@@ -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
@@ -1660,6 +1660,9 @@ static int serial_omap_probe(struct platform_device *pdev)
return -EPROBE_DEFER;
wakeirq = irq_of_parse_and_map(pdev->dev.of_node, 1);
omap_up_info = of_get_uart_port_info(&pdev->dev);
+ if (of_property_read_bool(pdev->dev.of_node,
+ "has-hw-flow-control"))
+ omap_up_info->flags |= UPF_HARD_FLOW;
pdev->dev.platform_data = omap_up_info;
} else {
uartirq = platform_get_irq(pdev, 0);
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 | 3 +++ 2 files changed, 4 insertions(+)