This makes hardware flow control availability configurable from the
device tree.
Signed-off-by: Frans Klaver <frans.kla...@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 398139a..bff6874 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1597,6 +1597,10 @@ 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;
}
--
2.1.0
--
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