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Date:   Wed, 30 Aug 2017 14:50:57 +0200
From:   Antony Antony <antony@...nome.org>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     Icenowy Zheng <icenowy@...c.io>, linux-sunxi@...glegroups.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Antony Antony <antony@...nome.org>
Subject: [PATCH v5] arm64: allwinner: h5: add support for NanoPi NEO Plus2

	Add initial DT support for NanoPi NEO Plus2 by FriendlyARM
		Allwinner quad core H5 Cortex A53 with an ARM Mali-450MP GPU
		1 GB DDR3 RAM
		8GB eMMC flash (Samsung KLM8G1WEPD-B031)
		micro SD card slot
		Gigabit Ethernet (external RTL8211E-VB-CG chip)
		802.11 b/g/n WiFi, Bluetooth 4.0 (Ampak AP6212A module)
		2x USB 2.0 host ports & 2x USB via headers

    The DTS is based on OrangePi PC 2, sun50i-h5-orangepi-pc2
    Added dwmac-sun8i Gigabit Ethernet support based on
    Nano Pi Neo2 DT and the schematics.

Signed-off-by: Antony Antony <antony@...nome.org>
---
 arch/arm64/boot/dts/allwinner/Makefile             |   1 +
 .../dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts   | 262 +++++++++++++++++++++
 2 files changed, 263 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts

---
Changes
v1 -> v2
 add wifi power controller,  mmc1, mmc2
 remove reg_usb0_vbus
v2 -> v3
fix typo s/orangepi/nanopi/, s/pus/plus/
 usb_otg set to host mode
 wifi fix, based on commit 442e1f7e brcm,bcm43xx-fmac.txt
 remove functions on header pins: spi, ir, ehci 1&2, ohci 1&2, uart 1&2
 remove hdmi, de2, r-gpio-keys, mixer - not supported the board
v3->v4 update WiFi chip compatible to bcm43430-fmac
v4->v5 back to bcm4329-fmac bcm43430-fmac is the wrong way.
 
diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 108f12c..e6810c8 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-prime.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-nanopi-neo2.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-nanopi-neo-plus2.dtb
 
 always		:= $(dtb-y)
 subdir-y	:= $(dts-dirs)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts
new file mode 100644
index 0000000..a6687db
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts
@@ -0,0 +1,262 @@
+/*
+ * Copyright (C) 2017 Antony Antony <antony@...nome.org>
+ * Copyright (C) 2016 ARM Ltd.
+ *
+ * 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.
+ */
+
+/dts-v1/;
+#include "sun50i-h5.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	model = "FriendlyARM NanoPi NEO Plus2";
+	compatible = "friendlyarm,nanopi-neo-plus2", "allwinner,sun50i-h5";
+
+	reg_vcc3v3: vcc3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	aliases {
+		ethernet0 = &emac;
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pwr {
+			label = "nanopi:green:pwr";
+			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		status {
+			label = "nanopi:red:status";
+			gpios = <&pio 0 20 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	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>;
+	};
+
+	vdd_cpux: gpio-regulator {
+		compatible = "regulator-gpio";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&vdd_cpux_r_npi>;
+
+		regulator-name = "vdd-cpux";
+		regulator-type = "voltage";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-min-microvolt = <1100000>;
+		regulator-max-microvolt = <1300000>;
+		regulator-ramp-delay = <50>; /* 4ms */
+
+		gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>;
+		gpios-states = <0x1>;
+		states = <1100000 0x0
+			  1300000 0x1>;
+	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_en_npi>;
+		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
+		post-power-on-delay-ms = <200>;
+	};
+};
+
+&codec {
+	allwinner,audio-routing =
+		"Line Out", "LINEOUT",
+		"MIC1", "Mic",
+		"Mic",  "MBIAS";
+	status = "okay";
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci3 {
+	status = "okay";
+};
+
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_rgmii_pins>;
+	phy-supply = <&reg_gmac_3v3>;
+	phy-handle = <&ext_rgmii_phy>;
+	phy-mode = "rgmii";
+	status = "okay";
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@7 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <7>;
+	};
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+	status = "okay";
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins_a>;
+	vmmc-supply = <&reg_vcc3v3>;
+	vqmmc-supply = <&reg_vcc3v3>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	boot_device = <0>;
+	status = "okay";
+
+	/*
+	 * AMPAK AP6212A WiFi module with BCM43430, rev=1 inside
+	 * sdio vendor ID: 0x02d0, sdio device ID: 0xa9a6
+	 * There is no specific Documentation: dt-binding for BCM43430
+	 * brcm,bcm4329-fmac compatible can initialize this module
+	 */
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_8bit_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <8>;
+	non-removable;
+	cap-mmc-hw-reset;
+	boot_device = <0>;
+	status = "okay";
+};
+
+&mmc2_8bit_pins {
+	/* Increase drive strength for DDR modes */
+	drive-strength = <40>;
+	/* eMMC is missing pull-ups */
+	bias-pull-up;
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci3 {
+	status = "okay";
+};
+
+&pio {
+	leds_npi: led_pins@0 {
+		pins = "PA10";
+		function = "gpio_out";
+	};
+	gmac_power_pin_nanopi: gmac_power_pin@0 {
+			pins = "PD6";
+			function = "gpio_out";
+	};
+};
+
+&r_pio {
+	leds_r_npi: led_pins@0 {
+		pins = "PL10";
+		function = "gpio_out";
+	};
+
+	vdd_cpux_r_npi: regulator_pins@0 {
+		allwinner,pins = "PL6";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	wifi_en_npi: wifi_en_pin {
+		pins = "PL7";
+		function = "gpio_out";
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usbphy {
+	/* USB Type-A ports' VBUS is always on */
+	usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+	status = "okay";
+};
-- 
2.9.3

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