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Message-Id: <20180507220413.21990-3-contact@paulk.fr>
Date: Tue, 8 May 2018 00:04:13 +0200
From: Paul Kocialkowski <contact@...lk.fr>
To: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
dri-devel@...ts.freedesktop.org, linux-sunxi@...glegroups.com
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Maxime Ripard <maxime.ripard@...tlin.com>,
Chen-Yu Tsai <wens@...e.org>,
Thierry Reding <thierry.reding@...il.com>,
David Airlie <airlied@...ux.ie>,
Paul Kocialkowski <contact@...lk.fr>
Subject: [PATCH v4 3/3] ARM: dts: sun7i: Add support for the Ainol AW1 tablet
This adds support for the Ainol AW1, an A20-based 7" tablet from Ainol.
The following board-specific features are supported:
* LCD panel
* Backlight
* USB OTG
* Buttons
* Touchscreen (doesn't work without non-free firmware)
* Accelerometer
* Battery
The following are untested:
* Audio output
* Audio speakers
* USB via SPCI connector
The following are not supported:
* Wi-Fi
* Bluetooth
* NAND
* Audio via SPCI connector
* Audio via Bluetooth I2S
Signed-off-by: Paul Kocialkowski <contact@...lk.fr>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sun7i-a20-ainol-aw1.dts | 297 ++++++++++++++++++++++
2 files changed, 298 insertions(+)
create mode 100644 arch/arm/boot/dts/sun7i-a20-ainol-aw1.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7e2424957809..4a80971f2bc9 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -946,6 +946,7 @@ dtb-$(CONFIG_MACH_SUN6I) += \
sun6i-a31s-sinovoip-bpi-m2.dtb \
sun6i-a31s-yones-toptech-bs1078-v2.dtb
dtb-$(CONFIG_MACH_SUN7I) += \
+ sun7i-a20-ainol-aw1.dtb \
sun7i-a20-bananapi.dtb \
sun7i-a20-bananapi-m1-plus.dtb \
sun7i-a20-bananapro.dtb \
diff --git a/arch/arm/boot/dts/sun7i-a20-ainol-aw1.dts b/arch/arm/boot/dts/sun7i-a20-ainol-aw1.dts
new file mode 100644
index 000000000000..9a732e4cd076
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-ainol-aw1.dts
@@ -0,0 +1,297 @@
+/*
+ * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+ *
+ * Copyright (C) 2018 Paul Kocialkowski <contact@...lk.fr>
+ */
+
+/dts-v1/;
+#include "sun7i-a20.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+ model = "Ainol AW1";
+ compatible = "ainol,ainol-aw1", "allwinner,sun7i-a20";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
+ brightness-levels = < 0 1 1 1 1 2 2 2
+ 2 3 3 3 3 4 4 4
+ 5 5 5 6 6 6 7 7
+ 8 8 8 9 9 9 10 10
+ 10 11 11 12 12 12 13 13
+ 14 14 14 15 15 16 16 17
+ 17 17 18 18 19 19 20 20
+ 21 21 21 22 22 23 23 24
+ 24 25 25 26 26 27 27 28
+ 28 29 30 30 31 31 32 32
+ 33 33 34 35 35 36 36 37
+ 38 38 39 39 40 41 41 42
+ 43 43 44 44 45 46 47 47
+ 48 49 49 50 51 51 52 53
+ 54 54 55 56 57 57 58 59
+ 60 61 61 62 63 64 65 65
+ 66 67 68 69 70 71 71 72
+ 73 74 75 76 77 78 79 80
+ 81 82 83 84 85 86 87 88
+ 89 90 91 92 93 94 95 96
+ 97 98 99 101 102 103 104 105
+ 106 108 109 110 111 112 114 115
+ 116 117 119 120 121 123 124 125
+ 127 128 129 131 132 133 135 136
+ 138 139 141 142 144 145 147 148
+ 150 151 153 154 156 157 159 161
+ 162 164 166 167 169 171 173 174
+ 176 178 180 181 183 185 187 189
+ 191 192 194 196 198 200 202 204
+ 206 208 210 212 214 216 219 221
+ 223 225 227 229 232 234 236 238
+ 241 242 244 246 248 250 253 255>;
+ default-brightness-level = <128>;
+ enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
+ };
+
+ panel: panel {
+ compatible = "innolux,at070tn90";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ power-supply = <&panel_power>;
