[PATCHv4 linux-next 4/4] ARM: dts: rockchip: rv1126: Enable Ethernet for Neu2-IO

Anand Moon
2023-01-11T06:50:03Z

Rockchip RV1126 has GMAC 10/100/1000M ethernet controller.
Enable ethernet node on Neu2-IO board.

Signed-off-by: Anand Moon <anand@edgeble.ai>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
---
v4: none
v3: Address review coments from Johan and Add SoB Jagan Teki.
v2: drop SoB of Jagan Teki.
---
arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts | 37 ++++++++++++++++++++
1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
index dded0a12f0cd..3340fc3f0739 100644
--- a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
+++ b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
@@ -22,6 +22,43 @@ chosen {
};
};

+&gmac {
+ assigned-clocks = <&cru CLK_GMAC_SRC>, <&cru CLK_GMAC_TX_RX>,
+ <&cru CLK_GMAC_ETHERNET_OUT>;
+ assigned-clock-parents = <&cru CLK_GMAC_SRC_M1>, <&cru RGMII_MODE_CLK>;
+ assigned-clock-rates = <125000000>, <0>, <25000000>;
+ clock_in_out = "input";
+ phy-handle = <&phy>;
+ phy-mode = "rgmii";
+ phy-supply = <&vcc_3v3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&rgmiim1_pins &clk_out_ethernetm1_pins>;
+ tx_delay = <0x2a>;
+ rx_delay = <0x1a>;
+ status = "okay";
+};
+
+&mdio {
+ phy: ethernet-phy@0 {
+ compatible = "ethernet-phy-id001c.c916",
+ "ethernet-phy-ieee802.3-c22";
+ reg = <0x0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&eth_phy_rst>;
+ reset-assert-us = <20000>;
+ reset-deassert-us = <100000>;
+ reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&pinctrl {
+ ethernet {
+ eth_phy_rst: eth-phy-rst {
+ rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+ };
+};
+
&sdmmc {
bus-width = <4>;
cap-mmc-highspeed;
--
2.39.0