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>

diff --git a/drivers/iio/adc/ep93xx_adc.c b/drivers/iio/adc/ep93xx_adc.c
index fd5a940..a35e6ce 100644 (file)
--- 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,