Messages in this thread Patch in this message | | | From | Frans Klaver <> | Subject | [PATCH 4/4] tty: omap-serial: support setting of hardware flow control in dts | Date | Tue, 19 Aug 2014 14:14:48 +0200 |
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This makes hardware flow control availability configurable from the device tree.
Signed-off-by: Frans Klaver <frans.klaver@xsens.com> --- Documentation/devicetree/bindings/serial/omap_serial.txt | 1 + drivers/tty/serial/omap-serial.c | 4 ++++ 2 files changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt index 342eedd..1b629e9 100644 --- a/Documentation/devicetree/bindings/serial/omap_serial.txt +++ b/Documentation/devicetree/bindings/serial/omap_serial.txt @@ -8,3 +8,4 @@ Required properties: Optional properties: - clock-frequency : frequency of the clock input to the UART +- has-hw-flow-control : the hardware has flow control capability diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 57664b9..7d3b3d2 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1598,6 +1598,10 @@ static struct omap_uart_port_info *of_get_uart_port_info(struct device *dev) of_property_read_u32(dev->of_node, "clock-frequency", &omap_up_info->uartclk); + + if (of_property_read_bool(dev->of_node, "has-hw-flow-control")) + omap_up_info->flags |= UPF_HARD_FLOW; + return omap_up_info; } -- 1.9.3
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