/* * Copyright (c) 2021 The Chromium OS Authors * Copyright (c) 2021 Linaro Limited * Copyright (c) 2023 PSICONTROL nv * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include #include #include #include #include #include #include #include #include #include / { chosen { zephyr,entropy = &rng; zephyr,flash-controller = &flash; }; cpus { #address-cells = <1>; #size-cells = <0>; cpu0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-m33"; reg = <0>; #address-cells = <1>; #size-cells = <1>; cpu-power-states = <&stop0 &stop1 &stop2>; mpu: mpu@e000ed90 { compatible = "arm,armv8m-mpu"; reg = <0xe000ed90 0x40>; arm,num-mpu-regions = <8>; }; }; power-states { stop0: state0 { compatible = "zephyr,power-state"; power-state-name = "suspend-to-idle"; substate-id = <1>; min-residency-us = <100>; }; stop1: state1 { compatible = "zephyr,power-state"; power-state-name = "suspend-to-idle"; substate-id = <2>; min-residency-us = <500>; }; stop2: state2 { compatible = "zephyr,power-state"; power-state-name = "suspend-to-idle"; substate-id = <3>; min-residency-us = <900>; }; }; }; sram0: memory@20000000 { compatible = "mmio-sram"; }; clocks { clk_hse: clk-hse { #clock-cells = <0>; compatible = "st,stm32-hse-clock"; status = "disabled"; }; clk_hsi: clk-hsi { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = ; status = "disabled"; }; clk_hsi48: clk-hsi48 { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = ; status = "disabled"; }; clk_msis: clk-msis { #clock-cells = <0>; compatible = "st,stm32u5-msi-clock"; msi-range = <4>; /* 4MHz (reset value) */ status = "disabled"; }; clk_msik: clk-msik { #clock-cells = <0>; compatible = "st,stm32u5-msi-clock"; msi-range = <4>; /* 4MHz (reset value) */ status = "disabled"; }; clk_lse: clk-lse { #clock-cells = <0>; compatible = "st,stm32-lse-clock"; clock-frequency = <32768>; driving-capability = <2>; status = "disabled"; }; clk_lsi: clk-lsi { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = ; status = "disabled"; }; pll1: pll: pll { #clock-cells = <0>; compatible = "st,stm32u5-pll-clock"; status = "disabled"; }; pll2: pll2 { #clock-cells = <0>; compatible = "st,stm32u5-pll-clock"; status = "disabled"; }; pll3: pll3 { #clock-cells = <0>; compatible = "st,stm32u5-pll-clock"; status = "disabled"; }; }; soc { flash: flash-controller@40022000 { compatible = "st,stm32-flash-controller", "st,stm32l5-flash-controller"; reg = <0x40022000 0x400>; interrupts = <6 0>; #address-cells = <1>; #size-cells = <1>; flash0: flash@8000000 { compatible = "st,stm32-nv-flash", "soc-nv-flash"; write-block-size = <16>; erase-block-size = <8192>; /* maximum erase time(ms) for a 8K sector */ max-erase-time = <5>; }; }; rcc: rcc@46020c00 { compatible = "st,stm32u5-rcc"; clocks-controller; #clock-cells = <2>; reg = <0x46020c00 0x400>; rctl: reset-controller { compatible = "st,stm32-rcc-rctl"; #reset-cells = <1>; }; }; exti: interrupt-controller@46022000 { compatible = "st,stm32g0-exti", "st,stm32-exti"; interrupt-controller; #interrupt-cells = <1>; #address-cells = <1>; reg = <0x46022000 0x400>; num-lines = <16>; interrupts = <11 0>, <12 0>, <13 0>, <14 0>, <15 0>, <16 0>, <17 0>, <18 0>, <19 0>, <20 0>, <21 0>, <22 0>, <23 0>, <24 0>, <25 0>, <26 0>; interrupt-names = "line0", "line1", "line2", "line3", "line4", "line5", "line6", "line7", "line8", "line9", "line10", "line11", "line12", "line13", "line14", "line15"; line-ranges = <0 1>, <1 1>, <2 1>, <3 1>, <4 1>, <5 1>, <6 1>, <7 1>, <8 1>, <9 1>, <10 1>, <11 1>, <12 1>, <13 1>, <14 1>, <15 1>; }; pinctrl: pin-controller@42020000 { compatible = "st,stm32-pinctrl"; #address-cells = <1>; #size-cells = <1>; reg = <0x42020000 0x2000>; gpioa: gpio@42020000 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42020000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000001>; }; gpiob: gpio@42020400 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42020400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000002>; }; gpioc: gpio@42020800 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42020800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000004>; }; gpiod: gpio@42020c00 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42020c00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000008>; }; gpioe: gpio@42021000 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42021000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000010>; }; gpiof: gpio@42021400 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42021400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000020>; }; gpiog: gpio@42021800 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42021800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000040>; }; gpioh: gpio@42021c00 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42021c00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000080>; }; gpioi: gpio@42022000 { compatible = "st,stm32-gpio"; gpio-controller; #gpio-cells = <2>; reg = <0x42022000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000100>; }; }; iwdg: watchdog@40003000 { compatible = "st,stm32-watchdog"; reg = <0x40003000 0x400>; status = "disabled"; }; wwdg: wwdg1: watchdog@40002c00 { compatible = "st,stm32-window-watchdog"; reg = <0x40002c00 0x1000>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000800>; interrupts = <0 7>; status = "disabled"; }; backup_sram: memory@40036400 { compatible = "zephyr,memory-region", "st,stm32-backup-sram"; reg = <0x40036400 DT_SIZE_K(2)>; /* BKPSRAMEN and RAMCFGEN clock enable */ clocks = <&rcc STM32_CLOCK_BUS_AHB1 0x10020000>; zephyr,memory-region = "BACKUP_SRAM"; status = "disabled"; }; usart1: serial@40013800 { compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40013800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00004000>; resets = <&rctl STM32_RESET(APB2, 14U)>; interrupts = <61 0>; status = "disabled"; }; usart2: serial@40004400 { compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40004400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00020000>; resets = <&rctl STM32_RESET(APB1L, 17U)>; interrupts = <62 0>; status = "disabled"; }; usart3: serial@40004800 { compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40004800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00040000>; resets = <&rctl STM32_RESET(APB1L, 18U)>; interrupts = <63 0>; status = "disabled"; }; uart4: serial@40004c00 { compatible = "st,stm32-uart"; reg = <0x40004c00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00080000>; resets = <&rctl STM32_RESET(APB1L, 19U)>; interrupts = <64 0>; status = "disabled"; }; uart5: serial@40005000 { compatible = "st,stm32-uart"; reg = <0x40005000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00100000>; resets = <&rctl STM32_RESET(APB1L, 20U)>; interrupts = <65 0>; status = "disabled"; }; lpuart1: serial@46002400 { compatible = "st,stm32-lpuart", "st,stm32-uart"; reg = <0x46002400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000040>; resets = <&rctl STM32_RESET(APB3, 6U)>; interrupts = <66 0>; status = "disabled"; }; spi1: spi@40013000 { compatible = "st,stm32h7-spi", "st,stm32-spi-fifo", "st,stm32-spi"; #address-cells = <1>; #size-cells = <0>; reg = <0x40013000 0x400>; interrupts = <59 5>; clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00001000>; status = "disabled"; }; spi2: spi@40003800 { compatible = "st,stm32h7-spi", "st,stm32-spi-fifo", "st,stm32-spi"; #address-cells = <1>; #size-cells = <0>; reg = <0x40003800 0x400>; interrupts = <60 5>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00004000>; status = "disabled"; }; spi3: spi@46002000 { compatible = "st,stm32h7-spi", "st,stm32-spi-fifo", "st,stm32-spi"; #address-cells = <1>; #size-cells = <0>; reg = <0x46002000 0x400>; interrupts = <99 5>; clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000020>; status = "disabled"; }; i2c1: i2c@40005400 { compatible = "st,stm32-i2c-v2"; clock-frequency = ; #address-cells = <1>; #size-cells = <0>; reg = <0x40005400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00200000>; interrupts = <55 0>, <56 0>; interrupt-names = "event", "error"; status = "disabled"; }; i2c2: i2c@40005800 { compatible = "st,stm32-i2c-v2"; clock-frequency = ; #address-cells = <1>; #size-cells = <0>; reg = <0x40005800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00400000>; interrupts = <57 0>, <58 0>; interrupt-names = "event", "error"; status = "disabled"; }; i2c3: i2c@46002800 { compatible = "st,stm32-i2c-v2"; clock-frequency = ; #address-cells = <1>; #size-cells = <0>; reg = <0x46002800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000080>; interrupts = <88 0>, <89 0>; interrupt-names = "event", "error"; status = "disabled"; }; i2c4: i2c@40008400 { compatible = "st,stm32-i2c-v2"; clock-frequency = ; #address-cells = <1>; #size-cells = <0>; reg = <0x40008400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000002>; interrupts = <101 0>, <100 0>; interrupt-names = "event", "error"; status = "disabled"; }; lptim1: timers@46004400 { compatible = "st,stm32-lptim"; #address-cells = <1>; #size-cells = <0>; reg = <0x46004400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000800>; interrupts = <67 1>; interrupt-names = "wakeup"; st,static-prescaler; status = "disabled"; }; lptim2: timers@40009400 { compatible = "st,stm32-lptim"; #address-cells = <1>; #size-cells = <0>; reg = <0x40009400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000020>; interrupts = <68 0>; interrupt-names = "global"; st,static-prescaler; status = "disabled"; }; lptim3: timers@46004800 { compatible = "st,stm32-lptim"; #address-cells = <1>; #size-cells = <0>; reg = <0x46004800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00001000>; interrupts = <98 0>; interrupt-names = "global"; st,static-prescaler; status = "disabled"; }; lptim4: timers@46004c00 { compatible = "st,stm32-lptim"; #address-cells = <1>; #size-cells = <0>; reg = <0x46004c00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00002000>; interrupts = <110 0>; interrupt-names = "global"; st,static-prescaler; status = "disabled"; }; rtc: rtc@46007800 { compatible = "st,stm32-rtc"; reg = <0x46007800 0x400>; interrupts = <2 0>; clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00200000>; prescaler = <32768>; status = "disabled"; }; timers1: timers@40012c00 { compatible = "st,stm32-timers"; reg = <0x40012c00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00000800>; resets = <&rctl STM32_RESET(APB2, 11U)>; interrupts = <41 0>, <42 0>, <43 0>, <44 0>; interrupt-names = "brk", "up", "trgcom", "cc"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; }; timers2: timers@40000000 { compatible = "st,stm32-timers"; reg = <0x40000000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000001>; resets = <&rctl STM32_RESET(APB1L, 0U)>; interrupts = <45 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; }; timers3: timers@40000400 { compatible = "st,stm32-timers"; reg = <0x40000400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000002>; resets = <&rctl STM32_RESET(APB1L, 1U)>; interrupts = <46 