boards: nucleo_wb55rg: Enable ADC

Enable ADC on nucleo_wb55rg Signed-off-by: Rick Conrey <rick.conrey@witiproducts.com>
zephyrproject-rtos · Jul 31, 2019 · 710ab47 · 710ab47
1 parent 8e62304
commit 710ab47
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diff --git a/boards/arm/nucleo_wb55rg/Kconfig.defconfig b/boards/arm/nucleo_wb55rg/Kconfig.defconfig
@@ -44,6 +44,13 @@ config SPI_1
 
 endif # SPI
 
+if ADC
+
+config ADC_1
+	default y
+
+endif # ADC
+
 if BT_DEBUG_MONITOR
 
 config LPUART_1

diff --git a/boards/arm/nucleo_wb55rg/doc/nucleowb55rg.rst b/boards/arm/nucleo_wb55rg/doc/nucleowb55rg.rst
@@ -166,6 +166,8 @@ The Zephyr nucleo_wb55rg board configuration supports the following hardware fea
 +-----------+------------+-------------------------------------+
 | PWM       | on-chip    | pwm                                 |
 +-----------+------------+-------------------------------------+
+| ADC       | on-chip    | adc                                 |
++-----------+------------+-------------------------------------+
 
 Other hardware features are not yet supported on this Zephyr port.
 
@@ -199,6 +201,7 @@ Default Zephyr Peripheral Mapping:
 - SPI_1_MISO : PA6 (arduino_spi)
 - SPI_1_MOSI : PA7 (arduino_spi)
 - PWM_2 CH 1 : PA0
+- ADC_1_CH3 : PC2
 
 System Clock
 ------------

diff --git a/boards/arm/nucleo_wb55rg/nucleo_wb55rg.dts b/boards/arm/nucleo_wb55rg/nucleo_wb55rg.dts
@@ -93,6 +93,10 @@ arduino_serial: &lpuart1 {
 	status = "okay";
 };
 
+&adc1 {
+	status = "okay";
+};
+
 &flash0 {
 	/*
 	 * For more information, see:

diff --git a/boards/arm/nucleo_wb55rg/nucleo_wb55rg.yaml b/boards/arm/nucleo_wb55rg/nucleo_wb55rg.yaml
@@ -15,3 +15,4 @@ supported:
   - counter
   - spi
   - pwm
+  - adc
diff --git a/boards/arm/nucleo_wb55rg/pinmux.c b/boards/arm/nucleo_wb55rg/pinmux.c
@@ -39,6 +39,9 @@ static const struct pin_config pinconf[] = {
 #ifdef CONFIG_PWM_STM32_2
 	{STM32_PIN_PA0, STM32WBX_PINMUX_FUNC_PA0_TMR2_CH1},
 #endif /* CONFIG_PWM_STM32_2 */
+#ifdef CONFIG_ADC_1
+	{STM32_PIN_PC2, STM32WBX_PINMUX_FUNC_PC2_ADC1_IN3},
+#endif /* CONFIG_ADC_1 */
 };
 
 static int pinmux_stm32_init(struct device *port)