diff --git a/Documentation/devicetree/bindings/rtc/maxim,mcp795.txt b/Documentation/devicetree/bindings/rtc/maxim,mcp795.txt new file mode 100644 index 0000000000000000000000000000000000000000..a59fdd8c236d2a7beee87b7b581408cda7aa6a17 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/maxim,mcp795.txt @@ -0,0 +1,11 @@ +* Maxim MCP795 SPI Serial Real-Time Clock + +Required properties: +- compatible: Should contain "maxim,mcp795". +- reg: SPI address for chip + +Example: + mcp795: rtc@0 { + compatible = "maxim,mcp795"; + reg = <0>; + }; diff --git a/drivers/rtc/rtc-mcp795.c b/drivers/rtc/rtc-mcp795.c index 1c91ce8a6d75f339ff04e483e43fa6a1637e5484..025bb33b9cd2d0b9ae31499f33e92c55460e703a 100644 --- a/drivers/rtc/rtc-mcp795.c +++ b/drivers/rtc/rtc-mcp795.c @@ -20,6 +20,7 @@ #include #include #include +#include /* MCP795 Instructions, see datasheet table 3-1 */ #define MCP795_EEREAD 0x03 @@ -183,9 +184,18 @@ static int mcp795_probe(struct spi_device *spi) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id mcp795_of_match[] = { + { .compatible = "maxim,mcp795" }, + { } +}; +MODULE_DEVICE_TABLE(of, mcp795_of_match); +#endif + static struct spi_driver mcp795_driver = { .driver = { .name = "rtc-mcp795", + .of_match_table = of_match_ptr(mcp795_of_match), }, .probe = mcp795_probe, };