75 lines
1.9 KiB
Diff
75 lines
1.9 KiB
Diff
From 10b9ef4a514b25dea6eac24f25e3027866526800 Mon Sep 17 00:00:00 2001
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From: Jonas Karlman <jonas@kwiboo.se>
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Date: Fri, 9 May 2025 20:23:58 +0000
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Subject: [PATCH] arm64: dts: rockchip: Enable Ethernet controller on Radxa
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E20C
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The Radxa E20C has two GbE ports, LAN and WAN. The LAN port is provided
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using a GMAC controller and a YT8531C PHY and the WAN port is provided
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by an RTL8111H PCIe Ethernet controller.
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Enable support for the LAN port on Radxa E20C.
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Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
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Tested-by: Yao Zi <ziyao@disroot.org>
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Link: https://lore.kernel.org/r/20250509202402.260038-3-jonas@kwiboo.se
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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.../boot/dts/rockchip/rk3528-radxa-e20c.dts | 30 +++++++++++++++++++
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1 file changed, 30 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
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@@ -17,6 +17,7 @@
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compatible = "radxa,e20c", "rockchip,rk3528";
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aliases {
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+ ethernet0 = &gmac1;
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mmc0 = &sdhci;
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mmc1 = &sdmmc;
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};
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@@ -184,6 +185,17 @@
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cpu-supply = <&vdd_arm>;
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};
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+&gmac1 {
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+ clock_in_out = "output";
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+ phy-handle = <&rgmii_phy>;
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+ phy-mode = "rgmii-id";
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+ phy-supply = <&vcc_3v3>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,
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+ <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>;
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+ status = "okay";
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+};
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+
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&i2c1 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1m0_xfer>;
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@@ -198,7 +210,25 @@
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};
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};
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+&mdio1 {
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+ rgmii_phy: ethernet-phy@1 {
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+ compatible = "ethernet-phy-ieee802.3-c22";
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+ reg = <0x1>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&gmac1_rstn_l>;
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+ reset-assert-us = <20000>;
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+ reset-deassert-us = <100000>;
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+ reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
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+ };
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+};
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+
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&pinctrl {
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+ ethernet {
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+ gmac1_rstn_l: gmac1-rstn-l {
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+ rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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+
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gpio-keys {
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user_key: user-key {
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rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
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