serial/of-serial: Add LPC3220 standard UART compatible string

This patch adds a "compatible" string for the new 8250 UART type PORT_LPC3220.
This is necessary for initializing LPC32xx UARTs via DT.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
index b8b27b0..0847fde 100644 (file)
--- a/Documentation/devicetree/bindings/tty/serial/of-serial.txt
+++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
@@ -9,6 +9,7 @@ Required properties:
        - "ns16750"
        - "ns16850"
        - "nvidia,tegra20-uart"
+       - "nxp,lpc3220-uart"
        - "ibm,qpace-nwp-serial"
        - "serial" if the port type is unknown.
 - reg : offset and length of the register set for the device.

diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 5410c06..34e7187 100644 (file)
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -208,6 +208,7 @@ static struct of_device_id __devinitdata of_platform_serial_table[] = {
        { .compatible = "ns16750",  .data = (void *)PORT_16750, },
        { .compatible = "ns16850",  .data = (void *)PORT_16850, },
        { .compatible = "nvidia,tegra20-uart", .data = (void *)PORT_TEGRA, },
+       { .compatible = "nxp,lpc3220-uart", .data = (void *)PORT_LPC3220, },
 #ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL
        { .compatible = "ibm,qpace-nwp-serial",
                .data = (void *)PORT_NWPSERIAL, },