From 80cbddf59009933274989cb39d52eb8f0a43839f Mon Sep 17 00:00:00 2001
From: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Date: Fri, 23 Dec 2022 17:26:36 +0100
Subject: [PATCH] iio: adc: ep93xx: Add OF support

Prepare for EP93xx conversion to DT.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20221223162636.6488-2-alexander.sverdlin@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/iio/adc/ep93xx_adc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/iio/adc/ep93xx_adc.c b/drivers/iio/adc/ep93xx_adc.c
index fd5a9404c8dc..a35e6cead67d 100644
--- a/drivers/iio/adc/ep93xx_adc.c
+++ b/drivers/iio/adc/ep93xx_adc.c
@@ -21,6 +21,7 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
 
 /*
  * This code could benefit from real HR Timers, but jiffy granularity would
@@ -227,9 +228,16 @@ static int ep93xx_adc_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id ep93xx_adc_of_ids[] = {
+	{ .compatible = "cirrus,ep9301-adc" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, ep93xx_adc_of_ids);
+
 static struct platform_driver ep93xx_adc_driver = {
 	.driver = {
 		.name = "ep93xx-adc",
+		.of_match_table = ep93xx_adc_of_ids,
 	},
 	.probe = ep93xx_adc_probe,
 	.remove = ep93xx_adc_remove,