From: Ludovic Barre <ludovic.barre@xxxxxx>
This patch adds sdmmc1 support on stm32h743i disco board.
Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx>
---
arch/arm/boot/dts/stm32h743i-disco.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/stm32h743i-disco.dts b/arch/arm/boot/dts/stm32h743i-disco.dts
index 45e088c..1aeb5be 100644
--- a/arch/arm/boot/dts/stm32h743i-disco.dts
+++ b/arch/arm/boot/dts/stm32h743i-disco.dts
@@ -60,12 +60,32 @@
aliases {
serial0 = &usart2;
};
+
+ v3v3: regulator-v3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "v3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
};
&clk_hse {
clock-frequency = <25000000>;
};
+&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";
+};
+
&usart2 {
pinctrl-0 = <&usart2_pins>;
pinctrl-names = "default";
--
2.7.4
