linux-kernel - [PATCH v2 2/6] ARM: dts: stm32: Enable sdio1 for stm32f746-disco

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Date:   Thu, 1 Mar 2018 11:53:39 +0100
From:   <patrice.chotard@...com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux@...linux.org.uk>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <alexandre.torgue@...com>, <lee.jones@...aro.org>
CC:     <mcoquelin.stm32@...il.com>,
        Patrice Chotard <patrice.chotard@...com>
Subject: [PATCH v2 2/6] ARM: dts: stm32: Enable sdio1 for stm32f746-disco

From: Patrice Chotard <patrice.chotard@...com>

Adds SDIO related DT nodes for stm32f746-disco board.

Signed-off-by: Patrice Chotard <patrice.chotard@...com>
---

v2: _ rename sdio_pins / sdio_od_pins to sdio_pins_a / sdio_od_pins_a 

 arch/arm/boot/dts/stm32f746-disco.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
index 623b6f2bc361..be94c6ad7e94 100644
--- a/arch/arm/boot/dts/stm32f746-disco.dts
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -44,6 +44,7 @@
 #include "stm32f746.dtsi"
 #include "stm32f746-pinctrl.dtsi"
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "STMicroelectronics STM32F746-DISCO board";
@@ -76,12 +77,30 @@
 		regulator-name = "vcc5_host1";
 		regulator-always-on;
 	};
+
+	mmc_vcard: mmc_vcard {
+		compatible = "regulator-fixed";
+		regulator-name = "mmc_vcard";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
 
 &clk_hse {
 	clock-frequency = <25000000>;
 };
 
+&sdio1 {
+	status = "okay";
+	vmmc-supply = <&mmc_vcard>;
+	cd-gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+	pinctrl-names = "default", "opendrain";
+	pinctrl-0 = <&sdio_pins_a>;
+	pinctrl-1 = <&sdio_pins_od_a>;
+	bus-width = <4>;
+};
+
 &usart1 {
 	pinctrl-0 = <&usart1_pins_b>;
 	pinctrl-names = "default";
-- 
1.9.1