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From: Varshini Rajendran <varshini.rajendran@microchip.com>
To: <ehristev@kernel.org>, <jic23@kernel.org>,
	<dlechner@baylibre.com>, <nuno.sa@analog.com>, <andy@kernel.org>,
	<robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>,
	<nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
	<claudiu.beznea@tuxon.dev>, <srini@kernel.org>,
	<linux-iio@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Cc: <varshini.rajendran@microchip.com>
Subject: [PATCH v2 03/12] iio: adc: at91-sama5d2_adc: adapt the driver for sama7d65
Date: Tue, 23 Jun 2026 16:29:35 +0530	[thread overview]
Message-ID: <20260623105944.128840-4-varshini.rajendran@microchip.com> (raw)
In-Reply-To: <20260623105944.128840-1-varshini.rajendran@microchip.com>

Add support for sama7d65 ADC. The differences are highlighted with the
compatible. The calibration data layout is the main difference.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
---
 drivers/iio/adc/at91-sama5d2_adc.c | 31 ++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index b569d175f4c3..237d339f342a 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -530,6 +530,16 @@ static const struct at91_adc_temp_calib_layout sama7g5_temp_calib = {
 	.p1_div = 1,
 };
 
+static const struct at91_adc_temp_calib_layout sama7d65_temp_calib = {
+	.tag_idx = 1,
+	.p1_idx = 3,
+	.p4_idx = 2,
+	.p6_idx = 5,
+	.min_len = 11,
+	.p1_mul = 1,
+	.p1_div = 1000,
+};
+
 /* Temperature sensor calibration - Vtemp voltage sensitivity to temperature. */
 #define AT91_ADC_TS_VTEMP_DT		(2080U)
 
@@ -768,6 +778,24 @@ static const struct at91_adc_platform sama7g5_platform = {
 	.temp_calib_layout = &sama7g5_temp_calib,
 };
 
+static const struct at91_adc_platform sama7d65_platform = {
+	.layout = &sama7g5_layout,
+	.adc_channels = &at91_sama7g5_adc_channels,
+	.nr_channels = AT91_SAMA7G5_SINGLE_CHAN_CNT +
+		       AT91_SAMA7G5_DIFF_CHAN_CNT +
+		       AT91_SAMA7G5_TEMP_CHAN_CNT,
+	.max_channels = ARRAY_SIZE(at91_sama7g5_adc_channels),
+	.max_index = AT91_SAMA7G5_MAX_CHAN_IDX,
+	.hw_trig_cnt = AT91_SAMA7G5_HW_TRIG_CNT,
+	.osr_mask = GENMASK(18, 16),
+	.oversampling_avail = { 1, 4, 16, 64, 256, },
+	.oversampling_avail_no = 5,
+	.chan_realbits = 16,
+	.temp_sensor = true,
+	.temp_chan = AT91_SAMA7G5_ADC_TEMP_CHANNEL,
+	.temp_calib_layout = &sama7d65_temp_calib,
+};
+
 static int at91_adc_chan_xlate(struct iio_dev *indio_dev, int chan)
 {
 	int i;
@@ -2638,6 +2666,9 @@ static const struct of_device_id at91_adc_dt_match[] = {
 	}, {
 		.compatible = "microchip,sama7g5-adc",
 		.data = (const void *)&sama7g5_platform,
+	}, {
+		.compatible = "microchip,sama7d65-adc",
+		.data = (const void *)&sama7d65_platform,
 	}, {
 		/* sentinel */
 	}
-- 
2.34.1



  parent reply	other threads:[~2026-06-23 11:00 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-23 10:59 [PATCH v2 00/12] Add thermal management support for sama7d65 Varshini Rajendran
2026-06-23 10:59 ` [PATCH v2 01/12] dt-bindings: iio: adc: at91-sama5d2: document sama7d65 Varshini Rajendran
2026-06-23 17:26   ` Conor Dooley
2026-06-23 10:59 ` [PATCH v2 02/12] iio: adc: at91-sama5d2_adc: rework temp calibration layout handling Varshini Rajendran
2026-06-23 18:15   ` Andy Shevchenko
2026-06-23 10:59 ` Varshini Rajendran [this message]
2026-06-23 18:22   ` [PATCH v2 03/12] iio: adc: at91-sama5d2_adc: adapt the driver for sama7d65 Andy Shevchenko
2026-06-23 10:59 ` [PATCH v2 04/12] dt-bindings: nvmem: microchip,sama7g5-otpc: add sama7d65 and dt node example Varshini Rajendran
2026-06-23 17:28   ` Conor Dooley
2026-06-23 10:59 ` [PATCH v2 05/12] nvmem: microchip-otpc: add tag-based packet lookup Varshini Rajendran
2026-06-23 18:31   ` Andy Shevchenko
2026-06-23 10:59 ` [PATCH v2 06/12] ARM: dts: microchip: sama7d65: add cpu opps Varshini Rajendran
2026-06-23 10:59 ` [PATCH v2 07/12] ARM: dts: microchip: sama7d65: Add ADC node Varshini Rajendran
2026-06-23 10:59 ` [PATCH v2 08/12] ARM: dts: microchip: sama7d65_curiosity: Enable ADC, DVFS Varshini Rajendran
2026-06-23 10:59 ` [PATCH v2 09/12] ARM: dts: microchip: sama7d65: add otpc node Varshini Rajendran
2026-06-23 10:59 ` [PATCH v2 10/12] ARM: dts: microchip: sama7d65: add cells for temperature calibration Varshini Rajendran
2026-06-23 10:59 ` [PATCH v2 11/12] ARM: dts: microchip: sama7d65: add temperature sensor Varshini Rajendran
2026-06-23 10:59 ` [PATCH v2 12/12] ARM: dts: microchip: sama7d65: add thermal zones node Varshini Rajendran

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