Thread (19 messages) 19 messages, 3 authors, 2021-08-13

Re: [PATCH 02/11] dt-bindings: usb: mtk-xhci: add optional property to disable usb2 ports

From: Rob Herring <robh@kernel.org>
Date: 2021-08-06 20:41:21
Also in: linux-arm-kernel, linux-devicetree, linux-usb, lkml

On Fri, Jul 30, 2021 at 04:49:53PM +0800, Chunfeng Yun wrote:
quoted hunk ↗ jump to hunk
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>
---
 Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 5 +++++
 1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 49729aab6d1a..61a0e550b5d6 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -154,6 +154,11 @@ properties:
     description: The mask to disable u3ports, bit0 for u3port0,
       bit1 for u3port1, ... etc
 
+  mediatek,u2p-dis-msk:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: The mask to disable u2ports, bit0 for u2port0,
+      bit1 for u2port1, ... etc
You already have this property in the parent node, right? Why are we 
duplicating it in both places?

Rob

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