| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | /* |
| 11 | * ADDITIONS TO FIXED REGULATORS DEFINED IN PARENT DEVICE TREE FILES |
| 12 | * |
| 13 | * Sort order matches the order in the parent files (parents before children). |
| 14 | */ |
| 15 | |
| 16 | &pp3300_dx_edp { |
| 17 | off-on-delay-us = <500000>; |
| 18 | |
| 19 | /* |
| 20 | * It's nicer to start with this regulator enabled. The |
| 21 | * bootloader may have left it on and it's nice not to cause an |
| 22 | * extra power cycle of the touchscreen and eDP panel at bootup. |
| 23 | * This should help speed bootup because we have off-on-delay-us. |
| 24 | */ |
| 25 | regulator-boot-on; |
| 26 | }; |
| 27 | |
| 28 | /* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */ |
| 29 | |
| 30 | edp_brij_i2c: &i2c2 { |
| 31 | status = "okay"; |
| 32 | clock-frequency = <400000>; |
| 33 | |
| 34 | sn65dsi86_bridge: bridge@2d { |
| 35 | compatible = "ti,sn65dsi86"; |
| 36 | reg = <0x2d>; |
| 37 | pinctrl-names = "default"; |
| 38 | pinctrl-0 = <&edp_brij_en>, <&edp_brij_irq>; |
| 39 | gpio-controller; |
| 40 | #gpio-cells = <2>; |
| 41 | |
| 42 | interrupt-parent = <&tlmm>; |
| 43 | interrupts = <11 IRQ_TYPE_LEVEL_HIGH>; |
| 44 | |
| 45 | enable-gpios = <&tlmm 104 GPIO_ACTIVE_HIGH>; |
| 46 | |
| 47 | vpll-supply = <&pp1800_edp_vpll>; |
| 48 | vccio-supply = <&pp1800_brij_vccio>; |
| 49 | vcca-supply = <&pp1200_brij>; |
| 50 | vcc-supply = <&pp1200_brij>; |
| 51 | |
| 52 | clocks = <&rpmhcc RPMH_LN_BB_CLK3>; |
| 53 | clock-names = "refclk"; |
| 54 | |
| 55 | no-hpd; |
| 56 | |
| 57 | ports { |
| 58 | #address-cells = <1>; |
| 59 | #size-cells = <0>; |
| 60 | |
| 61 | port@0 { |
| 62 | reg = <0>; |
| 63 | sn65dsi86_in: endpoint { |
| 64 | remote-endpoint = <&mdss_dsi0_out>; |
| 65 | }; |
| 66 | }; |
| 67 | |
| 68 | port@1 { |
| 69 | reg = <1>; |
| 70 | sn65dsi86_out: endpoint { |
| 71 | data-lanes = <0 1>; |
| 72 | remote-endpoint = <&panel_in_edp>; |
| 73 | }; |
| 74 | }; |
| 75 | }; |
| 76 | |
| 77 | aux-bus { |
| 78 | panel: panel { |
| 79 | /* Compatible will be filled in per-board */ |
| 80 | power-supply = <&pp3300_dx_edp>; |
| 81 | backlight = <&backlight>; |
| 82 | hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; |
| 83 | |
| 84 | port { |
| 85 | panel_in_edp: endpoint { |
| 86 | remote-endpoint = <&sn65dsi86_out>; |
| 87 | }; |
| 88 | }; |
| 89 | }; |
| 90 | }; |
| 91 | }; |
| 92 | }; |
| 93 | |
| 94 | &mdss_dsi0_out { |
| 95 | remote-endpoint = <&sn65dsi86_in>; |
| 96 | }; |
| 97 | |
| 98 | &tlmm { |
| 99 | edp_brij_irq: edp-brij-irq-state { |
| 100 | pins = "gpio11"; |
| 101 | function = "gpio"; |
| 102 | drive-strength = <2>; |
| 103 | bias-pull-down; |
| 104 | }; |
| 105 | }; |