arm64: allwinner: h5: add NanoPi NEO Plus2 DT support

Add initial DT 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

Signed-off-by: Antony Antony <antony@phenome.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

2 files changed, 194 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 19c3fbd75eda..5d88df3533e1 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -8,6 +8,7 @@ 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 000000000000..7c028af58f47
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo-plus2.dts
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2017 Antony Antony <antony@phenome.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";
+
+        aliases {
+                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";
+                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>;
+        };
+
+        reg_vcc3v3: vcc3v3 {
+                compatible = "regulator-fixed";
+                regulator-name = "vcc3v3";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+        };
+
+        vdd_cpux: gpio-regulator {
+                compatible = "regulator-gpio";
+                pinctrl-names = "default";
+                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";
+                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";
+};
+
+&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;
+        status = "okay";
+
+        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;
+        status = "okay";
+};
+
+&ohci0 {
+        status = "okay";
+};
+
+&ohci3 {
+        status = "okay";
+};
+
+&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 */
+        status = "okay";
+};