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| 1 | +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | +/* |
| 3 | + * Copyright 2023 Emtop Embedded Solutions |
| 4 | + */ |
| 5 | + |
| 6 | +/dts-v1/; |
| 7 | + |
| 8 | +#include <dt-bindings/gpio/gpio.h> |
| 9 | +#include <dt-bindings/leds/common.h> |
| 10 | +#include <dt-bindings/usb/pd.h> |
| 11 | + |
| 12 | +#include "imx8mm.dtsi" |
| 13 | + |
| 14 | +/ { |
| 15 | + model = "Emtop Embedded Solutions i.MX8M Mini SOM-IMX8MMLPD4 SoM"; |
| 16 | + compatible = "ees,imx8mm-emtop-som", "fsl,imx8mm"; |
| 17 | + |
| 18 | + chosen { |
| 19 | + stdout-path = &uart2; |
| 20 | + }; |
| 21 | + |
| 22 | + leds { |
| 23 | + compatible = "gpio-leds"; |
| 24 | + pinctrl-names = "default"; |
| 25 | + pinctrl-0 = <&pinctrl_gpio_led>; |
| 26 | + |
| 27 | + led-0 { |
| 28 | + function = LED_FUNCTION_POWER; |
| 29 | + gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>; |
| 30 | + linux,default-trigger = "heartbeat"; |
| 31 | + }; |
| 32 | + }; |
| 33 | +}; |
| 34 | + |
| 35 | +&A53_0 { |
| 36 | + cpu-supply = <&buck2>; |
| 37 | +}; |
| 38 | + |
| 39 | +&A53_1 { |
| 40 | + cpu-supply = <&buck2>; |
| 41 | +}; |
| 42 | + |
| 43 | +&A53_2 { |
| 44 | + cpu-supply = <&buck2>; |
| 45 | +}; |
| 46 | + |
| 47 | +&A53_3 { |
| 48 | + cpu-supply = <&buck2>; |
| 49 | +}; |
| 50 | + |
| 51 | +&i2c1 { |
| 52 | + clock-frequency = <400000>; |
| 53 | + pinctrl-names = "default"; |
| 54 | + pinctrl-0 = <&pinctrl_i2c1>; |
| 55 | + status = "okay"; |
| 56 | + |
| 57 | + pmic@25 { |
| 58 | + compatible = "nxp,pca9450c"; |
| 59 | + reg = <0x25>; |
| 60 | + pinctrl-names = "default"; |
| 61 | + pinctrl-0 = <&pinctrl_pmic>; |
| 62 | + interrupt-parent = <&gpio1>; |
| 63 | + interrupts = <3 IRQ_TYPE_EDGE_RISING>; |
| 64 | + |
| 65 | + regulators { |
| 66 | + buck1: BUCK1 { |
| 67 | + regulator-name = "BUCK1"; |
| 68 | + regulator-min-microvolt = <800000>; |
| 69 | + regulator-max-microvolt = <1000000>; |
| 70 | + regulator-boot-on; |
| 71 | + regulator-always-on; |
| 72 | + regulator-ramp-delay = <3125>; |
| 73 | + }; |
| 74 | + |
| 75 | + buck2: BUCK2 { |
| 76 | + regulator-name = "BUCK2"; |
| 77 | + regulator-min-microvolt = <800000>; |
| 78 | + regulator-max-microvolt = <900000>; |
| 79 | + regulator-boot-on; |
| 80 | + regulator-always-on; |
| 81 | + regulator-ramp-delay = <3125>; |
| 82 | + }; |
| 83 | + |
| 84 | + buck3: BUCK3 { |
| 85 | + regulator-name = "BUCK3"; |
| 86 | + regulator-min-microvolt = <800000>; |
| 87 | + regulator-max-microvolt = <1000000>; |
| 88 | + regulator-boot-on; |
| 89 | + regulator-always-on; |
| 90 | + }; |
| 91 | + |
| 92 | + buck4: BUCK4 { |
| 93 | + regulator-name = "BUCK4"; |
| 94 | + regulator-min-microvolt = <3000000>; |
| 95 | + regulator-max-microvolt = <3600000>; |
| 96 | + regulator-boot-on; |
| 97 | + regulator-always-on; |
| 98 | + }; |
| 99 | + |
| 100 | + buck5: BUCK5 { |
| 101 | + regulator-name = "BUCK5"; |
| 102 | + regulator-min-microvolt = <1650000>; |
| 103 | + regulator-max-microvolt = <1950000>; |
| 104 | + regulator-boot-on; |
| 105 | + regulator-always-on; |
| 106 | + }; |
| 107 | + |
| 108 | + buck6: BUCK6 { |
| 109 | + regulator-name = "BUCK6"; |
| 110 | + regulator-min-microvolt = <1100000>; |
| 111 | + regulator-max-microvolt = <1200000>; |
| 112 | + regulator-boot-on; |
| 113 | + regulator-always-on; |
| 114 | + }; |
| 115 | + |
| 116 | + ldo1: LDO1 { |
| 117 | + regulator-name = "LDO1"; |
| 118 | + regulator-min-microvolt = <1650000>; |
| 119 | + regulator-max-microvolt = <1950000>; |
| 120 | + regulator-boot-on; |
| 121 | + regulator-always-on; |
| 122 | + }; |
| 123 | + |
| 124 | + ldo2: LDO2 { |
| 125 | + regulator-name = "LDO2"; |
| 126 | + regulator-min-microvolt = <800000>; |
| 127 | + regulator-max-microvolt = <945000>; |
| 128 | + regulator-boot-on; |
| 129 | + regulator-always-on; |
| 130 | + }; |
| 131 | + |
| 132 | + ldo3: LDO3 { |
| 133 | + regulator-name = "LDO3"; |
| 134 | + regulator-min-microvolt = <1710000>; |
| 135 | + regulator-max-microvolt = <1890000>; |
| 136 | + regulator-boot-on; |
| 137 | + regulator-always-on; |
| 138 | + }; |
| 139 | + |
| 140 | + ldo4: LDO4 { |
| 141 | + regulator-name = "LDO4"; |
| 142 | + regulator-min-microvolt = <810000>; |
| 143 | + regulator-max-microvolt = <945000>; |
| 144 | + regulator-boot-on; |
| 145 | + regulator-always-on; |
| 146 | + }; |
| 147 | + |
| 148 | + ldo5: LDO5 { |
| 149 | + regulator-name = "LDO5"; |
| 150 | + regulator-min-microvolt = <1650000>; |
| 151 | + regulator-max-microvolt = <3600000>; |
