arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Google Trogdor dts fragment for the boards with TI sn65dsi86 edp bridge
   4  *
   5  * Copyright 2021 Google LLC.
   6  */
   7
   8 #include <dt-bindings/gpio/gpio.h>
   9
  10 &dsi0_out {
  11         remote-endpoint = <&sn65dsi86_in>;
  12 };
  13
  14 edp_brij_i2c: &i2c2 {
  15         status = "okay";
  16         clock-frequency = <400000>;
  17
  18         sn65dsi86_bridge: bridge@2d {
  19                 compatible = "ti,sn65dsi86";
  20                 reg = <0x2d>;
  21                 pinctrl-names = "default";
  22                 pinctrl-0 = <&edp_brij_en>, <&edp_brij_irq>;
  23                 gpio-controller;
  24                 #gpio-cells = <2>;
  25
  26                 interrupt-parent = <&tlmm>;
  27                 interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
  28
  29                 enable-gpios = <&tlmm 104 GPIO_ACTIVE_HIGH>;
  30
  31                 vpll-supply = <&pp1800_edp_vpll>;
  32                 vccio-supply = <&pp1800_brij_vccio>;
  33                 vcca-supply = <&pp1200_brij>;
  34                 vcc-supply = <&pp1200_brij>;
  35
  36                 clocks = <&rpmhcc RPMH_LN_BB_CLK3>;
  37                 clock-names = "refclk";
  38
  39                 no-hpd;
  40
  41                 ports {
  42                         #address-cells = <1>;
  43                         #size-cells = <0>;
  44
  45                         port@0 {
  46                                 reg = <0>;
  47                                 sn65dsi86_in: endpoint {
  48                                         remote-endpoint = <&dsi0_out>;
  49                                 };
  50                         };
  51
  52                         port@1 {
  53                                 reg = <1>;
  54                                 sn65dsi86_out: endpoint {
  55                                         data-lanes = <0 1>;
  56                                         remote-endpoint = <&panel_in_edp>;
  57                                 };
  58                         };
  59                 };
  60
  61                 aux-bus {
  62                         panel: panel {
  63                                 /* Compatible will be filled in per-board */
  64                                 power-supply = <&pp3300_dx_edp>;
  65                                 backlight = <&backlight>;
  66                                 hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>;
  67
  68                                 port {
  69                                         panel_in_edp: endpoint {
  70                                                 remote-endpoint = <&sn65dsi86_out>;
  71                                         };
  72                                 };
  73                         };
  74                 };
  75         };
  76 };
  77
  78 &tlmm {
  79         edp_brij_irq: edp-brij-irq {
  80                 pinmux {
  81                         pins = "gpio11";
  82                         function = "gpio";
  83                 };
  84
  85                 pinconf {
  86                         pins = "gpio11";
  87                         drive-strength = <2>;
  88                         bias-pull-down;
  89                 };
  90         };
  91 };