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| author | Leonard Göhrs <l.goehrs@pengutronix.de> | 2023-10-18 22:31:55 +0200 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@foss.st.com> | 2024-01-24 11:06:47 +0100 |
| commit | 1d4e8b91d242c4afa1970ca6f7e850aab66bf452 (patch) | |
| tree | d2f3dd704c42441311988295715123036be22d71 /arch/arm | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
| download | linux-stable-1d4e8b91d242c4afa1970ca6f7e850aab66bf452.tar.gz linux-stable-1d4e8b91d242c4afa1970ca6f7e850aab66bf452.tar.bz2 linux-stable-1d4e8b91d242c4afa1970ca6f7e850aab66bf452.zip | |
ARM: dts: stm32: lxa-tac: drive powerboard lines as open-drain
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts | 2 | ||||
| -rw-r--r-- | arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts b/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts index 8a34d15e9005..4cc177031661 100644 --- a/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts +++ b/arch/arm/boot/dts/st/stm32mp157c-lxa-tac-gen2.dts @@ -148,7 +148,7 @@ 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 = <®_pb_3v3>; diff --git a/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi b/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi index fc3a2386dbb9..7e835a7cf64a 100644 --- a/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi +++ b/arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi @@ -409,7 +409,7 @@ baseboard_eeprom: &sip_eeprom { &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"; }; |