Messages in this thread Patch in this message | | | From | Vivek Gautam <> | Subject | [PATCH 1/2] ARM: dts: Enable USB 3503 hub on exynos5250-snow | Date | Mon, 5 May 2014 18:00:55 +0530 |
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The exynos5250-snow has a SMSC USB3503 connected in hardware only mode like a PHY. Enable support for it, and add necessary 'reset-gpio' for it.
This is in correspondance to similar patch by Mark Brown 7c1b0ec ARM: dts: Enable USB hub on Arndale
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> ---
Based on 'for-next' branch of kgene's linux-samsung tree.
arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 7 +++++++ arch/arm/boot/dts/exynos5250-snow.dts | 14 ++++++++++++++ 2 files changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi index 9a49e68..bd8c8f1 100644 --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi @@ -706,6 +706,13 @@ samsung,pin-pud = <0>; samsung,pin-drv = <0>; }; + + usb_hub_reset: usb-hub-reset { + samsung,pins = "gpe1-0"; + samsung,pin-function = <1>; + samsung,pin-pud = <0>; + samsung,pin-drv = <0>; + }; }; pinctrl@10d10000 { diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts index 1ce1088..2e48f27 100644 --- a/arch/arm/boot/dts/exynos5250-snow.dts +++ b/arch/arm/boot/dts/exynos5250-snow.dts @@ -200,6 +200,20 @@ samsung,vbus-gpio = <&gpx1 1 0>; }; + usb_hub_bus { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + // SMSC USB3503 connected in hardware only mode as a PHY + usb_hub { + compatible = "smsc,usb3503a"; + reset-gpios = <&gpe1 0 1>; + pinctrl-0 = <&usb_hub_reset>; + pinctrl-names = "default"; + }; + }; + fixed-rate-clocks { xxti { compatible = "samsung,clock-xxti"; -- 1.7.10.4
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