i2c: pca9541: add device tree binding

No longer rely on the implicit matching with the i2c device name, use
an explicit compatible string instead.

Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Peter Rosin <peda@axentia.se>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c
index f052c3067791..4ea7e691afc7 100644
--- a/drivers/i2c/muxes/i2c-mux-pca9541.c
+++ b/drivers/i2c/muxes/i2c-mux-pca9541.c
@@ -85,6 +85,13 @@ static const struct i2c_device_id pca9541_id[] = {
 
 MODULE_DEVICE_TABLE(i2c, pca9541_id);
 
+#ifdef CONFIG_OF
+static const struct of_device_id pca9541_of_match[] = {
+        { .compatible = "nxp,pca9541" },
+        {}
+};
+#endif
+
 /*
  * Write to chip register. Don't use i2c_transfer()/i2c_smbus_xfer()
  * as they will try to lock the adapter a second time.
@@ -383,6 +390,7 @@ static int pca9541_remove(struct i2c_client *client)
 static struct i2c_driver pca9541_driver = {
         .driver = {
                    .name = "pca9541",
+                   .of_match_table = of_match_ptr(pca9541_of_match),
                    },
         .probe = pca9541_probe,
         .remove = pca9541_remove,