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Subject[PATCH 3/6] ARM: dts: stm32: Enable sdio1 for stm32f746-eval
Date
From: Patrice Chotard <patrice.chotard@st.com>

Adds SDIO related DT nodes for stm32f746-eval board.

broken-cd property is needed as card detect signal is
connected to a GPIO expander which is not yet supported
in kernel linux.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---
arch/arm/boot/dts/stm32746g-eval.dts | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/arch/arm/boot/dts/stm32746g-eval.dts b/arch/arm/boot/dts/stm32746g-eval.dts
index b2d4b8c46677..63160199e39a 100644
--- a/arch/arm/boot/dts/stm32746g-eval.dts
+++ b/arch/arm/boot/dts/stm32746g-eval.dts
@@ -91,6 +91,13 @@
clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
clock-names = "main_clk";
};
+
+ mmc_vcard: mmc_vcard {
+ compatible = "regulator-fixed";
+ regulator-name = "mmc_vcard";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};

&clk_hse {
@@ -113,6 +120,16 @@
status = "okay";
};

+&sdio1 {
+ status = "okay";
+ vmmc-supply = <&mmc_vcard>;
+ broken-cd;
+ pinctrl-names = "default", "opendrain";
+ pinctrl-0 = <&sdio_pins>;
+ pinctrl-1 = <&sdio_pins_od>;
+ bus-width = <4>;
+};
+
&usart1 {
pinctrl-0 = <&usart1_pins_a>;
pinctrl-names = "default";
--
1.9.1
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