[PATCH 08/14] ARM: dts: stm32: Enable SDIO controller on stm32f469 disco board
From: <hidden>
Date: 2018-01-12 12:18:29
Also in:
linux-arm-kernel, linux-clk, linux-devicetree, linux-mmc, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Andrea Merello <redacted> 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 <redacted> Signed-off-by: Alexandre TORGUE <redacted> Signed-off-by: Patrice Chotard <redacted> --- arch/arm/boot/dts/stm32f469-disco.dts | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
index 318fb12..ebb97c3 100644
--- a/arch/arm/boot/dts/stm32f469-disco.dts
+++ b/arch/arm/boot/dts/stm32f469-disco.dts@@ -66,6 +66,13 @@ 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 +127,18 @@ }; }; +&sdio { + status = "okay"; + vmmc-supply = <&mmc_vcard>; + cd-gpios = <&gpiog 2 0>; + 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";
--
1.9.1