[PATCH V3 1/5] W1: Add device tree support to MXC onewire master.
Martin Fuzzey
mfuzzey at parkeon.com
Tue Jan 29 10:46:10 EST 2013
Signed-off-by: Martin Fuzzey <mfuzzey at parkeon.com>
Acked-by: Sascha Hauer <s.hauer at pengutronix.de>
Acked-by: Evgeniy Polyakov <zbr at ioremap.net>
---
.../devicetree/bindings/w1/fsl-imx-owire.txt | 20 ++++++++++++++++++++
drivers/w1/masters/mxc_w1.c | 9 ++++++++-
2 files changed, 28 insertions(+), 1 deletions(-)
create mode 100644 Documentation/devicetree/bindings/w1/fsl-imx-owire.txt
diff --git a/Documentation/devicetree/bindings/w1/fsl-imx-owire.txt b/Documentation/devicetree/bindings/w1/fsl-imx-owire.txt
new file mode 100644
index 0000000..b6d53b0
--- /dev/null
+++ b/Documentation/devicetree/bindings/w1/fsl-imx-owire.txt
@@ -0,0 +1,20 @@
+* Freescale i.MX One wire bus master controller
+
+Required properties:
+- compatible : should be "fsl,imx21-owire"
+- reg : Address and length of the register set for the device
+
+Optional properties:
+- clocks : phandle of clock that supplies the module (required if platform
+ clock bindings use device tree)
+
+Example:
+
+- From imx53.dtsi:
+owire: owire at 63fa4000 {
+ compatible = "fsl,imx53-owire", "fsl,imx21-owire";
+ reg = <0x63fa4000 0x4000>;
+ clocks = <&clks 159>;
+ status = "disabled";
+};
+
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index 708a25f..949e566 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -186,9 +186,16 @@ static int mxc_w1_remove(struct platform_device *pdev)
return 0;
}
+static struct of_device_id mxc_w1_dt_ids[] = {
+ { .compatible = "fsl,imx21-owire" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mxc_w1_dt_ids);
+
static struct platform_driver mxc_w1_driver = {
.driver = {
- .name = "mxc_w1",
+ .name = "mxc_w1",
+ .of_match_table = mxc_w1_dt_ids,
},
.probe = mxc_w1_probe,
.remove = mxc_w1_remove,
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