ARM: dts: rockchip: Add gmac support for rk3288-vyasa board

Add the external clock-reference, enable the gmac node
and define the phy-related pin settings.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/rk3288-vyasa.dts b/arch/arm/boot/dts/rk3288-vyasa.dts
index 738796add05e..3672a0dcb802 100644
--- a/arch/arm/boot/dts/rk3288-vyasa.dts
+++ b/arch/arm/boot/dts/rk3288-vyasa.dts
@@ -104,12 +104,35 @@
                 regulator-boot-on;
                 vin-supply = <&dc12_vbat>;
         };
+
+        ext_gmac: external-gmac-clock {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <125000000>;
+                clock-output-names = "ext_gmac";
+        };
 };
 
 &cpu0 {
         cpu0-supply = <&vdd_cpu>;
 };
 
+&gmac {
+        assigned-clocks = <&cru SCLK_MAC>;
+        assigned-clock-parents = <&ext_gmac>;
+        clock_in_out = "input";
+        pinctrl-names = "default";
+        pinctrl-0 = <&rgmii_pins>, <&phy_rst>, <&phy_pmeb>, <&phy_int>;
+        phy-supply = <&vcc_lan>;
+        phy-mode = "rgmii";
+        snps,reset-active-low;
+        snps,reset-delays-us = <0 10000 1000000>;
+        snps,reset-gpio = <&gpio4 RK_PB0 GPIO_ACTIVE_LOW>;
+        tx_delay = <0x30>;
+        rx_delay = <0x10>;
+        status = "okay";
+};
+
 &gpu {
         mali-supply = <&vdd_gpu>;
         status = "okay";
@@ -361,6 +384,24 @@
 };
 
 &pinctrl {
+        pcfg_output_high: pcfg-output-high {
+                output-high;
+        };
+
+        gmac {
+                phy_int: phy-int {
+                        rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
+                };
+
+                phy_pmeb: phy-pmeb {
+                        rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
+                };
+
+                phy_rst: phy-rst {
+                        rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_output_high>;
+                };
+        };
+
         pmic {
                 pmic_int: pmic-int {
                         rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO &pcfg_pull_up>;