Re: [PATCH v2 1/2] dt-bindings: connector: Add pd-supported property

From: Guenter Roeck
Date: Tue Jul 27 2021 - 12:29:25 EST


On 7/27/21 8:13 AM, Kyle Tso wrote:
Set pd-supported property if the Type-C connector has power delivery
support.

Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx>
---
.../devicetree/bindings/connector/usb-connector.yaml | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
index 92b49bc37939..8ed271feea08 100644
--- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
+++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
@@ -111,6 +111,10 @@ properties:
- 1.5A
- 3.0A
+ pd-supported:

I think that would have to be a property indicating that pd is _not_
supported, for compatibility reasons. Otherwise all existing bindings
would indicate that pd is not supported.

+ description: Set this property if the Type-C connector has power delivery support.
+ type: boolean
+
# The following are optional properties for "usb-c-connector" with power
# delivery support.
source-pdos:
@@ -312,6 +316,7 @@ examples:
label = "USB-C";
power-role = "dual";
try-power-role = "sink";
+ pd-supported;
source-pdos = <PDO_FIXED(5000, 2000, PDO_FIXED_USB_COMM)>;
sink-pdos = <PDO_FIXED(5000, 2000, PDO_FIXED_USB_COMM)
PDO_VAR(5000, 12000, 2000)>;