[PATCH 7/7] ARM: dts: stm32: add sdmmc1 support on stm32mp157a dk1 board

From: Ludovic Barre
Date: Fri Mar 01 2019 - 03:48:54 EST


From: Ludovic Barre <ludovic.barre@xxxxxx>

This patch adds sdmmc1 support on stm32mp157a dk1 board.

Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx>
---
arch/arm/boot/dts/stm32mp157a-dk1.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index 873a80e..e774a34 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -36,6 +36,14 @@
default-state = "off";
};
};
+
+ v3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "v3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
};

&ethernet0 {
@@ -70,6 +78,18 @@
status = "okay";
};

+&sdmmc1 {
+ pinctrl-names = "default", "opendrain", "sleep";
+ pinctrl-0 = <&sdmmc1_b4_pins_a>;
+ pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+ pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+ broken-cd;
+ st,neg-edge;
+ bus-width = <4>;
+ vmmc-supply = <&v3v3>;
+ status = "okay";
+};
+
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&uart4_pins_a>;
--
2.7.4