[PATCH] ARM: dts: sun8i: Add dts file for inet86dz board

[Chen-Yu Tsai]

Hi,

On Mon, Jun 13, 2016 at 1:55 AM, Hans de Goede <hdegoede at redhat.com> wrote:
> The inet86dz board is a board used in 7" tablets from various oems.
>
> These tablets are a23 based 7" tablets featuring a 1024x600 LCD,
> 512MB RAM, 4G NAND, rtl8188etv usb wifi, gsl1680 touchschreen,
> micro-sd slot, 3.5mm headphone jack and a micro-usb otg connector
> which doubles as charging port.

This seems awfully similar to the sun8i-a23-q8-tablet, any reason
not to include that or sun8i-q8-common.dtsi?

> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
>  arch/arm/boot/dts/Makefile               |   1 +
>  arch/arm/boot/dts/sun8i-a23-inet86dz.dts | 293 +++++++++++++++++++++++++++++++
>  2 files changed, 294 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun8i-a23-inet86dz.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 8223602..1ff5434 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -751,6 +751,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
>  dtb-$(CONFIG_MACH_SUN8I) += \
>         sun8i-a23-evb.dtb \
>         sun8i-a23-gt90h-v4.dtb \
> +       sun8i-a23-inet86dz.dtb \
>         sun8i-a23-ippo-q8h-v5.dtb \
>         sun8i-a23-ippo-q8h-v1.2.dtb \
>         sun8i-a23-polaroid-mid2407pxe03.dtb \
> diff --git a/arch/arm/boot/dts/sun8i-a23-inet86dz.dts b/arch/arm/boot/dts/sun8i-a23-inet86dz.dts
> new file mode 100644
> index 0000000..0405258
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-a23-inet86dz.dts
> @@ -0,0 +1,293 @@
> +/*
> + * Copyright 2016 Hans de Goede <hdegoede at redhat.com>
> + *
> + * 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>
> +#include <dt-bindings/pwm/pwm.h>
> +
> +/ {
> +       model = "INet-86DZ Rev 01";
> +       compatible = "primux,inet86dz", "allwinner,sun8i-a23";
> +
> +       aliases {
> +               serial0 = &r_uart;
> +       };
> +
> +       backlight: backlight {
> +               compatible = "pwm-backlight";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&bl_en_pin_inet86dz>;
> +               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 6 GPIO_ACTIVE_HIGH>; /* PH6 */
> +       };
> +
> +       chosen {
> +               stdout-path = "serial0:115200n8";
> +       };
> +};
> +
> +&ehci0 {
> +       status = "okay";
> +};
> +
> +&i2c0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&i2c0_pins_a>;
> +       status = "okay";
> +       /*
> +        * The gsl1680 is rated at 400KHz and it will not work reliable at
> +        * 100KHz, this has been confirmed on multiple different tablets.
> +        * The gsl1680 is the only device on this bus.
> +        */
> +       clock-frequency = <400000>;
> +
> +       gsl1680: touchscreen at 40 {
> +               compatible = "silead,gsl1680";

Do we already have a driver for this? I don't see one in linux-next.

> +               reg = <0x40>;
> +               interrupt-parent = <&pio>;
> +               interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>; /* PB5 */
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&ts_power_pin_inet86dz>;
> +               power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
> +               touchscreen-size-x = <960>;
> +               touchscreen-size-y = <640>;
> +               touchscreen-max-fingers = <5>;
> +               touchscreen-fw-name = "silead/gsl1680-inet86dz.fw";
> +       };
> +};
> +
> +&i2c1 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&i2c1_pins_a>;
> +       status = "okay";
> +};
> +
> +&lradc {
> +       vref-supply = <&reg_vcc3v0>;
> +       status = "okay";
> +
> +       button at 200 {
> +               label = "Volume Up";
> +               linux,code = <KEY_VOLUMEUP>;
> +               channel = <0>;
> +               voltage = <200000>;
> +       };
> +
> +       button at 400 {
> +               label = "Volume Down";
> +               linux,code = <KEY_VOLUMEDOWN>;
> +               channel = <0>;
> +               voltage = <400000>;
> +       };
> +};
> +
> +&mmc0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_inet86dz>;
> +       vmmc-supply = <&reg_dcdc1>;
> +       bus-width = <4>;
> +       cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
> +       cd-inverted;
> +       status = "okay";
> +};
> +
> +&pio {
> +       bl_en_pin_inet86dz: bl_en_pin at 0 {
> +               allwinner,pins = "PH6";
> +               allwinner,function = "gpio_in";
> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> +       };
> +
> +       mmc0_cd_pin_inet86dz: mmc0_cd_pin at 0 {
> +               allwinner,pins = "PB4";
> +               allwinner,function = "gpio_in";
> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +               allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
> +       };
> +
> +       ts_power_pin_inet86dz: ts_power_pin at 0 {
> +               allwinner,pins = "PH1";
> +               allwinner,function = "gpio_out";
> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> +       };
> +
> +       usb0_id_detect_pin: usb0_id_detect_pin at 0 {
> +               allwinner,pins = "PH8";
> +               allwinner,function = "gpio_in";
> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +               allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
> +       };
> +};
> +
> +&pwm {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pwm0_pins>;
> +       status = "okay";
> +};
> +
> +&r_rsb {
> +       status = "okay";
> +
> +       axp22x: pmic at 3a3 {
> +               compatible = "x-powers,axp223";
> +               reg = <0x3a3>;
> +               interrupt-parent = <&nmi_intc>;
> +               interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +               eldoin-supply = <&reg_dcdc1>;

