1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (C) 2022 Marek Vasut <marex@denx.de> 4 * 5 * DHCOM iMX8MP variant: 6 * DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2 7 * DHCOM PCB number: 660-100 or newer 8 * PDK2 PCB number: 516-400 or newer 9 */ 10 11/dts-v1/; 12 13#include <dt-bindings/leds/common.h> 14#include <dt-bindings/phy/phy-imx8-pcie.h> 15#include "imx8mp-dhcom-som.dtsi" 16 17/ { 18 model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (2)"; 19 compatible = "dh,imx8mp-dhcom-pdk2", "dh,imx8mp-dhcom-som", 20 "fsl,imx8mp"; 21 22 chosen { 23 stdout-path = &uart1; 24 }; 25 26 clk_ext_audio_codec: clock-codec { 27 compatible = "fixed-clock"; 28 #clock-cells = <0>; 29 clock-frequency = <24000000>; 30 }; 31 32 gpio-keys { 33 compatible = "gpio-keys"; 34 35 button-0 { 36 gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */ 37 label = "TA1-GPIO-A"; 38 linux,code = <KEY_A>; 39 pinctrl-0 = <&pinctrl_dhcom_a>; 40 pinctrl-names = "default"; 41 wakeup-source; 42 }; 43 44 button-1 { 45 gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */ 46 label = "TA2-GPIO-B"; 47 linux,code = <KEY_B>; 48 pinctrl-0 = <&pinctrl_dhcom_b>; 49 pinctrl-names = "default"; 50 wakeup-source; 51 }; 52 53 button-2 { 54 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */ 55 label = "TA3-GPIO-C"; 56 linux,code = <KEY_C>; 57 pinctrl-0 = <&pinctrl_dhcom_c>; 58 pinctrl-names = "default"; 59 wakeup-source; 60 }; 61 62 button-3 { 63 gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* GPIO D */ 64 label = "TA4-GPIO-D"; 65 linux,code = <KEY_D>; 66 pinctrl-0 = <&pinctrl_dhcom_d>; 67 pinctrl-names = "default"; 68 wakeup-source; 69 }; 70 }; 71 72 led { 73 compatible = "gpio-leds"; 74 75 led-0 { 76 color = <LED_COLOR_ID_GREEN>; 77 default-state = "off"; 78 function = LED_FUNCTION_INDICATOR; 79 gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* GPIO E */ 80 pinctrl-0 = <&pinctrl_dhcom_e>; 81 pinctrl-names = "default"; 82 }; 83 84 led-1 { 85 color = <LED_COLOR_ID_GREEN>; 86 default-state = "off"; 87 function = LED_FUNCTION_INDICATOR; 88 gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */ 89 pinctrl-0 = <&pinctrl_dhcom_f>; 90 pinctrl-names = "default"; 91 }; 92 93 led-2 { 94 color = <LED_COLOR_ID_GREEN>; 95 default-state = "off"; 96 function = LED_FUNCTION_INDICATOR; 97 gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; /* GPIO H */ 98 pinctrl-0 = <&pinctrl_dhcom_h>; 99 pinctrl-names = "default"; 100 }; 101 102 led-3 { 103 color = <LED_COLOR_ID_GREEN>; 104 default-state = "off"; 105 function = LED_FUNCTION_INDICATOR; 106 gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */ 107 pinctrl-0 = <&pinctrl_dhcom_i>; 108 pinctrl-names = "default"; 109 }; 110 }; 111 112 reg_3p3vdd: regulator-3p3vdd { /* 3.3VDD */ 113 compatible = "regulator-fixed"; 114 regulator-always-on; 115 regulator-min-microvolt = <3300000>; 116 regulator-max-microvolt = <3300000>; 117 regulator-name = "3P3VDD"; 118 }; 119 120 sound { 121 compatible = "simple-audio-card"; 122 simple-audio-card,name = "SGTL5000-Card"; 123 simple-audio-card,format = "i2s"; 124 simple-audio-card,bitclock-master = <&codec_dai>; 125 simple-audio-card,frame-master = <&codec_dai>; 126 simple-audio-card,widgets = "Headphone", "Headphone Jack"; 127 simple-audio-card,routing = "Headphone Jack", "HP_OUT"; 128 129 cpu_dai: simple-audio-card,cpu { 130 sound-dai = <&sai3>; 131 }; 132 133 codec_dai: simple-audio-card,codec { 134 sound-dai = <&sgtl5000>; 135 }; 136 }; 137}; 138 139&i2c5 { 140 sgtl5000: codec@a { 141 compatible = "fsl,sgtl5000"; 142 reg = <0x0a>; 143 #sound-dai-cells = <0>; 144 clocks = <&clk_ext_audio_codec>; 145 VDDA-supply = <®_3p3vdd>; 146 VDDIO-supply = <®_vdd_3p3v_awo>; 147 }; 148}; 149 150&fec { /* Second ethernet */ 151 pinctrl-0 = <&pinctrl_fec_rgmii>; 152 phy-handle = <ðphypdk>; 153 phy-mode = "rgmii"; 154 155 mdio { 156 ethphypdk: ethernet-phy@7 { /* KSZ 9021 */ 157 compatible = "ethernet-phy-ieee802.3-c22"; 158 pinctrl-0 = <&pinctrl_ethphy1>; 159 pinctrl-names = "default"; 160 interrupt-parent = <&gpio4>; 161 interrupts = <3 IRQ_TYPE_LEVEL_LOW>; 162 max-speed = <100>; 163 reg = <7>; 164 reset-assert-us = <1000>; 165 reset-deassert-us = <1000>; 166 reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>; 167 rxc-skew-ps = <3000>; 168 rxd0-skew-ps = <0>; 169 rxd1-skew-ps = <0>; 170 rxd2-skew-ps = <0>; 171 rxd3-skew-ps = <0>; 172 rxdv-skew-ps = <0>; 173 txc-skew-ps = <3000>; 174 txd0-skew-ps = <0>; 175 txd1-skew-ps = <0>; 176 txd2-skew-ps = <0>; 177 txd3-skew-ps = <0>; 178 txen-skew-ps = <0>; 179 }; 180 }; 181}; 182 183&flexcan1 { 184 status = "okay"; 185}; 186 187&pcie_phy { 188 clock-names = "ref"; 189 clocks = <&hsio_blk_ctrl>; 190 fsl,clkreq-unsupported; 191 fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_OUTPUT>; 192 status = "okay"; 193}; 194 195&pcie { 196 fsl,max-link-speed = <1>; 197 reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>; /* GPIO J */ 198 status = "okay"; 199}; 200 201&sai3 { 202 #sound-dai-cells = <0>; 203 pinctrl-names = "default"; 204 pinctrl-0 = <&pinctrl_sai3>; 205 assigned-clocks = <&clk IMX8MP_CLK_SAI3>; 206 assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>; 207 assigned-clock-rates = <12288000>; 208 fsl,sai-mclk-direction-output; 209 status = "okay"; 210}; 211 212&usb3_1 { 213 fsl,over-current-active-low; 214}; 215 216&iomuxc { 217 /* 218 * GPIO_A,B,C,D are connected to buttons. 219 * GPIO_E,F,H,I are connected to LEDs. 220 * GPIO_M is connected to CLKOUT1. 221 */ 222 pinctrl-0 = <&pinctrl_hog_base 223 &pinctrl_dhcom_g &pinctrl_dhcom_j 224 &pinctrl_dhcom_k &pinctrl_dhcom_l 225 &pinctrl_dhcom_int>; 226}; 227