From: Markus Schneider-Pargmann <msp@baylibre.com>

Pins associated with the 8250 omap unit can be the source of a wakeup in
deep sleep states. To be able to wakeup, these pins have to be
configured in a special way. To support this configuration add the
default and wakeup pinctrl states.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Kendall Willis <k-willis@ti.com>
---
 Documentation/devicetree/bindings/serial/8250_omap.yaml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/8250_omap.yaml b/Documentation/devicetree/bindings/serial/8250_omap.yaml
index 1859f71297ff297141e5cd455574fa9ccd9dd11c..aabacca2b2fa6a7740173e6c415656360b5df4e4 100644
--- a/Documentation/devicetree/bindings/serial/8250_omap.yaml
+++ b/Documentation/devicetree/bindings/serial/8250_omap.yaml
@@ -71,6 +71,22 @@ properties:
   overrun-throttle-ms: true
   wakeup-source: true
 
+  pinctrl-0:
+    description: Default pinctrl state
+
+  pinctrl-1:
+    description: Wakeup pinctrl state
+
+  pinctrl-names:
+    description:
+      When present should contain at least "default" describing the default pin
+      states. The second state called "wakeup" describes the pins in their
+      wakeup configuration required to exit sleep states.
+    minItems: 1
+    items:
+      - const: default
+      - const: wakeup
+
 required:
   - compatible
   - reg

-- 
2.34.1

On Sep 10, 2025 at 16:23:31 -0500, Kendall Willis wrote:
> From: Markus Schneider-Pargmann <msp@baylibre.com>
> 
> Pins associated with the 8250 omap unit can be the source of a wakeup in
> deep sleep states. To be able to wakeup, these pins have to be
> configured in a special way. To support this configuration add the
> default and wakeup pinctrl states.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
> Signed-off-by: Kendall Willis <k-willis@ti.com>
> ---
>  Documentation/devicetree/bindings/serial/8250_omap.yaml | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Reviewed-by: Dhruva Gole <d-gole@ti.com>

-- 
Best regards,
Dhruva Gole
Texas Instruments Incorporated

On Wed, 10 Sep 2025 16:23:31 -0500, Kendall Willis wrote:
> From: Markus Schneider-Pargmann <msp@baylibre.com>
> 
> Pins associated with the 8250 omap unit can be the source of a wakeup in
> deep sleep states. To be able to wakeup, these pins have to be
> configured in a special way. To support this configuration add the
> default and wakeup pinctrl states.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
> Signed-off-by: Kendall Willis <k-willis@ti.com>
> ---
>  Documentation/devicetree/bindings/serial/8250_omap.yaml | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>