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; }; timers4: timers@40000800 { compatible = "st,stm32-timers"; reg = <0x40000800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000004>; resets = <&rctl STM32_RESET(APB1L, 2U)>; interrupts = <47 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; counter { compatible = "st,stm32-counter"; status = "disabled"; }; }; timers5: timers@40000c00 { compatible = "st,stm32-timers"; reg = <0x40000c00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000008>; resets = <&rctl STM32_RESET(APB1L, 3U)>; interrupts = <48 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; counter { compatible = "st,stm32-counter"; status = "disabled"; }; }; timers6: timers@40001000 { compatible = "st,stm32-timers"; reg = <0x40001000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000010>; resets = <&rctl STM32_RESET(APB1L, 4U)>; interrupts = <49 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; }; timers7: timers@40001400 { compatible = "st,stm32-timers"; reg = <0x40001400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000020>; resets = <&rctl STM32_RESET(APB1L, 5U)>; interrupts = <50 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; }; timers8: timers@40013400 { compatible = "st,stm32-timers"; reg = <0x40013400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00002000>; resets = <&rctl STM32_RESET(APB2, 13U)>; interrupts = <51 0>, <52 0>, <53 0>, <54 0>; interrupt-names = "brk", "up", "trgcom", "cc"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; }; timers15: timers@40014000 { compatible = "st,stm32-timers"; reg = <0x40014000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00010000>; resets = <&rctl STM32_RESET(APB2, 16U)>; interrupts = <69 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; counter { compatible = "st,stm32-counter"; status = "disabled"; }; }; timers16: timers@40014400 { compatible = "st,stm32-timers"; reg = <0x40014400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00020000>; resets = <&rctl STM32_RESET(APB2, 17U)>; interrupts = <70 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; counter { compatible = "st,stm32-counter"; status = "disabled"; }; }; timers17: timers@40014800 { compatible = "st,stm32-timers"; reg = <0x40014800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00040000>; resets = <&rctl STM32_RESET(APB2, 18U)>; interrupts = <71 0>; interrupt-names = "global"; status = "disabled"; pwm { compatible = "st,stm32-pwm"; status = "disabled"; #pwm-cells = <3>; }; counter { compatible = "st,stm32-counter"; status = "disabled"; }; }; octospi1: octospi@420d1400 { compatible = "st,stm32-ospi"; reg = <0x420d1400 0x400>; interrupts = <76 0>; clock-names = "ospix", "ospi-ker", "ospi-mgr"; clocks = <&rcc STM32_CLOCK_BUS_AHB2_2 0x00000010>, <&rcc STM32_SRC_SYSCLK OCTOSPI_SEL(0)>, <&rcc STM32_CLOCK_BUS_AHB2 0x00200000>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; }; octospi2: octospi@420d2400 { compatible = "st,stm32-ospi"; reg = <0x420d2400 0x400>; interrupts = <120 0>; clock-names = "ospix", "ospi-ker", "ospi-mgr"; clocks = <&rcc STM32_CLOCK_BUS_AHB2_2 0x00000100>, <&rcc STM32_SRC_SYSCLK OCTOSPI_SEL(0)>, <&rcc STM32_CLOCK_BUS_AHB2 0x00200000>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; }; aes: aes@420c0000 { compatible = "st,stm32-aes"; reg = <0x420c0000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00010000>; interrupts = <93 0>; status = "disabled"; }; rng: rng@420c0800 { compatible = "st,stm32-rng"; reg = <0x420c0800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00040000>; interrupts = <94 0>; nist-config = <0xf60d00>; health-test-config = <0x9aae>; status = "disabled"; }; /* * The SDMMC