diff options
| author | Martin Fuzzey <mfuzzey@parkeon.com> | 2013-01-29 16:46:10 +0100 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-02-10 23:25:46 +0800 |
| commit | 28c55dc1acc863cb29832b5be2464ebcdafdc3d5 (patch) | |
| tree | e6c4c051e3540b5e55fcda6b278a62037221aa16 | |
| parent | 96574a6dc6bee2320276d7468162a72a0e5c3a34 (diff) | |
| download | linux-28c55dc1acc863cb29832b5be2464ebcdafdc3d5.tar.bz2 | |
W1: Add device tree support to MXC onewire master.
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/w1/fsl-imx-owire.txt | 19 | ||||
| -rw-r--r-- | drivers/w1/masters/mxc_w1.c | 9 |
2 files changed, 27 insertions, 1 deletions
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 000000000000..ecf42c07684d --- /dev/null +++ b/Documentation/devicetree/bindings/w1/fsl-imx-owire.txt @@ -0,0 +1,19 @@ +* 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@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 708a25fc9961..949e56669548 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, |