arm64: dts: allwinner: add pineh64 model B

This patch adds the model B of the PineH64.
The model B is smaller than the pine64 model A and has no PCIE slot.

The only devicetree difference with the pineH64 model A, is the PHY
regulator and the HDMI connector node.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Documentation/devicetree/bindings/arm/sunxi.yaml

@@ -610,6 +610,11 @@ properties:
           - const: pine64,pine-h64
           - const: allwinner,sun50i-h6
 
+      - description: Pine64 PineH64 model B
+        items:
+          - const: pine64,pine-h64-model-b
+          - const: allwinner,sun50i-h6
+
       - description: Pine64 LTS
         items:
           - const: pine64,pine64-lts

arch/arm64/boot/dts/allwinner/Makefile

@@ -26,4 +26,5 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-3.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-lite2.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-one-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-model-b.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6.dtb

arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-model-b.dts

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2019 Corentin LABBE <clabbe@baylibre.com>
+ */
+
+#include "sun50i-h6-pine-h64.dts"
+
+/ {
+	model = "Pine H64 model B";
+	compatible = "pine64,pine-h64-model-b", "allwinner,sun50i-h6";
+
+	/delete-node/ reg_gmac_3v3;
+};
+
+&hdmi_connector {
+	/delete-property/ ddc-en-gpios;
+};
+
+&emac {
+	phy-supply = <&reg_aldo2>;
+};