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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Google Trogdor dts fragment for the boards with TI sn65dsi86 edp bridge
*
* Copyright 2021 Google LLC.
*/
#include <dt-bindings/gpio/gpio.h>
/*
* 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 */
edp_brij_i2c: &i2c2 {
status = "okay";
clock-frequency = <400000>;
sn65dsi86_bridge: bridge@2d {
compatible = "ti,sn65dsi86";
reg = <0x2d>;
pinctrl-names = "default";
pinctrl-0 = <&edp_brij_en>, <&edp_brij_irq>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&tlmm>;
interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
enable-gpios = <&tlmm 104 GPIO_ACTIVE_HIGH>;
vpll-supply = <&pp1800_edp_vpll>;
vccio-supply = <&pp1800_brij_vccio>;
vcca-supply = <&pp1200_brij>;
vcc-supply = <&pp1200_brij>;
clocks = <&rpmhcc RPMH_LN_BB_CLK3>;
clock-names = "refclk";
no-hpd;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
sn65dsi86_in: endpoint {
remote-endpoint = <&mdss_dsi0_out>;
};
};
port@1 {
reg = <1>;
sn65dsi86_out: endpoint {
data-lanes = <0 1>;
remote-endpoint = <&panel_in_edp>;
};
};
};
aux-bus {
panel: panel {
/* Compatible will be filled in per-board */
power-supply = <&pp3300_dx_edp>;
backlight = <&backlight>;
hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>;
port {
panel_in_edp: endpoint {
remote-endpoint = <&sn65dsi86_out>;
};
};
};
};
};
};
&mdss_dsi0_out {
remote-endpoint = <&sn65dsi86_in>;
};
&tlmm {
edp_brij_irq: edp-brij-irq-state {
pins = "gpio11";
function = "gpio";
drive-strength = <2>;
bias-pull-down;
};
};
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