1// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) 2/* 3 * Copyright (C) STMicroelectronics 2018-2019 - All Rights Reserved 4 * Author: Alexandre Torgue <alexandre.torgue@st.com>. 5 */ 6 7/dts-v1/; 8 9#include "stm32mp157c.dtsi" 10#include "stm32mp157cac-pinctrl.dtsi" 11 12/ { 13 model = "STMicroelectronics STM32MP157A-DK1 Discovery Board"; 14 compatible = "st,stm32mp157a-dk1", "st,stm32mp157"; 15 16 aliases { 17 serial0 = &uart4; 18 }; 19 20 chosen { 21 stdout-path = "serial0:115200n8"; 22 }; 23 24}; 25 26&clk_hse { 27 st,digbypass; 28}; 29 30&i2c4 { 31 pinctrl-names = "default"; 32 pinctrl-0 = <&i2c4_pins_a>; 33 i2c-scl-rising-time-ns = <185>; 34 i2c-scl-falling-time-ns = <20>; 35 status = "okay"; 36 37 pmic: stpmic@33 { 38 compatible = "st,stpmic1"; 39 reg = <0x33>; 40 interrupts-extended = <&exti_pwr 55 IRQ_TYPE_EDGE_FALLING>; 41 interrupt-controller; 42 #interrupt-cells = <2>; 43 status = "okay"; 44 45 st,main-control-register = <0x04>; 46 st,vin-control-register = <0xc0>; 47 st,usb-control-register = <0x20>; 48 49 regulators { 50 compatible = "st,stpmic1-regulators"; 51 52 ldo1-supply = <&v3v3>; 53 ldo3-supply = <&vdd_ddr>; 54 ldo6-supply = <&v3v3>; 55 56 vddcore: buck1 { 57 regulator-name = "vddcore"; 58 regulator-min-microvolt = <1200000>; 59 regulator-max-microvolt = <1350000>; 60 regulator-always-on; 61 regulator-initial-mode = <0>; 62 regulator-over-current-protection; 63 }; 64 65 vdd_ddr: buck2 { 66 regulator-name = "vdd_ddr"; 67 regulator-min-microvolt = <1350000>; 68 regulator-max-microvolt = <1350000>; 69 regulator-always-on; 70 regulator-initial-mode = <0>; 71 regulator-over-current-protection; 72 }; 73 74 vdd: buck3 { 75 regulator-name = "vdd"; 76 regulator-min-microvolt = <3300000>; 77 regulator-max-microvolt = <3300000>; 78 regulator-always-on; 79 st,mask-reset; 80 regulator-initial-mode = <0>; 81 regulator-over-current-protection; 82 }; 83 84 v3v3: buck4 { 85 regulator-name = "v3v3"; 86 regulator-min-microvolt = <3300000>; 87 regulator-max-microvolt = <3300000>; 88 regulator-always-on; 89 regulator-over-current-protection; 90 regulator-initial-mode = <0>; 91 }; 92 93 v1v8_audio: ldo1 { 94 regulator-name = "v1v8_audio"; 95 regulator-min-microvolt = <1800000>; 96 regulator-max-microvolt = <1800000>; 97 regulator-always-on; 98 }; 99 100 v3v3_hdmi: ldo2 { 101 regulator-name = "v3v3_hdmi"; 102 regulator-min-microvolt = <3300000>; 103 regulator-max-microvolt = <3300000>; 104 regulator-always-on; 105 }; 106 107 vtt_ddr: ldo3 { 108 regulator-name = "vtt_ddr"; 109 regulator-min-microvolt = <500000>; 110 regulator-max-microvolt = <750000>; 111 regulator-always-on; 112 regulator-over-current-protection; 113 }; 114 115 vdd_usb: ldo4 { 116 regulator-name = "vdd_usb"; 117 regulator-min-microvolt = <3300000>; 118 regulator-max-microvolt = <3300000>; 119 }; 120 121 vdda: ldo5 { 122 regulator-name = "vdda"; 123 regulator-min-microvolt = <2900000>; 124 regulator-max-microvolt = <2900000>; 125 regulator-boot-on; 126 }; 127 128 