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Message-Id: <20161031203951.5444-3-paul@crapouillou.net>
Date:   Mon, 31 Oct 2016 21:39:47 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     rtc-linux@...glegroups.com,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Maarten ter Huurne <maarten@...ewalker.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...ux-mips.org
Cc:     Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v3 3/7] rtc: 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 <paul@...pouillou.net>
Acked-by: Maarten ter Huurne <maarten@...ewalker.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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