Commit 4e6ac932 authored by Daniel DeGrasse's avatar Daniel DeGrasse Committed by Carles Cufi
Browse files

boards: mimxrt1010_evk: Added ADC support to RT1010 



Added ADC support to RT1010 evaluation board. ADC channels 1 and 2 are
exposed as pins 10 and 12 of J26.

Signed-off-by: default avatarDaniel DeGrasse <daniel.degrasse@nxp.com>
parent b0d613d9

boards/arm/mimxrt1010_evk/doc/index.rst

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

| USB       | on-chip    | USB device                          |

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

| ADC       | on-chip    | adc                                 |

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



The default configuration can be found in the defconfig file:

``boards/arm/mimxrt1010_evk/mimxrt1010_evk_defconfig``
@@ -110,6 +112,10 @@ The MIMXRT1010 SoC has five pairs of pinmux/gpio controllers. 
+---------------+-----------------+---------------------------+

| GPIO_AD_06    | LPSPI1_SCK      | SPI                       |

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

| GPIO_AD_01    | ADC             | ADC1 Channel 1            |

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

| GPIO_AD_02    | ADC             | ADC1 Channel 2            |

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



System Clock

============

boards/arm/mimxrt1010_evk/mimxrt1010_evk.dts

+4 −0
Original line number Diff line number Diff line
@@ -72,3 +72,7 @@ arduino_serial: &lpuart1 {}; 
zephyr_udc0: &usb1 {

	status = "okay";

};



&adc1 {

	status = "okay";

};

boards/arm/mimxrt1010_evk/mimxrt1010_evk.yaml

+1 −0
Original line number Diff line number Diff line
@@ -20,3 +20,4 @@ supported: 
  - counter

  - usb_device

  - spi

  - adc

boards/arm/mimxrt1010_evk/pinmux.c

+13 −0
Original line number Diff line number Diff line
@@ -101,6 +101,19 @@ static int mimxrt1010_evk_init(const struct device *dev) 
			IOMUXC_SW_PAD_CTL_PAD_DSE(4));

#endif



#if DT_NODE_HAS_STATUS(DT_NODELABEL(adc1), okay) && CONFIG_ADC

	/* ADC Channels 1 and 2, exposed as pins 10 and 12 on J26 of EVK */

	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_01_GPIOMUX_IO15, 0U);

	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_02_GPIOMUX_IO16, 0U);



	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_01_GPIOMUX_IO15,

				IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |

				IOMUXC_SW_PAD_CTL_PAD_DSE(4));

	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_02_GPIOMUX_IO16,

				IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |

				IOMUXC_SW_PAD_CTL_PAD_DSE(4));

#endif



	return 0;

}

samples/drivers/adc/boards/mimxrt1010_evk.overlay

0 → 100644
+12 −0
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/*

 * SPDX-License-Identifier: Apache-2.0

 *

 * Copyright (c) 2021 NXP

 */



/ {

	zephyr,user {

		/* adjust channel number according to pinmux in board.dts */

		io-channels = <&adc1 1>;

	};

};

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