From c05229a893e79dc992abe0e561d7da0e3e84e1d8 Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Mon, 31 Oct 2016 21:39:47 +0100 Subject: [PATCH] rtc: jz4740: Add support for devicetree See Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt for a description of the bindings. Signed-off-by: Paul Cercueil Acked-by: Maarten ter Huurne Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-jz4740.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c index 7ad2d7965b4e..c2895cec56b4 100644 --- a/drivers/rtc/rtc-jz4740.c +++ b/drivers/rtc/rtc-jz4740.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -245,6 +246,13 @@ void jz4740_rtc_poweroff(struct device *dev) } EXPORT_SYMBOL_GPL(jz4740_rtc_poweroff); +static const struct of_device_id jz4740_rtc_of_match[] = { + { .compatible = "ingenic,jz4740-rtc", .data = (void *)ID_JZ4740 }, + { .compatible = "ingenic,jz4780-rtc", .data = (void *)ID_JZ4780 }, + {}, +}; +MODULE_DEVICE_TABLE(of, jz4740_rtc_of_match); + static int jz4740_rtc_probe(struct platform_device *pdev) { int ret; @@ -252,12 +260,17 @@ static int jz4740_rtc_probe(struct platform_device *pdev) uint32_t scratchpad; struct resource *mem; const struct platform_device_id *id = platform_get_device_id(pdev); + const struct of_device_id *of_id = of_match_device( + jz4740_rtc_of_match, &pdev->dev); rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL); if (!rtc) return -ENOMEM; - rtc->type = id->driver_data; + if (of_id) + rtc->type = (enum jz4740_rtc_type)of_id->data; + else + rtc->type = id->driver_data; rtc->irq = platform_get_irq(pdev, 0); if (rtc->irq < 0) { @@ -345,6 +358,7 @@ static struct platform_driver jz4740_rtc_driver = { .driver = { .name = "jz4740-rtc", .pm = JZ4740_RTC_PM_OPS, + .of_match_table = of_match_ptr(jz4740_rtc_of_match), }, .id_table = jz4740_rtc_ids, }; -- 2.39.5