[PATCH v2 09/11] ARM: dts: sun9i: Enable mmc0 on A80 Optimus Board

[Chen-Yu Tsai]

Enable the micro-sd slot on the A80 Optimus Board, which is connected to
mmc0. This adds the card-detect gpio and enables mmc0.

This patch also adds a 3V fixed regulator, which is the default I/O
voltage level.

Signed-off-by: Chen-Yu Tsai <wens at csie.org>
Signed-off-by: Andreas Färber <afaerber at suse.de>
---
 arch/arm/boot/dts/sun9i-a80-optimus.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
index 506948f..4c94aff 100644
--- a/arch/arm/boot/dts/sun9i-a80-optimus.dts
+++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
@@ -49,6 +49,7 @@
 
 /dts-v1/;
 /include/ "sun9i-a80.dtsi"
+/include/ "sunxi-common-regulators.dtsi"
 
 / {
 	model = "Merrii A80 Optimus Board";
@@ -59,6 +60,16 @@
 	};
 
 	soc {
+		mmc0: mmc at 01c0f000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>;
+			vmmc-supply = <&reg_vcc3v0>;
+			bus-width = <4>;
+			cd-gpios = <&pio 7 18 0>; /* PH8 */
+			cd-inverted;
+			status = "okay";
+		};
+
 		pio: pinctrl at 06000800 {
 			i2c3_pins_a: i2c3 at 0 {
 				/* Enable internal pull-up */
@@ -72,6 +83,13 @@
 				allwinner,pull = <0>;
 			};
 
+			mmc0_cd_pin_optimus: mmc0_cd_pin at 0 {
+				allwinner,pins = "PH18";
+				allwinner,function = "gpio_in";
+				allwinner,drive = <0>;
+				allwinner,pull = <1>;
+			};
+
 			uart4_pins_a: uart4 at 0 {
 				/* Enable internal pull-up */
 				allwinner,pull = <1>;
-- 
2.1.3