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

From: Yu-Tung Chang
Date: Fri Oct 23 2020 - 05:05:02 EST

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 <mtwget@xxxxxxxxx>
---
.../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@xxxxxxxxx>
+ */
+
+#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