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soc: stm32l1: Enable DAC support

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Enable STM32 DAC driver for STM32L1 series.

Signed-off-by: Ilya Tagunov <tagunil@gmail.com>
This commit is contained in:
Ilya Tagunov 2020-05-08 01:45:07 +03:00 • committed by Carles Cufí
commit b899bbf9b9
3 changed files with 17 additions and 0 deletions
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4
drivers/pinmux/stm32/pinmux_stm32l1x.h
View file

@ -41,10 +41,14 @@
(STM32_PINMUX_ALT_FUNC_5 | STM32_PUSHPULL_PULLUP) (STM32_PINMUX_ALT_FUNC_5 | STM32_PUSHPULL_PULLUP)
#define STM32L1X_PINMUX_FUNC_PA4_ADC1_IN4 \ #define STM32L1X_PINMUX_FUNC_PA4_ADC1_IN4 \
STM32_MODER_ANALOG_MODE STM32_MODER_ANALOG_MODE
#define STM32L1X_PINMUX_FUNC_PA4_DAC_OUT1 \
STM32_MODER_ANALOG_MODE
#define STM32L1X_PINMUX_FUNC_PA5_SPI1_SCK \ #define STM32L1X_PINMUX_FUNC_PA5_SPI1_SCK \
(STM32_PINMUX_ALT_FUNC_5 | STM32_PUSHPULL_NOPULL) (STM32_PINMUX_ALT_FUNC_5 | STM32_PUSHPULL_NOPULL)
#define STM32L1X_PINMUX_FUNC_PA5_ADC1_IN5 \ #define STM32L1X_PINMUX_FUNC_PA5_ADC1_IN5 \
STM32_MODER_ANALOG_MODE STM32_MODER_ANALOG_MODE
#define STM32L1X_PINMUX_FUNC_PA5_DAC_OUT2 \
STM32_MODER_ANALOG_MODE
#define STM32L1X_PINMUX_FUNC_PA6_SPI1_MISO \ #define STM32L1X_PINMUX_FUNC_PA6_SPI1_MISO \
(STM32_PINMUX_ALT_FUNC_5 | STM32_PUPDR_PULL_DOWN) (STM32_PINMUX_ALT_FUNC_5 | STM32_PUPDR_PULL_DOWN)
#define STM32L1X_PINMUX_FUNC_PA6_ADC1_IN6 \ #define STM32L1X_PINMUX_FUNC_PA6_ADC1_IN6 \

9
dts/arm/st/l1/stm32l1.dtsi
View file

@ -144,6 +144,15 @@
#io-channel-cells = <1>; #io-channel-cells = <1>;
}; };
dac1: dac@40007400 {
compatible = "st,stm32-dac";
reg = <0x40007400 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x20000000>;
status = "disabled";
label = "DAC_1";
#io-channel-cells = <1>;
};
pinctrl: pin-controller@40020000 { pinctrl: pin-controller@40020000 {
compatible = "st,stm32-pinmux"; compatible = "st,stm32-pinmux";
#address-cells = <1>; #address-cells = <1>;

4
soc/arm/st_stm32/stm32l1/soc.h
View file

@ -55,6 +55,10 @@
#include <stm32l1xx_ll_adc.h> #include <stm32l1xx_ll_adc.h>
#endif #endif
#ifdef CONFIG_DAC_STM32
#include <stm32l1xx_ll_dac.h>
#endif
#if defined(CONFIG_COUNTER_RTC_STM32) #if defined(CONFIG_COUNTER_RTC_STM32)
#include <stm32l1xx_ll_rtc.h> #include <stm32l1xx_ll_rtc.h>
#include <stm32l1xx_ll_exti.h> #include <stm32l1xx_ll_exti.h>