Thread (19 messages) flat view 19 messages, 2 authors, 2021-07-13

Re: [PATCH v2 02/13] dt-bindings: usb: mtu3: add optional property to disable usb2 ports

From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2021-07-13 09:00:50
Also in: linux-devicetree, linux-mediatek, linux-usb, lkml

On Mon, 2021-07-12 at 13:08 -0600, Rob Herring wrote:
On Fri, Jun 18, 2021 at 05:29:07PM +0800, Chunfeng Yun wrote:
quoted
Add support to disable specific usb2 host ports, it's useful when
a usb2 port is disabled on some platforms, but enabled on others for
the same SoC, another case is that the different package may support
different number of ports.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2: no changes
---
 Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml | 6 ++++++
 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
index 2cac7a87ce36..3e6f2750f48d 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
@@ -166,6 +166,12 @@ properties:
     description: The mask to disable u3ports, bit0 for u3port0,
       bit1 for u3port1, ... etc
 
+  mediatek,u2p-dis-msk:
Just spell out 'mask'.
There is already a property "mediatek,u3p-dis-msk", prefer to use the
same format, thanks
quoted
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: The mask to disable u2ports, bit0 for u2port0,
+      bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode
+      is enabled, so will be skipped in this case.
+
 # Required child node when support dual-role
 patternProperties:
   "^usb@[0-9a-f]+$":
-- 
2.18.0
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