diff options
| author | Viresh Kumar <[email protected]> | 2012-05-29 15:07:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2012-05-29 16:22:33 -0700 |
| commit | 0108c4ff62a0ee324c58175ff6b7000865023498 (patch) | |
| tree | e25434c28edbd078b9f70a3f154e7f0981e22306 | |
| parent | 7c20342230ff370c397fc4a9c4c1e7a91964bb66 (diff) | |
rtc/spear: add Device Tree probing capability
SPEAr platforms now support DT and so must convert all drivers support DT.
This patch adds DT probing support for rtc and updates its documentation
too.
Signed-off-by: Viresh Kumar <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Rajeev Kumar <[email protected]>
Cc: Rob Herring <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/spear-rtc.txt | 17 | ||||
| -rw-r--r-- | drivers/rtc/rtc-spear.c | 10 |
2 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/spear-rtc.txt b/Documentation/devicetree/bindings/rtc/spear-rtc.txt new file mode 100644 index 000000000000..ca67ac62108e --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/spear-rtc.txt @@ -0,0 +1,17 @@ +* SPEAr RTC + +Required properties: +- compatible : "st,spear600-rtc" +- reg : Address range of the rtc registers +- interrupt-parent: Should be the phandle for the interrupt controller + that services interrupts for this device +- interrupt: Should contain the rtc interrupt number + +Example: + + rtc@fc000000 { + compatible = "st,spear600-rtc"; + reg = <0xfc000000 0x1000>; + interrupt-parent = <&vic1>; + interrupts = <12>; + }; diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index e38da0dc4187..1f76320e545b 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/slab.h> @@ -519,6 +520,14 @@ static void spear_rtc_shutdown(struct platform_device *pdev) clk_disable(config->clk); } +#ifdef CONFIG_OF +static const struct of_device_id spear_rtc_id_table[] = { + { .compatible = "st,spear600-rtc" }, + {} +}; +MODULE_DEVICE_TABLE(of, spear_rtc_id_table); +#endif + static struct platform_driver spear_rtc_driver = { .probe = spear_rtc_probe, .remove = __devexit_p(spear_rtc_remove), @@ -527,6 +536,7 @@ static struct platform_driver spear_rtc_driver = { .shutdown = spear_rtc_shutdown, .driver = { .name = "rtc-spear", + .of_match_table = of_match_ptr(spear_rtc_id_table), }, }; |