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From cc52bfc04726a574fc4440bbbe0c710890e7040a Mon Sep 17 00:00:00 2001
From: Manoj Sai <abbaraju.manojsai@amarulasolutions.com>
Date: Wed, 25 Jan 2023 21:40:22 +0530
Subject: [PATCH] arm64: dts: rockchip: Enable Ethernet for Radxa CM3 IO
Add ethernet nodes for enabling gmac1 on the Radxa CM3 IO board.
Signed-off-by: Manoj Sai <abbaraju.manojsai@amarulasolutions.com>
Link: https://lore.kernel.org/r/20230125161023.12115-1-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
.../boot/dts/rockchip/rk3566-radxa-cm3-io.dts | 93 +++++++++++++++++++
1 file changed, 93 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-cm3-io.dts
@@ -21,6 +21,13 @@
stdout-path = "serial2:1500000n8";
};
+ gmac1_clkin: external-gmac1-clock {
+ compatible = "fixed-clock";
+ clock-frequency = <125000000>;
+ clock-output-names = "gmac1_clkin";
+ #clock-cells = <0>;
+ };
+
hdmi-con {
compatible = "hdmi-connector";
type = "a";
@@ -83,6 +90,29 @@
status = "okay";
};
+&gmac1 {
+ assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
+ assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>;
+ assigned-clock-rates = <0>, <125000000>;
+ clock_in_out = "input";
+ phy-handle = <&rgmii_phy1>;
+ phy-mode = "rgmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac1m0_miim
+ &gmac1m0_tx_bus2
+ &gmac1m0_rx_bus2
+ &gmac1m0_rgmii_clk
+ &gmac1m0_rgmii_bus
+ &gmac1m0_clkinout>;
+ snps,reset-gpio = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
+ snps,reset-active-low;
+ /* Reset time is 20ms, 100ms for rtl8211f */
+ snps,reset-delays-us = <0 20000 100000>;
+ tx_delay = <0x46>;
+ rx_delay = <0x2e>;
+ status = "okay";
+};
+
&hdmi {
avdd-0v9-supply = <&vdda0v9_image>;
avdd-1v8-supply = <&vcca1v8_image>;
@@ -105,7 +135,70 @@
status = "okay";
};
+&mdio1 {
+ rgmii_phy1: ethernet-phy@0 {
+ compatible="ethernet-phy-ieee802.3-c22";
+ reg= <0x0>;
+ };
+};
+
&pinctrl {
+ gmac1 {
+ gmac1m0_miim: gmac1m0-miim {
+ rockchip,pins =
+ /* gmac1_mdcm0 */
+ <3 RK_PC4 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_mdiom0 */
+ <3 RK_PC5 3 &pcfg_pull_none_drv_level_15>;
+ };
+
+ gmac1m0_rx_bus2: gmac1m0-rx-bus2 {
+ rockchip,pins =
+ /* gmac1_rxd0m0 */
+ <3 RK_PB1 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_rxd1m0 */
+ <3 RK_PB2 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_rxdvcrsm0 */
+ <3 RK_PB3 3 &pcfg_pull_none_drv_level_15>;
+ };
+
+ gmac1m0_tx_bus2: gmac1m0-tx-bus2 {
+ rockchip,pins =
+ /* gmac1_txd0m0 */
+ <3 RK_PB5 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_txd1m0 */
+ <3 RK_PB6 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_txenm0 */
+ <3 RK_PB7 3 &pcfg_pull_none_drv_level_15>;
+ };
+
+ gmac1m0_rgmii_clk: gmac1m0-rgmii-clk {
+ rockchip,pins =
+ /* gmac1_rxclkm0 */
+ <3 RK_PA7 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_txclkm0 */
+ <3 RK_PA6 3 &pcfg_pull_none_drv_level_15>;
+ };
+
+ gmac1m0_rgmii_bus: gmac1m0-rgmii-bus {
+ rockchip,pins =
+ /* gmac1_rxd2m0 */
+ <3 RK_PA4 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_rxd3m0 */
+ <3 RK_PA5 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_txd2m0 */
+ <3 RK_PA2 3 &pcfg_pull_none_drv_level_15>,
+ /* gmac1_txd3m0 */
+ <3 RK_PA3 3 &pcfg_pull_none_drv_level_15>;
+ };
+
+ gmac1m0_clkinout: gmac1m0-clkinout {
+ rockchip,pins =
+ /* gmac1_mclkinoutm0 */
+ <3 RK_PC0 3 &pcfg_pull_none_drv_level_15>;
+ };
+ };
+
leds {
pi_nled_activity: pi-nled-activity {
rockchip,pins = <4 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
|