boards: mixmrt1064_evk: Enable ADC on RT1064 EVK (478d6a45) · Commits · Wenxi XU / zephyr

boards/arm/mimxrt1064_evk/doc/index.rst

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		@@ -114,6 +114,8 @@ features:
		\| UART \| on-chip \| serial port-polling; \|
		\| \| \| serial port-interrupt \|
		+-----------+------------+-------------------------------------+
		\| ADC \| on-chip \| adc \|
		+-----------+------------+-------------------------------------+
		\| ENET \| on-chip \| ethernet \|
		+-----------+------------+-------------------------------------+
		\| USB \| on-chip \| USB device \|
		@@ -263,6 +265,10 @@ The MIMXRT1064 SoC has four pairs of pinmux/gpio controllers.
		+---------------+-----------------+---------------------------+
		\| GPIO_SD_B1_11 \| FLEXSPIA_DATA03 \| QSPI Flash \|
		+---------------+-----------------+---------------------------+
		\| GPIO_AD_B1_11 \| ADC \| ADC1 Channel 0 \|
		+---------------+-----------------+---------------------------+
		\| GPIO_AD_B1_10 \| ADC \| ADC1 Channel 1 \|
		+---------------+-----------------+---------------------------+

		.. note::
		In order to use the SPI peripheral on this board, resistors R278, R279,

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+1 −0

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		@@ -395,6 +395,20 @@ static int mimxrt1064_evk_init(const struct device *dev)
		IOMUXC_SW_PAD_CTL_PAD_PKE_MASK \|
		IOMUXC_SW_PAD_CTL_PAD_SPEED(2) \|
		IOMUXC_SW_PAD_CTL_PAD_DSE(6));

		#endif

		#if DT_NODE_HAS_STATUS(DT_NODELABEL(adc1), okay) && CONFIG_ADC
		/* ADC1 Input 0 */
		IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_11_GPIO1_IO27, 0U);
		IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_11_GPIO1_IO27,
		IOMUXC_SW_PAD_CTL_PAD_SPEED(2) \|
		IOMUXC_SW_PAD_CTL_PAD_DSE(6));
		/* ADC1 Input 15 */
		IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_10_GPIO1_IO26, 0U);
		IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_10_GPIO1_IO26,
		IOMUXC_SW_PAD_CTL_PAD_SPEED(2) \|
		IOMUXC_SW_PAD_CTL_PAD_DSE(6));
		#endif

		return 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 0>;
		};
		};