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&rng1 { 150 status = "okay"; 151}; 152 153&rtc { 154 status = "okay"; 155}; 156 157&sdmmc1 { 158 pinctrl-names = "default"; 159 pinctrl-0 = <&sdmmc1_b4_pins_a>; 160 broken-cd; 161 st,neg-edge; 162 bus-width = <4>; 163 vmmc-supply = <&v3v3>; 164 status = "okay"; 165}; 166 167&uart4 { 168 pinctrl-names = "default"; 169 pinctrl-0 = <&uart4_pins_a>; 170 status = "okay"; 171}; 172 173/* ATF Specific */ 174#include <dt-bindings/clock/stm32mp1-clksrc.h> 175#include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi" 176#include "stm32mp157c-security.dtsi" 177 178/ { 179 aliases { 180 gpio0 = &gpioa; 181 gpio1 = &gpiob; 182 gpio2 = &gpioc; 183 gpio3 = &gpiod; 184 gpio4 = &gpioe; 185 gpio5 = &gpiof; 186 gpio6 = &gpiog; 187 gpio7 = &gpioh; 188 gpio8 = &gpioi; 189 gpio25 = &gpioz; 190 i2c3 = &i2c4; 191 }; 192}; 193 194/* CLOCK init */ 195&rcc { 196 secure-status = "disabled"; 197 st,clksrc = < 198 CLK_MPU_PLL1P 199 CLK_AXI_PLL2P 200 CLK_MCU_PLL3P 201 CLK_PLL12_HSE 202 CLK_PLL3_HSE 203 CLK_PLL4_HSE 204 CLK_RTC_LSE 205 CLK_MCO1_DISABLED 206 CLK_MCO2_DISABLED 207 >; 208 209 st,clkdiv = < 210 1 /*MPU*/ 211 0 /*AXI*/ 212 0 /*MCU*/ 213 1 /*APB1*/ 214 1 /*APB2*/ 215 1 /*APB3*/ 216 1 /*APB4*/ 217 2 /*APB5*/ 218 23 /*RTC*/ 219 0 /*MCO1*/ 220 0 /*MCO2*/ 221 >; 222 223 st,pkcs = < 224 CLK_CKPER_HSE 225 CLK_FMC_ACLK 226 CLK_QSPI_ACLK 227 CLK_ETH_DISABLED 228 CLK_SDMMC12_PLL4P 229 CLK_DSI_DSIPLL 230 CLK_STGEN_HSE 231 CLK_USBPHY_HSE 232 CLK_SPI2S1_PLL3Q 233 CLK_SPI2S23_PLL3Q 234 CLK_SPI45_HSI 235 CLK_SPI6_HSI 236 CLK_I2C46_HSI 237 CLK_SDMMC3_PLL4P 238 CLK_USBO_USBPHY 239 CLK_ADC_CKPER 240 CLK_CEC_LSE 241 CLK_I2C12_HSI 242 CLK_I2C35_HSI 243 CLK_UART1_HSI 244 CLK_UART24_HSI 245 CLK_UART35_HSI 246 CLK_UART6_HSI 247 CLK_UART78_HSI 248 CLK_SPDIF_PLL4P 249 CLK_FDCAN_PLL4Q 250 CLK_SAI1_PLL3Q 251 CLK_SAI2_PLL3Q 252 CLK_SAI3_PLL3Q 253 CLK_SAI4_PLL3Q 254 CLK_RNG1_LSI 255 CLK_RNG2_LSI 256 CLK_LPTIM1_PCLK1 257 CLK_LPTIM23_PCLK3 258 CLK_LPTIM45_LSE 259 >; 260 261 /* VCO = 1300.0 MHz => P = 650 (CPU) */ 262 pll1: st,pll@0 { 263 cfg = < 2 80 0 0 0 PQR(1,0,0) >; 264 frac = < 0x800 >; 265 }; 266 267 /* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */ 268 pll2: st,pll@1 { 269 cfg = < 2 65 1 0 0 PQR(1,1,1) >; 270 frac = < 0x1400 >; 271 }; 272 273 /* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */ 274 pll3: st,pll@2 { 275 cfg = < 1 33 1 16 36 PQR(1,1,1) >; 276 frac = < 0x1a04 >; 277 }; 278 279 /* VCO = 594.0 MHz => P = 99, Q = 74, R = 74 */ 280 pll4: st,pll@3 { 281 cfg = < 3 98 5 7 7 PQR(1,1,1) >; 282 }; 283}; 284