120 lines
2.4 KiB
Plaintext
120 lines
2.4 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
|
|
/*
|
|
* Google Trogdor dts fragment for the boards with Parade ps8640 edp bridge
|
|
*
|
|
* Copyright 2021 Google LLC.
|
|
*/
|
|
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
/ {
|
|
pp3300_brij_ps8640: pp3300-brij-ps8640-regulator {
|
|
compatible = "regulator-fixed";
|
|
status = "okay";
|
|
regulator-name = "pp3300_brij_ps8640";
|
|
|
|
regulator-min-microvolt = <3300000>;
|
|
regulator-max-microvolt = <3300000>;
|
|
|
|
gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>;
|
|
enable-active-high;
|
|
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&en_pp3300_edp_brij_ps8640>;
|
|
|
|
vin-supply = <&pp3300_a>;
|
|
};
|
|
};
|
|
|
|
/*
|
|
* ADDITIONS TO FIXED REGULATORS DEFINED IN PARENT DEVICE TREE FILES
|
|
*
|
|
* Sort order matches the order in the parent files (parents before children).
|
|
*/
|
|
|
|
&pp3300_dx_edp {
|
|
off-on-delay-us = <500000>;
|
|
|
|
/*
|
|
* It's nicer to start with this regulator enabled. The
|
|
* bootloader may have left it on and it's nice not to cause an
|
|
* extra power cycle of the touchscreen and eDP panel at bootup.
|
|
* This should help speed bootup because we have off-on-delay-us.
|
|
*/
|
|
regulator-boot-on;
|
|
};
|
|
|
|
/* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */
|
|
|
|
&dsi0_out {
|
|
remote-endpoint = <&ps8640_in>;
|
|
};
|
|
|
|
edp_brij_i2c: &i2c2 {
|
|
status = "okay";
|
|
clock-frequency = <400000>;
|
|
|
|
ps8640_bridge: bridge@8 {
|
|
compatible = "parade,ps8640";
|
|
reg = <0x8>;
|
|
|
|
powerdown-gpios = <&tlmm 104 GPIO_ACTIVE_LOW>;
|
|
reset-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>;
|
|
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&edp_brij_en>, <&edp_brij_ps8640_rst>;
|
|
|
|
vdd12-supply = <&pp1200_brij>;
|
|
vdd33-supply = <&pp3300_brij_ps8640>;
|
|
|
|
ports {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
port@0 {
|
|
reg = <0>;
|
|
ps8640_in: endpoint {
|
|
remote-endpoint = <&dsi0_out>;
|
|
};
|
|
};
|
|
|
|
port@1 {
|
|
reg = <1>;
|
|
ps8640_out: endpoint {
|
|
remote-endpoint = <&panel_in_edp>;
|
|
};
|
|
};
|
|
};
|
|
|
|
aux-bus {
|
|
panel: panel {
|
|
/* Compatible will be filled in per-board */
|
|
power-supply = <&pp3300_dx_edp>;
|
|
backlight = <&backlight>;
|
|
|
|
port {
|
|
panel_in_edp: endpoint {
|
|
remote-endpoint = <&ps8640_out>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
&tlmm {
|
|
edp_brij_ps8640_rst: edp-brij-ps8640-rst-state {
|
|
pins = "gpio11";
|
|
function = "gpio";
|
|
drive-strength = <2>;
|
|
bias-disable;
|
|
};
|
|
|
|
en_pp3300_edp_brij_ps8640: en-pp3300-edp-brij-ps8640-state {
|
|
pins = "gpio32";
|
|
function = "gpio";
|
|
drive-strength = <2>;
|
|
bias-disable;
|
|
};
|
|
};
|