| /* | 
 |  * Copyright (c) 2017 Linaro Limited | 
 |  * Copyright (c) 2019 Centaur Analytics, Inc | 
 |  * | 
 |  * SPDX-License-Identifier: Apache-2.0 | 
 |  */ | 
 |  | 
 | #include <arm/armv7-m.dtsi> | 
 | #include <zephyr/dt-bindings/clock/stm32f1_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/pwm/stm32_pwm.h> | 
 | #include <zephyr/dt-bindings/dma/stm32_dma.h> | 
 | #include <zephyr/dt-bindings/adc/stm32f1_adc.h> | 
 | #include <zephyr/dt-bindings/reset/stm32f0_1_3_reset.h> | 
 | #include <zephyr/dt-bindings/adc/adc.h> | 
 | #include <zephyr/dt-bindings/power/stm32_pwr.h> | 
 | #include <zephyr/dt-bindings/sensor/qdec_stm32.h> | 
 | #include <freq.h> | 
 |  | 
 | / { | 
 | 	chosen { | 
 | 		zephyr,flash-controller = &flash; | 
 | 		zephyr,cortex-m-idle-timer = &rtc; | 
 | 	}; | 
 |  | 
 | 	cpus { | 
 | 		#address-cells = <1>; | 
 | 		#size-cells = <0>; | 
 |  | 
 | 		cpu0: cpu@0 { | 
 | 			device_type = "cpu"; | 
 | 			compatible = "arm,cortex-m3"; | 
 | 			cpu-power-states = <&stop0 &stop1>; | 
 | 			reg = <0>; | 
 | 		}; | 
 |  | 
 | 		power-states { | 
 | 			stop0: stop0 { | 
 | 				compatible = "zephyr,power-state"; | 
 | 				power-state-name = "suspend-to-idle"; | 
 | 				substate-id = <0>; | 
 | 				min-residency-us = <1000000>; | 
 | 				exit-latency-us = <400>; | 
 | 			}; | 
 |  | 
 | 			stop1: stop1 { | 
 | 				compatible = "zephyr,power-state"; | 
 | 				power-state-name = "suspend-to-idle"; | 
 | 				substate-id = <1>; | 
 | 				min-residency-us = <1000000>; | 
 | 				exit-latency-us = <600>; | 
 | 			}; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	sram0: memory@20000000 { | 
 | 		compatible = "zephyr,memory-region", "mmio-sram"; | 
 | 		zephyr,memory-region = "SRAM0"; | 
 | 	}; | 
 |  | 
 | 	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(8)>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		clk_lse: clk-lse { | 
 | 			#clock-cells = <0>; | 
 | 			compatible = "fixed-clock"; | 
 | 			clock-frequency = <32768>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		clk_lsi: clk-lsi { | 
 | 			#clock-cells = <0>; | 
 | 			compatible = "fixed-clock"; | 
 | 			clock-frequency = <DT_FREQ_K(40)>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		pll: pll { | 
 | 			#clock-cells = <0>; | 
 | 			compatible = "st,stm32f1-pll-clock"; | 
 | 			status = "disabled"; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	mcos { | 
 | 		mco1: mco1 { | 
 | 			compatible = "st,stm32f1-clock-mco"; | 
 | 			status = "disabled"; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	soc { | 
 | 		flash: flash-controller@40022000 { | 
 | 			compatible = "st,stm32-flash-controller", "st,stm32f1-flash-controller"; | 
 | 			reg = <0x40022000 0x400>; | 
 | 			interrupts = <3 0>; | 
 | 			clocks = <&rcc STM32_CLOCK(AHB1, 4)>; | 
 |  | 
 | 			#address-cells = <1>; | 
 | 			#size-cells = <1>; | 
 |  | 
 | 			flash0: flash@8000000 { | 
 | 				compatible = "st,stm32-nv-flash", "soc-nv-flash"; | 
 |  | 
 | 				write-block-size = <2>; | 
 | 				/* maximum erase time for a 2K sector */ | 
 | 				max-erase-time = <40>; | 
 | 			}; | 
 | 		}; | 
 |  | 
 | 		rcc: rcc@40021000 { | 
 | 			compatible = "st,stm32f1-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 = <32>; | 
 | 			interrupts = <6 0>, <7 0>, <8 0>, <9 0>, | 
 | 				     <10 0>, <23 0>, <40 0>; | 
 | 			interrupt-names = "line0", "line1", "line2", "line3", | 
 | 					  "line4", "line5-9", "line10-15"; | 
 | 			line-ranges = <0 1>, <1 1>, <2 1>, <3 1>, | 
 | 				      <4 1>, <5 5>, <10 6>; | 
 | 		}; | 
 |  | 
 | 		pinctrl: pin-controller@40010800 { | 
 | 			compatible = "st,stm32f1-pinctrl"; | 
 | 			#address-cells = <1>; | 
 | 			#size-cells = <1>; | 
 | 			reg = <0x40010800 0x1C00>; | 
 |  | 
 | 			gpioa: gpio@40010800 { | 
 | 				compatible = "st,stm32-gpio"; | 
 | 				gpio-controller; | 
