linux-kernel - [PATCH v2 7/8] i2c: pca9541: add device tree binding

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Date:	Mon, 15 Aug 2016 15:40:30 +0200
From:	Peter Rosin <peda@...ntia.se>
To:	<linux-kernel@...r.kernel.org>
CC:	Peter Rosin <peda@...ntia.se>, Wolfram Sang <wsa@...-dreams.de>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Guenter Roeck <linux@...ck-us.net>,
	"David S. Miller" <davem@...emloft.net>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	<linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
	Crestez Dan Leonard <leonard.crestez@...el.com>
Subject: [PATCH v2 7/8] i2c: pca9541: add device tree binding

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

Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 drivers/i2c/muxes/i2c-mux-pca9541.c | 8 ++++++++
 1 file changed, 8 insertions(+)

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,
-- 
2.1.4