From ce4c6f9b5987ac9402788c518bc5bd8b8572aa1e Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Fri, 4 May 2012 14:32:35 +0800 Subject: ARM: mxs: add gpio support for device tree boot It adds gpio support for device tree boot. Signed-off-by: Shawn Guo Acked-by: Linus Walleij --- arch/arm/boot/dts/imx23.dtsi | 35 ++++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) (limited to 'arch/arm/boot/dts/imx23.dtsi') diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index a85ef5514747..26220550f2f8 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -14,6 +14,12 @@ / { interrupt-parent = <&icoll>; + aliases { + gpio0 = &gpio0; + gpio1 = &gpio1; + gpio2 = &gpio2; + }; + cpus { cpu@0 { compatible = "arm,arm926ejs"; @@ -74,9 +80,36 @@ pinctrl@80018000 { #address-cells = <1>; #size-cells = <0>; - compatible = "fsl,imx23-pinctrl"; + compatible = "fsl,imx23-pinctrl", "simple-bus"; reg = <0x80018000 2000>; + gpio0: gpio@0 { + compatible = "fsl,imx23-gpio", "fsl,mxs-gpio"; + interrupts = <16>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio1: gpio@1 { + compatible = "fsl,imx23-gpio", "fsl,mxs-gpio"; + interrupts = <17>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio2: gpio@2 { + compatible = "fsl,imx23-gpio", "fsl,mxs-gpio"; + interrupts = <18>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + duart_pins_a: duart@0 { reg = <0>; fsl,pinmux-ids = <0x11a2 0x11b2>; -- cgit v1.2.3