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Commit 7f588a72 authored by Jonathan Bakker's avatar Jonathan Bakker Committed by Greg Kroah-Hartman
Browse files

iio: adc: exynos-adc: Add S5PV210 variant 



[ Upstream commit 882bf52fdeab47dbe991cc0e564b0b51c571d0a3 ]

S5PV210's ADC variant is almost the same as v1 except that it has 10
channels and doesn't require the pmu register

Signed-off-by: default avatarJonathan Bakker <xc-racer2@live.ca>
Signed-off-by: default avatarPaweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent cd490d44

drivers/iio/adc/exynos_adc.c

+14 −0
Original line number Diff line number Diff line
@@ -115,6 +115,7 @@ 
#define MAX_ADC_V2_CHANNELS		10

#define MAX_ADC_V1_CHANNELS		8

#define MAX_EXYNOS3250_ADC_CHANNELS	2

#define MAX_S5PV210_ADC_CHANNELS	10



/* Bit definitions common for ADC_V1 and ADC_V2 */

#define ADC_CON_EN_START	(1u << 0)
@@ -282,6 +283,16 @@ static const struct exynos_adc_data exynos_adc_v1_data = { 
	.start_conv	= exynos_adc_v1_start_conv,

};



static const struct exynos_adc_data exynos_adc_s5pv210_data = {

	.num_channels	= MAX_S5PV210_ADC_CHANNELS,

	.mask		= ADC_DATX_MASK,	/* 12 bit ADC resolution */



	.init_hw	= exynos_adc_v1_init_hw,

	.exit_hw	= exynos_adc_v1_exit_hw,

	.clear_irq	= exynos_adc_v1_clear_irq,

	.start_conv	= exynos_adc_v1_start_conv,

};



static void exynos_adc_s3c2416_start_conv(struct exynos_adc *info,

					  unsigned long addr)

{
@@ -478,6 +489,9 @@ static const struct of_device_id exynos_adc_match[] = { 
	}, {

		.compatible = "samsung,s3c6410-adc",

		.data = &exynos_adc_s3c64xx_data,

	}, {

		.compatible = "samsung,s5pv210-adc",

		.data = &exynos_adc_s5pv210_data,

	}, {

		.compatible = "samsung,exynos-adc-v1",

		.data = &exynos_adc_v1_data,