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drivers: adc: Add support for RaspberryPi Pico ADC #45363

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Merged
merged 8 commits into from
Sep 6, 2022
Merged

drivers: adc: Add support for RaspberryPi Pico ADC #45363

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d833a08
manifests: Rename Pico-SDK's adc_read() to pico_adc_read()
soburi May 18, 2022
4ba664c
modules: hal_rpi_pico: Enable ADC driver
soburi May 18, 2022
b80b3ff
dts: bindings: adc: Add RaspberryPi Pico ADC
soburi May 4, 2022
09c8b2f
drivers: adc: Add support for RaspberryPi Pico ADC
soburi May 4, 2022
7e7ec7d
boards: arm: rpi_pico: Enabling ADC
soburi May 4, 2022
7967a09
tests: drivers: adc: Add support for rpi_pico
soburi May 5, 2022
1db7fad
samples: drivers: adc: Add rpi_pico support
soburi May 5, 2022
38c2ba4
drivers: adc: shell: Support RaspberryPi Pico ADC
soburi Jun 2, 2022
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3 changes: 3 additions & 0 deletions boards/arm/rpi_pico/doc/index.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,9 @@ hardware features:
* - GPIO
- :kconfig:option:`CONFIG_GPIO`
- :dtcompatible:`rpi,pico-gpio`
* - ADC
- :kconfig:option:`CONFIG_ADC`
- :dtcompatible:`raspberrypi,pico-adc`
* - I2C
- :kconfig:option:`CONFIG_I2C`
- :dtcompatible:`snps,designware-i2c`
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7 changes: 7 additions & 0 deletions boards/arm/rpi_pico/rpi_pico-pinctrl.dtsi
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Expand Up @@ -47,4 +47,11 @@
pinmux = <PWM_4B_P25>;
};
};

adc_default: adc_default {
group1 {
pinmux = <ADC_CH0_P26>, <ADC_CH1_P27>, <ADC_CH2_P28>, <ADC_CH3_P29>;
input-enable;
};
};
};
6 changes: 6 additions & 0 deletions boards/arm/rpi_pico/rpi_pico.dts
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Expand Up @@ -116,6 +116,12 @@
status = "okay";
};

&adc {
status = "okay";
pinctrl-0 = <&adc_default>;
pinctrl-names = "default";
};

zephyr_udc0: &usbd {
status = "okay";
};
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1 change: 1 addition & 0 deletions boards/arm/rpi_pico/rpi_pico.yaml
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Expand Up @@ -11,6 +11,7 @@ toolchain:
supported:
- uart
- gpio
- adc
- i2c
- spi
- hwinfo
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1 change: 1 addition & 0 deletions drivers/adc/CMakeLists.txt
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Expand Up @@ -27,3 +27,4 @@ zephyr_library_sources_ifdef(CONFIG_ADC_TEST adc_test.c)
zephyr_library_sources_ifdef(CONFIG_ADC_ADS1X1X adc_ads1x1x.c)
zephyr_library_sources_ifdef(CONFIG_ADC_GD32 adc_gd32.c)
zephyr_library_sources_ifdef(CONFIG_ADC_ADS1119 adc_ads1119.c)
zephyr_library_sources_ifdef(CONFIG_ADC_RPI_PICO adc_rpi_pico.c)
3 changes: 3 additions & 0 deletions drivers/adc/Kconfig
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Expand Up @@ -77,4 +77,7 @@ source "drivers/adc/Kconfig.ads1x1x"
source "drivers/adc/Kconfig.gd32"

source "drivers/adc/Kconfig.ads1119"

source "drivers/adc/Kconfig.rpi_pico"

endif # ADC
9 changes: 9 additions & 0 deletions drivers/adc/Kconfig.rpi_pico
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@@ -0,0 +1,9 @@
# Copyright (c) 2022 TOKITA Hiroshi <[email protected]>
# SPDX-License-Identifier: Apache-2.0

config ADC_RPI_PICO
bool "Raspberry Pi Pico ADC driver"
default y
depends on DT_HAS_RASPBERRYPI_PICO_ADC_ENABLED
select PICOSDK_USE_ADC
depends on RESET
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