Patrick Delaunay | 06020d8 | 2018-03-12 10:46:17 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ |
| 2 | /* |
| 3 | * Copyright (C) STMicroelectronics 2017 - All Rights Reserved |
| 4 | * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics. |
| 5 | */ |
| 6 | |
| 7 | /dts-v1/; |
| 8 | |
| 9 | #include "stm32mp157.dtsi" |
| 10 | #include <dt-bindings/gpio/gpio.h> |
| 11 | #include <dt-bindings/input/input.h> |
| 12 | #include <dt-bindings/pinctrl/stm32-pinfunc.h> |
| 13 | |
| 14 | / { |
| 15 | model = "STMicroelectronics STM32MP157C pmic eval daughter"; |
| 16 | compatible = "st,stm32mp157c-ed1", "st,stm32mp157"; |
| 17 | |
| 18 | chosen { |
| 19 | bootargs = "earlyprintk console=ttyS3,115200 root=/dev/ram"; |
| 20 | stdout-path = "serial3:115200n8"; |
| 21 | }; |
| 22 | |
| 23 | memory { |
| 24 | reg = <0xC0000000 0x40000000>; |
| 25 | }; |
| 26 | }; |
| 27 | |
| 28 | &gpioa { |
| 29 | status = "okay"; |
| 30 | }; |
| 31 | |
| 32 | &gpiob { |
| 33 | status = "okay"; |
| 34 | }; |
| 35 | |
| 36 | &gpioc { |
| 37 | status = "okay"; |
| 38 | }; |
| 39 | |
| 40 | &gpiod { |
| 41 | status = "okay"; |
| 42 | }; |
| 43 | |
| 44 | &gpioe { |
| 45 | status = "okay"; |
| 46 | }; |
| 47 | |
| 48 | &gpiof { |
| 49 | status = "okay"; |
| 50 | }; |
| 51 | |
| 52 | &gpiog { |
| 53 | status = "okay"; |
| 54 | }; |
| 55 | |
| 56 | &gpioh { |
| 57 | status = "okay"; |
| 58 | }; |
| 59 | |
| 60 | &gpioi { |
| 61 | status = "okay"; |
| 62 | }; |
| 63 | |
| 64 | &gpioj { |
| 65 | status = "okay"; |
| 66 | }; |
| 67 | |
| 68 | &gpiok { |
| 69 | status = "okay"; |
| 70 | }; |
| 71 | |
| 72 | &gpioz { |
| 73 | status = "okay"; |
| 74 | }; |
| 75 | |
| 76 | &pinctrl { |
| 77 | uart4_pins_a: uart4@0 { |
| 78 | pins1 { |
| 79 | pinmux = <STM32_PINMUX('G', 11, AF6)>; /* UART4_TX */ |
| 80 | bias-disable; |
| 81 | drive-push-pull; |
| 82 | slew-rate = <0>; |
| 83 | }; |
| 84 | pins2 { |
| 85 | pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */ |
| 86 | bias-disable; |
| 87 | }; |
| 88 | }; |
| 89 | |
| 90 | sdmmc1_b4_pins_a: sdmmc1-b4@0 { |
| 91 | pins { |
| 92 | pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */ |
| 93 | <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */ |
| 94 | <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */ |
| 95 | <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */ |
| 96 | <STM32_PINMUX('C', 12, AF12)>, /* SDMMC1_CK */ |
| 97 | <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */ |
| 98 | slew-rate = <3>; |
| 99 | drive-push-pull; |
| 100 | bias-disable; |
| 101 | }; |
| 102 | }; |
| 103 | |
| 104 | sdmmc1_dir_pins_a: sdmmc1-dir@0 { |
| 105 | pins { |
| 106 | pinmux = <STM32_PINMUX('F', 2, AF11)>, /* SDMMC1_D0DIR */ |
| 107 | <STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */ |
| 108 | <STM32_PINMUX('B', 9, AF11)>, /* SDMMC1_CDIR */ |
| 109 | <STM32_PINMUX('E', 4, AF8)>; /* SDMMC1_CKIN */ |
| 110 | slew-rate = <3>; |
| 111 | drive-push-pull; |
| 112 | bias-pull-up; |
| 113 | }; |
| 114 | }; |
| 115 | }; |
| 116 | |
| 117 | &pinctrl_z { |
| 118 | i2c4_pins_a: i2c4@0 { |
| 119 | pins { |
| 120 | pinmux = <STM32_PINMUX('Z', 4, AF6)>, /* I2C4_SCL */ |
| 121 | <STM32_PINMUX('Z', 5, AF6)>; /* I2C4_SDA */ |
| 122 | bias-disable; |
| 123 | drive-open-drain; |
| 124 | slew-rate = <0>; |
| 125 | }; |
| 126 | }; |
| 127 | }; |
| 128 | |
| 129 | &i2c4 { |
| 130 | pinctrl-names = "default"; |
| 131 | pinctrl-0 = <&i2c4_pins_a>; |
| 132 | i2c-scl-rising-time-ns = <185>; |
| 133 | i2c-scl-falling-time-ns = <20>; |
| 134 | status = "okay"; |
| 135 | |
| 136 | pmic: stpmu1@33 { |
| 137 | compatible = "st,stpmu1"; |
| 138 | reg = <0x33>; |
| 139 | interrupts = <0 2>; |
| 140 | interrupt-parent = <&gpioa>; |
| 141 | interrupt-controller; |
| 142 | #interrupt-cells = <2>; |
| 143 | status = "okay"; |
| 144 | }; |
| 145 | }; |
| 146 | |
| 147 | &sdmmc1 { |
| 148 | pinctrl-names = "default"; |
| 149 | pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; |
| 150 | broken-cd; |
| 151 | st,dirpol; |
| 152 | st,negedge; |
| 153 | st,pin-ckin; |
| 154 | bus-width = <4>; |
| 155 | sd-uhs-sdr12; |
| 156 | sd-uhs-sdr25; |
| 157 | sd-uhs-sdr50; |
| 158 | sd-uhs-ddr50; |
| 159 | sd-uhs-sdr104; |
| 160 | status = "okay"; |
| 161 | }; |
| 162 | |
| 163 | &uart4 { |
| 164 | pinctrl-names = "default"; |
| 165 | pinctrl-0 = <&uart4_pins_a>; |
| 166 | status = "okay"; |
| 167 | }; |