rtc: tegra: convert to DT driver

Submitted by Joseph Lo on Dec. 19, 2012, 2:47 a.m.

Details

Message ID 1355885237-4448-1-git-send-email-josephl@nvidia.com
State Not Applicable, archived
Headers show

Commit Message

Joseph Lo Dec. 19, 2012, 2:47 a.m.
After Kernel 3.7, the Tegra device will only support booting with DT. The
legacy Tegra RTC platform driver will not work anymore. This patch convert
the driver to support DT.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
---
 drivers/rtc/rtc-tegra.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

Comments

Stephen Warren Dec. 19, 2012, 5:09 p.m.
On 12/18/2012 07:47 PM, Joseph Lo wrote:
> After Kernel 3.7, the Tegra device will only support booting with DT. The
> legacy Tegra RTC platform driver will not work anymore. This patch convert
> the driver to support DT.

I think Andrew Morton usually ends up picking up drivers/rtc/ patches
since Alessandro hasn't been active recently. But since Andrew wasn't
Cc'd, I'd be happy to take this through the Tegra tree for 3.9.
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diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index c006025..fb62808 100644
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -303,6 +303,12 @@  static struct rtc_class_ops tegra_rtc_ops = {
 	.alarm_irq_enable = tegra_rtc_alarm_irq_enable,
 };
 
+static const struct of_device_id tegra_rtc_dt_match[] = {
+	{ .compatible = "nvidia,tegra20-rtc", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, tegra_rtc_dt_match);
+
 static int __devinit tegra_rtc_probe(struct platform_device *pdev)
 {
 	struct tegra_rtc_info *info;
@@ -440,6 +446,7 @@  static struct platform_driver tegra_rtc_driver = {
 	.driver		= {
 		.name	= "tegra_rtc",
 		.owner	= THIS_MODULE,
+		.of_match_table = tegra_rtc_dt_match,
 	},
 #ifdef CONFIG_PM
 	.suspend	= tegra_rtc_suspend,