* [PATCH] scsi: ufs: dt-bindings: Add missing mcq reg for qcom,sa8255p-ufshc
@ 2026-07-16 8:33 Shawn Guo
2026-07-16 9:18 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Shawn Guo @ 2026-07-16 8:33 UTC (permalink / raw)
To: Martin K . Petersen
Cc: Manivannan Sadhasivam, Alim Akhtar, Avri Altman, Bart Van Assche,
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Kumar Dwivedi,
Anjana Hari, linux-arm-msm, linux-scsi, devicetree, linux-kernel,
Shawn Guo, stable
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] scsi: ufs: dt-bindings: Add missing mcq reg for qcom,sa8255p-ufshc
2026-07-16 8:33 [PATCH] scsi: ufs: dt-bindings: Add missing mcq reg for qcom,sa8255p-ufshc Shawn Guo
@ 2026-07-16 9:18 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2026-07-16 9:18 UTC (permalink / raw)
To: Martin K . Petersen
Cc: Manivannan Sadhasivam, Alim Akhtar, Avri Altman, Bart Van Assche,
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Kumar Dwivedi,
Anjana Hari, linux-arm-msm, linux-scsi, devicetree, linux-kernel,
stable
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
>
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