From 8899b8d93ec64b7a8e54807a68a958e1206535e2 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Sun, 23 Dec 2012 22:03:37 +0200 Subject: [PATCH] watchdog: twl4030_wdt: add DT support Add DT support for twl4030_wdt. This is needed to get twl4030_wdt to probe when booting with DT. Signed-off-by: Aaro Koskinen Signed-off-by: Wim Van Sebroeck --- .../devicetree/bindings/watchdog/twl4030-wdt.txt | 10 ++++++++++ arch/arm/boot/dts/twl4030.dtsi | 4 ++++ drivers/watchdog/twl4030_wdt.c | 11 +++++++++-- 3 files changed, 23 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt b/Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt new file mode 100644 index 000000000000..80a37193c0b8 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt @@ -0,0 +1,10 @@ +Device tree bindings for twl4030-wdt driver (TWL4030 watchdog) + +Required properties: + compatible = "ti,twl4030-wdt"; + +Example: + +watchdog { + compatible = "ti,twl4030-wdt"; +}; diff --git a/arch/arm/boot/dts/twl4030.dtsi b/arch/arm/boot/dts/twl4030.dtsi index 63411b036932..ed0bc9546837 100644 --- a/arch/arm/boot/dts/twl4030.dtsi +++ b/arch/arm/boot/dts/twl4030.dtsi @@ -19,6 +19,10 @@ interrupts = <11>; }; + watchdog { + compatible = "ti,twl4030-wdt"; + }; + vdac: regulator-vdac { compatible = "ti,twl4030-vdac"; regulator-min-microvolt = <1800000>; diff --git a/drivers/watchdog/twl4030_wdt.c b/drivers/watchdog/twl4030_wdt.c index 81918cf8993b..0f03106f7516 100644 --- a/drivers/watchdog/twl4030_wdt.c +++ b/drivers/watchdog/twl4030_wdt.c @@ -131,14 +131,21 @@ static int twl4030_wdt_resume(struct platform_device *pdev) #define twl4030_wdt_resume NULL #endif +static const struct of_device_id twl_wdt_of_match[] = { + { .compatible = "ti,twl4030-wdt", }, + { }, +}; +MODULE_DEVICE_TABLE(of, twl_wdt_of_match); + static struct platform_driver twl4030_wdt_driver = { .probe = twl4030_wdt_probe, .remove = twl4030_wdt_remove, .suspend = twl4030_wdt_suspend, .resume = twl4030_wdt_resume, .driver = { - .owner = THIS_MODULE, - .name = "twl4030_wdt", + .owner = THIS_MODULE, + .name = "twl4030_wdt", + .of_match_table = twl_wdt_of_match, }, };