mirror of
https://github.com/torvalds/linux.git
synced 2024-12-29 14:21:47 +00:00
8826532c76
mmc2 has a special pin for eMMC hardware reset, which is controllable from the controller. Add the "mmc-cap-hw-reset" property to denote that this controller supports this function, and the pins are actually used. Also increase the signal drive strength for mmc2 pins, for HS-DDR mode support. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
136 lines
3.7 KiB
Plaintext
136 lines
3.7 KiB
Plaintext
/*
|
|
* Copyright 2015 Tyler Baker
|
|
*
|
|
* Tyler Baker <tyler.baker@linaro.org>
|
|
* Chen-Yu Tsai <wens@csie.org>
|
|
*
|
|
* 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 "sun9i-a80.dtsi"
|
|
#include "sunxi-common-regulators.dtsi"
|
|
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
#include <dt-bindings/pinctrl/sun4i-a10.h>
|
|
|
|
/ {
|
|
model = "Cubietech Cubieboard4";
|
|
compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80";
|
|
|
|
aliases {
|
|
serial0 = &uart0;
|
|
};
|
|
|
|
chosen {
|
|
stdout-path = "serial0:115200n8";
|
|
};
|
|
|
|
leds {
|
|
compatible = "gpio-leds";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&led_pins_cubieboard4>;
|
|
|
|
green {
|
|
label = "cubieboard4:green:usr";
|
|
gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
|
|
};
|
|
|
|
red {
|
|
label = "cubieboard4:red:usr";
|
|
gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
|
|
};
|
|
};
|
|
};
|
|
|
|
&pio {
|
|
led_pins_cubieboard4: led-pins@0 {
|
|
allwinner,pins = "PH6", "PH17";
|
|
allwinner,function = "gpio_out";
|
|
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
|
|
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
|
|
};
|
|
|
|
mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 {
|
|
allwinner,pins = "PH18";
|
|
allwinner,function = "gpio_in";
|
|
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
|
|
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
|
|
};
|
|
};
|
|
|
|
&mmc0 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cubieboard4>;
|
|
vmmc-supply = <®_vcc3v0>;
|
|
bus-width = <4>;
|
|
cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */
|
|
cd-inverted;
|
|
status = "okay";
|
|
};
|
|
|
|
&mmc2 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&mmc2_8bit_pins>;
|
|
vmmc-supply = <®_vcc3v0>;
|
|
bus-width = <8>;
|
|
non-removable;
|
|
cap-mmc-hw-reset;
|
|
status = "okay";
|
|
};
|
|
|
|
&mmc2_8bit_pins {
|
|
/* Increase drive strength for DDR modes */
|
|
allwinner,drive = <SUN4I_PINCTRL_40_MA>;
|
|
};
|
|
|
|
&r_ir {
|
|
status = "okay";
|
|
};
|
|
|
|
&r_rsb {
|
|
status = "okay";
|
|
};
|
|
|
|
&uart0 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&uart0_pins_a>;
|
|
status = "okay";
|
|
};
|