Qualcomm UFS controller found on SoCs SA8255P/SA8797P has a MCQ I/O
address space. It should be defined in the bindings even though Linux
driver currently doesn't utilize it. Fix the binding before it gets
adopted by DTS.

Fixes: e2725ed2a7fb ("scsi: ufs: dt-bindings: Document bindings for SA8255P UFS Host Controller")
Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
---
 .../devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml    | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml b/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml
index db165a235cb6..bc8734e1fdea 100644
--- a/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml
+++ b/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml
@@ -16,9 +16,15 @@ properties:
       - items:
           - const: qcom,sa8797p-ufshc
           - const: qcom,sa8255p-ufshc
-
   reg:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
+
+  reg-names:
+    minItems: 1
+    items:
+      - const: std
+      - const: mcq
 
   interrupts:
     maxItems: 1
-- 
2.43.0

On Thu, Jul 16, 2026 at 04:33:13PM +0800, Shawn Guo wrote:
> Qualcomm UFS controller found on SoCs SA8255P/SA8797P has a MCQ I/O
> address space. It should be defined in the bindings even though Linux
> driver currently doesn't utilize it. Fix the binding before it gets
> adopted by DTS.
> 
> Fixes: e2725ed2a7fb ("scsi: ufs: dt-bindings: Document bindings for SA8255P UFS Host Controller")
> Cc: stable@vger.kernel.org
> Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
> ---
>  .../devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml    | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml b/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml
> index db165a235cb6..bc8734e1fdea 100644
> --- a/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml
> +++ b/Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml
> @@ -16,9 +16,15 @@ properties:
>        - items:
>            - const: qcom,sa8797p-ufshc
>            - const: qcom,sa8255p-ufshc
> -

Damn! This newline shouldn't be touched. Will fix.

Shawn

>    reg:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
> +
> +  reg-names:
> +    minItems: 1
> +    items:
> +      - const: std
> +      - const: mcq
>  
>    interrupts:
>      maxItems: 1
> -- 
> 2.43.0
>