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boards: arm: stm32 disco kit target board has DAC instance

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This commit enables the DAC 1 instance on the target board
b_u585i_iot02a from STMicroelectronics.
DAC1 output 1 is available on PA4.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2021-10-22 15:09:10 +02:00 • committed by Anas Nashif
commit 73f4dfb90a
3 changed files with 10 additions and 1 deletions
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5
boards/arm/b_u585i_iot02a/b_u585i_iot02a.dts
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@ -62,3 +62,8 @@
label = "HTS221";
};
};
&dac1 {
pinctrl-0 = <&dac1_out1_pa4>;
status = "okay";
};

1
boards/arm/b_u585i_iot02a/b_u585i_iot02a.yaml
View file

@ -13,3 +13,4 @@ supported:
- arduino_spi
- hts221
- spi
- dac

5
boards/arm/b_u585i_iot02a/doc/index.rst
View file

@ -119,7 +119,7 @@ They operate at a frequency of up to 160 MHz.
- 14-bit ADC 2.5-Msps, resolution up to 16 bits with hardware oversampling
- 12-bit ADC 2.5-Msps, with hardware oversampling, autonomous in Stop 2 mode
- 2 12-bit DAC, low-power sample and hold
- 12-bit DAC, low-power sample and hold
- 2 operational amplifiers with built-in PGA
- 2 ultra-low-power comparators
@ -179,6 +179,8 @@ The Zephyr b_u585i_iot02a board configuration supports the following hardware fe
+-----------+------------+-------------------------------------+
| SPI | on-chip | spi |
+-----------+------------+-------------------------------------+
| DAC | on-chip | dac |
+-----------+------------+-------------------------------------+
The default configuration can be found in the defconfig file:
@ -203,6 +205,7 @@ Default Zephyr Peripheral Mapping:
- SPI1 NSS/SCK/MISO/MOSI : PE12/P13/P14/P15 (Arduino SPI)
- I2C_1 SDA/SDL : PB9/PB8 (Arduino I2C)
- I2C_2 SDA/SDL : PH5/PH4
- DAC1 CH1 : PA4 (STMOD+1)
System Clock
------------