| /* |
| * Copyright (c) 2018 Endre Karlson <endre.karlson@gmail.com> |
| * Copyright (c) 2019 Centaur Analytics, Inc |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <arm/armv6-m.dtsi> |
| #include <zephyr/dt-bindings/clock/stm32l0_clock.h> |
| #include <zephyr/dt-bindings/i2c/i2c.h> |
| #include <zephyr/dt-bindings/gpio/gpio.h> |
| #include <zephyr/dt-bindings/pwm/pwm.h> |
| #include <zephyr/dt-bindings/adc/adc.h> |
| #include <zephyr/dt-bindings/pwm/stm32_pwm.h> |
| #include <zephyr/dt-bindings/dma/stm32_dma.h> |
| #include <zephyr/dt-bindings/adc/stm32l4_adc.h> |
| #include <zephyr/dt-bindings/reset/stm32l0_reset.h> |
| #include <freq.h> |
| |
| / { |
| chosen { |
| zephyr,flash-controller = &flash; |
| }; |
| |
| cpus { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| cpu0: cpu@0 { |
| device_type = "cpu"; |
| compatible = "arm,cortex-m0+"; |
| reg = <0>; |
| cpu-power-states = <&stop>; |
| }; |
| |
| power-states { |
| stop: stop { |
| compatible = "zephyr,power-state"; |
| power-state-name = "suspend-to-idle"; |
| min-residency-us = <2000>; |
| exit-latency-us = <750>; |
| }; |
| }; |
| }; |
| |
| 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 = <DT_FREQ_M(16)>; |
| status = "disabled"; |
| }; |
| |
| clk_msi: clk-msi { |
| #clock-cells = <0>; |
| compatible = "st,stm32l0-msi-clock"; |
| msi-range = <5>; /* 2.1MHz (reset value) */ |
| status = "disabled"; |
| }; |
| |
| clk_lse: clk-lse { |
| #clock-cells = <0>; |
| compatible = "st,stm32-lse-clock"; |
| clock-frequency = <32768>; |
| driving-capability = <0>; |
| status = "disabled"; |
| }; |
| |
| clk_lsi: clk-lsi { |
| #clock-cells = <0>; |
| compatible = "fixed-clock"; |
| clock-frequency = <DT_FREQ_K(37)>; |
| status = "disabled"; |
| }; |
| |
| pll: pll { |
| #clock-cells = <0>; |
| compatible = "st,stm32l0-pll-clock"; |
| status = "disabled"; |
| }; |
| }; |
| |
| soc { |
| rtc: rtc@40002800 { |
| compatible = "st,stm32-rtc"; |
| reg = <0x40002800 0x400>; |
| interrupts = <2 0>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>; |
| prescaler = <32768>; |
| status = "disabled"; |
| |
| bbram: backup_regs { |
| compatible = "st,stm32-bbram"; |
| st,backup-regs = <5>; |
| status = "disabled"; |
| }; |
| }; |
| |
| flash: flash-controller@40022000 { |
| compatible = "st,stm32-flash-controller", "st,stm32f1-flash-controller"; |
| reg = <0x40022000 0x400>; |
| interrupts = <3 0>; |
| |
| #address-cells = <1>; |
| #size-cells = <1>; |
| |
| flash0: flash@8000000 { |
| compatible = "st,stm32-nv-flash", "soc-nv-flash"; |
| |
| write-block-size = <4>; |
| /* maximum erase time(ms) for a 128B page */ |
| max-erase-time = <4>; |
| }; |
| }; |
| |
| rcc: rcc@40021000 { |
| compatible = "st,stm32-rcc"; |
| #clock-cells = <2>; |
| reg = <0x40021000 0x400>; |
| |
| rctl: reset-controller { |
| compatible = "st,stm32-rcc-rctl"; |
| #reset-cells = <1>; |
| }; |
| }; |
| |
| exti: interrupt-controller@40010400 { |
| compatible = "st,stm32-exti"; |
| interrupt-controller; |
| #interrupt-cells = <1>; |
| #address-cells = <1>; |
| reg = <0x40010400 0x400>; |
| num-lines = <16>; |
| interrupts = <5 0>, <6 0>, <7 0>; |
| interrupt-names = "line0-1", "line2-3", "line4-15"; |
| line-ranges = <0 2>, <2 2>, <4 12>; |
| }; |
| |
| pinctrl: pin-controller@50000000 { |
| compatible = "st,stm32-pinctrl"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| reg = <0x50000000 0x2000>; |
| |
| gpioa: gpio@50000000 { |
| compatible = "st,stm32-gpio"; |
| gpio-controller; |
| #gpio-cells = <2>; |
| reg = <0x50000000 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_IOP 0x00000001>; |
| }; |
| |
| gpiob: gpio@50000400 { |
| compatible = "st,stm32-gpio"; |
| gpio-controller; |
| #gpio-cells = <2>; |
| reg = <0x50000400 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_IOP 0x00000002>; |
| }; |
| |
| gpioc: gpio@50000800 { |
| compatible = "st,stm32-gpio"; |
| gpio-controller; |
| #gpio-cells = <2>; |
| reg = <0x50000800 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_IOP 0x00000004>; |
| }; |
| |
| gpiod: gpio@50000c00 { |
| compatible = "st,stm32-gpio"; |
| gpio-controller; |
| #gpio-cells = <2>; |
| reg = <0x50000c00 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_IOP 0x00000008>; |
| }; |
| |
| gpioh: gpio@50001c00 { |
| compatible = "st,stm32-gpio"; |
| gpio-controller; |
