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Draft: drivers: adc: Add Gecko ADC driver #164

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Draft: drivers: adc: Add Gecko ADC driver #164

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6 changes: 0 additions & 6 deletions boards/arm/tmo_dev_edge/board.h
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Original file line number Diff line number Diff line change
Expand Up @@ -44,10 +44,4 @@
#define LED_PWM_GREEN 2
#define LED_PWM_BLUE 3

#define HWID_APORT adcPosSelAPORT4XCH23
#define VBAT_APORT adcPosSelAPORT3XCH10

#define VBAT_EN_PORT gpioPortK
#define VBAT_EN_PIN 0

#endif /* __INC_BOARD_H */
8 changes: 8 additions & 0 deletions boards/arm/tmo_dev_edge/tmo_dev_edge-pinctrl.dtsi
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Expand Up @@ -62,4 +62,12 @@
<GECKO_LOC(LEUART_TX, 6)>;
};
};

adc_default: adc_default {
group1 {
psels = <GECKO_ADC_VBATT>,
<GECKO_ADC_HWID>;
//input-enabled;
};
};
};
17 changes: 16 additions & 1 deletion boards/arm/tmo_dev_edge/tmo_dev_edge.dts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
/*
/*
* Copyright (c) 2017 Christian Taedcke
* Copyright (c) 2019 Lemonbeat GmbH
* Copyright (c) 2023 T-Mobile USA, Inc.
Expand Down Expand Up @@ -102,6 +102,21 @@
regulator-name = "bq24250rge";
regulator-boot-on;
};

adc:adc@40002000 {
compatible = "silabs,gecko-adc";
status = "disabled";
reg = <0x40002000 0x400>;
frequency= <16000000>;
#io-channel-cells = <1>;
vref-mv = <2500>;
};
};

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

&cpu0 {
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2 changes: 2 additions & 0 deletions boards/arm/tmo_dev_edge/tmo_dev_edge.yaml
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Expand Up @@ -15,6 +15,8 @@ supported:
- nvs
- watchdog
- counter
- adc

testing:
default: true
ignore_tags:
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1 change: 1 addition & 0 deletions boards/arm/tmo_dev_edge/tmo_dev_edge_defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ CONFIG_GPIO=y
CONFIG_CMU_HFCLK_HFXO=y
CONFIG_COUNTER=y
CONFIG_NOTIFY=y
CONFIG_ADC=y
CONFIG_PERSISTENT_GECKO_RTCC=y
CONFIG_PINCTRL=y
CONFIG_POSIX_CLOCK=y
1 change: 1 addition & 0 deletions drivers/adc/CMakeLists.txt
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Expand Up @@ -32,3 +32,4 @@ zephyr_library_sources_ifdef(CONFIG_ADC_ADS7052 adc_ads7052.c)
zephyr_library_sources_ifdef(CONFIG_ADC_RPI_PICO adc_rpi_pico.c)
zephyr_library_sources_ifdef(CONFIG_ADC_XMC4XXX adc_xmc4xxx.c)
zephyr_library_sources_ifdef(CONFIG_ADC_ESP32 adc_esp32.c)
zephyr_library_sources_ifdef(CONFIG_ADC_GECKO adc_gecko.c)
1 change: 1 addition & 0 deletions drivers/adc/Kconfig
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Expand Up @@ -92,4 +92,5 @@ source "drivers/adc/Kconfig.rpi_pico"

source "drivers/adc/Kconfig.xmc4xxx"

source "drivers/adc/Kconfig.gecko"
endif # ADC
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