1// SPDX-License-Identifier: GPL-2.0 OR MIT 2/* 3 * Copyright (C) 2021 StarFive Technology Co., Ltd. 4 * Copyright (C) 2021 Emil Renner Berthing <kernel@esmil.dk> 5 */ 6 7/dts-v1/; 8#include "jh7100.dtsi" 9#include <dt-bindings/gpio/gpio.h> 10#include <dt-bindings/leds/common.h> 11#include <dt-bindings/pinctrl/pinctrl-starfive-jh7100.h> 12 13/ { 14 aliases { 15 serial0 = &uart3; 16 }; 17 18 chosen { 19 stdout-path = "serial0:115200n8"; 20 }; 21 22 cpus { 23 timebase-frequency = <6250000>; 24 }; 25 26 memory@80000000 { 27 device_type = "memory"; 28 reg = <0x0 0x80000000 0x2 0x0>; 29 }; 30 31 leds { 32 compatible = "gpio-leds"; 33 34 led-ack { 35 gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; 36 color = <LED_COLOR_ID_GREEN>; 37 function = LED_FUNCTION_HEARTBEAT; 38 linux,default-trigger = "heartbeat"; 39 label = "ack"; 40 }; 41 }; 42}; 43 44&gpio { 45 i2c0_pins: i2c0-0 { 46 i2c-pins { 47 pinmux = <GPIOMUX(62, GPO_LOW, 48 GPO_I2C0_PAD_SCK_OEN, 49 GPI_I2C0_PAD_SCK_IN)>, 50 <GPIOMUX(61, GPO_LOW, 51 GPO_I2C0_PAD_SDA_OEN, 52 GPI_I2C0_PAD_SDA_IN)>; 53 bias-disable; /* external pull-up */ 54 input-enable; 55 input-schmitt-enable; 56 }; 57 }; 58 59 i2c1_pins: i2c1-0 { 60 i2c-pins { 61 pinmux = <GPIOMUX(47, GPO_LOW, 62 GPO_I2C1_PAD_SCK_OEN, 63 GPI_I2C1_PAD_SCK_IN)>, 64 <GPIOMUX(48, GPO_LOW, 65 GPO_I2C1_PAD_SDA_OEN, 66 GPI_I2C1_PAD_SDA_IN)>; 67 bias-pull-up; 68 input-enable; 69 input-schmitt-enable; 70 }; 71 }; 72 73 i2c2_pins: i2c2-0 { 74 i2c-pins { 75 pinmux = <GPIOMUX(60, GPO_LOW, 76 GPO_I2C2_PAD_SCK_OEN, 77 GPI_I2C2_PAD_SCK_IN)>, 78 <GPIOMUX(59, GPO_LOW, 79 GPO_I2C2_PAD_SDA_OEN, 80 GPI_I2C2_PAD_SDA_IN)>; 81 bias-disable; /* external pull-up */ 82 input-enable; 83 input-schmitt-enable; 84 }; 85 }; 86 87 uart3_pins: uart3-0 { 88 rx-pins { 89 pinmux = <GPIOMUX(13, GPO_LOW, GPO_DISABLE, 90 GPI_UART3_PAD_SIN)>; 91 bias-pull-up; 92 drive-strength = <14>; 93 input-enable; 94 input-schmitt-enable; 95 slew-rate = <0>; 96 }; 97 tx-pins { 98 pinmux = <GPIOMUX(14, GPO_UART3_PAD_SOUT, 99 GPO_ENABLE, GPI_NONE)>; 100 bias-disable; 101 drive-strength = <35>; 102 input-disable; 103 input-schmitt-disable; 104 slew-rate = <0>; 105 }; 106 }; 107}; 108 109&i2c0 { 110 clock-frequency = <100000>; 111 i2c-sda-hold-time-ns = <300>; 112 i2c-sda-falling-time-ns = <500>; 113 i2c-scl-falling-time-ns = <500>; 114 pinctrl-names = "default"; 115 pinctrl-0 = <&i2c0_pins>; 116 status = "okay"; 117 118 pmic@5e { 119 compatible = "ti,tps65086"; 120 reg = <0x5e>; 121 gpio-controller; 122 #gpio-cells = <2>; 123 124 regulators { 125 }; 126 }; 127}; 128 129&i2c1 { 130 clock-frequency = <400000>; 131 i2c-sda-hold-time-ns = <300>; 132 i2c-sda-falling-time-ns = <100>; 133 i2c-scl-falling-time-ns = <100>; 134 pinctrl-names = "default"; 135 pinctrl-0 = <&i2c1_pins>; 136 status = "okay"; 137}; 138 139&i2c2 { 140 clock-frequency = <100000>; 141 i2c-sda-hold-time-ns = <300>; 142 i2c-sda-falling-time-ns = <500>; 143 i2c-scl-falling-time-ns = <500>; 144 pinctrl-names = "default"; 145 pinctrl-0 = <&i2c2_pins>; 146 status = "okay"; 147}; 148 149&osc_sys { 150 clock-frequency = <25000000>; 151}; 152 153&osc_aud { 154 clock-frequency = <27000000>; 155}; 156 157&uart3 { 158 pinctrl-names = "default"; 159 pinctrl-0 = <&uart3_pins>; 160 status = "okay"; 161}; 162