1// SPDX-License-Identifier: GPL-2.0 OR MIT 2/* 3 * Copyright (C) 2022 StarFive Technology Co., Ltd. 4 * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk> 5 */ 6 7/dts-v1/; 8#include "jh7110.dtsi" 9#include "jh7110-pinfunc.h" 10#include <dt-bindings/gpio/gpio.h> 11 12/ { 13 aliases { 14 i2c0 = &i2c0; 15 i2c2 = &i2c2; 16 i2c5 = &i2c5; 17 i2c6 = &i2c6; 18 serial0 = &uart0; 19 }; 20 21 chosen { 22 stdout-path = "serial0:115200n8"; 23 }; 24 25 cpus { 26 timebase-frequency = <4000000>; 27 }; 28 29 memory@40000000 { 30 device_type = "memory"; 31 reg = <0x0 0x40000000 0x1 0x0>; 32 }; 33 34 gpio-restart { 35 compatible = "gpio-restart"; 36 gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>; 37 priority = <224>; 38 }; 39}; 40 41&gmac0_rgmii_rxin { 42 clock-frequency = <125000000>; 43}; 44 45&gmac0_rmii_refin { 46 clock-frequency = <50000000>; 47}; 48 49&gmac1_rgmii_rxin { 50 clock-frequency = <125000000>; 51}; 52 53&gmac1_rmii_refin { 54 clock-frequency = <50000000>; 55}; 56 57&i2srx_bclk_ext { 58 clock-frequency = <12288000>; 59}; 60 61&i2srx_lrck_ext { 62 clock-frequency = <192000>; 63}; 64 65&i2stx_bclk_ext { 66 clock-frequency = <12288000>; 67}; 68 69&i2stx_lrck_ext { 70 clock-frequency = <192000>; 71}; 72 73&mclk_ext { 74 clock-frequency = <12288000>; 75}; 76 77&osc { 78 clock-frequency = <24000000>; 79}; 80 81&rtc_osc { 82 clock-frequency = <32768>; 83}; 84 85&tdm_ext { 86 clock-frequency = <49152000>; 87}; 88 89&i2c0 { 90 clock-frequency = <100000>; 91 i2c-sda-hold-time-ns = <300>; 92 i2c-sda-falling-time-ns = <510>; 93 i2c-scl-falling-time-ns = <510>; 94 pinctrl-names = "default"; 95 pinctrl-0 = <&i2c0_pins>; 96 status = "okay"; 97}; 98 99&i2c2 { 100 clock-frequency = <100000>; 101 i2c-sda-hold-time-ns = <300>; 102 i2c-sda-falling-time-ns = <510>; 103 i2c-scl-falling-time-ns = <510>; 104 pinctrl-names = "default"; 105 pinctrl-0 = <&i2c2_pins>; 106 status = "okay"; 107}; 108 109&i2c5 { 110 clock-frequency = <100000>; 111 i2c-sda-hold-time-ns = <300>; 112 i2c-sda-falling-time-ns = <510>; 113 i2c-scl-falling-time-ns = <510>; 114 pinctrl-names = "default"; 115 pinctrl-0 = <&i2c5_pins>; 116 status = "okay"; 117}; 118 119&i2c6 { 120 clock-frequency = <100000>; 121 i2c-sda-hold-time-ns = <300>; 122 i2c-sda-falling-time-ns = <510>; 123 i2c-scl-falling-time-ns = <510>; 124 pinctrl-names = "default"; 125 pinctrl-0 = <&i2c6_pins>; 126 status = "okay"; 127}; 128 129&sysgpio { 130 i2c0_pins: i2c0-0 { 131 i2c-pins { 132 pinmux = <GPIOMUX(57, GPOUT_LOW, 133 GPOEN_SYS_I2C0_CLK, 134 GPI_SYS_I2C0_CLK)>, 135 <GPIOMUX(58, GPOUT_LOW, 136 GPOEN_SYS_I2C0_DATA, 137 GPI_SYS_I2C0_DATA)>; 138 bias-disable; /* external pull-up */ 139 input-enable; 140 input-schmitt-enable; 141 }; 142 }; 143 144 i2c2_pins: i2c2-0 { 145 i2c-pins { 146 pinmux = <GPIOMUX(3, GPOUT_LOW, 147 GPOEN_SYS_I2C2_CLK, 148 GPI_SYS_I2C2_CLK)>, 149 <GPIOMUX(2, GPOUT_LOW, 150 GPOEN_SYS_I2C2_DATA, 151 GPI_SYS_I2C2_DATA)>; 152 bias-disable; /* external pull-up */ 153 input-enable; 154 input-schmitt-enable; 155 }; 156 }; 157 158 i2c5_pins: i2c5-0 { 159 i2c-pins { 160 pinmux = <GPIOMUX(19, GPOUT_LOW, 161 GPOEN_SYS_I2C5_CLK, 162 GPI_SYS_I2C5_CLK)>, 163 <GPIOMUX(20, GPOUT_LOW, 164 GPOEN_SYS_I2C5_DATA, 165 GPI_SYS_I2C5_DATA)>; 166 bias-disable; /* external pull-up */ 167 input-enable; 168 input-schmitt-enable; 169 }; 170 }; 171 172 i2c6_pins: i2c6-0 { 173 i2c-pins { 174 pinmux = <GPIOMUX(16, GPOUT_LOW, 175 GPOEN_SYS_I2C6_CLK, 176 GPI_SYS_I2C6_CLK)>, 177 <GPIOMUX(17, GPOUT_LOW, 178 GPOEN_SYS_I2C6_DATA, 179 GPI_SYS_I2C6_DATA)>; 180 bias-disable; /* external pull-up */ 181 input-enable; 182 input-schmitt-enable; 183 }; 184 }; 185 186 uart0_pins: uart0-0 { 187 tx-pins { 188 pinmux = <GPIOMUX(5, GPOUT_SYS_UART0_TX, 189 GPOEN_ENABLE, 190 GPI_NONE)>; 191 bias-disable; 192 drive-strength = <12>; 193 input-disable; 194 input-schmitt-disable; 195 slew-rate = <0>; 196 }; 197 198 rx-pins { 199 pinmux = <GPIOMUX(6, GPOUT_LOW, 200 GPOEN_DISABLE, 201 GPI_SYS_UART0_RX)>; 202 bias-disable; /* external pull-up */ 203 drive-strength = <2>; 204 input-enable; 205 input-schmitt-enable; 206 slew-rate = <0>; 207 }; 208 }; 209}; 210 211&uart0 { 212 pinctrl-names = "default"; 213 pinctrl-0 = <&uart0_pins>; 214 status = "okay"; 215}; 216