From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivek Gautam Subject: [PATCH v4 1/4] ARM: Exynos5250: Enabling ehci-s5p driver Date: Tue, 15 Jan 2013 19:08:29 +0530 Message-ID: <1358257112-19595-2-git-send-email-gautam.vivek@samsung.com> References: <1358257112-19595-1-git-send-email-gautam.vivek@samsung.com> Return-path: In-reply-to: <1358257112-19595-1-git-send-email-gautam.vivek@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-samsung-soc@vger.kernel.org Cc: devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, kgene.kim@samsung.com, grant.likely@secretlab.ca, dianders@chromium.org, jg1.han@samsung.com 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 Acked-by: Grant Likely --- .../devicetree/bindings/usb/exynos-usb.txt | 25 ++++++++++++++++++++ arch/arm/boot/dts/exynos5250-smdk5250.dts | 4 +++ arch/arm/boot/dts/exynos5250.dtsi | 6 ++++ 3 files changed, 35 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 942d576..7363e14 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -204,4 +204,8 @@ samsung,mfc-r = <0x43000000 0x800000>; samsung,mfc-l = <0x51000000 0x800000>; }; + + 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 30485de..2cbe53e 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -275,6 +275,12 @@ #size-cells = <0>; }; + usb@12110000 { + compatible = "samsung,exynos4210-ehci"; + reg = <0x12110000 0x100>; + interrupts = <0 71 0>; + }; + amba { #address-cells = <1>; #size-cells = <1>; -- 1.7.6.5