[PATCH v2] arm: dts: sun8i: Add the TBS A711 tablet devicetree
Chen-Yu Tsai
wens at csie.org
Fri Sep 1 06:55:27 PDT 2017
On Fri, Sep 1, 2017 at 9:48 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> The TBS A711 is a tablet with an A83T, a modem, wifi/BT chip, an eMMC and a
> 1024x600 LVDS display.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
> ---
> Changes from v1:
> - Added the vqmmc
> - Added the vbus supplies to the PHY
> - Changed a bit the uart1 pinctrl formatting
>
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 199 ++++++++++++++++++++++++++++++
> 2 files changed, 200 insertions(+)
> create mode 100644 arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index d9af20b65932..237c16055154 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -906,6 +906,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
> sun8i-a83t-allwinner-h8homlet-v2.dtb \
> sun8i-a83t-bananapi-m3.dtb \
> sun8i-a83t-cubietruck-plus.dtb \
> + sun8i-a83t-tbs-a711.dtb \
> sun8i-h2-plus-orangepi-zero.dtb \
> sun8i-h3-bananapi-m2-plus.dtb \
> sun8i-h3-beelink-x2.dtb \
> diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> new file mode 100644
> index 000000000000..723641f56a74
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> @@ -0,0 +1,199 @@
> +/*
> + * Copyright (C) 2017 Touchless Biometric Systems AG
> + * Tomas Novotny <tomas at novotny.cz>
> + *
> + * 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-a83t.dtsi"
> +#include "sunxi-common-regulators.dtsi"
> +
> +/ {
> + model = "TBS A711 Tablet";
> + compatible = "tbs-biometrics,a711", "allwinner,sun8i-a83t";
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + reg_vbat: reg-vbat {
> + compatible = "regulator-fixed";
> + regulator-name = "vbat";
> + regulator-min-microvolt = <3700000>;
> + regulator-max-microvolt = <3700000>;
> + };
> +
> + reg_vmain: reg-vmain {
> + compatible = "regulator-fixed";
> + regulator-name = "vmain";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + vin-supply = <®_vbat>;
> + };
> +
> + wifi_pwrseq: wifi_pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
> +
> + /*
> + * This is actually Bluetooth's clock, but we have to
> + * hook it up somewheere
> + */
> + clocks = <&ac100_rtc 1>;
> + clock-names = "ext_clock";
> + };
> +};
> +
> +/*
> + * An USB-2 hub is connected here, which also means we don't need to
> + * enable the OHCI controller.
> + */
> +&ehci0 {
> + status = "okay";
> +};
> +
> +/*
> + * There's a modem connected here that needs to be initialised before
> + * being able to be enumerated.
> + */
> +&ehci1 {
> + status = "okay";
> +};
> +
> +&mmc0 {
> + vmmc-supply = <®_vcc3v3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc0_pins>;
> + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> +
> +&mmc1 {
> + mmc-pwrseq = <&wifi_pwrseq>;
> + bus-width = <4>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc1_pins>;
> + vmmc-supply = <®_vcc3v3>;
> + vqmmc-supply = <®_vcc3v3>;
> + non-removable;
> + wakeup-source;
> + status = "okay";
> +
> + brcmf: wifi at 1 {
> + reg = <1>;
> + compatible = "brcm,bcm4329-fmac";
> + interrupt-parent = <&r_pio>;
> + interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
> + interrupt-names = "host-wake";
> + };
> +};
> +
> +&mmc2 {
> + pinctrl-0 = <&mmc2_8bit_emmc_pins>;
> + pinctrl-names = "default";
> + vmmc-supply = <®_vcc3v3>;
> + vqmmc-supply = <®_vcc3v3>;
> + bus-width = <8>;
> + non-removable;
> + cap-mmc-hw-reset;
> + status = "okay";
> +};
> +
> +&r_rsb {
> + status = "okay";
> +
> + axp813: pmic at 3a3 {
> + compatible = "x-powers,axp813";
> + reg = <0x3a3>;
> + interrupt-parent = <&r_intc>;
> + interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> + };
> +
> + ac100: codec at e89 {
> + compatible = "x-powers,ac100";
> + reg = <0xe89>;
> +
> + ac100_codec: codec {
> + compatible = "x-powers,ac100-codec";
> + interrupt-parent = <&r_pio>;
> + interrupts = <0 12 IRQ_TYPE_LEVEL_LOW>; /* PL12 */
> + #clock-cells = <0>;
> + clock-output-names = "4M_adda";
> + };
> +
> + ac100_rtc: rtc {
> + compatible = "x-powers,ac100-rtc";
> + interrupt-parent = <&r_intc>;
> + interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&ac100_codec>;
> + #clock-cells = <1>;
> + clock-output-names = "cko1_rtc",
> + "cko2_rtc",
> + "cko3_rtc";
> + };
> + };
> +
> +};
> +
> +&uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart0_pb_pins>;
> + status = "okay";
> +};
> +
> +/* There's the BT part of the AP6210 connected to that UART */
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
> + status = "okay";
> +};
> +
> +&usbphy {
> + usb1_vbus_supply = <®_vcc5v0>;
> + usb2_vbus_supply = <®_vcc5v0>;
OK. I was expecting something more controllable. If it's always on,
like tied to system 5V power, then there's little point in adding
them. It's just a dummy regulator either way.
Otherwise,
Reviewed-by: Chen-Yu Tsai <wens at csie.org>
BTW, do you have access to schematics for this tablet?
> + status = "okay";
> +};
> --
> 2.13.5
>
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