 | 				#gpio-cells = <2>; | 
 | 				reg = <0x40010800 0x400>; | 
 | 				clocks = <&rcc STM32_CLOCK(APB2, 2)>; | 
 | 			}; | 
 |  | 
 | 			gpiob: gpio@40010c00 { | 
 | 				compatible = "st,stm32-gpio"; | 
 | 				gpio-controller; | 
 | 				#gpio-cells = <2>; | 
 | 				reg = <0x40010c00 0x400>; | 
 | 				clocks = <&rcc STM32_CLOCK(APB2, 3)>; | 
 | 			}; | 
 |  | 
 | 			gpioc: gpio@40011000 { | 
 | 				compatible = "st,stm32-gpio"; | 
 | 				gpio-controller; | 
 | 				#gpio-cells = <2>; | 
 | 				reg = <0x40011000 0x400>; | 
 | 				clocks = <&rcc STM32_CLOCK(APB2, 4)>; | 
 | 			}; | 
 |  | 
 | 			gpiod: gpio@40011400 { | 
 | 				compatible = "st,stm32-gpio"; | 
 | 				gpio-controller; | 
 | 				#gpio-cells = <2>; | 
 | 				reg = <0x40011400 0x400>; | 
 | 				clocks = <&rcc STM32_CLOCK(APB2, 5)>; | 
 | 			}; | 
 |  | 
 | 			gpioe: gpio@40011800 { | 
 | 				compatible = "st,stm32-gpio"; | 
 | 				gpio-controller; | 
 | 				#gpio-cells = <2>; | 
 | 				reg = <0x40011800 0x400>; | 
 | 				clocks = <&rcc STM32_CLOCK(APB2, 6)>; | 
 | 			}; | 
 | 		}; | 
 |  | 
 | 		usart1: serial@40013800 { | 
 | 			compatible = "st,stm32-usart", "st,stm32-uart"; | 
 | 			reg = <0x40013800 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB2, 14)>; | 
 | 			resets = <&rctl STM32_RESET(APB2, 14U)>; | 
 | 			interrupts = <37 0>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		usart2: serial@40004400 { | 
 | 			compatible = "st,stm32-usart", "st,stm32-uart"; | 
 | 			reg = <0x40004400 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 17)>; | 
 | 			resets = <&rctl STM32_RESET(APB1, 17U)>; | 
 | 			interrupts = <38 0>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		usart3: serial@40004800 { | 
 | 			compatible = "st,stm32-usart", "st,stm32-uart"; | 
 | 			reg = <0x40004800 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 18)>; | 
 | 			resets = <&rctl STM32_RESET(APB1, 18U)>; | 
 | 			interrupts = <39 0>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		i2c1: i2c@40005400 { | 
 | 			compatible = "st,stm32-i2c-v1"; | 
 | 			clock-frequency = <I2C_BITRATE_STANDARD>; | 
 | 			#address-cells = <1>; | 
 | 			#size-cells = <0>; | 
 | 			reg = <0x40005400 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 21)>; | 
 | 			interrupts = <31 0>, <32 0>; | 
 | 			interrupt-names = "event", "error"; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		i2c2: i2c@40005800 { | 
 | 			compatible = "st,stm32-i2c-v1"; | 
 | 			clock-frequency = <I2C_BITRATE_STANDARD>; | 
 | 			#address-cells = <1>; | 
 | 			#size-cells = <0>; | 
 | 			reg = <0x40005800 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 22)>; | 
 | 			interrupts = <33 0>, <34 0>; | 
 | 			interrupt-names = "event", "error"; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		spi1: spi@40013000 { | 
 | 			compatible = "st,stm32-spi"; | 
 | 			#address-cells = <1>; | 
 | 			#size-cells = <0>; | 
 | 			reg = <0x40013000 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB2, 12)>; | 
 | 			interrupts = <35 5>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		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(APB1, 11)>; | 
 | 			interrupts = <0 7>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		timers1: timers@40012c00 { | 
 | 			compatible = "st,stm32-timers"; | 
 | 			reg = <0x40012c00 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB2, 11)>, | 
 | 				 <&rcc STM32_SRC_TIMPCLK2 NO_SEL>; | 
 | 			resets = <&rctl STM32_RESET(APB2, 11U)>; | 
 | 			interrupts = <24 0>, <25 0>, <26 0>, <27 0>; | 
 | 			interrupt-names = "brk", "up", "trgcom", "cc"; | 
 | 			st,prescaler = <0>; | 
 | 			status = "disabled"; | 
 |  | 
 | 			pwm { | 
 | 				compatible = "st,stm32-pwm"; | 
 | 				status = "disabled"; | 
 | 				#pwm-cells = <3>; | 
 | 			}; | 
 |  | 
 | 			qdec { | 
 | 				compatible = "st,stm32-qdec"; | 
