[PATCH 3/3] ARM: olinuxino: Add gpio-led support
Fabio Estevam
festevam at gmail.com
Wed Aug 22 12:25:33 EDT 2012
From: Fabio Estevam <fabio.estevam at freescale.com>
Olinuxino has a LED connected to MX23_PAD_SSP1_DETECT__GPIO_2_1 pin.
Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
arch/arm/boot/dts/imx23-olinuxino.dts | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
index a286873..711dcf5 100644
--- a/arch/arm/boot/dts/imx23-olinuxino.dts
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -31,6 +31,21 @@
bus-width = <4>;
status = "okay";
};
+
+ pinctrl at 80018000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hog_pins_a>;
+
+ hog_pins_a: hog at 0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x2013 /* MX23_PAD_SSP1_DETECT__GPIO_2_1 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
+ };
};
apbx at 80040000 {
@@ -47,4 +62,14 @@
};
};
};
+
+ leds {
+ compatible = "gpio-leds";
+
+ user {
+ label = "green";
+ gpios = <&gpio2 1 0>;
+ linux,default-trigger = "default-on";
+ };
+ };
};
--
1.7.9.5
More information about the linux-arm-kernel
mailing list