[PATCH v2] arm: sun4i: Add support for Pengpod 1000 tablet

[Bob Ham <rah@settrans.net>]

This is initial support for the Pengpod 1000 tablet.  The display is
not currently working but the UART, SD card and USB all work fine.

Signed-off-by: Bob Ham <rah@settrans.net>
---
Changes since v1:

* Added SPDX license identifier

arch/arm/boot/dts/Makefile                   |   1 +
 arch/arm/boot/dts/sun4i-a10-pengpod-1000.dts | 234 +++++++++++++++++++++++++++
 2 files changed, 235 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun4i-a10-pengpod-1000.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index ade7a38543dc..e6e93e7ffc8b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -893,6 +893,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \
 	sun4i-a10-olinuxino-lime.dtb \
 	sun4i-a10-pcduino.dtb \
 	sun4i-a10-pcduino2.dtb \
+	sun4i-a10-pengpod-1000.dtb \
 	sun4i-a10-pov-protab2-ips9.dtb
 dtb-$(CONFIG_MACH_SUN5I) += \
 	sun5i-a10s-auxtek-t003.dtb \
diff --git a/arch/arm/boot/dts/sun4i-a10-pengpod-1000.dts b/arch/arm/boot/dts/sun4i-a10-pengpod-1000.dts
new file mode 100644
index 000000000000..788163a80f3a
--- /dev/null
+++ b/arch/arm/boot/dts/sun4i-a10-pengpod-1000.dts
@@ -0,0 +1,234 @@
+/*
+ * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
+ * Copyright 2017 Robert Ham <rah@settrans.net>
+ *
+ * SPDX-License-Identifier: (GPL-2.0-or-later or X11)
+ *
+ * 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 "sun4i-a10.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "PengPod 1000";
+	compatible = "pengpod,1000", "allwinner,sun4i-a10";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		pinctrl-0 = <&bl_en_pin_pengpod1000>;
+		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
+		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
+		default-brightness-level = <8>;
+		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&codec {
+	status = "okay";
+};
+
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+
+	axp209: pmic@34 {
+		compatible = "x-powers,axp209";
+		reg = <0x34>;
+		interrupts = <0>;
+	};
+};
+
+#include "axp209.dtsi"
+
+&i2c1 {
+	status = "okay";
+
+	mma7660: accelerometer@4c {
+		compatible = "fsl,mma7660";
+		reg = <0x4c>;
+	};
+};
+
+&i2c2 {
+	status = "okay";
+
+	ft5406ee8: touchscreen@38 {
+		compatible = "edt,edt-ft5406";
+		reg = <0x38>;
+		interrupt-parent = <&pio>;
+		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touchscreen_pins>;
+		reset-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
+		touchscreen-size-x = <1024>;
+		touchscreen-size-y = <600>;
+		touchscreen-swapped-x-y;
+	};
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
+	cd-inverted;
+	status = "okay";
+};
+
+&pio {
+	bl_en_pin_pengpod1000: bl_en_pin@0 {
+		pins = "PH7";
+		function = "gpio_out";
+	};
+
+	touchscreen_pins: touchscreen_pins@0 {
+		pins = "PB13";
+		function = "gpio_out";
+	};
+
+	usb0_id_detect_pin: usb0_id_detect_pin@0 {
+		pins = "PH4";
+		function = "gpio_in";
+		bias-pull-up;
+	};
+
+	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
+		pins = "PH5";
+		function = "gpio_in";
+		bias-pull-down;
+	};
+};
+
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pin>;
+	status = "okay";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1400000>;
+	regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+	regulator-always-on;
+	regulator-min-microvolt = <1250000>;
+	regulator-max-microvolt = <1250000>;
+	regulator-name = "vdd-int-dll";
+};
+
+&reg_ldo1 {
+	regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "avcc";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&otg_sram {
+	status = "okay";
+};
+
+&reg_usb0_vbus {
+	status = "okay";
+};
+
+&reg_usb1_vbus {
+	status = "okay";
+};
+
+&reg_usb2_vbus {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pb_pins>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usbphy {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
+	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
+	usb0_vbus-supply = <&reg_usb0_vbus>;
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+	usb2_vbus-supply = <&reg_usb2_vbus>;
+	status = "okay";
+};
-- 
2.11.0