iio: adc: ad7476: Add support for TI ADS786X ADCs (77c5a7f5) · Commits · 戴 / test

drivers/iio/adc/Kconfig

+7 −4

Original line number	Diff line number	Diff line
		@@ -57,14 +57,17 @@ config AD7298
		module will be called ad7298.

		config AD7476
		tristate "Analog Devices AD7476 and similar 1-channel ADCs driver"
		tristate "Analog Devices AD7476 1-channel ADCs driver and other similar devices from AD an TI"
		depends on SPI
		select IIO_BUFFER
		select IIO_TRIGGERED_BUFFER
		help
		Say yes here to build support for Analog Devices AD7273, AD7274, AD7276,
		AD7277, AD7278, AD7475, AD7476, AD7477, AD7478, AD7466, AD7467, AD7468,
		AD7495, AD7910, AD7920, AD7920 SPI analog to digital converters (ADC).
		Say yes here to build support for the following SPI analog to
		digital converters (ADCs):
		Analog Devices: AD7273, AD7274, AD7276, AD7277, AD7278, AD7475,
		AD7476, AD7477, AD7478, AD7466, AD7467, AD7468, AD7495, AD7910,
		AD7920.
		Texas Instruments: ADS7866, ADS7867, ADS7868.

		To compile this driver as a module, choose M here: the
		module will be called ad7476.

+20 −0

Original line number	Diff line number	Diff line
		@@ -59,6 +59,9 @@ enum ad7476_supported_device_ids {
		ID_ADC081S,
		ID_ADC101S,
		ID_ADC121S,
		ID_ADS7866,
		ID_ADS7867,
		ID_ADS7868,
		};

		static irqreturn_t ad7476_trigger_handler(int irq, void *p)
		@@ -157,6 +160,8 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
		#define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits), \
		BIT(IIO_CHAN_INFO_RAW))
		#define AD7091R_CHAN(bits) _AD7476_CHAN((bits), 16 - (bits), 0)
		#define ADS786X_CHAN(bits) _AD7476_CHAN((bits), 12 - (bits), \
		BIT(IIO_CHAN_INFO_RAW))

		static const struct ad7476_chip_info ad7476_chip_info_tbl[] = {
		[ID_AD7091R] = {
		@@ -209,6 +214,18 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = {
		.channel[0] = ADC081S_CHAN(12),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		[ID_ADS7866] = {
		.channel[0] = ADS786X_CHAN(12),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		[ID_ADS7867] = {
		.channel[0] = ADS786X_CHAN(10),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		[ID_ADS7868] = {
		.channel[0] = ADS786X_CHAN(8),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		};

		static const struct iio_info ad7476_info = {
		@@ -314,6 +331,9 @@ static const struct spi_device_id ad7476_id[] = {
		{"adc081s", ID_ADC081S},
		{"adc101s", ID_ADC101S},
		{"adc121s", ID_ADC121S},
		{"ads7866", ID_ADS7866},
		{"ads7867", ID_ADS7867},
		{"ads7868", ID_ADS7868},
		{}
		};
		MODULE_DEVICE_TABLE(spi, ad7476_id);