[PATCH v2] rockchip: enabled LAN port on NanoPi R2S

[Tianling Shen]

From: David Bauer <m...@david-bauer.net>

Enable the USB3 port on the FriendlyARM NanoPi R2S.
This is required for the USB3 attached LAN port to work.

Signed-off-by: David Bauer <m...@david-bauer.net>
[added device node for USB Ethernet controller]
Signed-off-by: Tianling Shen <cns...@gmail.com>
---
 .../boot/dts/rockchip/rk3328-nanopi-r2s.dts   | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts 
b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
index faf496d789cf..18936b393d9d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dts
@@ -13,6 +13,10 @@
        model = "FriendlyElec NanoPi R2S";
        compatible = "friendlyarm,nanopi-r2s", "rockchip,rk3328";
 
+       aliases {
+               ethernet1 = &r8153;
+       };
+
        chosen {
                stdout-path = "serial2:1500000n8";
        };
@@ -37,6 +41,16 @@
                };
        };
 
+       vcc_rtl8153: vcc-rtl8153-regulator {
+               compatible = "regulator-fixed";
+               gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&rtl8153_en_drv>;
+               regulator-always-on;
+               regulator-name = "vcc_rtl8153";
+               enable-active-high;
+       };
+
        leds {
                compatible = "gpio-leds";
                pinctrl-0 = <&lan_led_pin>,  <&sys_led_pin>, <&wan_led_pin>;
@@ -265,6 +279,12 @@
                        };
                };
        };
+
+       usb {
+               rtl8153_en_drv: rtl8153-en-drv {
+                       rockchip,pins = <2 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
 };
 
 &io_domains {
@@ -364,6 +384,18 @@
        dr_mode = "host";
 };
 
+&usbdrd3 {
+       dr_mode = "host";
+       status = "okay";
+
+       r8153: usb-eth@2 {
+               compatible = "realtek,rtl8153";
+               reg = <2>;
+
+               local-mac-address = [ 00 00 00 00 00 00 ]; /* Filled in by 
U-Boot */
+       };
+};
+
 &usb_host0_ehci {
        status = "okay";
 };
-- 
2.17.1