Commit ac429421 authored by Henrik Brix Andersen's avatar Henrik Brix Andersen Committed by Maureen Helm
Browse files

boards: arm: twr_ke18f: add ADC support 



Add support for reading the onboard potentiometer (ADC0 channel
12) and thermistor (ADC0 channels 0 and 1).

Signed-off-by: default avatarHenrik Brix Andersen <hebad@vestas.com>
parent ca38f0a2

boards/arm/twr_ke18f/Kconfig.defconfig

+7 −0
Original line number Diff line number Diff line
@@ -75,4 +75,11 @@ config GPIO_MCUX_PORTE 


endif # GPIO_MCUX



if ADC



config ADC_0

	default y



endif # ADC



endif # BOARD_TWR_KE18F

boards/arm/twr_ke18f/doc/index.rst

+2 −0
Original line number Diff line number Diff line
@@ -76,6 +76,8 @@ features: 
+-----------+------------+-------------------------------------+

| SPI(M)    | on-chip    | spi                                 |

+-----------+------------+-------------------------------------+

| ADC       | on-chip    | adc                                 |

+-----------+------------+-------------------------------------+



The default configuration can be found in the defconfig file:

``boards/arm/twr_ke18f/twr_ke18f_defconfig``.

boards/arm/twr_ke18f/pinmux.c

+8 −0
Original line number Diff line number Diff line
@@ -111,6 +111,14 @@ static int twr_ke18f_pinmux_init(struct device *dev) 
#endif

	pinmux_pin_set(portc, 15, PORT_PCR_MUX(kPORT_MuxAsGpio));



#ifdef CONFIG_ADC_0

	/* Thermistor A, B */

	pinmux_pin_set(porta, 0, PORT_PCR_MUX(kPORT_PinDisabledOrAnalog));

	pinmux_pin_set(porta, 1, PORT_PCR_MUX(kPORT_PinDisabledOrAnalog));

	/* Potentiometer */

	pinmux_pin_set(portc, 14, PORT_PCR_MUX(kPORT_PinDisabledOrAnalog));

#endif



	return 0;

}

boards/arm/twr_ke18f/twr_ke18f.dts

+5 −0
Original line number Diff line number Diff line
@@ -141,6 +141,11 @@ 
	status = "ok";

};



&adc0 {

	status = "ok";

	sample-time = <12>;

};



&flash0 {

	/*

	 * For more information, see:

boards/arm/twr_ke18f/twr_ke18f.yaml

+1 −0
Original line number Diff line number Diff line
@@ -14,3 +14,4 @@ supported: 
  - i2c

  - hwinfo

  - spi

  - adc

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