| // 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; |
| }; |
| }; |
