Re: [PATCH] ARM: dts: stm32: Disable PHY clock output on DH STM32MP13xx DHCOR DHSBC board

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Hi Marek

On 7/5/24 10:01, Marek Vasut wrote:
The RTL8211F PHY clock output is not used on DH STM32MP13xx DHCOR DHSBC
board, disable it to improve EMI characteristics.

Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Alexandre Torgue <alexandre.torgue@xxxxxxxxxxx>
Cc: Christophe Roullier <christophe.roullier@xxxxxxxxxxx>
Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: kernel@xxxxxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
---
  arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts b/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
index 3cc9ad88d61bc..425deb5641c17 100644
--- a/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
+++ b/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
@@ -96,6 +96,7 @@ ethphy1: ethernet-phy@1 {
  			interrupt-parent = <&gpiog>;
  			interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
  			reg = <1>;
+			realtek,clkout-disable;
  			reset-assert-us = <15000>;
  			reset-deassert-us = <55000>;
  			reset-gpios = <&gpioa 11 GPIO_ACTIVE_LOW>;
@@ -125,6 +126,7 @@ ethphy2: ethernet-phy@1 {
  			interrupt-parent = <&gpiog>;
  			interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
  			reg = <1>;
+			realtek,clkout-disable;
  			reset-assert-us = <15000>;
  			reset-deassert-us = <55000>;
  			reset-gpios = <&gpiog 8 GPIO_ACTIVE_LOW>;

Applied on stm32-next.

Regards
Alex




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