| Lokesh Vutla | a7551cf | 2020-08-05 22:44:28 +0530 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ |
| 4 | */ |
| 5 | |
| 6 | /dts-v1/; |
| 7 | |
| 8 | #include "k3-j7200-som-p0.dtsi" |
| 9 | |
| 10 | / { |
| 11 | chosen { |
| 12 | stdout-path = "serial2:115200n8"; |
| 13 | bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; |
| 14 | }; |
| 15 | }; |
| 16 | |
| 17 | &wkup_pmx0 { |
| 18 | wkup_i2c0_pins_default: wkup-i2c0-pins-default { |
| 19 | pinctrl-single,pins = < |
| 20 | J721E_WKUP_IOPAD(0x100, PIN_INPUT_PULLUP, 0) /* (F20) WKUP_I2C0_SCL */ |
| 21 | J721E_WKUP_IOPAD(0x104, PIN_INPUT_PULLUP, 0) /* (H21) WKUP_I2C0_SDA */ |
| 22 | >; |
| 23 | }; |
| 24 | }; |
| 25 | |
| 26 | &main_pmx0 { |
| 27 | main_i2c0_pins_default: main-i2c0-pins-default { |
| 28 | pinctrl-single,pins = < |
| 29 | J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */ |
| 30 | J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */ |
| 31 | >; |
| 32 | }; |
| 33 | }; |
| 34 | |
| 35 | &wkup_uart0 { |
| 36 | /* Wakeup UART is used by System firmware */ |
| 37 | status = "disabled"; |
| 38 | }; |
| 39 | |
| 40 | &main_uart0 { |
| 41 | power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>; |
| 42 | }; |
| 43 | |
| 44 | &main_uart2 { |
| 45 | /* MAIN UART 2 is used by R5F firmware */ |
| 46 | status = "disabled"; |
| 47 | }; |
| 48 | |
| 49 | &main_uart3 { |
| 50 | /* UART not brought out */ |
| 51 | status = "disabled"; |
| 52 | }; |
| 53 | |
| 54 | &main_uart4 { |
| 55 | /* UART not brought out */ |
| 56 | status = "disabled"; |
| 57 | }; |
| 58 | |
| 59 | &main_uart5 { |
| 60 | /* UART not brought out */ |
| 61 | status = "disabled"; |
| 62 | }; |
| 63 | |
| 64 | &main_uart6 { |
| 65 | /* UART not brought out */ |
| 66 | status = "disabled"; |
| 67 | }; |
| 68 | |
| 69 | &main_uart7 { |
| 70 | /* UART not brought out */ |
| 71 | status = "disabled"; |
| 72 | }; |
| 73 | |
| 74 | &main_uart8 { |
| 75 | /* UART not brought out */ |
| 76 | status = "disabled"; |
| 77 | }; |
| 78 | |
| 79 | &main_uart9 { |
| 80 | /* UART not brought out */ |
| 81 | status = "disabled"; |
| 82 | }; |
| 83 | |
| 84 | &wkup_i2c0 { |
| 85 | pinctrl-names = "default"; |
| 86 | pinctrl-0 = <&wkup_i2c0_pins_default>; |
| 87 | clock-frequency = <400000>; |
| 88 | }; |
| 89 | |
| 90 | &main_sdhci0 { |
| 91 | /* eMMC */ |
| 92 | non-removable; |
| 93 | ti,driver-strength-ohm = <50>; |
| 94 | disable-wp; |
| 95 | }; |
| 96 | |
| 97 | &main_sdhci1 { |
| 98 | /* SD card */ |
| 99 | ti,driver-strength-ohm = <50>; |
| 100 | disable-wp; |
| 101 | no-1-8-v; |
| 102 | sdhci-caps-mask = <0x8000000F 0x0>; |
| 103 | }; |
| 104 | |
| 105 | &main_i2c0 { |
| 106 | pinctrl-names = "default"; |
| 107 | pinctrl-0 = <&main_i2c0_pins_default>; |
| 108 | clock-frequency = <400000>; |
| 109 | |
| 110 | exp1: gpio@20 { |
| 111 | compatible = "ti,tca6416"; |
| 112 | reg = <0x20>; |
| 113 | gpio-controller; |
| 114 | #gpio-cells = <2>; |
| 115 | }; |
| 116 | |
| 117 | exp2: gpio@22 { |
| 118 | compatible = "ti,tca6424"; |
| 119 | reg = <0x22>; |
| 120 | gpio-controller; |
| 121 | #gpio-cells = <2>; |
| 122 | }; |
| 123 | }; |