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Subject[PATCH 2/2] ARM: vt8500: Minor update to vt8500-uart for devicetree support
Date
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Arnd Bergmann <arnd@arndb.de>
---
v2:
Split single patch into seperate patches.
.../devicetree/bindings/tty/serial/vt8500-uart.txt | 14 ++++++++++++++
drivers/tty/serial/vt8500_serial.c | 8 ++++++++
2 files changed, 22 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/tty/serial/vt8500-uart.txt

diff --git a/Documentation/devicetree/bindings/tty/serial/vt8500-uart.txt b/Documentation/devicetree/bindings/tty/serial/vt8500-uart.txt
new file mode 100644
index 0000000..745070a
--- /dev/null
+++ b/Documentation/devicetree/bindings/tty/serial/vt8500-uart.txt
@@ -0,0 +1,14 @@
+* VIA/Wondermedia Universal Asynchronous Receiver/Transmitter (UART)
+
+Required properties:
+- compatible: Should be "via,vt8500-uart"
+- reg: Should contain registers location and length
+- interrupts: Should contain interrupt
+
+Example:
+ uart0: serial@d8200000 {
+ compatible = "via,vt8500-uart";
+ reg = <0xd8200000 0x1040>;
+ interrupts = <32>;
+ };
+
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 2be006f..b9ea0b9 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -34,6 +34,7 @@
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
+#include <linux/of.h>

/*
* UART Register offsets
@@ -603,12 +604,18 @@ static int __devexit vt8500_serial_remove(struct platform_device *pdev)
return 0;
}

+static const struct of_device_id vt8500_uart_ids[] = {
+ { .compatible = "via,vt8500-uart", },
+ {}
+};
+
static struct platform_driver vt8500_platform_driver = {
.probe = vt8500_serial_probe,
.remove = __devexit_p(vt8500_serial_remove),
.driver = {
.name = "vt8500_serial",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(vt8500_uart_ids),
},
};

@@ -643,3 +650,4 @@ module_exit(vt8500_serial_exit);
MODULE_AUTHOR("Alexey Charkov <alchark@gmail.com>");
MODULE_DESCRIPTION("Driver for vt8500 serial device");
MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(of, vt8500_uart_ids);
--
1.7.2.5


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