Commit 64348d9f authored by Patrice Chotard's avatar Patrice Chotard Committed by Alexandre Torgue
Browse files

ARM: dts: stm32: Enable SDIO controller on stm32f469 disco board



This patch adds SDIO-related DT nodes required by stm32f469 board

There is a hardware issue on these boards, it misses a pullup on
the GPIO line used as card detect to allow correct SD card
detection. To allow correct card detection "broken-cd" property
is used.

Signed-off-by: default avatarAndrea Merello <andrea.merello@gmail.com>
Signed-off-by: default avatarAlexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: default avatarPatrice Chotard <patrice.chotard@st.com>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@st.com>
parent e888a32c
Loading
Loading
Loading
Loading
+20 −0
Original line number Diff line number Diff line
@@ -48,6 +48,7 @@
/dts-v1/;
#include "stm32f429.dtsi"
#include "stm32f469-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "STMicroelectronics STM32F469i-DISCO board";
@@ -66,6 +67,13 @@
		serial0 = &usart3;
	};

	mmc_vcard: mmc_vcard {
		compatible = "regulator-fixed";
		regulator-name = "mmc_vcard";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	soc {
		dma-ranges = <0xc0000000 0x0 0x10000000>;
	};
@@ -120,6 +128,18 @@
	};
};

&sdio {
	status = "okay";
	vmmc-supply = <&mmc_vcard>;
	cd-gpios = <&gpiog 2 GPIO_ACTIVE_HIGH>;
	cd-inverted;
	broken-cd;
	pinctrl-names = "default", "opendrain";
	pinctrl-0 = <&sdio_pins>;
	pinctrl-1 = <&sdio_pins_od>;
	bus-width = <4>;
};

&usart3 {
	pinctrl-0 = <&usart3_pins_a>;
	pinctrl-names = "default";