[PATCH v4 7/9] ARM: dts: sun9i: Enable mmc0 on A80 Optimus Board

Chen-Yu Tsai
2015-01-17T05:19:32Z

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

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 d4f3866a8d0b..5c9505a724d4 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"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/sun4i-a10.h>
@@ -100,6 +101,23 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
+
+ mmc0_cd_pin_optimus: mmc0_cd_pin at 0 {
+ allwinner,pins = "PH18";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>;
+ vmmc-supply = <&reg_vcc3v0>;
+ bus-width = <4>;
+ cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH8 */
+ cd-inverted;
+ status = "okay";
};

&uart0 {
--
2.1.4