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

Chen-Yu Tsai
2014-12-18T07:00:56Z

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@csie.org>
Signed-off-by: Andreas F?rber <afaerber@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