[PATCH v2 2/2] arm64: dts: rockchip: Add gmac phy reset GPIO
Uwe Kleine-König
uwe at kleine-koenig.org
Tue Mar 18 14:08:46 PDT 2025
While looking through the vendor U-Boot code Heiko spotted that a SoC
GPIO is connected to the ethernet phy's reset pin. Add the respective
reset-gpios property with pinmuxing for the GPIO to the phy node.
Signed-off-by: Uwe Kleine-König <uwe at kleine-koenig.org>
---
arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts b/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
index 70e88769e21c..411f8ac7994b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-qnap-ts433.dts
@@ -485,6 +485,10 @@ rgmii_phy0: ethernet-phy at 3 {
/* Motorcomm YT8521 phy */
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0x3>;
+ pinctrl-0 = <ð_phy0_reset_pin>;
+ pinctrl-names = "default";
+ reset-assert-us = <10000>;
+ reset-gpios = <&gpio0 RK_PC6 GPIO_ACTIVE_LOW>;
};
};
@@ -557,6 +561,12 @@ &pcie3x2 {
};
&pinctrl {
+ gmac0 {
+ eth_phy0_reset_pin: eth-phy0-reset-pin {
+ rockchip,pins = <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
keys {
copy_button_pin: copy-button-pin {
rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_up>;
--
2.47.1
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