Yann Gautier | 6638695 | 2018-07-05 16:49:51 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) |
| 2 | /* |
| 3 | * Copyright (C) STMicroelectronics 2017 - All Rights Reserved |
| 4 | * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics. |
| 5 | */ |
| 6 | |
| 7 | /dts-v1/; |
| 8 | |
| 9 | #include "stm32mp157c.dtsi" |
| 10 | #include "stm32mp157caa-pinctrl.dtsi" |
| 11 | |
| 12 | / { |
| 13 | model = "STMicroelectronics STM32MP157C-ED1 pmic eval daughter"; |
| 14 | compatible = "st,stm32mp157c-ed1", "st,stm32mp157"; |
| 15 | |
| 16 | chosen { |
| 17 | bootargs = "earlyprintk console=ttyS3,115200 root=/dev/ram"; |
| 18 | stdout-path = "serial3:115200n8"; |
| 19 | }; |
| 20 | }; |
| 21 | |
| 22 | &i2c4 { |
| 23 | pinctrl-names = "default"; |
| 24 | pinctrl-0 = <&i2c4_pins_a>; |
| 25 | i2c-scl-rising-time-ns = <185>; |
| 26 | i2c-scl-falling-time-ns = <20>; |
| 27 | status = "okay"; |
| 28 | |
| 29 | pmic: stpmu1@33 { |
| 30 | compatible = "st,stpmu1"; |
| 31 | reg = <0x33>; |
| 32 | status = "okay"; |
| 33 | |
| 34 | st,main_control_register = <0x04>; |
| 35 | st,vin_control_register = <0xc0>; |
| 36 | st,usb_control_register = <0x30>; |
| 37 | |
| 38 | regulators { |
| 39 | compatible = "st,stpmu1-regulators"; |
| 40 | |
| 41 | v3v3: buck4 { |
| 42 | regulator-name = "v3v3"; |
| 43 | regulator-min-microvolt = <3300000>; |
| 44 | regulator-max-microvolt = <3300000>; |
| 45 | regulator-boot-on; |
| 46 | regulator-over-current-protection; |
| 47 | regulator-initial-mode = <8>; |
| 48 | |
| 49 | regulator-state-standby { |
| 50 | regulator-suspend-microvolt = <3300000>; |
| 51 | regulator-unchanged-in-suspend; |
| 52 | regulator-mode = <8>; |
| 53 | }; |
| 54 | regulator-state-mem { |
| 55 | regulator-off-in-suspend; |
| 56 | }; |
| 57 | regulator-state-disk { |
| 58 | regulator-off-in-suspend; |
| 59 | }; |
| 60 | }; |
| 61 | |
| 62 | vdd_sd: ldo5 { |
| 63 | regulator-name = "vdd_sd"; |
| 64 | regulator-min-microvolt = <2900000>; |
| 65 | regulator-max-microvolt = <2900000>; |
| 66 | regulator-boot-on; |
| 67 | |
| 68 | regulator-state-standby { |
| 69 | regulator-suspend-microvolt = <2900000>; |
| 70 | regulator-unchanged-in-suspend; |
| 71 | }; |
| 72 | regulator-state-mem { |
| 73 | regulator-off-in-suspend; |
| 74 | }; |
| 75 | regulator-state-disk { |
| 76 | regulator-off-in-suspend; |
| 77 | }; |
| 78 | }; |
| 79 | }; |
| 80 | }; |
| 81 | }; |
| 82 | |
| 83 | &iwdg2 { |
| 84 | instance = <2>; |
| 85 | timeout-sec = <32>; |
| 86 | status = "okay"; |
| 87 | }; |
| 88 | |
| 89 | &rng1 { |
| 90 | status = "okay"; |
| 91 | }; |
| 92 | |
| 93 | &sdmmc1 { |
| 94 | pinctrl-names = "default"; |
| 95 | pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; |
| 96 | broken-cd; |
| 97 | st,dirpol; |
| 98 | st,negedge; |
| 99 | st,pin-ckin; |
| 100 | bus-width = <4>; |
| 101 | sd-uhs-sdr12; |
| 102 | sd-uhs-sdr25; |
| 103 | sd-uhs-sdr50; |
| 104 | sd-uhs-ddr50; |
| 105 | sd-uhs-sdr104; |
| 106 | status = "okay"; |
| 107 | }; |
| 108 | |
| 109 | &sdmmc2 { |
| 110 | pinctrl-names = "default"; |
| 111 | pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>; |
| 112 | non-removable; |
| 113 | no-sd; |
| 114 | no-sdio; |
| 115 | st,dirpol; |
| 116 | st,negedge; |