 | 				st,input-filter-level = <NO_FILTER>; | 
 | 				status = "disabled"; | 
 | 			}; | 
 | 		}; | 
 |  | 
 | 		timers2: timers@40000000 { | 
 | 			compatible = "st,stm32-timers"; | 
 | 			reg = <0x40000000 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 0)>, | 
 | 				 <&rcc STM32_SRC_TIMPCLK1 NO_SEL>; | 
 | 			resets = <&rctl STM32_RESET(APB1, 0U)>; | 
 | 			interrupts = <28 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"; | 
 | 			}; | 
 |  | 
 | 			qdec { | 
 | 				compatible = "st,stm32-qdec"; | 
 | 				st,input-filter-level = <NO_FILTER>; | 
 | 				status = "disabled"; | 
 | 			}; | 
 | 		}; | 
 |  | 
 | 		timers3: timers@40000400 { | 
 | 			compatible = "st,stm32-timers"; | 
 | 			reg = <0x40000400 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 1)>, | 
 | 				 <&rcc STM32_SRC_TIMPCLK1 NO_SEL>; | 
 | 			resets = <&rctl STM32_RESET(APB1, 1U)>; | 
 | 			interrupts = <29 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"; | 
 | 			}; | 
 |  | 
 | 			qdec { | 
 | 				compatible = "st,stm32-qdec"; | 
 | 				st,input-filter-level = <NO_FILTER>; | 
 | 				status = "disabled"; | 
 | 			}; | 
 | 		}; | 
 |  | 
 | 		timers4: timers@40000800 { | 
 | 			compatible = "st,stm32-timers"; | 
 | 			reg = <0x40000800 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 2)>, | 
 | 				 <&rcc STM32_SRC_TIMPCLK1 NO_SEL>; | 
 | 			resets = <&rctl STM32_RESET(APB1, 2U)>; | 
 | 			interrupts = <30 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"; | 
 | 			}; | 
 |  | 
 | 			qdec { | 
 | 				compatible = "st,stm32-qdec"; | 
 | 				st,input-filter-level = <NO_FILTER>; | 
 | 				status = "disabled"; | 
 | 			}; | 
 | 		}; | 
 |  | 
 | 		rtc: rtc@40002800 { | 
 | 			compatible = "st,stm32-rtc"; | 
 | 			reg = <0x40002800 0x400>; | 
 | 			interrupts = <41 0>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB1, 28)>; | 
 | 			prescaler = <32768>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		adc1: adc@40012400 { | 
 | 			compatible = "st,stm32f1-adc", "st,stm32-adc"; | 
 | 			reg = <0x40012400 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(APB2, 9)>; | 
 | 			interrupts = <18 0>; | 
 | 			#io-channel-cells = <1>; | 
 | 			resolutions = <STM32F1_ADC_RES(12)>; | 
 | 			sampling-times = <2 8 14 29 42 56 72 240>; | 
 | 			st,adc-sequencer = "FULLY_CONFIGURABLE"; | 
 | 			st,adc-oversampler = "OVERSAMPLER_NONE"; | 
 | 			st,adc-internal-regulator = "none"; | 
 | 			status = "disabled"; | 
 | 		}; | 
 |  | 
 | 		dma1: dma@40020000 { | 
 | 			compatible = "st,stm32-dma-v2bis"; | 
 | 			#dma-cells = <2>; | 
 | 			reg = <0x40020000 0x400>; | 
 | 			clocks = <&rcc STM32_CLOCK(AHB1, 0)>; | 
 | 			interrupts = <11 0 12 0 13 0 14 0 15 0 16 0 17 0>; | 
 | 			status = "disabled"; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	pwr: power@40007000 { | 
 | 		compatible = "st,stm32-pwr"; | 
 | 		reg = <0x40007000 0x400>; /* PWR register bank */ | 
 | 		status = "disabled"; | 
 |  | 
 | 		wkup-pins-nb = <1>; | 
 |  | 
 | 		#address-cells = <1>; | 
 | 		#size-cells = <0>; | 
 |  | 
 | 		wkup-pin@1 { | 
 | 			reg = <0x1>; | 
 | 			wkup-gpios = <&gpioa 0 STM32_PWR_WKUP_PIN_NOT_MUXED>; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	die_temp: dietemp { | 
 | 		compatible = "st,stm32-temp"; | 
 | 		io-channels = <&adc1 16>; | 
 | 		status = "disabled"; | 
 | 		avgslope = "4.3"; | 
 | 		v25 = <1430>; | 
 | 		ntc; | 
 | 	}; | 
 |  | 
 | 	smbus1: smbus1 { | 
 | 		compatible = "st,stm32-smbus"; | 
 | 		#address-cells = <1>; | 
 | 		#size-cells = <0>; | 
 | 		i2c = <&i2c1>; | 
 | 		status = "disabled"; | 
 | 	}; | 
 |  | 
 | 	smbus2: smbus2 { | 
 | 		compatible = "st,stm32-smbus"; | 
 | 		#address-cells = <1>; | 
 | 		#size-cells = <0>; | 
 | 		i2c = <&i2c2>; | 
 | 		status = "disabled"; | 
 | 	}; | 
 | }; | 
 |  | 
 | &nvic { | 
 | 	arm,num-irq-priority-bits = <4>; | 
 | }; |