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Subject[PATCH 2/7] ARM: dts: stm32: fix slew-rate of USART2 on stm32mp15xx-dkx
Date
On stm32mp15xx-dkx boards:
- Fix slew-rate of USART 2 to 0 like other USARTs, because frequency of
USART pins doesn't exceed 10Mhz.

Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
---
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index a9d2bec99014..af5ce19794e3 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -2163,7 +2163,7 @@ pins1 {
<STM32_PINMUX('D', 4, AF7)>; /* USART2_RTS */
bias-disable;
drive-push-pull;
- slew-rate = <3>;
+ slew-rate = <0>;
};
pins2 {
pinmux = <STM32_PINMUX('D', 6, AF7)>, /* USART2_RX */
@@ -2181,7 +2181,7 @@ pins2 {
pinmux = <STM32_PINMUX('D', 4, AF7)>; /* USART2_RTS */
bias-disable;
drive-push-pull;
- slew-rate = <3>;
+ slew-rate = <0>;
};
pins3 {
pinmux = <STM32_PINMUX('D', 6, AF7)>; /* USART2_RX */
--
2.25.1
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