkh@linuxfoundation.org, thomas.abraham@linaro.org, ben-linux@fluff.org, broonie@opensource.wolfsonmicro.com, l.majewski@samsung.com, kyungmin.park@samsung.com, grant.likely@secretlab.ca, heiko@sntech.de, t.figa@samsung.com, gautam.vivek@samsung.com List-Id: devicetree@vger.kernel.org Adding usbphy node for Exynos4210 along with the platform data. Signed-off-by: Praveen Paneri --- arch/arm/boot/dts/exynos4210-smdkv310.dts | 5 +++++ arch/arm/mach-exynos/Kconfig | 1 + 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 +++++++++++++ 5 files changed, 28 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts index 9b23a82..550903a 100644 --- a/arch/arm/boot/dts/exynos4210-smdkv310.dts +++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts @@ -59,6 +59,11 @@ status = "okay"; }; + usbphy@125B0000 { + compatible = "samsung,exynos4210-usbphy"; + reg = <0x125B0000 0x100>; + }; + keypad@100A0000 { samsung,keypad-num-rows = <2>; samsung,keypad-num-columns = <8>; diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index bb3b09a..315308c 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -410,6 +410,7 @@ config MACH_EXYNOS4_DT select PINCTRL select PINCTRL_EXYNOS4 select USE_OF + select EXYNOS4_SETUP_USB_PHY help Machine support for Samsung Exynos4 machine with device tree enabled. Select this if a fdt blob is available for the Exynos4 SoC based board. diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index ef4958b..e64fe1c 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -244,6 +244,7 @@ #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 8858068..f7887e5 100644 --- a/arch/arm/mach-exynos/mach-exynos4-dt.c +++ b/arch/arm/mach-exynos/mach-exynos4-dt.c @@ -13,6 +13,7 @@ #include #include +#include #include #include @@ -20,9 +21,14 @@ #include #include +#include #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 @@ -79,6 +85,8 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL), OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU, "exynos-tmu", 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