| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * FriendlyARM's Exynos4412 based TINY4412 board device tree source |
| 4 | * |
| 5 | * Copyright (c) 2013 Alex Ling <kasimling@gmail.com> |
| 6 | * |
| 7 | * Device tree source file for FriendlyARM's TINY4412 board which is based on |
| 8 | * Samsung's Exynos4412 SoC. |
| 9 | */ |
| 10 | |
| 11 | /dts-v1/; |
| 12 | #include "exynos4412.dtsi" |
| 13 | #include <dt-bindings/gpio/gpio.h> |
| 14 | #include <dt-bindings/leds/common.h> |
| 15 | |
| 16 | / { |
| 17 | model = "FriendlyARM TINY4412 board based on Exynos4412"; |
| 18 | compatible = "friendlyarm,tiny4412", "samsung,exynos4412", "samsung,exynos4"; |
| 19 | |
| 20 | aliases { |
| 21 | mmc0 = &sdhci_2; |
| 22 | }; |
| 23 | |
| 24 | chosen { |
| 25 | stdout-path = &serial_0; |
| 26 | }; |
| 27 | |
| 28 | memory@40000000 { |
| 29 | device_type = "memory"; |
| 30 | reg = <0x40000000 0x40000000>; |
| 31 | }; |
| 32 | |
| 33 | leds { |
| 34 | compatible = "gpio-leds"; |
| 35 | |
| 36 | led1 { |
| 37 | label = "led1"; |
| 38 | function = LED_FUNCTION_HEARTBEAT; |
| 39 | gpios = <&gpm4 0 GPIO_ACTIVE_LOW>; |
| 40 | default-state = "off"; |
| 41 | linux,default-trigger = "heartbeat"; |
| 42 | }; |
| 43 | |
| 44 | led2 { |
| 45 | label = "led2"; |
| 46 | gpios = <&gpm4 1 GPIO_ACTIVE_LOW>; |
| 47 | default-state = "off"; |
| 48 | }; |
| 49 | |
| 50 | led3 { |
| 51 | label = "led3"; |
| 52 | gpios = <&gpm4 2 GPIO_ACTIVE_LOW>; |
| 53 | default-state = "off"; |
| 54 | }; |
| 55 | |
| 56 | led4 { |
| 57 | label = "led4"; |
| 58 | function = LED_FUNCTION_DISK_ACTIVITY; |
| 59 | gpios = <&gpm4 3 GPIO_ACTIVE_LOW>; |
| 60 | default-state = "off"; |
| 61 | linux,default-trigger = "mmc0"; |
| 62 | }; |
| 63 | }; |
| 64 | |
| 65 | fixed-rate-clocks { |
| 66 | xxti { |
| 67 | compatible = "samsung,clock-xxti"; |
| 68 | clock-frequency = <0>; |
| 69 | }; |
| 70 | |
| 71 | xusbxti { |
| 72 | compatible = "samsung,clock-xusbxti"; |
| 73 | clock-frequency = <24000000>; |
| 74 | }; |
| 75 | |
| 76 | pmic_ap_clk: pmic-ap-clk { |
| 77 | /* Workaround for missing clock on PMIC */ |
| 78 | compatible = "fixed-clock"; |
| 79 | #clock-cells = <0>; |
| 80 | clock-frequency = <32768>; |
| 81 | }; |
| 82 | }; |
| 83 | |
| 84 | panel { |
| 85 | compatible = "innolux,at070tn92"; |
| 86 | power-supply = <&vddq_lcd>; |
| 87 | |
| 88 | port { |
| 89 | panel_input: endpoint { |
| 90 | remote-endpoint = <&lcdc_output>; |
| 91 | }; |
| 92 | }; |
| 93 | }; |
| 94 | |
| 95 | vddq_lcd: regulator-vddq-lcd { |
| 96 | compatible = "regulator-fixed"; |
| 97 | regulator-name = "vddq-lcd"; |
| 98 | regulator-min-microvolt = <1800000>; |
| 99 | regulator-max-microvolt = <1800000>; |
| 100 | }; |
| 101 | }; |
| 102 | |
| 103 | &cpu_thermal { |
| 104 | cooling-maps { |
| 105 | cooling_map0: map0 { |
| 106 | /* Corresponds to 800MHz at freq_table */ |
| 107 | cooling-device = <&cpu0 7 7>, <&cpu1 7 7>, |
| 108 | <&cpu2 7 7>, <&cpu3 7 7>; |
| 109 | }; |
| 110 | cooling_map1: map1 { |
| 111 | /* Corresponds to 200MHz at freq_table */ |
| 112 | cooling-device = <&cpu0 13 13>, <&cpu1 13 13>, |
| 113 | <&cpu2 13 13>, <&cpu3 13 13>; |
| 114 | }; |
| 115 | }; |
| 116 | }; |
| 117 | |
| 118 | &fimd { |
| 119 | pinctrl-0 = <&lcd_clk>, <&lcd_data24>; |
| 120 | pinctrl-names = "default"; |
| 121 | #address-cells = <1>; |
| 122 | #size-cells = <0>; |
| 123 | status = "okay"; |
| 124 | |
| 125 | port@3 { |
| 126 | reg = <3>; |
| 127 | lcdc_output: endpoint { |
| 128 | remote-endpoint = <&panel_input>; |
| 129 | }; |
| 130 | }; |
| 131 | }; |
| 132 | |
| 133 | &rtc { |
| 134 | status = "okay"; |
| 135 | clocks = <&clock CLK_RTC>, <&pmic_ap_clk>; |
| 136 | clock-names = "rtc", "rtc_src"; |
| 137 | }; |
| 138 | |
| 139 | &sdhci_2 { |
| 140 | bus-width = <4>; |
| 141 | pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>; |
| 142 | pinctrl-names = "default"; |
| 143 | status = "okay"; |
| 144 | }; |
| 145 | |
| 146 | &serial_0 { |
| 147 | status = "okay"; |
| 148 | }; |
| 149 | |
| 150 | &serial_1 { |
| 151 | status = "okay"; |
| 152 | }; |
| 153 | |
| 154 | &serial_2 { |
| 155 | status = "okay"; |
| 156 | }; |
| 157 | |
| 158 | &serial_3 { |
| 159 | status = "okay"; |
| 160 | }; |