| 117 | bus-width = <8>; |
| 118 | status = "okay"; |
| 119 | }; |
| 120 | |
| 121 | &uart4 { |
| 122 | pinctrl-names = "default"; |
| 123 | pinctrl-0 = <&uart4_pins_a>; |
| 124 | resets = <&rcc UART4_R>; |
| 125 | status = "okay"; |
| 126 | }; |
| 127 | |
| 128 | /* ATF Specific */ |
| 129 | #include <dt-bindings/clock/stm32mp1-clksrc.h> |
| 130 | #include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi" |
| 131 | |
| 132 | / { |
| 133 | aliases { |
| 134 | gpio0 = &gpioa; |
| 135 | gpio1 = &gpiob; |
| 136 | gpio2 = &gpioc; |
| 137 | gpio3 = &gpiod; |
| 138 | gpio4 = &gpioe; |
| 139 | gpio5 = &gpiof; |
| 140 | gpio6 = &gpiog; |
| 141 | gpio7 = &gpioh; |
| 142 | gpio8 = &gpioi; |
| 143 | gpio9 = &gpioj; |
| 144 | gpio10 = &gpiok; |
| 145 | gpio25 = &gpioz; |
| 146 | i2c3 = &i2c4; |
| 147 | }; |
| 148 | |
| 149 | soc { |
| 150 | stgen: stgen@5C008000 { |
| 151 | compatible = "st,stm32-stgen"; |
| 152 | reg = <0x5C008000 0x1000>; |
| 153 | status = "okay"; |
| 154 | }; |
| 155 | }; |
| 156 | }; |
| 157 | |
| 158 | /* CLOCK init */ |
| 159 | &rcc { |
| 160 | st,clksrc = < |
| 161 | CLK_MPU_PLL1P |
| 162 | CLK_AXI_PLL2P |
| 163 | CLK_PLL12_HSE |
| 164 | CLK_PLL3_HSE |
| 165 | CLK_PLL4_HSE |
| 166 | CLK_RTC_LSE |
| 167 | CLK_MCO1_DISABLED |
| 168 | CLK_MCO2_DISABLED |
| 169 | >; |
| 170 | |
| 171 | st,clkdiv = < |
| 172 | 1 /*MPU*/ |
| 173 | 0 /*AXI*/ |
| 174 | 1 /*APB1*/ |
| 175 | 1 /*APB2*/ |
| 176 | 1 /*APB3*/ |
| 177 | 1 /*APB4*/ |
| 178 | 2 /*APB5*/ |
| 179 | 23 /*RTC*/ |
| 180 | 0 /*MCO1*/ |
| 181 | 0 /*MCO2*/ |
| 182 | >; |
| 183 | |
| 184 | st,pkcs = < |
| 185 | CLK_CKPER_HSE |
| 186 | CLK_FMC_ACLK |
| 187 | CLK_QSPI_ACLK |
| 188 | CLK_ETH_DISABLED |
| 189 | CLK_SDMMC12_PLL3R |
| 190 | CLK_DSI_DSIPLL |
| 191 | CLK_STGEN_HSE |
| 192 | CLK_USBPHY_HSE |
| 193 | CLK_SPI2S1_PLL3Q |
| 194 | CLK_SPI2S23_PLL3Q |
| 195 | CLK_SPI45_HSI |
| 196 | CLK_SPI6_HSI |
| 197 | CLK_I2C46_HSI |
| 198 | CLK_SDMMC3_PLL3R |
| 199 | CLK_USBO_USBPHY |
| 200 | CLK_ADC_CKPER |
| 201 | CLK_CEC_LSE |
| 202 | CLK_I2C12_HSI |
| 203 | CLK_I2C35_HSI |
| 204 | CLK_UART1_HSI |
| 205 | CLK_UART24_HSI |
| 206 | CLK_UART35_HSI |
| 207 | CLK_UART6_HSI |
| 208 | CLK_UART78_HSI |
| 209 | CLK_SPDIF_PLL3Q |
| 210 | CLK_FDCAN_PLL4Q |
| 211 | CLK_SAI1_PLL3Q |
| 212 | CLK_SAI2_PLL3Q |
| 213 | CLK_SAI3_PLL3Q |
| 214 | CLK_SAI4_PLL3Q |
| 215 | CLK_RNG1_CSI |
| 216 | CLK_RNG2_CSI |
| 217 | CLK_LPTIM1_PCLK1 |
| 218 | CLK_LPTIM23_PCLK3 |
| 219 | CLK_LPTIM45_PCLK3 |
| 220 | >; |
| 221 | |
| 222 | /* VCO = 1300.0 MHz => P = 650 (CPU) */ |
| 223 | pll1: st,pll@0 { |
| 224 | cfg = < 2 80 0 0 0 PQR(1,0,0) >; |
| 225 | frac = < 0x800 >; |
| 226 | }; |
| 227 | |
| 228 | /* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */ |
| 229 | pll2: st,pll@1 { |
| 230 | cfg = < 2 65 1 0 0 PQR(1,1,1) >; |
| 231 | frac = < 0x1400 >; |
| 232 | }; |
| 233 | |
| 234 | /* VCO = 786.4 MHz => P = 197, Q = 49, R = 98 */ |
| 235 | pll3: st,pll@2 { |
| 236 | cfg = < 2 97 3 15 7 PQR(1,1,1) >; |
| 237 | frac = < 0x9ba >; |
| 238 | }; |
| 239 | |
| 240 | /* VCO = 508.0 MHz => P = 56, Q = 56, R = 56 */ |
| 241 | pll4: st,pll@3 { |
| 242 | cfg = < 5 126 8 8 8 PQR(1,1,1) >; |
| 243 | }; |
| 244 | }; |
| 245 | |
| 246 | /delete-node/ &clk_csi; |