From: Balaji T K <balajitk@xxxxxx>
enable sd card slot on am437x-gp-evm
Signed-off-by: Balaji T K <balajitk@xxxxxx>
Signed-off-by: Mugunthan V N <mugunthanvnm@xxxxxx>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 4eb72b8..df8798e 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -19,6 +19,14 @@
model = "TI AM437x GP EVM";
compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";
+ vmmcsd_fixed: fixedregulator-sd {
+ compatible = "regulator-fixed";
+ regulator-name = "vmmcsd_fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ };
+
backlight {
compatible = "pwm-backlight";
pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
@@ -62,6 +70,12 @@
>;
};
+ mmc1_pins: pinmux_mmc1_pins {
+ pinctrl-single,pins = <
+ 0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
+ >;
+ };
+
ecap0_pins: backlight_pins {
pinctrl-single,pins = <
0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
@@ -91,6 +105,10 @@
pinctrl-0 = <&ecap0_pins>;
};
+&gpio0 {
+ status = "okay";
+};
+
&gpio3 {
status = "okay";
};
@@ -98,3 +116,12 @@
&gpio4 {
status = "okay";
};
+
+&mmc1 {
+ status = "okay";
+ vmmc-supply = <&vmmcsd_fixed>;
+ bus-width = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc1_pins>;
+ cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+};
--
1.9.0
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