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05ffc630 HS |
1 | /* |
2 | * Google Veyron Pinky Rev 2 board device tree source | |
3 | * | |
4 | * Copyright 2015 Google, Inc | |
5 | * | |
6 | * This file is dual-licensed: you can use it either under the terms | |
7 | * of the GPL or the X11 license, at your option. Note that this dual | |
8 | * licensing only applies to this file, and not this project as a | |
9 | * whole. | |
10 | * | |
11 | * a) This file is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of the | |
14 | * License, or (at your option) any later version. | |
15 | * | |
16 | * This file is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * Or, alternatively, | |
22 | * | |
23 | * b) Permission is hereby granted, free of charge, to any person | |
24 | * obtaining a copy of this software and associated documentation | |
25 | * files (the "Software"), to deal in the Software without | |
26 | * restriction, including without limitation the rights to use, | |
27 | * copy, modify, merge, publish, distribute, sublicense, and/or | |
28 | * sell copies of the Software, and to permit persons to whom the | |
29 | * Software is furnished to do so, subject to the following | |
30 | * conditions: | |
31 | * | |
32 | * The above copyright notice and this permission notice shall be | |
33 | * included in all copies or substantial portions of the Software. | |
34 | * | |
35 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
36 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
37 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
38 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
39 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
40 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
41 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
42 | * OTHER DEALINGS IN THE SOFTWARE. | |
43 | */ | |
44 | ||
45 | /dts-v1/; | |
46 | #include "rk3288-veyron-chromebook.dtsi" | |
47 | #include "cros-ec-sbs.dtsi" | |
48 | ||
49 | / { | |
50 | model = "Google Pinky"; | |
51 | compatible = "google,veyron-pinky-rev2", "google,veyron-pinky", | |
52 | "google,veyron", "rockchip,rk3288"; | |
53 | ||
54 | /delete-node/emmc-pwrseq; | |
55 | }; | |
56 | ||
57 | &emmc { | |
58 | /* | |
59 | * Use a pullup instead of a drive since the output is 3.3V and | |
60 | * really should be 1.8V (oops). The external pulldown will help | |
61 | * bring the voltage down if we only drive with a pullup here. | |
62 | * Therefore disable the powerseq (and actual reset) for pinky. | |
63 | */ | |
64 | /delete-property/mmc-pwrseq; | |
65 | pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_reset>; | |
66 | }; | |
67 | ||
68 | &gpio_keys { | |
69 | pinctrl-0 = <&pwr_key_h &ap_lid_int_l>; | |
70 | ||
71 | power { | |
72 | gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>; | |
73 | }; | |
74 | }; | |
75 | ||
76 | /* Touchpad connector */ | |
77 | &i2c3 { | |
78 | status = "okay"; | |
79 | ||
80 | clock-frequency = <400000>; | |
81 | i2c-scl-falling-time-ns = <50>; | |
82 | i2c-scl-rising-time-ns = <300>; | |
83 | }; | |
84 | ||
85 | &pinctrl { | |
86 | buttons { | |
87 | pwr_key_h: pwr-key-h { | |
88 | rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_none>; | |
89 | }; | |
90 | }; | |
91 | ||
92 | emmc { | |
93 | emmc_reset: emmc-reset { | |
94 | rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_up>; | |
95 | }; | |
96 | }; | |
97 | ||
98 | sdmmc { | |
99 | sdmmc_wp_gpio: sdmmc-wp-gpio { | |
100 | rockchip,pins = <7 10 RK_FUNC_GPIO &pcfg_pull_up>; | |
101 | }; | |
102 | }; | |
103 | }; | |
104 | ||
105 | &rk808 { | |
106 | regulators { | |
107 | vcc18_lcd: SWITCH_REG2 { | |
108 | regulator-always-on; | |
109 | regulator-boot-on; | |
110 | regulator-name = "vcc18_lcd"; | |
111 | regulator-state-mem { | |
467fb18a | 112 | regulator-off-in-suspend; |
05ffc630 HS |
113 | }; |
114 | }; | |
115 | }; | |
116 | }; | |
117 | ||
118 | &sdmmc { | |
119 | pinctrl-names = "default"; | |
120 | pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd_disabled &sdmmc_cd_gpio | |
121 | &sdmmc_wp_gpio &sdmmc_bus4>; | |
122 | wp-gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>; | |
123 | }; | |
124 | ||
125 | &tsadc { | |
126 | /* Some connection is flaky making the tsadc hang the system */ | |
127 | status = "disabled"; | |
128 | }; |