The DHCOM SoM uSD slot has an optional voltage level translator, add
DT bindings which permit the MMCI driver to detect the translator
automatically.
Signed-off-by: Marek Vasut <marex@xxxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Ludovic Barre <ludovic.barre@xxxxxx>
Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
---
V2: Rebase on next-20210122
---
arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index ff70bd03a017..661d8d071296 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -408,14 +408,19 @@ &rtc {
};
&sdmmc1 {
- pinctrl-names = "default", "opendrain", "sleep";
+ pinctrl-names = "default", "opendrain", "sleep", "init";
pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
+ pinctrl-3 = <&sdmmc1_b4_init_pins_a &sdmmc1_dir_init_pins_a>;
cd-gpios = <&gpiog 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
disable-wp;
st,sig-dir;
st,neg-edge;
+ st,use-ckin;
+ st,cmd-gpios = <&gpiod 2 0>;
+ st,ck-gpios = <&gpioc 12 0>;
+ st,ckin-gpios = <&gpioe 4 0>;
bus-width = <4>;
vmmc-supply = <&vdd_sd>;
status = "okay";
--
2.29.2
