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boards: add adc support to the mimxrt1050 board

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add adc to board dts file,
update yaml files and documentation,
add adc 1 channel pins 1 and 15 to the pinmux file,
add overlay file to the board adc sample,
add board to the adc test file and

Signed-off-by: Andrei Auchynnikau <ovchinnikov@strim-tech.com>
This commit is contained in:
Andrei Auchynnikau 2021-10-08 21:14:44 +03:00 committed by David Leach
parent baf913b9df
commit 822f2c3cb4
7 changed files with 41 additions and 0 deletions
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4
boards/arm/mimxrt1050_evk/doc/index.rst
View file

@ -116,6 +116,8 @@ features:
+-----------+------------+-------------------------------------+
| USB | on-chip | USB device |
+-----------+------------+-------------------------------------+
| ADC | on-chip | adc |
+-----------+------------+-------------------------------------+
The default configuration can be found in the defconfig file:
@ -159,6 +161,8 @@ The MIMXRT1050 SoC has five pairs of pinmux/gpio controllers.
+---------------+-----------------+---------------------------+
| GPIO_AD_B1_07 | LPUART3_RX | UART BT HCI |
+---------------+-----------------+---------------------------+
| GPIO_AD_B1_11 | ADC | ADC1 channel 0 |
+---------------+-----------------+---------------------------+
| WAKEUP | GPIO | SW0 |
+---------------+-----------------+---------------------------+
| GPIO_B0_00 | LCD_CLK | LCD Display |

4
boards/arm/mimxrt1050_evk/mimxrt1050_evk.dts
View file

@ -93,6 +93,10 @@
arduino_serial: &lpuart3 {};
&adc1 {
status = "okay";
};
&flexspi {
status = "okay";
ahb-prefetch;

1
boards/arm/mimxrt1050_evk/mimxrt1050_evk.yaml
View file

@ -27,3 +27,4 @@ supported:
- usb_device
- kscan:touch
- watchdog
- adc

1
boards/arm/mimxrt1050_evk/mimxrt1050_evk_qspi.yaml
View file

@ -26,3 +26,4 @@ supported:
- spi
- usb_device
- watchdog
- adc

9
boards/arm/mimxrt1050_evk/pinmux.c
View file

@ -377,6 +377,15 @@ static int mimxrt1050_evk_init(const struct device *dev)
imxrt_usdhc_pinmux_cb_register(mimxrt1050_evk_usdhc_pinmux);
#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, 0xB0u);
/* ADC1 Input 15 */
IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_10_GPIO1_IO26, 0U);
IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_10_GPIO1_IO26, 0xB0u);
#endif
return 0;
}

12
samples/drivers/adc/boards/mimxrt1050_evk.overlay Normal file
View file

@ -0,0 +1,12 @@
/*
* SPDX-License-Identifier: Apache-2.0
*
* Copyright (c) 2020 Linaro Limited
*/
/ {
zephyr,user {
/* adjust channel number according to pinmux in board.dts */
io-channels = <&adc1 0>;
};
};

10
tests/drivers/adc/adc_api/src/test_adc.c
View file

@ -295,6 +295,16 @@
#define ADC_1ST_CHANNEL_ID 0
#define ADC_2ND_CHANNEL_ID 1
#elif defined(CONFIG_BOARD_MIMXRT1050_EVK) || \
defined(CONFIG_BOARD_MIMXRT1050_EVK_QSPI)
#define ADC_DEVICE_NAME DT_LABEL(DT_INST(0, nxp_mcux_12b1msps_sar))
#define ADC_RESOLUTION 12
#define ADC_GAIN ADC_GAIN_1
#define ADC_REFERENCE ADC_REF_INTERNAL
#define ADC_ACQUISITION_TIME ADC_ACQ_TIME_DEFAULT
#define ADC_1ST_CHANNEL_ID 0
#define ADC_2ND_CHANNEL_ID 1
#elif defined(CONFIG_BOARD_NATIVE_POSIX)
#define ADC_DEVICE_NAME DT_LABEL(DT_INST(0, zephyr_adc_emul))
#define ADC_RESOLUTION 10