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

From: Bob Ham
Date: Fri Jun 01 2018 - 14:22:43 EST

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@xxxxxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sun4i-a10-pengpod-1000.dts | 232 +++++++++++++++++++++++++++
2 files changed, 233 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..94560400114d
--- /dev/null
+++ b/arch/arm/boot/dts/sun4i-a10-pengpod-1000.dts
@@ -0,0 +1,232 @@
+/*
+ * Copyright 2015 Hans de Goede <hdegoede@xxxxxxxxxx>
+ * Copyright 2017 Robert Ham <rah@xxxxxxxxxxxx>
+ *
+ * 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