linux-kernel - [PATCH 2/4] iio: adc: adi-axi-adc: Add support for ad777x

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Message-ID: <20250728134340.3644-3-Ioana.Risteiu@analog.com>
Date: Mon, 28 Jul 2025 16:43:34 +0300
From: Ioana Risteiu <Ioana.Risteiu@...log.com>
To: Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich
	<Michael.Hennerich@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        "David
 Lechner" <dlechner@...libre.com>,
        Nuno Sá
	<nuno.sa@...log.com>,
        Andy Shevchenko <andy@...nel.org>, Rob Herring
	<robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Ramona Nechita <ramona.nechita@...log.com>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: Ioana Risteiu <Ioana.Risteiu@...log.com>
Subject: [PATCH 2/4] iio: adc: adi-axi-adc: Add support for ad777x

Add new compatible string and corresponding iio_backend_ops for AD777x
axi family.

Signed-off-by: Ioana Risteiu <Ioana.Risteiu@...log.com>
---
 drivers/iio/adc/adi-axi-adc.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index 2d86bb0e08a7..c4b8ec6d9397 100644
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -670,6 +670,25 @@ static const struct iio_backend_info axi_ad408x = {
 	.ops = &adi_ad408x_ops,
 };
 
+static const struct iio_backend_ops adi_ad777x_ops = {
+	.enable = axi_adc_enable,
+	.disable = axi_adc_disable,
+	.chan_enable = axi_adc_chan_enable,
+	.chan_disable = axi_adc_chan_disable,
+	.request_buffer = axi_adc_request_buffer,
+	.free_buffer = axi_adc_free_buffer,
+	.data_sample_trigger = axi_adc_data_sample_trigger,
+	.chan_status = axi_adc_chan_status,
+	.debugfs_reg_access = iio_backend_debugfs_ptr(axi_adc_reg_access),
+	.debugfs_print_chan_status = iio_backend_debugfs_ptr(axi_adc_debugfs_print_chan_status),
+	.num_lanes_set = axi_adc_num_lanes_set,
+};
+
+static const struct iio_backend_info axi_ad777x = {
+	.name = "axi-ad777x",
+	.ops = &adi_ad777x_ops,
+};
+
 static int adi_axi_adc_probe(struct platform_device *pdev)
 {
 	struct adi_axi_adc_state *st;
@@ -790,12 +809,18 @@ static const struct axi_adc_info adi_axi_ad408x = {
 	.backend_info = &axi_ad408x,
 };
 
+static const struct axi_adc_info adi_axi_ad777x = {
+	.version = ADI_AXI_PCORE_VER(10, 0, 'a'),
+	.backend_info = &axi_ad777x,
+};
+
 /* Match table for of_platform binding */
 static const struct of_device_id adi_axi_adc_of_match[] = {
 	{ .compatible = "adi,axi-adc-10.0.a", .data = &adc_generic },
 	{ .compatible = "adi,axi-ad408x", .data = &adi_axi_ad408x },
 	{ .compatible = "adi,axi-ad485x", .data = &adi_axi_ad485x },
 	{ .compatible = "adi,axi-ad7606x", .data = &adc_ad7606 },
+	{ .compatible = "adi,axi-ad777x", .data = &adi_axi_ad777x},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, adi_axi_adc_of_match);
-- 
2.47.2