From: Patrice Chotard <patrice.chotard@xxxxxx>
Adds SDIO related DT nodes for stm32f769-disco board.
broken-cd property is needed as it misses a pullup on board
(resistor R76 is missing).
Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxx>
---
arch/arm/boot/dts/stm32f769-disco.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f769-disco.dts b/arch/arm/boot/dts/stm32f769-disco.dts
index 9dba286c6d2f..2d922b5d4766 100644
--- a/arch/arm/boot/dts/stm32f769-disco.dts
+++ b/arch/arm/boot/dts/stm32f769-disco.dts
@@ -44,6 +44,7 @@
#include "stm32f746.dtsi"
#include "stm32f769-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
/ {
model = "STMicroelectronics STM32F769-DISCO board";
@@ -62,6 +63,12 @@
serial0 = &usart1;
};
+ mmc_vcard: mmc_vcard {
+ compatible = "regulator-fixed";
+ regulator-name = "mmc_vcard";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
&cec {
@@ -74,6 +81,18 @@
clock-frequency = <25000000>;
};
+&sdio2 {
+ status = "okay";
+ vmmc-supply = <&mmc_vcard>;
+ cd-gpios = <&gpioi 15 GPIO_ACTIVE_HIGH>;
+ cd-inverted;
+ broken-cd;
+ pinctrl-names = "default", "opendrain";
+ pinctrl-0 = <&sdio_pins_b>;
+ pinctrl-1 = <&sdio_pins_od_b>;
+ bus-width = <4>;
+};
+
&usart1 {
pinctrl-0 = <&usart1_pins_a>;
pinctrl-names = "default";
--
1.9.1
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