[PATCH 1/3] mmc: sdhci-s3c: Add support for device tree based probe

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Add of_match_table to enable sdhci-s3c driver to be probed when a compatible
sdhci device node is found in device tree.

CC: linux-mmc@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Abraham <thomas.abraham@xxxxxxxxxx>
---
 .../devicetree/bindings/mmc/samsung-s3c-sdhci.txt  |   10 ++++++++++
 drivers/mmc/host/sdhci-s3c.c                       |   11 +++++++++++
 2 files changed, 21 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mmc/samsung-s3c-sdhci.txt

diff --git a/Documentation/devicetree/bindings/mmc/samsung-s3c-sdhci.txt b/Documentation/devicetree/bindings/mmc/samsung-s3c-sdhci.txt
new file mode 100644
index 0000000..c2298f8
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/samsung-s3c-sdhci.txt
@@ -0,0 +1,10 @@
+* Samsung's SDHCI controller
+
+The Samsung's SDHCI controller is used for interfacing with SD/MMC cards.
+
+Required properties:
+- compatible : should be "samsung,s3c-sdhci"
+- reg : base physical address of the controller and length of memory mapped
+	region.
+- interrupts : interrupt number to the cpu.
+
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 69e3ee3..5ccbee0 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -629,6 +629,16 @@ static int sdhci_s3c_resume(struct platform_device *dev)
 #define sdhci_s3c_resume NULL
 #endif
 
+#ifdef CONFIG_OF
+static const struct of_device_id s3c_sdhci_match[] = {
+	{ .compatible = "samsung,s3c-sdhci" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, s3c_sdhci_match);
+#else
+#define s3c_sdhci_match NULL
+#endif
+
 static struct platform_driver sdhci_s3c_driver = {
 	.probe		= sdhci_s3c_probe,
 	.remove		= __devexit_p(sdhci_s3c_remove),
@@ -637,6 +647,7 @@ static struct platform_driver sdhci_s3c_driver = {
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "s3c-sdhci",
+		.of_match_table	= s3c_sdhci_match,
 	},
 };
 
-- 
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux