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| author | NeilBrown <neilb@suse.de> | 2014-11-08 10:30:32 +1100 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2014-11-10 15:58:47 -0800 |
| commit | 126e31faa12c0d40c3b603adb9ac6d72dd424860 (patch) | |
| tree | 71e335bd684c2aab62824dd34194ef8ee644faa1 | |
| parent | cac7f2429872d3733dc3f9915857b1691da2eb2f (diff) | |
| download | lwn-126e31faa12c0d40c3b603adb9ac6d72dd424860.tar.gz lwn-126e31faa12c0d40c3b603adb9ac6d72dd424860.zip | |
w1: omap-hdq: support device probing with device-tree
This driver has no 'compatible' string and so is not found when
using device-tree.
Add one with value to match
hdqw1w: 1w@480b2000 {
device in omap3.dtsi.
Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | Documentation/devicetree/bindings/w1/omap-hdq.txt | 17 | ||||
| -rw-r--r-- | drivers/w1/masters/omap_hdq.c | 7 |
2 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/w1/omap-hdq.txt b/Documentation/devicetree/bindings/w1/omap-hdq.txt new file mode 100644 index 000000000000..fef794741bd1 --- /dev/null +++ b/Documentation/devicetree/bindings/w1/omap-hdq.txt @@ -0,0 +1,17 @@ +* OMAP HDQ One wire bus master controller + +Required properties: +- compatible : should be "ti,omap3-1w" +- reg : Address and length of the register set for the device +- interrupts : interrupt line. +- ti,hwmods : "hdq1w" + +Example: + +- From omap3.dtsi + hdqw1w: 1w@480b2000 { + compatible = "ti,omap3-1w"; + reg = <0x480b2000 0x1000>; + interrupts = <58>; + ti,hwmods = "hdq1w"; + }; diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c index 9900e8ec7393..03321d6a2684 100644 --- a/drivers/w1/masters/omap_hdq.c +++ b/drivers/w1/masters/omap_hdq.c @@ -72,11 +72,18 @@ struct hdq_data { static int omap_hdq_probe(struct platform_device *pdev); static int omap_hdq_remove(struct platform_device *pdev); +static struct of_device_id omap_hdq_dt_ids[] = { + { .compatible = "ti,omap3-1w" }, + {} +}; +MODULE_DEVICE_TABLE(of, omap_hdq_dt_ids); + static struct platform_driver omap_hdq_driver = { .probe = omap_hdq_probe, .remove = omap_hdq_remove, .driver = { .name = "omap_hdq", + .of_match_table = omap_hdq_dt_ids, }, }; |