ARM: olinuxino: Add gpio-led support

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@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
index a28687303e49..711dcf5742b6 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@80018000 {
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&hog_pins_a>;
+
+                                hog_pins_a: hog@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@80040000 {
@@ -47,4 +62,14 @@
                         };
                 };
         };
+
+        leds {
+                compatible = "gpio-leds";
+
+                user {
+                        label = "green";
+                        gpios = <&gpio2 1 0>;
+                        linux,default-trigger = "default-on";
+                };
+        };
 };