| 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 Parade ps8640 edp bridge |
| 4 | * |
| 5 | * Copyright 2021 Google LLC. |
| 6 | */ |
| 7 | |
| 8 | #include <dt-bindings/gpio/gpio.h> |
| 9 | |
| 10 | / { |
| 11 | pp3300_brij_ps8640: pp3300-brij-ps8640-regulator { |
| 12 | compatible = "regulator-fixed"; |
| 13 | status = "okay"; |
| 14 | regulator-name = "pp3300_brij_ps8640"; |
| 15 | |
| 16 | regulator-min-microvolt = <3300000>; |
| 17 | regulator-max-microvolt = <3300000>; |
| 18 | |
| 19 | gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>; |
| 20 | enable-active-high; |
| 21 | |
| 22 | pinctrl-names = "default"; |
| 23 | pinctrl-0 = <&en_pp3300_edp_brij_ps8640>; |
| 24 | |
| 25 | vin-supply = <&pp3300_a>; |
| 26 | }; |
| 27 | }; |
| 28 | |
| 29 | /* |
| 30 | * ADDITIONS TO FIXED REGULATORS DEFINED IN PARENT DEVICE TREE FILES |
| 31 | * |
| 32 | * Sort order matches the order in the parent files (parents before children). |
| 33 | */ |
| 34 | |
| 35 | &pp3300_dx_edp { |
| 36 | off-on-delay-us = <500000>; |
| 37 | |
| 38 | /* |
| 39 | * It's nicer to start with this regulator enabled. The |
| 40 | * bootloader may have left it on and it's nice not to cause an |
| 41 | * extra power cycle of the touchscreen and eDP panel at bootup. |
| 42 | * This should help speed bootup because we have off-on-delay-us. |
| 43 | */ |
| 44 | regulator-boot-on; |
| 45 | }; |
| 46 | |
| 47 | /* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */ |
| 48 | |
| 49 | edp_brij_i2c: &i2c2 { |
| 50 | status = "okay"; |
| 51 | clock-frequency = <400000>; |
| 52 | |
| 53 | ps8640_bridge: bridge@8 { |
| 54 | compatible = "parade,ps8640"; |
| 55 | reg = <0x8>; |
| 56 | |
| 57 | powerdown-gpios = <&tlmm 104 GPIO_ACTIVE_LOW>; |
| 58 | reset-gpios = <&tlmm 11 GPIO_ACTIVE_LOW>; |
| 59 | |
| 60 | pinctrl-names = "default"; |
| 61 | pinctrl-0 = <&edp_brij_en>, <&edp_brij_ps8640_rst>; |
| 62 | |
| 63 | vdd12-supply = <&pp1200_brij>; |
| 64 | vdd33-supply = <&pp3300_brij_ps8640>; |
| 65 | |
| 66 | ports { |
| 67 | #address-cells = <1>; |
| 68 | #size-cells = <0>; |
| 69 | |
| 70 | port@0 { |
| 71 | reg = <0>; |
| 72 | ps8640_in: endpoint { |
| 73 | remote-endpoint = <&mdss_dsi0_out>; |
| 74 | }; |
| 75 | }; |
| 76 | |
| 77 | port@1 { |
| 78 | reg = <1>; |
| 79 | ps8640_out: endpoint { |
| 80 | remote-endpoint = <&panel_in_edp>; |
| 81 | }; |
| 82 | }; |
| 83 | }; |
| 84 | |
| 85 | aux-bus { |
| 86 | panel: panel { |
| 87 | /* Compatible will be filled in per-board */ |
| 88 | power-supply = <&pp3300_dx_edp>; |
| 89 | backlight = <&backlight>; |
| 90 | |
| 91 | port { |
| 92 | panel_in_edp: endpoint { |
| 93 | remote-endpoint = <&ps8640_out>; |
| 94 | }; |
| 95 | }; |
| 96 | }; |
| 97 | }; |
| 98 | }; |
| 99 | }; |
| 100 | |
| 101 | &mdss_dsi0_out { |
| 102 | remote-endpoint = <&ps8640_in>; |
| 103 | }; |
| 104 | |
| 105 | &tlmm { |
| 106 | edp_brij_ps8640_rst: edp-brij-ps8640-rst-state { |
| 107 | pins = "gpio11"; |
| 108 | function = "gpio"; |
| 109 | drive-strength = <2>; |
| 110 | bias-disable; |
| 111 | }; |
| 112 | |
| 113 | en_pp3300_edp_brij_ps8640: en-pp3300-edp-brij-ps8640-state { |
| 114 | pins = "gpio32"; |
| 115 | function = "gpio"; |
| 116 | drive-strength = <2>; |
| 117 | bias-disable; |
| 118 | }; |
| 119 | }; |