rockchip: dts: rk3328-evb: Enable gmac2io for rk3328-evb

Add rk3328-evb gmac support.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

diff --git a/arch/arm/dts/rk3328-evb.dts b/arch/arm/dts/rk3328-evb.dts
index 3dd9d8196147926290d2e05ac749b12999c26455..336c2d5353b816983777a5ae2729618579f795cc 100644 (file)
--- a/arch/arm/dts/rk3328-evb.dts
+++ b/arch/arm/dts/rk3328-evb.dts
@@ -15,6 +15,13 @@
                stdout-path = &uart2;
        };
 
+       gmac_clkin: external-gmac-clock {
+               compatible = "fixed-clock";
+               clock-frequency = <125000000>;
+               clock-output-names = "gmac_clkin";
+               #clock-cells = <0>;
+       };
+
        vcc3v3_sdmmc: sdmmc-pwren {
                compatible = "regulator-fixed";
                regulator-name = "vcc3v3";
@@ -40,6 +47,13 @@
                regulator-min-microvolt = <5000000>;
                regulator-max-microvolt = <5000000>;
        };
+
+       vcc_phy: vcc-phy-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc_phy";
+               regulator-always-on;
+               regulator-boot-on;
+       };
 };
 
 &saradc {
@@ -74,6 +88,22 @@
        status = "okay";
 };
 
+&gmac2io {
+       phy-supply = <&vcc_phy>;
+       phy-mode = "rgmii";
+       clock_in_out = "input";
+       snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
+       snps,reset-active-low;
+       snps,reset-delays-us = <0 10000 50000>;
+       assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
+       assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&rgmiim1_pins>;
+       tx_delay = <0x26>;
+       rx_delay = <0x11>;
+       status = "okay";
+};
+
 &usb_host0_ehci {
        status = "okay";
 };