mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-28 05:24:47 +08:00
d4eac998b9
The Reduced Serial Bus controller is used to talk to the onboard PMIC. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
102 lines
3.2 KiB
Plaintext
102 lines
3.2 KiB
Plaintext
/*
|
|
* Copyright 2015 Hans de Goede <hdegoede@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.
|
|
*/
|
|
#include "sunxi-q8-common.dtsi"
|
|
|
|
#include <dt-bindings/pwm/pwm.h>
|
|
|
|
/ {
|
|
aliases {
|
|
serial0 = &r_uart;
|
|
};
|
|
|
|
backlight: backlight {
|
|
compatible = "pwm-backlight";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&bl_en_pin_q8>;
|
|
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 */
|
|
/* backlight is powered by AXP223 DC1SW */
|
|
};
|
|
|
|
chosen {
|
|
stdout-path = "serial0:115200n8";
|
|
};
|
|
};
|
|
|
|
&mmc0 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_q8>;
|
|
vmmc-supply = <®_vcc3v0>;
|
|
bus-width = <4>;
|
|
cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
|
|
cd-inverted;
|
|
status = "okay";
|
|
};
|
|
|
|
&pio {
|
|
bl_en_pin_q8: bl_en_pin@0 {
|
|
allwinner,pins = "PH6";
|
|
allwinner,function = "gpio_in";
|
|
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
|
|
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
|
|
};
|
|
|
|
mmc0_cd_pin_q8: mmc0_cd_pin@0 {
|
|
allwinner,pins = "PB4";
|
|
allwinner,function = "gpio_in";
|
|
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
|
|
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
|
|
};
|
|
};
|
|
|
|
&r_rsb {
|
|
status = "okay";
|
|
};
|
|
|
|
&r_uart {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&r_uart_pins_a>;
|
|
status = "okay";
|
|
};
|