linux-kernel - [PATCH 4/7] ARM: dts: stm32: add sdmmc1 support on stm32h743i disco board

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Message-ID: <1551430068-9456-5-git-send-email-ludovic.Barre@st.com>
Date:   Fri, 1 Mar 2019 09:47:45 +0100
From:   Ludovic Barre <ludovic.Barre@...com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
CC:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Ludovic Barre <ludovic.barre@...com>
Subject: [PATCH  4/7] ARM: dts: stm32: add sdmmc1 support on stm32h743i disco board

From: Ludovic Barre <ludovic.barre@...com>

This patch adds sdmmc1 support on stm32h743i disco board.

Signed-off-by: Ludovic Barre <ludovic.barre@...com>
---
 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