linux-kernel - [PATCH] arm64: rockchip: dts: rk3328-rock-pi-e: enable GbE eth

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Message-ID: <20231221062244.11871-1-twoerner@gmail.com>
Date: Thu, 21 Dec 2023 01:22:43 -0500
From: Trevor Woerner <twoerner@...il.com>
To: linux-kernel@...r.kernel.org,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Subject: [PATCH] arm64: rockchip: dts: rk3328-rock-pi-e: enable GbE eth

Adjust the device-tree to get the GbE interface working using a patch found
on the Radxa forum.

Link: https://forum.radxa.com/t/rock-pi-e-board-version-1-21-ethhernet-not-working-in-armbian/15061/3
Signed-off-by: Trevor Woerner <twoerner@...il.com>
---
 arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
index 3cda6c627b68..41224a222048 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
@@ -148,7 +148,7 @@ &gmac2io {
 	assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
 	assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
 	clock_in_out = "input";
-	phy-handle = <&rtl8211e>;
+	phy-handle = <&rtl8211f>;
 	phy-mode = "rgmii";
 	phy-supply = <&vcc_io>;
 	pinctrl-names = "default";
@@ -156,8 +156,8 @@ &gmac2io {
 	snps,aal;
 	snps,rxpbl = <0x4>;
 	snps,txpbl = <0x4>;
-	tx_delay = <0x26>;
-	rx_delay = <0x11>;
+	tx_delay = <0x1a>;
+	rx_delay = <0x14>;
 	status = "okay";
 
 	mdio {
@@ -165,15 +165,17 @@ mdio {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		rtl8211e: ethernet-phy@1 {
+		rtl8211f: ethernet-phy@1 {
+			compatible = "ethernet-phy-id001c.c916", "ethernet-phy-ieee802.3-c22";
 			reg = <1>;
 			pinctrl-0 = <&eth_phy_int_pin>, <&eth_phy_reset_pin>;
 			pinctrl-names = "default";
 			interrupt-parent = <&gpio1>;
 			interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
-			reset-assert-us = <10000>;
-			reset-deassert-us = <50000>;
+			reset-assert-us = <20000>;
+			reset-deassert-us = <100000>;
 			reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
+			max-speed = <1000>;
 		};
 	};
 };
-- 
2.43.0.76.g1a87c842ece3