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| 1 | +// SPDX-License-Identifier: GPL-2.0 |
| 2 | +/* |
| 3 | + * AM62x LP SK: https://www.ti.com/tool/SK-AM62-LP |
| 4 | + * |
| 5 | + * Copyright (C) 2021-2023 Texas Instruments Incorporated - https://www.ti.com/ |
| 6 | + */ |
| 7 | + |
| 8 | +/dts-v1/; |
| 9 | + |
| 10 | +#include "k3-am62x-sk-common.dtsi" |
| 11 | + |
| 12 | +/ { |
| 13 | + compatible = "ti,am62-lp-sk", "ti,am625"; |
| 14 | + model = "Texas Instruments AM62x LP SK"; |
| 15 | + |
| 16 | + vmain_pd: regulator-0 { |
| 17 | + /* TPS65988 PD CONTROLLER OUTPUT */ |
| 18 | + compatible = "regulator-fixed"; |
| 19 | + regulator-name = "vmain_pd"; |
| 20 | + regulator-min-microvolt = <5000000>; |
| 21 | + regulator-max-microvolt = <5000000>; |
| 22 | + regulator-always-on; |
| 23 | + regulator-boot-on; |
| 24 | + }; |
| 25 | + |
| 26 | + vcc_5v0: regulator-1 { |
| 27 | + /* Output of TPS630702RNMR */ |
| 28 | + compatible = "regulator-fixed"; |
| 29 | + regulator-name = "vcc_5v0"; |
| 30 | + regulator-min-microvolt = <5000000>; |
| 31 | + regulator-max-microvolt = <5000000>; |
| 32 | + vin-supply = <&vmain_pd>; |
| 33 | + regulator-always-on; |
| 34 | + regulator-boot-on; |
| 35 | + }; |
| 36 | + |
| 37 | + vcc_3v3_sys: regulator-2 { |
| 38 | + /* output of LM61460-Q1 */ |
| 39 | + compatible = "regulator-fixed"; |
| 40 | + regulator-name = "vcc_3v3_sys"; |
| 41 | + regulator-min-microvolt = <3300000>; |
| 42 | + regulator-max-microvolt = <3300000>; |
| 43 | + vin-supply = <&vmain_pd>; |
| 44 | + regulator-always-on; |
| 45 | + regulator-boot-on; |
| 46 | + }; |
| 47 | + |
| 48 | + vdd_mmc1: regulator-3 { |
| 49 | + /* TPS22918DBVR */ |
| 50 | + compatible = "regulator-fixed"; |
| 51 | + regulator-name = "vdd_mmc1"; |
| 52 | + regulator-min-microvolt = <3300000>; |
| 53 | + regulator-max-microvolt = <3300000>; |
| 54 | + regulator-boot-on; |
| 55 | + enable-active-high; |
| 56 | + vin-supply = <&vcc_3v3_sys>; |
| 57 | + gpio = <&exp1 3 GPIO_ACTIVE_HIGH>; |
| 58 | + }; |
| 59 | + |
| 60 | + vddshv_sdio: regulator-4 { |
| 61 | + compatible = "regulator-gpio"; |
| 62 | + regulator-name = "vddshv_sdio"; |
| 63 | + pinctrl-names = "default"; |
| 64 | + pinctrl-0 = <&vddshv_sdio_pins_default>; |
| 65 | + regulator-min-microvolt = <1800000>; |
| 66 | + regulator-max-microvolt = <3300000>; |
| 67 | + regulator-boot-on; |
| 68 | + vin-supply = <&ldo1_reg>; |
| 69 | + gpios = <&main_gpio0 31 GPIO_ACTIVE_HIGH>; |
| 70 | + states = <1800000 0x0>, |
| 71 | + <3300000 0x1>; |
| 72 | + }; |
| 73 | +}; |
| 74 | + |
| 75 | +&main_pmx0 { |
| 76 | + vddshv_sdio_pins_default: vddshv-sdio-pins-default { |
| 77 | + pinctrl-single,pins = < |
| 78 | + AM62X_IOPAD(0x07c, PIN_OUTPUT, 7) /* (M19) GPMC0_CLK.GPIO0_31 */ |
| 79 | + >; |
| 80 | + }; |
| 81 | + |
| 82 | + main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-pins-default { |
| 83 | + pinctrl-single,pins = < |
| 84 | + AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (C13) UART0_RTSn.GPIO1_23 */ |
| 85 | + >; |
| 86 | + }; |
| 87 | + |
| 88 | + pmic_irq_pins_default: pmic-irq-pins-default { |
| 89 | + pinctrl-single,pins = < |
| 90 | + AM62X_IOPAD(0x01f4, PIN_INPUT, 0) /* (B16) EXTINTn */ |
| 91 | + >; |
| 92 | + }; |
| 93 | +}; |
| 94 | + |
| 95 | +&main_i2c1 { |
| 96 | + exp1: gpio@22 { |
| 97 | + compatible = "ti,tca6424"; |
| 98 | + reg = <0x22>; |
| 99 | + gpio-controller; |
| 100 | + #gpio-cells = <2>; |
| 101 | + gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST", |
| 102 | + "PRU_DETECT", "MMC1_SD_EN", |
| 103 | + "VPP_LDO_EN", "EXP_PS_3V3_En", |
| 104 | + "EXP_PS_5V0_En", "EXP_HAT_DETECT", |
| 105 | + "GPIO_AUD_RSTn", "GPIO_eMMC_RSTn", |
| 106 | + "UART1_FET_BUF_EN", "BT_UART_WAKE_SOC", |
| 107 | + "GPIO_HDMI_RSTn", "CSI_GPIO0", |
| 108 | + "CSI_GPIO1", "GPIO_OLDI_INT", |
| 109 | + "HDMI_INTn", "TEST_GPIO2", |
