The gt90h is a pcb found in generic 9" tablets with an A23 soc, 1G RAM
and 8G nand, rtl8723as usb wifi, 1 micro usb port and 1 micro sd slot.
This commit adds a dts for v4 of the gt90h pcb.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts | 145 +++++++++++++++++++++++++++++++
2 files changed, 146 insertions(+)
create mode 100644 arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d639774..6aa657f 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -600,6 +600,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
sun7i-a20-wits-pro-a20-dkt.dtb
dtb-$(CONFIG_MACH_SUN8I) += \
sun8i-a23-evb.dtb \
+ sun8i-a23-gt90h-v4.dtb \
sun8i-a23-ippo-q8h-v5.dtb \
sun8i-a23-ippo-q8h-v1.2.dtb \
sun8i-a33-et-q8-v1.6.dtb \
diff --git a/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts b/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts
new file mode 100644
index 0000000..1aeb06c
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2015 Hans de Goede <hdegoede@xxxxxxxxxx>
+ *
+ * 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 "sun8i-a23.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+ model = "Allwinner GT90H Quad Core Tablet (v4)";
+ compatible = "allwinner,gt90h-v4", "allwinner,sun8i-a33";
+
+ aliases {
+ serial0 = &r_uart;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins_a>;
+ status = "okay";
+};
+
+&lradc {
+ vref-supply = <®_vcc3v0>;
+ status = "okay";
+
+ button@200 {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ channel = <0>;
+ voltage = <200000>;
+ };
+
+ button@400 {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ channel = <0>;
+ voltage = <400000>;
+ };
+
+ button@600 {
+ label = "Back";
+ linux,code = <KEY_BACK>;
+ channel = <0>;
+ voltage = <600000>;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gt90h>;
+ /* FIXME this really is aldo1, correct once we've pmic support */
+ vmmc-supply = <®_vcc3v0>;
+ bus-width = <4>;
+ cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
+ cd-inverted;
+ status = "okay";
+};
+
+&pio {
+ mmc0_cd_pin_gt90h: mmc0_cd_pin@0 {
+ allwinner,pins = "PB4";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+};
+
+&r_uart {
+ pinctrl-names = "default";
+ pinctrl-0 = <&r_uart_pins_a>;
+ status = "okay";
+};
+
+/*
+ * FIXME for now we only support host mode and rely on u-boot to have
+ * turned on Vbus which is controlled by the axp223 pmic on the board.
+ *
+ * Once we have axp223 support we should switch to fully supporting otg.
+ */
+&usb_otg {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usbphy {
+ status = "okay";
+};
--
2.4.3
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