Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/stm32mp15xx-osd32.dtsi
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1 /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */ 2 /* 3 * Copyright (C) 2020 STMicroelectronics - All Rights Reserved 4 * Copyright (C) 2020 Ahmad Fatoum, Pengutronix 5 */ 6 7 #include "stm32mp15-pinctrl.dtsi" 8 9 #include <dt-bindings/mfd/st,stpmic1.h> 10 11 / { 12 reserved-memory { 13 #address-cells = <1>; 14 #size-cells = <1>; 15 ranges; 16 17 mcuram2: mcuram2@10000000 { 18 compatible = "shared-dma-pool"; 19 reg = <0x10000000 0x40000>; 20 no-map; 21 }; 22 23 vdev0vring0: vdev0vring0@10040000 { 24 compatible = "shared-dma-pool"; 25 reg = <0x10040000 0x1000>; 26 no-map; 27 }; 28 29 vdev0vring1: vdev0vring1@10041000 { 30 compatible = "shared-dma-pool"; 31 reg = <0x10041000 0x1000>; 32 no-map; 33 }; 34 35 vdev0buffer: vdev0buffer@10042000 { 36 compatible = "shared-dma-pool"; 37 reg = <0x10042000 0x4000>; 38 no-map; 39 }; 40 41 mcuram: mcuram@30000000 { 42 compatible = "shared-dma-pool"; 43 reg = <0x30000000 0x40000>; 44 no-map; 45 }; 46 47 retram: retram@38000000 { 48 compatible = "shared-dma-pool"; 49 reg = <0x38000000 0x10000>; 50 no-map; 51 }; 52 }; 53 }; 54 55 &i2c4 { 56 pinctrl-names = "default", "sleep"; 57 pinctrl-0 = <&i2c4_pins_a>; 58 pinctrl-1 = <&i2c4_sleep_pins_a>; 59 clock-frequency = <400000>; 60 i2c-scl-rising-time-ns = <185>; 61 i2c-scl-falling-time-ns = <20>; 62 status = "okay"; 63 64 pmic: stpmic@33 { 65 compatible = "st,stpmic1"; 66 reg = <0x33>; 67 interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>; 68 interrupt-controller; 69 #interrupt-cells = <2>; 70 71 regulators { 72 compatible = "st,stpmic1-regulators"; 73 74 ldo1-supply = <&v3v3>; 75 ldo3-supply = <&vdd_ddr>; 76 ldo6-supply = <&v3v3>; 77 pwr_sw1-supply = <&bst_out>; 78 79 vddcore: buck1 { 80 regulator-name = "vddcore"; 81 regulator-min-microvolt = <1200000>; 82 regulator-max-microvolt = <1350000>; 83 regulator-always-on; 84 regulator-initial-mode = <0>; 85 regulator-over-current-protection; 86 }; 87 88 vdd_ddr: buck2 { 89 regulator-name = "vdd_ddr"; 90 regulator-min-microvolt = <1350000>; 91 regulator-max-microvolt = <1350000>; 92 regulator-always-on; 93 regulator-initial-mode = <0>; 94 regulator-over-current-protection; 95 }; 96 97 vdd: buck3 { 98 regulator-name = "vdd"; 99 regulator-min-microvolt = <3300000>; 100 regulator-max-microvolt = <3300000>; 101 regulator-always-on; 102 st,mask-reset; 103 regulator-initial-mode = <0>; 104 regulator-over-current-protection; 105 }; 106 107 v3v3: buck4 { 108 regulator-name = "v3v3"; 109 regulator-min-microvolt = <3300000>; 110 regulator-max-microvolt = <3300000>; 111 regulator-always-on; 112 regulator-over-current-protection; 113 regulator-initial-mode = <0>; 114 }; 115 116 v1v8_audio: ldo1 { 117 regulator-name = "v1v8_audio"; 118 regulator-min-microvolt = <1800000>; 119 regulator-max-microvolt = <1800000>; 120 regulator-always-on; 121 interrupts = <IT_CURLIM_LDO1 0>; 122 123 }; 124 125 v3v3_hdmi: ldo2 { 126 regulator-name = "v3v3_hdmi"; 127 regulator-min-microvolt = <3300000>; 128 regulator-max-microvolt = <3300000>; 129 regulator-always-on; 130 interrupts = <IT_CURLIM_LDO2 0>; 131 132 }; 133 134 vtt_ddr: ldo3 { 135 regulator-name = "vtt_ddr"; 136 regulator-min-microvolt = <500000>; 137 regulator-max-microvolt = <750000>; 138 regulator-always-on; 139 regulator-over-current-protection; 140 }; 141 142 vdd_usb: ldo4 { 143 regulator-name = "vdd_usb"; 144 interrupts = <IT_CURLIM_LDO4 0>; 145 }; 146 147 vdda: ldo5 { 148 regulator-name = "vdda"; 149 regulator-min-microvolt = <2900000>; 150 regulator-max-microvolt = <2900000>; 151 interrupts = <IT_CURLIM_LDO5 0>; 152 regulator-boot-on; 153 }; 154 155 v1v2_hdmi: ldo6 { 156 regulator-name = "v1v2_hdmi"; 157 regulator-min-microvolt = <1200000>; 158 regulator-max-microvolt = <1200000>; 159 regulator-always-on; 160 interrupts = <IT_CURLIM_LDO6 0>; 161 162 }; 163 164 vref_ddr: vref_ddr { 165 regulator-name = "vref_ddr"; 166 regulator-always-on; 167 }; 168 169 bst_out: boost { 170 regulator-name = "bst_out"; 171 interrupts = <IT_OCP_BOOST 0>; 172 }; 173 174 vbus_otg: pwr_sw1 { 175 regulator-name = "vbus_otg"; 176 interrupts = <IT_OCP_OTG 0>; 177 regulator-active-discharge = <1>; 178 }; 179 180 vbus_sw: pwr_sw2 { 181 regulator-name = "vbus_sw"; 182 interrupts = <IT_OCP_SWOUT 0>; 183 regulator-active-discharge = <1>; 184 }; 185 }; 186 187 onkey { 188 compatible = "st,stpmic1-onkey"; 189 interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>; 190 interrupt-names = "onkey-falling", "onkey-rising"; 191 }; 192 193 pmic_watchdog: watchdog { 194 compatible = "st,stpmic1-wdt"; 195 status = "disabled"; 196 }; 197 }; 198 199 sip_eeprom: eeprom@50 { 200 compatible = "atmel,24c32"; 201 vcc-supply = <&vdd>; 202 reg = <0x50>; 203 }; 204 }; 205 206 &ipcc { 207 status = "okay"; 208 }; 209 210 &m4_rproc { 211 memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>, 212 <&vdev0vring1>, <&vdev0buffer>; 213 mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>; 214 mbox-names = "vq0", "vq1", "shutdown"; 215 interrupt-parent = <&exti>; 216 interrupts = <68 1>; 217 status = "okay"; 218 }; 219 220 &rng1 { 221 status = "okay"; 222 };
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