* [PATCH v4 1/1] ARM: dts: sun8i: add FriendlyArm ZeroPi support
2020-10-27 7:16 [PATCH v4 0/1] ARM: dts: sun8i: add FriendlyArm ZeroPi support Yu-Tung Chang
@ 2020-10-27 7:16 ` Yu-Tung Chang
2020-10-27 9:45 ` Maxime Ripard
0 siblings, 1 reply; 3+ messages in thread
From: Yu-Tung Chang @ 2020-10-27 7:16 UTC (permalink / raw)
To: robh+dt
Cc: devicetree, Yu-Tung Chang, linux-kernel, mripard, wens,
Maxime Ripard, linux-arm-kernel
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@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201026073536.13617-2-mtwget@gmail.com
---
.../devicetree/bindings/arm/sunxi.yaml | 5 ++
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sun8i-h3-zeropi.dts | 85 +++++++++++++++++++
3 files changed, 91 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 afa00268c7db..0f23133672a3 100644
--- a/Documentation/devicetree/bindings/arm/sunxi.yaml
+++ b/Documentation/devicetree/bindings/arm/sunxi.yaml
@@ -251,6 +251,11 @@ properties:
- const: friendlyarm,nanopi-neo-plus2
- const: allwinner,sun50i-h5
+ - description: FriendlyARM ZeroPi
+ items:
+ - const: friendlyarm,zeropi
+ - const: allwinner,sun8i-h3
+
- description: Gemei G9 Tablet
items:
- const: gemei,g9
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index ce66ffd5a1bb..4f0adfead547 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1201,6 +1201,7 @@ 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..7d3e7323b661
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-h3-zeropi.dts
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2020 Yu-Tung Chang <mtwget@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#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";
+ 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>; /* PD6 */
+ };
+};
+
+&external_mdio {
+ ext_rgmii_phy: ethernet-phy@7 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <7>;
+ };
+};
+
+&emac {
+ pinctrl-names = "default";
+ pinctrl-0 = <&emac_rgmii_pins>;
+ phy-supply = <®_gmac_3v3>;
+ phy-handle = <&ext_rgmii_phy>;
+ phy-mode = "rgmii-id";
+
+ allwinner,leds-active-low;
+ status = "okay";
+};
+
+&usb_otg {
+ status = "okay";
+ dr_mode = "host";
+};
--
2.29.0
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