| #gpio-cells = <2>; |
| reg = <0x50001c00 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_IOP 0x00000080>; |
| }; |
| }; |
| |
| iwdg: watchdog@40003000 { |
| compatible = "st,stm32-watchdog"; |
| reg = <0x40003000 0x400>; |
| status = "disabled"; |
| }; |
| |
| wwdg: watchdog@40002c00 { |
| compatible = "st,stm32-window-watchdog"; |
| reg = <0x40002C00 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000800>; |
| interrupts = <0 2>; |
| 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(APB1, 17U)>; |
| interrupts = <28 0>; |
| status = "disabled"; |
| }; |
| |
| lpuart1: serial@40004800 { |
| compatible = "st,stm32-lpuart", "st,stm32-uart"; |
| reg = <0x40004800 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00040000>; |
| resets = <&rctl STM32_RESET(APB1, 18U)>; |
| interrupts = <29 0>; |
| status = "disabled"; |
| }; |
| |
| i2c1: i2c@40005400 { |
| compatible = "st,stm32-i2c-v2"; |
| clock-frequency = <I2C_BITRATE_STANDARD>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| reg = <0x40005400 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00200000>; |
| interrupts = <23 0>; |
| interrupt-names = "combined"; |
| status = "disabled"; |
| }; |
| |
| spi1: spi@40013000 { |
| compatible = "st,stm32-spi"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| reg = <0x40013000 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00001000>; |
| interrupts = <25 3>; |
| status = "disabled"; |
| }; |
| |
| timers2: timers@40000000 { |
| compatible = "st,stm32-timers"; |
| reg = <0x40000000 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000001>; |
| resets = <&rctl STM32_RESET(APB1, 0U)>; |
| interrupts = <15 0>; |
| interrupt-names = "global"; |
| st,prescaler = <0>; |
| status = "disabled"; |
| |
| pwm { |
| compatible = "st,stm32-pwm"; |
| status = "disabled"; |
| #pwm-cells = <3>; |
| }; |
| |
| counter { |
| compatible = "st,stm32-counter"; |
| status = "disabled"; |
| }; |
| }; |
| |
| timers21: timers@40010800 { |
| compatible = "st,stm32-timers"; |
| reg = <0x40010800 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00000004>; |
| resets = <&rctl STM32_RESET(APB2, 2U)>; |
| interrupts = <20 0>; |
| interrupt-names = "global"; |
| st,prescaler = <0>; |
| status = "disabled"; |
| |
| pwm { |
| compatible = "st,stm32-pwm"; |
| status = "disabled"; |
| #pwm-cells = <3>; |
| }; |
| |
| counter { |
| compatible = "st,stm32-counter"; |
| status = "disabled"; |
| }; |
| }; |
| |
| lptim1: timers@40007c00 { |
| compatible = "st,stm32-lptim"; |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x80000000>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| reg = <0x40007c00 0x400>; |
| interrupts = <13 1>; |
| interrupt-names = "wakeup"; |
| status = "disabled"; |
| }; |
| |
| adc1: adc@40012400 { |
| compatible = "st,stm32-adc"; |
| reg = <0x40012400 0x400>; |
| clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00000200>; |
| interrupts = <12 0>; |
| status = "disabled"; |
| #io-channel-cells = <1>; |
| resolutions = <STM32_ADC_RES(12, 0x00) |
| STM32_ADC_RES(10, 0x01) |
| STM32_ADC_RES(8, 0x02) |
| STM32_ADC_RES(6, 0x03)>; |
| sampling-times = <2 4 8 13 20 40 80 161>; |
| num-sampling-time-common-channels = <1>; |
| st,adc-sequencer = <NOT_FULLY_CONFIGURABLE>; |
| }; |
| |
| dma1: dma@40020000 { |
| compatible = "st,stm32-dma-v2"; |
| #dma-cells = <3>; |
| reg = <0x40020000 0x400>; |
| interrupts = <9 0 10 0 10 0 11 0 11 0 11 0 11 0>; |
| clocks = <&rcc STM32_CLOCK_BUS_AHB1 0x1>; |
| status = "disabled"; |
| }; |
| |
| eeprom: eeprom@8080000{ |
| compatible = "st,stm32-eeprom"; |
| status = "disabled"; |
| }; |
| }; |
| |
| die_temp: dietemp { |
| compatible = "st,stm32-temp-cal"; |
| ts-cal1-addr = <0x1FF8007A>; |
| ts-cal2-addr = <0x1FF8007E>; |
| ts-cal1-temp = <30>; |
| ts-cal2-temp = <130>; |
| ts-cal-vrefanalog = <3000>; |
| io-channels = <&adc1 18>; |
| status = "disabled"; |
| }; |
| |
| vref: vref { |
| compatible = "st,stm32-vref"; |
| vrefint-cal-addr = <0x1FF80078>; |
| vrefint-cal-mv = <3000>; |
| io-channels = <&adc1 17>; |
| status = "disabled"; |
| }; |
| |
| smbus1: smbus1 { |
| compatible = "st,stm32-smbus"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| i2c = <&i2c1>; |
| status = "disabled"; |
| }; |
| }; |
| |
| &nvic { |
| arm,num-irq-priority-bits = <2>; |
| }; |
