In some designs, the chip reset pin is connected to a gpio, this
gpio needs to be set correctly before probing the driver, so adding
a reset-gpios in the device tree.
Signed-off-by: Hui Wang <hui.wang@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
index 5dec15b7e7c3..62aff6e034cb 100644
--- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
+++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
@@ -28,6 +28,9 @@ properties:
clocks:
maxItems: 1
+ reset-gpios:
+ maxItems: 1
+
clock-frequency:
description:
When there is no clock provider visible to the platform, this
@@ -120,6 +123,7 @@ examples:
compatible = "nxp,sc16is752";
reg = <0x54>;
clocks = <&clk20m>;
+ reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
interrupt-parent = <&gpio3>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */
--
2.34.1
