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ARM: dts: stm32: add disable-wp property for SD-card on STM32MP1 boards 

On STM32MP1 DK1, DK2, ED1 and EV1 boards, there is only a micro SD socket.
This is also the case on Avenger board.
They don't support the Write Protect pin.
The disable-wp is then added in the SD-cards sdmmc1 nodes.
This avoids executing some code and a warning during driver probe.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Yann Gautier 2020-03-04 09:09:55 +01:00 committed by Alexandre Torgue
parent 877db62ea5
commit 79e9650538
3 changed files with 3 additions and 0 deletions
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1
arch/arm/boot/dts/stm32mp157a-avenger96.dts
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@ -293,6 +293,7 @@
pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
cd-gpios = <&gpioi 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
disable-wp;
st,sig-dir;
st,neg-edge;
st,use-ckin;

1
arch/arm/boot/dts/stm32mp157c-ed1.dts
View File

@ -313,6 +313,7 @@
pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
cd-gpios = <&gpiog 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
disable-wp;
st,sig-dir;
st,neg-edge;
st,use-ckin;

1
arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
View File

@ -479,6 +479,7 @@
pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
cd-gpios = <&gpiob 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
disable-wp;
st,neg-edge;
bus-width = <4>;
vmmc-supply = <&v3v3>;