From 5a6709595dd9536352f3b415b60121cc9bc8c753 Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Fri, 3 Jan 2014 14:10:22 +1100 Subject: [PATCH] drivers/rtc/rtc-ds1742.c: add devicetree support This patch allows the driver to be enabled with devicetree. Signed-off-by: Alexander Shiyan Acked-by: Mark Rutland Signed-off-by: Andrew Morton --- .../devicetree/bindings/rtc/maxim,ds1742.txt | 12 ++++++++++++ drivers/rtc/rtc-ds1742.c | 10 +++++++++- 2 files changed, 21 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/rtc/maxim,ds1742.txt diff --git a/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt new file mode 100644 index 000000000000..d0f937c355b5 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/maxim,ds1742.txt @@ -0,0 +1,12 @@ +* Maxim (Dallas) DS1742/DS1743 Real Time Clock + +Required properties: +- compatible: Should contain "maxim,ds1742". +- reg: Physical base address of the RTC and length of memory + mapped region. + +Example: + rtc: rtc@10000000 { + compatible = "maxim,ds1742"; + reg = <0x10000000 0x800>; + }; diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index 17b73fdc3b6e..d7f74f5e9090 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -13,12 +13,13 @@ */ #include -#include #include #include #include #include #include +#include +#include #include #include #include @@ -215,12 +216,19 @@ static int ds1742_rtc_remove(struct platform_device *pdev) return 0; } +static struct of_device_id __maybe_unused ds1742_rtc_of_match[] = { + { .compatible = "maxim,ds1742", }, + { } +}; +MODULE_DEVICE_TABLE(of, ds1742_rtc_of_match); + static struct platform_driver ds1742_rtc_driver = { .probe = ds1742_rtc_probe, .remove = ds1742_rtc_remove, .driver = { .name = "rtc-ds1742", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(ds1742_rtc_of_match), }, }; -- 2.39.5