ARM: dts: sun7i: Enable mmc controller on various A20 boards

The cd pin settings have been taken from the original firmware fex files,
and have been confirmed to work on the actual boards.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index eeadf76362fa..1bfef12cf9d1 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -31,6 +31,24 @@
 			status = "okay";
 		};
 
+		mmc0: mmc@01c0f000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+			bus-width = <4>;
+			cd-gpios = <&pio 7 1 0>; /* PH1 */
+			cd-inverted;
+			status = "okay";
+		};
+
+		mmc3: mmc@01c12000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
+			bus-width = <4>;
+			cd-gpios = <&pio 7 11 0>; /* PH11 */
+			cd-inverted;
+			status = "okay";
+		};
+
 		usbphy: phy@01c13400 {
 			usb1_vbus-supply = <&reg_usb1_vbus>;
 			usb2_vbus-supply = <&reg_usb2_vbus>;
@@ -65,6 +83,13 @@
 		};
 
 		pinctrl@01c20800 {
+			mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
+				allwinner,pins = "PH11";
+				allwinner,function = "gpio_in";
+				allwinner,drive = <0>;
+				allwinner,pull = <1>;
+			};
+
 			led_pins_olinuxino: led_pins@0 {
 				allwinner,pins = "PH2";
 				allwinner,function = "gpio_out";