Convert the SiRF UART driver from using the vendor-specific
"sirf,uart-has-rtscts" to the generic "uart-has-rtscts" DT property, as
documented by the Generic Serial DT Bindings.
The old vendor-specific property is still recognized by the driver for
backwards compatibility, but deprecated.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
Documentation/devicetree/bindings/serial/sirf-uart.txt | 8 ++++----
drivers/tty/serial/sirfsoc_uart.c | 3 ++-
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/serial/sirf-uart.txt b/Documentation/devicetree/bindings/serial/sirf-uart.txt
index 67e2a0aeb0429572..1e48bbbeecc6dd27 100644
--- a/Documentation/devicetree/bindings/serial/sirf-uart.txt
+++ b/Documentation/devicetree/bindings/serial/sirf-uart.txt
@@ -9,9 +9,9 @@ Required properties:
- clocks : Should contain uart clock number
Optional properties:
-- sirf,uart-has-rtscts: we have hardware flow controller pins in hardware
-- rts-gpios: RTS pin for USP-based UART if sirf,uart-has-rtscts is true
-- cts-gpios: CTS pin for USP-based UART if sirf,uart-has-rtscts is true
+- uart-has-rtscts: we have hardware flow controller pins in hardware
+- rts-gpios: RTS pin for USP-based UART if uart-has-rtscts is true
+- cts-gpios: CTS pin for USP-based UART if uart-has-rtscts is true
Example:
@@ -28,7 +28,7 @@ On the board-specific dts, we can put rts-gpios and cts-gpios like
usp@b0090000 {
compatible = "sirf,prima2-usp-uart";
- sirf,uart-has-rtscts;
+ uart-has-rtscts;
rts-gpios = <&gpio 15 0>;
cts-gpios = <&gpio 46 0>;
};
diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
index 1d1c0b9857ff6900..b186c9c4f850cc16 100644
--- a/drivers/tty/serial/sirfsoc_uart.c
+++ b/drivers/tty/serial/sirfsoc_uart.c
@@ -1293,7 +1293,8 @@ static int sirfsoc_uart_probe(struct platform_device *pdev)
sirfport->uart_reg = (struct sirfsoc_uart_register *)match->data;
sirfport->hw_flow_ctrl =
- of_property_read_bool(np, "sirf,uart-has-rtscts");
+ of_property_read_bool(np, "uart-has-rtscts") ||
+ of_property_read_bool(np, "sirf,uart-has-rtscts") /* deprecated */;
if (of_device_is_compatible(np, "sirf,prima2-uart") ||
of_device_is_compatible(np, "sirf,atlas7-uart"))
sirfport->uart_reg->uart_type = SIRF_REAL_UART;
--
1.9.1
--
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