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ARM: dts: stm32: lxa-tac: drive powerboard lines as open-drain

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This results in a slight improvement in EMI performance due to the lines
no longer being driven by the somewhat noisy VDD_IO supply of the SoM.

Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Leonard Göhrs 2023-10-18 22:31:55 +02:00 committed by Alexandre Torgue
parent 6613476e22
commit 1d4e8b91d2
2 changed files with 2 additions and 2 deletions
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2
arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts
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@ -148,7 +148,7 @@ adc@0 {
compatible = "ti,lmp92064";
reg = <0>;
reset-gpios = <&gpioa 4 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpioa 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
shunt-resistor-micro-ohms = <15000>;
spi-max-frequency = <5000000>;
vdd-supply = <&reg_pb_3v3>;

2
arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi
View File

@ -409,7 +409,7 @@ &sdmmc2 {
&spi2 {
pinctrl-names = "default";
pinctrl-0 = <&spi2_pins_c>;
cs-gpios = <&gpiof 12 GPIO_ACTIVE_LOW>;
cs-gpios = <&gpiof 12 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
status = "okay";
};