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

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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: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Patrice Chotard 2018-02-27 10:35:43 +01:00 committed by Alexandre Torgue
parent e888a32c71
commit 64348d9f93
1 changed files with 20 additions and 0 deletions
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20
arch/arm/boot/dts/stm32f469-disco.dts
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@ -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 @@ aliases {
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 @@ timer@2 {
};
};
&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";