domain clock can be chosen between ICLK and PLL1P. * But ICLK is itself chosen among HSI48 (the default), PLL2Q, * PLL1Q and MSIK. * * Currently, configuring ICLK is unsupported. When support for * ICLK comes in the future, the clock source for sdmmc1 and * sdmmc2 will have to be replaced with STM32_SRC_ICLK. */ sdmmc1: sdmmc@420c8000 { compatible = "st,stm32-sdmmc"; reg = <0x420c8000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x08000000>, <&rcc STM32_SRC_HSI48 SDMMC_SEL(0)>; resets = <&rctl STM32_RESET(AHB2L, 27U)>; interrupts = <78 0>; status = "disabled"; }; sdmmc2: sdmmc@420c8c00 { compatible = "st,stm32-sdmmc"; reg = <0x420c8c00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x10000000>, <&rcc STM32_SRC_HSI48 SDMMC_SEL(0)>; resets = <&rctl STM32_RESET(AHB2L, 28U)>; interrupts = <79 0>; status = "disabled"; }; dac1: dac@46021800 { compatible = "st,stm32-dac"; reg = <0x46021800 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB3 0x00000040>; status = "disabled"; #io-channel-cells = <1>; }; adc1: adc@42028000 { compatible = "st,stm32-adc"; reg = <0x42028000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2 0x00000400>; interrupts = <37 0>; status = "disabled"; #io-channel-cells = <1>; resolutions = ; sampling-times = <5 6 12 20 36 68 391 814>; st,adc-clock-source = ; st,adc-sequencer = ; }; adc4: adc@46021000 { compatible = "st,stm32-adc"; reg = <0x46021000 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB3 0x00000020>; interrupts = <113 0>; status = "disabled"; #io-channel-cells = <1>; resolutions = ; sampling-times = <2 4 8 13 20 40 80 815>; num-sampling-time-common-channels = <2>; st,adc-clock-source = ; st,adc-sequencer = ; }; fdcan1: can@4000a400 { compatible = "st,stm32-fdcan"; reg = <0x4000a400 0x400>, <0x4000ac00 0x350>; reg-names = "m_can", "message_ram"; interrupts = <39 0>, <40 0>; interrupt-names = "LINE_0", "LINE_1"; clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000200>; bosch,mram-cfg = <0x0 28 8 3 3 0 3 3>; sample-point = <875>; sample-point-data = <875>; status = "disabled"; }; ucpd1: ucpd@4000dc00 { compatible = "st,stm32-ucpd"; reg = <0x4000dc00 0x400>; clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00800000>; interrupts = <106 0>; status = "disabled"; }; gpdma1: dma@40020000 { compatible = "st,stm32u5-dma"; #dma-cells = <3>; reg = <0x40020000 0x400>; interrupts = <29 0 30 0 31 0 32 0 33 0 34 0 35 0 36 0 80 0 81 0 82 0 83 0 84 0 85 0 86 0 87 0>; clocks = <&rcc STM32_CLOCK_BUS_AHB1 0x1>; dma-channels = <16>; dma-requests = <114>; dma-offset = <0>; status = "disabled"; }; fmc: memory-controller@420d0400 { compatible = "st,stm32-fmc"; reg = <0x420d0400 0x400>; clocks = <&rcc STM32_CLOCK_BUS_AHB2_2 0x00000001>; status = "disabled"; sram { compatible = "st,stm32-fmc-nor-psram"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; }; }; }; die_temp: dietemp { compatible = "st,stm32-temp-cal"; ts-cal1-addr = <0x0BFA0710>; ts-cal2-addr = <0x0BFA0742>; ts-cal1-temp = <30>; ts-cal2-temp = <130>; ts-cal-vrefanalog = <3000>; ts-cal-resolution = <14>; io-channels = <&adc1 19>; status = "disabled"; }; vref1: vref_1 { compatible = "st,stm32-vref"; vrefint-cal-addr = <0x0BFA07A5>; vrefint-cal-mv = <3000>; io-channels = <&adc1 0>; status = "disabled"; }; vref4: vref_4 { compatible = "st,stm32-vref"; vrefint-cal-addr = <0x0BFA07A5>; vrefint-cal-mv = <3000>; io-channels = <&adc4 0>; status = "disabled"; }; vbat1: vbat_1 { compatible = "st,stm32-vbat"; ratio = <4>; io-channels = <&adc1 18>; status = "disabled"; }; vbat4: vbat_4 { compatible = "st,stm32-vbat"; ratio = <4>; io-channels = <&adc4 14>; status = "disabled"; }; }; &nvic { arm,num-irq-priority-bits = <4>; };