diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2018-02-27 12:35:43 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@st.com> | 2018-02-27 12:35:53 +0300 |
| commit | 64348d9f939fed776b5f0ae76b76169701ec51c9 (patch) | |
| tree | bfb84ab7766235ae1d8d036566b3783e3d7d6cda | |
| parent | e888a32c7172abbe0a3509a89e910d62152e857d (diff) | |
| download | linux-64348d9f939fed776b5f0ae76b76169701ec51c9.tar.xz | |
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: 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>
| -rw-r--r-- | arch/arm/boot/dts/stm32f469-disco.dts | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts index c18acbe4cf4e..611f9f281ee7 100644 --- a/arch/arm/boot/dts/stm32f469-disco.dts +++ b/arch/arm/boot/dts/stm32f469-disco.dts @@ -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"; |