Adding a drivevbus-supply referencing vcc_5v0 so it doesn't
show 0V would be nice.

ChenYu

> +               x-powers,drive-vbus-en;
> +       };
> +};
> +
> +&r_uart {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&r_uart_pins_a>;
> +       status = "okay";
> +};
> +
> +#include "axp22x.dtsi"
> +
> +&reg_aldo1 {
> +       regulator-always-on;
> +       regulator-min-microvolt = <3000000>;
> +       regulator-max-microvolt = <3000000>;
> +       regulator-name = "vcc-io";
> +};
> +
> +&reg_aldo2 {
> +       regulator-always-on;
> +       regulator-min-microvolt = <2350000>;
> +       regulator-max-microvolt = <2650000>;
> +       regulator-name = "vdd-dll";
> +};
> +
> +&reg_aldo3 {
> +       regulator-always-on;
> +       regulator-min-microvolt = <2700000>;
> +       regulator-max-microvolt = <3300000>;
> +       regulator-name = "vcc-pll-avcc";
> +};
> +
> +&reg_dc1sw {
> +       regulator-name = "vcc-lcd";
> +};
> +
> +&reg_dc5ldo {
> +       regulator-always-on;
> +       regulator-min-microvolt = <900000>;
> +       regulator-max-microvolt = <1400000>;
> +       regulator-name = "vdd-cpus";
> +};
> +
> +&reg_dcdc1 {
> +       regulator-always-on;
> +       regulator-min-microvolt = <3000000>;
> +       regulator-max-microvolt = <3000000>;
> +       regulator-name = "vcc-3v0";
> +};
> +
> +&reg_dcdc2 {
> +       regulator-always-on;
> +       regulator-min-microvolt = <900000>;
> +       regulator-max-microvolt = <1400000>;
> +       regulator-name = "vdd-sys";
> +};
> +
> +&reg_dcdc3 {
> +       regulator-always-on;
> +       regulator-min-microvolt = <900000>;
> +       regulator-max-microvolt = <1400000>;
> +       regulator-name = "vdd-cpu";
> +};
> +
> +&reg_dcdc5 {
> +       regulator-always-on;
> +       regulator-min-microvolt = <1500000>;
> +       regulator-max-microvolt = <1500000>;
> +       regulator-name = "vcc-dram";
> +};
> +
> +&reg_dldo1 {
> +       regulator-min-microvolt = <3300000>;
> +       regulator-max-microvolt = <3300000>;
> +       regulator-name = "vcc-wifi";
> +};
> +
> +&reg_drivevbus {
> +       regulator-name = "usb0-vbus";
> +       status = "okay";
> +};
> +
> +&reg_rtc_ldo {
> +       regulator-name = "vcc-rtc";
> +};
> +
> +&simplefb_lcd {
> +       vcc-lcd-supply = <&reg_dc1sw>;
> +};
> +
> +&usb_otg {
> +       dr_mode = "otg";
> +       status = "okay";
> +};
> +
> +&usb_power_supply {
> +       status = "okay";
> +};
> +
> +&usbphy {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&usb0_id_detect_pin>;
> +       usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
> +       usb0_vbus_power-supply = <&usb_power_supply>;
> +       usb0_vbus-supply = <&reg_drivevbus>;
> +       usb1_vbus-supply = <&reg_dldo1>;
> +       status = "okay";
> +};
> --
> 2.7.4
>