| 110 | + "MCASP1_FET_EN", "MCASP1_BUF_BT_EN", |
| 111 | + "MCASP1_FET_SEL", "UART1_FET_SEL", |
| 112 | + "", "IO_EXP_TEST_LED"; |
| 113 | + |
| 114 | + interrupt-parent = <&main_gpio1>; |
| 115 | + interrupts = <23 IRQ_TYPE_EDGE_FALLING>; |
| 116 | + interrupt-controller; |
| 117 | + #interrupt-cells = <2>; |
| 118 | + |
| 119 | + pinctrl-names = "default"; |
| 120 | + pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>; |
| 121 | + }; |
| 122 | + |
| 123 | + exp2: gpio@23 { |
| 124 | + compatible = "ti,tca6424"; |
| 125 | + reg = <0x23>; |
| 126 | + gpio-controller; |
| 127 | + #gpio-cells = <2>; |
| 128 | + gpio-line-names = "", "", |
| 129 | + "", "", |
| 130 | + "", "", |
| 131 | + "", "", |
| 132 | + "WL_LT_EN", "CSI_RSTz", |
| 133 | + "", "", |
| 134 | + "", "", |
| 135 | + "", "", |
| 136 | + "SPI0_FET_SEL", "SPI0_FET_OE", |
| 137 | + "GPIO_OLDI_RSTn", "PRU_3V3_EN", |
| 138 | + "", "", |
| 139 | + "CSI_VLDO_SEL", "SOC_WLAN_SDIO_RST"; |
| 140 | + }; |
| 141 | +}; |
| 142 | + |
| 143 | +&sdhci1 { |
| 144 | + vmmc-supply = <&vdd_mmc1>; |
| 145 | + vqmmc-supply = <&vddshv_sdio>; |
| 146 | +}; |
| 147 | + |
| 148 | +&cpsw_port2 { |
| 149 | + status = "disabled"; |
| 150 | +}; |
| 151 | + |
| 152 | +&main_i2c0 { |
| 153 | + tps65219: pmic@30 { |
| 154 | + compatible = "ti,tps65219"; |
| 155 | + reg = <0x30>; |
| 156 | + buck1-supply = <&vcc_3v3_sys>; |
| 157 | + buck2-supply = <&vcc_3v3_sys>; |
| 158 | + buck3-supply = <&vcc_3v3_sys>; |
| 159 | + ldo1-supply = <&vcc_3v3_sys>; |
| 160 | + ldo2-supply = <&buck2_reg>; |
| 161 | + ldo3-supply = <&vcc_3v3_sys>; |
| 162 | + ldo4-supply = <&vcc_3v3_sys>; |
| 163 | + |
| 164 | + pinctrl-names = "default"; |
| 165 | + pinctrl-0 = <&pmic_irq_pins_default>; |
| 166 | + |
| 167 | + interrupt-parent = <&gic500>; |
| 168 | + interrupts = <GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>; |
| 169 | + ti,power-button; |
| 170 | + |
| 171 | + regulators { |
| 172 | + buck1_reg: buck1 { |
| 173 | + regulator-name = "VDD_CORE"; |
| 174 | + regulator-min-microvolt = <750000>; |
| 175 | + regulator-max-microvolt = <750000>; |
| 176 | + regulator-boot-on; |
| 177 | + regulator-always-on; |
| 178 | + }; |
| 179 | + |
| 180 | + buck2_reg: buck2 { |
| 181 | + regulator-name = "VCC1V8_SYS"; |
| 182 | + regulator-min-microvolt = <1800000>; |
| 183 | + regulator-max-microvolt = <1800000>; |
| 184 | + regulator-boot-on; |
| 185 | + regulator-always-on; |
| 186 | + }; |
| 187 | + |
| 188 | + buck3_reg: buck3 { |
| 189 | + regulator-name = "VDD_LPDDR4"; |
| 190 | + regulator-min-microvolt = <1100000>; |
| 191 | + regulator-max-microvolt = <1100000>; |
| 192 | + regulator-boot-on; |
| 193 | + regulator-always-on; |
| 194 | + }; |
| 195 | + |
| 196 | + ldo1_reg: ldo1 { |
| 197 | + regulator-name = "VDDSHV_SDIO"; |
| 198 | + regulator-min-microvolt = <3300000>; |
| 199 | + regulator-max-microvolt = <3300000>; |
| 200 | + }; |
| 201 | + |
| 202 | + ldo2_reg: ldo2 { |
| 203 | + regulator-name = "VDDAR_CORE"; |
| 204 | + regulator-min-microvolt = <850000>; |
| 205 | + regulator-max-microvolt = <850000>; |
| 206 | + regulator-boot-on; |
| 207 | + regulator-always-on; |
| 208 | + }; |
| 209 | + |
| 210 | + ldo3_reg: ldo3 { |
| 211 | + regulator-name = "VDDA_1V8"; |
| 212 | + regulator-min-microvolt = <1800000>; |
| 213 | + regulator-max-microvolt = <1800000>; |
| 214 | + regulator-boot-on; |
| 215 | + regulator-always-on; |
| 216 | + }; |
| 217 | + |
| 218 | + ldo4_reg: ldo4 { |
| 219 | + regulator-name = "VDD_1V2"; |
| 220 | + regulator-min-microvolt = <1200000>; |
| 221 | + regulator-max-microvolt = <1200000>; |
| 222 | + regulator-boot-on; |
| 223 | + regulator-always-on; |
| 224 | + }; |
| 225 | + }; |
| 226 | + }; |
| 227 | +}; |
| 228 | + |
| 229 | +&tlv320aic3106 { |
| 230 | + DVDD-supply = <&buck2_reg>; |
| 231 | +}; |
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