arm64: dts: rockchip: split rk3399-rockpro64 for v2 and v2.1 boards

This patch splits rk3399-rockpro64 dts file to 2 files for v2 and
v2.1 boards.

Both v2 and v2.1 boards can use almost same settings but we find a
difference in I2C address of audio CODEC ES8136.
Reported-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Link: https://lore.kernel.org/r/20191202055929.26540-1-katsuhiro@katsuster.net
[put pine64,rockpro64-v2.* into an enum]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/arm/rockchip.yaml

@@ -409,6 +409,9 @@ properties:
 
       - description: Pine64 RockPro64
         items:
+          - enum:
+              - pine64,rockpro64-v2.1
+              - pine64,rockpro64-v2.0
           - const: pine64,rockpro64
           - const: rockchip,rk3399
 

arch/arm64/boot/dts/rockchip/Makefile

@@ -33,6 +33,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc-mezzanine.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock960.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64-v2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb

arch/arm64/boot/dts/rockchip/rk3399-rockpro64-v2.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd.
+ * Copyright (c) 2018 Akash Gajjar <Akash_Gajjar@mentor.com>
+ * Copyright (c) 2019 Katsuhiro Suzuki <katsuhiro@katsuster.net>
+ */
+
+/dts-v1/;
+#include "rk3399-rockpro64.dtsi"
+
+/ {
+	model = "Pine64 RockPro64 v2.0";
+	compatible = "pine64,rockpro64-v2.0", "pine64,rockpro64", "rockchip,rk3399";
+};
+
+&i2c1 {
+	es8316: codec@10 {
+		compatible = "everest,es8316";
+		reg = <0x10>;
+		clocks = <&cru SCLK_I2S_8CH_OUT>;
+		clock-names = "mclk";
+		#sound-dai-cells = <0>;
+
+		port {
+			es8316_p0_0: endpoint {
+				remote-endpoint = <&i2s1_p0_0>;
+			};
+		};
+	};
+};