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| author |   Hui Wang <hui.wang@canonical.com> | 2024-06-18 19:26:19 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-24 16:10:36 +0200 |
| commit | a9411ef13f8fada29775fd21a3dfab7dcc49216a (patch) | |
| tree | 95b6a0b73e7e3e13526558e8423e4107379f2201 | |
| parent | dt-bindings: serial: vt8500-uart: convert to json-schema (diff) | |
| download | wireguard-linux-a9411ef13f8fada29775fd21a3dfab7dcc49216a.tar.xz wireguard-linux-a9411ef13f8fada29775fd21a3dfab7dcc49216a.zip | |
dt-bindings: serial: sc16is7xx: add reset-gpios
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>
Link: https://lore.kernel.org/r/20240618112620.152848-1-hui.wang@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml | 5 |
1 files changed, 5 insertions, 0 deletions
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 */ |