v1v2_hdmi: ldo6 { 129 regulator-name = "v1v2_hdmi"; 130 regulator-min-microvolt = <1200000>; 131 regulator-max-microvolt = <1200000>; 132 regulator-always-on; 133 }; 134 135 vref_ddr: vref_ddr { 136 regulator-name = "vref_ddr"; 137 regulator-always-on; 138 regulator-over-current-protection; 139 }; 140 }; 141 }; 142}; 143 144&iwdg2 { 145 timeout-sec = <32>; 146 status = "okay"; 147}; 148 149&pwr { 150 pwr-regulators { 151 vdd-supply = <&vdd>; 152 }; 153}; 154 155&rng1 { 156 status = "okay"; 157}; 158 159&rtc { 160 status = "okay"; 161}; 162 163&sdmmc1 { 164 pinctrl-names = "default"; 165 pinctrl-0 = <&sdmmc1_b4_pins_a>; 166 broken-cd; 167 st,neg-edge; 168 bus-width = <4>; 169 vmmc-supply = <&v3v3>; 170 status = "okay"; 171}; 172 173&uart4 { 174 pinctrl-names = "default"; 175 pinctrl-0 = <&uart4_pins_a>; 176 status = "okay"; 177}; 178 179/* ATF Specific */ 180#include <dt-bindings/clock/stm32mp1-clksrc.h> 181#include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi" 182#include "stm32mp157c-security.dtsi" 183 184/ { 185 aliases { 186 gpio0 = &gpioa; 187 gpio1 = &gpiob; 188 gpio2 = &gpioc; 189 gpio3 = &gpiod; 190 gpio4 = &gpioe; 191 gpio5 = &gpiof; 192 gpio6 = &gpiog; 193 gpio7 = &gpioh; 194 gpio8 = &gpioi; 195 gpio25 = &gpioz; 196 i2c3 = &i2c4; 197 }; 198}; 199 200/* CLOCK init */ 201&rcc { 202 secure-status = "disabled"; 203 st,clksrc = < 204 CLK_MPU_PLL1P 205 CLK_AXI_PLL2P 206 CLK_MCU_PLL3P 207 CLK_PLL12_HSE 208 CLK_PLL3_HSE 209 CLK_PLL4_HSE 210 CLK_RTC_LSE 211 CLK_MCO1_DISABLED 212 CLK_MCO2_DISABLED 213 >; 214 215 st,clkdiv = < 216 1 /*MPU*/ 217 0 /*AXI*/ 218 0 /*MCU*/ 219 1 /*APB1*/ 220 1 /*APB2*/ 221 1 /*APB3*/ 222 1 /*APB4*/ 223 2 /*APB5*/ 224 23 /*RTC*/ 225 0 /*MCO1*/ 226 0 /*MCO2*/ 227 >; 228 229 st,pkcs = < 230 CLK_CKPER_HSE 231 CLK_FMC_ACLK 232 CLK_QSPI_ACLK 233 CLK_ETH_DISABLED 234 CLK_SDMMC12_PLL4P 235 CLK_DSI_DSIPLL 236 CLK_STGEN_HSE 237 CLK_USBPHY_HSE 238 CLK_SPI2S1_PLL3Q 239 CLK_SPI2S23_PLL3Q 240 CLK_SPI45_HSI 241 CLK_SPI6_HSI 242 CLK_I2C46_HSI 243 CLK_SDMMC3_PLL4P 244 CLK_USBO_USBPHY 245 CLK_ADC_CKPER 246 CLK_CEC_LSE 247 CLK_I2C12_HSI 248 CLK_I2C35_HSI 249 CLK_UART1_HSI 250 CLK_UART24_HSI 251 CLK_UART35_HSI 252 CLK_UART6_HSI 253 CLK_UART78_HSI 254 CLK_SPDIF_PLL4P 255 CLK_FDCAN_PLL4Q 256 CLK_SAI1_PLL3Q 257 CLK_SAI2_PLL3Q 258 CLK_SAI3_PLL3Q 259 CLK_SAI4_PLL3Q 260 CLK_RNG1_LSI 261 CLK_RNG2_LSI 262 CLK_LPTIM1_PCLK1 263 CLK_LPTIM23_PCLK3 264 CLK_LPTIM45_LSE 265 >; 266 267 /* VCO = 1300.0 MHz => P = 650 (CPU) */ 268 pll1: st,pll@0 { 269 cfg = < 2 80 0 0 0 PQR(1,0,0) >; 270 frac = < 0x800 >; 271 }; 272 273 /* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */ 274 pll2: st,pll@1 { 275 cfg = < 2 65 1 0 0 PQR(1,1,1) >; 276 frac = < 0x1400 >; 277 }; 278 279 /* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */ 280 pll3: st,pll@2 { 281 cfg = < 1 33 1 16 36 PQR(1,1,1) >; 282 frac = < 0x1a04 >; 283 }; 284 285 /* VCO = 594.0 MHz => P = 99, Q = 74, R = 74 */ 286 pll4: st,pll@3 { 287 cfg = < 3 98 5 7 7 PQR(1,1,1) >; 288 }; 289}; 290