linux-kernel - [PATCH 4.19 088/190] iio: adc: exynos-adc: Add S5PV210 variant

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Message-Id: <20190913130606.615365344@linuxfoundation.org>
Date:   Fri, 13 Sep 2019 14:05:43 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jonathan Bakker <xc-racer2@...e.ca>,
        Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 088/190] 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: Jonathan Bakker <xc-racer2@...e.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/iio/adc/exynos_adc.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index 4be29ed447559..41da522fc6735 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -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,
-- 
2.20.1