diff mbox series

[v6,1/2] dt-bindings: serial: sc16is7xx: add reset-gpios

Message ID 20240618112620.152848-1-hui.wang@canonical.com
State New
Headers show
Series [v6,1/2] dt-bindings: serial: sc16is7xx: add reset-gpios | expand

Commit Message

Hui Wang June 18, 2024, 11:26 a.m. UTC 
In some designs, the chip reset pin is connected to a GPIO, and this
GPIO needs to be set correctly before probing the driver, so add a
reset-gpios in the device tree.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Lech Perczak <lech.perczak@camlingroup.com>
Tested-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
---
No change in the v6

 Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
index 5dec15b7e7c3..88871480018e 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
@@ -91,6 +94,7 @@  unevaluatedProperties: false
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
     i2c {
         #address-cells = <1>;
         #size-cells = <0>;
@@ -120,6 +124,7 @@  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 */