| 152 | + }; |
| 153 | + }; |
| 154 | + }; |
| 155 | +}; |
| 156 | + |
| 157 | +&uart2 { |
| 158 | + pinctrl-names = "default"; |
| 159 | + pinctrl-0 = <&pinctrl_uart2>; |
| 160 | + status = "okay"; |
| 161 | +}; |
| 162 | + |
| 163 | +&usdhc3 { |
| 164 | + pinctrl-names = "default", "state_100mhz", "state_200mhz"; |
| 165 | + pinctrl-0 = <&pinctrl_usdhc3>; |
| 166 | + pinctrl-1 = <&pinctrl_usdhc3_100mhz>; |
| 167 | + pinctrl-2 = <&pinctrl_usdhc3_200mhz>; |
| 168 | + bus-width = <8>; |
| 169 | + non-removable; |
| 170 | + status = "okay"; |
| 171 | +}; |
| 172 | + |
| 173 | +&wdog1 { |
| 174 | + pinctrl-names = "default"; |
| 175 | + pinctrl-0 = <&pinctrl_wdog>; |
| 176 | + fsl,ext-reset-output; |
| 177 | + status = "okay"; |
| 178 | +}; |
| 179 | + |
| 180 | +&iomuxc { |
| 181 | + pinctrl_gpio_led: emtop-gpio-led-grp { |
| 182 | + fsl,pins = < |
| 183 | + MX8MM_IOMUXC_NAND_READY_B_GPIO3_IO16 0x19 |
| 184 | + MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19 |
| 185 | + >; |
| 186 | + }; |
| 187 | + |
| 188 | + pinctrl_i2c1: emtop-i2c1-grp { |
| 189 | + fsl,pins = < |
| 190 | + MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3 |
| 191 | + MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3 |
| 192 | + >; |
| 193 | + }; |
| 194 | + |
| 195 | + pinctrl_pmic: emtop-pmic-grp { |
| 196 | + fsl,pins = < |
| 197 | + MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41 |
| 198 | + >; |
| 199 | + }; |
| 200 | + |
| 201 | + pinctrl_uart2: emtop-uart2-grp { |
| 202 | + fsl,pins = < |
| 203 | + MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140 |
| 204 | + MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140 |
| 205 | + >; |
| 206 | + }; |
| 207 | + |
| 208 | + pinctrl_usdhc3: emtop-usdhc3-grp { |
| 209 | + fsl,pins = < |
| 210 | + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190 |
| 211 | + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0 |
| 212 | + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0 |
| 213 | + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0 |
| 214 | + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0 |
| 215 | + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0 |
| 216 | + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0 |
| 217 | + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0 |
| 218 | + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0 |
| 219 | + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0 |
| 220 | + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190 |
| 221 | + >; |
| 222 | + }; |
| 223 | + |
| 224 | + pinctrl_usdhc3_100mhz: emtop-usdhc3-100mhz-grp { |
| 225 | + fsl,pins = < |
| 226 | + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194 |
| 227 | + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4 |
| 228 | + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4 |
| 229 | + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4 |
| 230 | + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4 |
| 231 | + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4 |
| 232 | + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4 |
| 233 | + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4 |
| 234 | + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4 |
| 235 | + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4 |
| 236 | + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194 |
| 237 | + >; |
| 238 | + }; |
| 239 | + |
| 240 | + pinctrl_usdhc3_200mhz: emtop-usdhc3-200mhz-grp { |
| 241 | + fsl,pins = < |
| 242 | + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196 |
| 243 | + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6 |
| 244 | + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6 |
| 245 | + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6 |
| 246 | + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6 |
| 247 | + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6 |
| 248 | + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6 |
| 249 | + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6 |
| 250 | + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6 |
| 251 | + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6 |
| 252 | + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196 |
| 253 | + >; |
| 254 | + }; |
| 255 | + |
| 256 | + pinctrl_wdog: emtop-wdog-grp { |
| 257 | + fsl,pins = < |
| 258 | + MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6 |
| 259 | + >; |
| 260 | + }; |
| 261 | +}; |
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