[PATCH v2 3/7] rtc: rtc-jz4740: Add support for devicetree
From: Paul Cercueil <hidden>
Date: 2016-10-30 23:09:18
Also in:
linux-mips, linux-rtc, lkml
Subsystem:
ingenic jz47xx socs, real time clock (rtc) subsystem, the rest · Maintainers:
Paul Cercueil, Alexandre Belloni, Linus Torvalds
See Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt for a description of the bindings. Signed-off-by: Paul Cercueil <redacted> Acked-by: Maarten ter Huurne <redacted> --- drivers/rtc/rtc-jz4740.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) v2: No change
diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index c616efe..4213554 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c@@ -17,6 +17,7 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/slab.h>
@@ -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, };
--
2.9.3
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