linux-kernel - [PATCH 4/4] mfd: 88pm805: add device tree support

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Date:	Mon, 29 Jul 2013 04:29:27 -0400
From:	Chao Xie <chao.xie@...vell.com>
To:	<linux-kernel@...r.kernel.org>, <sameo@...ux.intel.com>,
	<xiechao.mail@...il.com>
CC:	Chao Xie <chao.xie@...vell.com>
Subject: [PATCH 4/4] mfd: 88pm805: add device tree support

Signed-off-by: Chao Xie <chao.xie@...vell.com>
---
 Documentation/devicetree/bindings/mfd/88pm805.c |   15 +++++++++++++++
 drivers/mfd/88pm805.c                           |    8 ++++++++
 2 files changed, 23 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/88pm805.c

diff --git a/Documentation/devicetree/bindings/mfd/88pm805.c b/Documentation/devicetree/bindings/mfd/88pm805.c
new file mode 100644
index 0000000..f3878a3
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/88pm805.c
@@ -0,0 +1,15 @@
+* Marvell 88PM805 Power Management IC
+
+Required parent device properties:
+- compatible : "marvell,88pm805"
+- reg : the I2C slave address for the 88pm805 chip
+- interrupts : IRQ line for the 88pm805 chip
+
+Example:
+
+	pmic: 88pm805@38 {
+		compatible = "marvell,88pm805";
+		reg = <0x38>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <124 0x1>;
+	};
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index 57135bb..f6e0e55 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -28,6 +28,7 @@
 #include <linux/mfd/88pm80x.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
+#include <linux/of_device.h>
 
 static const struct i2c_device_id pm80x_id_table[] = {
 	{"88PM805", 0},
@@ -35,6 +36,12 @@ static const struct i2c_device_id pm80x_id_table[] = {
 };
 MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
 
+static const struct of_device_id pm80x_dt_ids[] = {
+	{ .compatible = "marvell,88pm805", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, pm80x_dt_ids);
+
 /* Interrupt Number in 88PM805 */
 enum {
 	PM805_IRQ_LDO_OFF,	/*0 */
@@ -269,6 +276,7 @@ static struct i2c_driver pm805_driver = {
 		.name = "88PM805",
 		.owner = THIS_MODULE,
 		.pm = &pm80x_pm_ops,
+		.of_match_table	= of_match_ptr(pm80x_dt_ids),
 		},
 	.probe = pm805_probe,
 	.remove = pm805_remove,
-- 
1.7.4.1

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