ARM: dts: rockchip: enable gmac on RK3288 evb board

enable gmac in rk3288-evb-rk808.dts

changes since v2:
1. add fixed regulator for PHY
2. remove power-gpio, reset-gpio, phyirq-gpio, pmu_regulator setting
3. add "snps,reset-gpio", "snps,reset-active-low;" "snps,reset-delays-us"

Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/rk3288-evb-rk808.dts b/arch/arm/boot/dts/rk3288-evb-rk808.dts
index d8c775e6d5fe..831a7aa85136 100644
--- a/arch/arm/boot/dts/rk3288-evb-rk808.dts
+++ b/arch/arm/boot/dts/rk3288-evb-rk808.dts
@@ -15,6 +15,13 @@
 
 / {
         compatible = "rockchip,rk3288-evb-rk808", "rockchip,rk3288";
+
+        ext_gmac: external-gmac-clock {
+                compatible = "fixed-clock";
+                clock-frequency = <125000000>;
+                clock-output-names = "ext_gmac";
+                #clock-cells = <0>;
+        };
 };
 
 &cpu0 {
@@ -152,3 +159,19 @@
                 };
         };
 };
+
+&gmac {
+        phy_regulator = "vcc_phy";
+        phy-mode = "rgmii";
+        clock_in_out = "input";
+        snps,reset-gpio = <&gpio4 7 0>;
+        snps,reset-active-low;
+        snps,reset-delays-us = <0 10000 1000000>;
+        assigned-clocks = <&cru SCLK_MAC>;
+        assigned-clock-parents = <&ext_gmac>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&rgmii_pins>;
+        tx_delay = <0x30>;
+        rx_delay = <0x10>;
+        status = "ok";
+};
diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index 3e067dd65d0c..048cb170c884 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -90,6 +90,17 @@
                 regulator-always-on;
                 regulator-boot-on;
         };
+
+        vcc_phy: vcc-phy-regulator {
+                compatible = "regulator-fixed";
+                enable-active-high;
+                gpio = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+                pinctrl-names = "default";
+                pinctrl-0 = <&eth_phy_pwr>;
+                regulator-name = "vcc_phy";
+                regulator-always-on;
+                regulator-boot-on;
+        };
 };
 
 &emmc {
@@ -178,6 +189,12 @@
                         rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
                 };
         };
+
+        eth_phy {
+                eth_phy_pwr: eth-phy-pwr {
+                        rockchip,pins = <0 6 RK_FUNC_GPIO &pcfg_pull_none>;
+                };
+        };
 };
 
 &usb_host0_ehci {