[PATCH 2/3] ARM: dts: rzg1: Add missing Ethernet PHY resets

Geert Uytterhoeven geert+renesas at glider.be
Thu Sep 9 02:03:11 PDT 2021


Describe all Ethernet PHY reset GPIOs on RZ/G1 boards, to avoid relying
solely on boot loaders to bring PHYs out of reset.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
 arch/arm/boot/dts/r8a7743-sk-rzg1m.dts | 2 ++
 arch/arm/boot/dts/r8a7745-sk-rzg1e.dts | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7743-sk-rzg1m.dts b/arch/arm/boot/dts/r8a7743-sk-rzg1m.dts
index ce36cf404fa2b1c4..ff274bfcb6646ea7 100644
--- a/arch/arm/boot/dts/r8a7743-sk-rzg1m.dts
+++ b/arch/arm/boot/dts/r8a7743-sk-rzg1m.dts
@@ -7,6 +7,7 @@
 
 /dts-v1/;
 #include "r8a7743.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "SK-RZG1M";
@@ -75,5 +76,6 @@ phy1: ethernet-phy at 1 {
 		interrupt-parent = <&irqc>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 		micrel,led-mode = <1>;
+		reset-gpios = <&gpio5 22 GPIO_ACTIVE_LOW>;
 	};
 };
diff --git a/arch/arm/boot/dts/r8a7745-sk-rzg1e.dts b/arch/arm/boot/dts/r8a7745-sk-rzg1e.dts
index 4ab6d3fcc857f7db..0a75e8c79acc0e58 100644
--- a/arch/arm/boot/dts/r8a7745-sk-rzg1e.dts
+++ b/arch/arm/boot/dts/r8a7745-sk-rzg1e.dts
@@ -7,6 +7,7 @@
 
 /dts-v1/;
 #include "r8a7745.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "SK-RZG1E";
@@ -70,5 +71,6 @@ phy1: ethernet-phy at 1 {
 		interrupt-parent = <&irqc>;
 		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
 		micrel,led-mode = <1>;
+		reset-gpios = <&gpio1 24 GPIO_ACTIVE_LOW>;
 	};
 };
-- 
2.25.1




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