From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivek Gautam Subject: [PATCH v3 1/2] ARM: Exynos5250: Enabling ehci-s5p driver Date: Thu, 13 Dec 2012 22:06:01 +0530 Message-ID: <1355416562-25539-2-git-send-email-gautam.vivek@samsung.com> References: <1355416562-25539-1-git-send-email-gautam.vivek@samsung.com> Return-path: In-reply-to: <1355416562-25539-1-git-send-email-gautam.vivek@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, grant.likely@secretlab.ca, kgene.kim@samsung.com, jg1.han@samsung.com, thomas.abraham@linaro.org List-Id: devicetree@vger.kernel.org Adding EHCI device tree node for Exynos5250 along with the device base adress and gpio line for vbus. Signed-off-by: Vivek Gautam Acked-by: Jingoo Han --- .../devicetree/bindings/usb/exynos-usb.txt | 25 ++++++++++++++++++++ arch/arm/boot/dts/exynos5250-smdk5250.dts | 4 +++ arch/arm/boot/dts/exynos5250.dtsi | 6 ++++ arch/arm/mach-exynos/include/mach/map.h | 1 + arch/arm/mach-exynos/mach-exynos5-dt.c | 2 + 5 files changed, 38 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/usb/exynos-usb.txt diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt new file mode 100644 index 0000000..e8bbb47 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt @@ -0,0 +1,25 @@ +Samsung Exynos SoC USB controller + +The USB devices interface with USB controllers on Exynos SOCs. +The device node has following properties. + +EHCI +Required properties: + - compatible: should be "samsung,exynos4210-ehci" for USB 2.0 + EHCI controller in host mode. + - reg: physical base address of the controller and length of memory mapped + region. + - interrupts: interrupt number to the cpu. + +Optional properties: + - samsung,vbus-gpio: if present, specifies the GPIO that + needs to be pulled up for the bus to be powered. + +Example: + + usb@12110000 { + compatible = "samsung,exynos4210-ehci"; + reg = <0x12110000 0x100>; + interrupts = <0 71 0>; + samsung,vbus-gpio = <&gpx2 6 1 3 3>; + }; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 711b55f..f990086 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -218,4 +218,8 @@ i2s_2: i2s@12D70000 { status = "disabled"; }; + + usb@12110000 { + samsung,vbus-gpio = <&gpx2 6 1 3 3>; + }; }; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 581e57a..584bb9a 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -299,6 +299,12 @@ rx-dma-channel = <&pdma0 11>; /* preliminary */ }; + usb@12110000 { + compatible = "samsung,exynos4210-ehci"; + reg = <0x12110000 0x100>; + interrupts = <0 71 0>; + }; + amba { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index cbb2852..b2c662f 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -201,6 +201,7 @@ #define EXYNOS4_PA_EHCI 0x12580000 #define EXYNOS4_PA_OHCI 0x12590000 #define EXYNOS4_PA_HSPHY 0x125B0000 +#define EXYNOS5_PA_EHCI 0x12110000 #define EXYNOS4_PA_MFC 0x13400000 #define EXYNOS4_PA_UART 0x13800000 diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index 462e5ac..b3b9af1 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -110,6 +110,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { "samsung-i2s.1", NULL), OF_DEV_AUXDATA("samsung,samsung-i2s", 0x12D70000, "samsung-i2s.2", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-ehci", EXYNOS5_PA_EHCI, + "s5p-ehci", NULL), {}, }; -- 1.7.6.5