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Subject[PATCH v3 3/7] rtc: rtc-jz4740: Add support for devicetree
Date
See
Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt
for a description of the bindings.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Maarten ter Huurne <maarten@treewalker.org>
---
drivers/rtc/rtc-jz4740.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

v2: No change
v3: 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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