+ backlight = <&backlight>;
+
+ port@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel_input: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&tcon0_out_panel>;
+ };
+ };
+ };
+
+ panel_power: panel_power {
+ compatible = "regulator-fixed";
+ regulator-name = "panel-power";
+ regulator-min-microvolt = <10400000>;
+ regulator-max-microvolt = <10400000>;
+ gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
+ enable-active-high;
+ regulator-boot-on;
+ };
+};
+
+&codec {
+ allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
+ status = "okay";
+};
+
+&cpu0 {
+ cpu-supply = <®_dcdc2>;
+};
+
+&de {
+ status = "okay";
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+
+ axp209: pmic@34 {
+ reg = <0x34>;
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins_a>;
+ status = "okay";
+
+ lis3dh: accelerometer@18 {
+ compatible = "st,lis3dh-accel";
+ reg = <0x18>;
+ vdd-supply = <®_vcc3v3>;
+ vddio-supply = <®_vcc3v3>;
+ st,drdy-int-pin = <1>;
+ };
+};
+
+&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins_a>;
+ status = "okay";
+ clock-frequency = <400000>;
+
+ gsl1680: touchscreen@40 {
+ compatible = "silead,gsl1680";
+ reg = <0x40>;
+ interrupt-parent = <&pio>;
+ interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
+ power-gpios = <&pio 7 20 GPIO_ACTIVE_HIGH>; /* PH20 */
+ firmware-name = "gsl1680-ainol-aw1.fw";
+ touchscreen-size-x = <480>;
+ touchscreen-size-y = <800>;
+ touchscreen-swapped-x-y;
+ touchscreen-inverted-y;
+ silead,max-fingers = <5>;
+ };
+};
+
+&lradc {
+ vref-supply = <®_ldo2>;
+ status = "okay";
+
+ button@571 {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ channel = <0>;
+ voltage = <571428>;
+ };
+
+ button@761 {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ channel = <0>;
+ voltage = <761904>;
+ };
+
+ button@952 {
+ label = "Home";
+ linux,code = <KEY_HOME>;
+ channel = <0>;
+ voltage = <952380>;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_a>;
+ vmmc-supply = <®_vcc3v3>;
+ bus-width = <4>;
+ cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
+ cd-inverted;
+ status = "okay";
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&otg_sram {
+ status = "okay";
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pins_a>;
+ status = "okay";
+};
+
+&tcon0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd0_rgb666_pins>;
+ status = "okay";
+};
+
+&tcon0_out {
+ tcon0_out_panel: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&panel_input>;
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins_a>;
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+ usb0_vbus_power-supply = <&usb_power_supply>;
+ usb0_vbus-supply = <®_usb0_vbus>;
+ usb1_vbus-supply = <®_usb1_vbus>;
+ usb2_vbus-supply = <®_usb2_vbus>;
+ status = "okay";
+};
+
+#include "axp209.dtsi"
+
+&battery_power_supply {
+ status = "okay";
+};
+
+®_dcdc2 {
+ regulator-always-on;
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1450000>;
+ regulator-name = "vdd-cpu";
+};
+
+®_dcdc3 {
+ regulator-always-on;
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "vdd-int-dll";
+};
+
+®_ldo1 {
+ regulator-name = "vdd-rtc";
+};
+
+®_ldo2 {
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "avcc";
+};
+
+®_usb0_vbus {
+ status = "okay";
+};
+
+®_usb1_vbus {
+ status = "okay";
+};
+
+®_usb2_vbus {
+ status = "okay";
+};
+
+&usb_power_supply {
+ status = "okay";
+};
--
2.17.0
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