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[PATCH] ARM: dts: sun8i: add FriendlyArm ZeroPi support

From: Yu-Tung Chang <hidden>
Date: 2020-10-23 09:05:03
Also in: linux-devicetree, lkml
Subsystem: arm and arm64 soc sub-architectures (common parts), open firmware and flattened device tree bindings, the rest · Maintainers: Arnd Bergmann, Krzysztof Kozlowski, Alexandre Belloni, Linus Walleij, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

  The ZeroPi is another fun board developed
  by FriendlyELEC for makers,
  hobbyists and fans.

  ZeroPi key features
  - Allwinner H3, Quad-core Cortex-A7@1.2GHz
  - 256MB/512MB DDR3 RAM
  - microsd slot
  - 10/100/1000Mbps Ethernet
  - Debug Serial Port
  - DC 5V/2A power-supply

Signed-off-by: Yu-Tung Chang <redacted>
---
 .../devicetree/bindings/arm/sunxi.yaml        |  5 ++
 arch/arm/boot/dts/Makefile                    |  1 +
 arch/arm/boot/dts/sun8i-h3-zeropi.dts         | 69 +++++++++++++++++++
 3 files changed, 75 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun8i-h3-zeropi.dts
diff --git a/Documentation/devicetree/bindings/arm/sunxi.yaml b/Documentation/devicetree/bindings/arm/sunxi.yaml
index efc9118233b4..9392a9a3f7e7 100644
--- a/Documentation/devicetree/bindings/arm/sunxi.yaml
+++ b/Documentation/devicetree/bindings/arm/sunxi.yaml
@@ -246,6 +246,11 @@ properties:
           - const: friendlyarm,nanopi-neo-plus2
           - const: allwinner,sun50i-h5
 
+      - description: FriendlyARM ZeroPi
+        items:
+          - const: friendlyarm,zeropi
+          - const: allwinner,sun50i-h3
+
       - description: Gemei G9 Tablet
         items:
           - const: gemei,g9
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 4572db3fa5ae..f05e54257947 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1187,6 +1187,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-h3-orangepi-plus2e.dtb \
 	sun8i-h3-orangepi-zero-plus2.dtb \
 	sun8i-h3-rervision-dvk.dtb \
+	sun8i-h3-zeropi.dtb \
 	sun8i-h3-emlid-neutis-n5h3-devboard.dtb \
 	sun8i-r16-bananapi-m2m.dtb \
 	sun8i-r16-nintendo-nes-classic.dtb \
diff --git a/arch/arm/boot/dts/sun8i-h3-zeropi.dts b/arch/arm/boot/dts/sun8i-h3-zeropi.dts
new file mode 100644
index 000000000000..388ad6b6da2b
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-h3-zeropi.dts
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2020 Yu-Tung Chang <mtwget@gmail.com>
+ */
+
+#include "sun8i-h3-nanopi.dtsi"
+
+/ {
+	model = "FriendlyARM ZeroPi";
+	compatible = "friendlyarm,zeropi", "allwinner,sun8i-h3";
+
+	aliases {
+		ethernet0 = &emac;
+	};
+
+	reg_gmac_3v3: gmac-3v3 {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&gmac_power_pin_nanopi>;
+		regulator-name = "gmac-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <100000>;
+		enable-active-high;
+		gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&pio {
+	gmac_power_pin_nanopi: gmac_power_pin@0 {
+		pins = "PD6";
+		function = "gpio_out";
+	};
+};
+
+&external_mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <7>;
+	};
+};
+
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_rgmii_pins>;
+	phy-supply = <&reg_gmac_3v3>;
+	phy-handle = <&ext_rgmii_phy>;
+	phy-mode = "rgmii";
+
+	allwinner,leds-active-low;
+	status = "okay";
+};
+
+&usb_otg {
+	status = "okay";
+	dr_mode = "peripheral";
+};
+
+&usbphy {
+	usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+};
-- 
2.29.0


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