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boards: mixmrt1064_evk: Enable ADC on RT1064 EVK

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Enables ADC inputs 0 and 15 on the RT1064

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2021-10-11 12:07:35 -05:00 • committed by Carles Cufí
commit 478d6a45ee
6 changed files with 39 additions and 1 deletions
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6
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,

4
boards/arm/mimxrt1064_evk/mimxrt1064_evk.dts
View file

@ -255,3 +255,7 @@ zephyr_udc0: &usb1 {
&lpspi3 {
status = "okay";
};
&adc1 {
status = "okay";
};

1
boards/arm/mimxrt1064_evk/mimxrt1064_evk.yaml
View file

@ -32,3 +32,4 @@ supported:
- kscan:touch
- can
- watchdog
- adc

14
boards/arm/mimxrt1064_evk/pinmux.c
View file

@ -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;

12
samples/drivers/adc/boards/mimxrt1064_evk.overlay Normal file
View file

@ -0,0 +1,12 @@
/*
* 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>;
};
};

3
tests/drivers/adc/adc_api/src/test_adc.c
View file

@ -296,7 +296,8 @@
#define ADC_2ND_CHANNEL_ID 1
#elif defined(CONFIG_BOARD_MIMXRT1050_EVK) || \
defined(CONFIG_BOARD_MIMXRT1050_EVK_QSPI)
defined(CONFIG_BOARD_MIMXRT1050_EVK_QSPI) || \
defined(CONFIG_BOARD_MIMXRT1064_EVK)
#define ADC_DEVICE_NAME DT_LABEL(DT_INST(0, nxp_mcux_12b1msps_sar))
#define ADC_RESOLUTION 12
#define ADC_GAIN ADC_GAIN_1