[PATCH v2] dt-bindings: arm-smmu: Add compatible for Qualcomm Nord SoC

Shawn Guo posted 1 patch 1 month, 3 weeks ago
There is a newer version of this series
Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 1 +
1 file changed, 1 insertion(+)
[PATCH v2] dt-bindings: arm-smmu: Add compatible for Qualcomm Nord SoC
Posted by Shawn Guo 1 month, 3 weeks ago
Document APPS SMMU on Qualcomm Nord SoC which is compatible with
'qcom,smmu-500'.

Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
---
Changes in v2:
 - Improve commit log to make the compatibility explicit
 - Link to v1: https://lore.kernel.org/all/20260420022452.1239665-1-shengchao.guo@oss.qualcomm.com/

 Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 06fb5c8e7547..bf29e453058f 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -39,6 +39,7 @@ properties:
               - qcom,glymur-smmu-500
               - qcom,kaanapali-smmu-500
               - qcom,milos-smmu-500
+              - qcom,nord-smmu-500
               - qcom,qcm2290-smmu-500
               - qcom,qcs615-smmu-500
               - qcom,qcs8300-smmu-500
-- 
2.43.0
Re: [PATCH v2] dt-bindings: arm-smmu: Add compatible for Qualcomm Nord SoC
Posted by Krzysztof Kozlowski 1 month, 2 weeks ago
On Mon, Apr 27, 2026 at 09:17:28AM +0800, Shawn Guo wrote:
> Document APPS SMMU on Qualcomm Nord SoC which is compatible with

What is APPS?

> 'qcom,smmu-500'.

What is qcom,smmu-500? And which one? Adreno or not-Adreno? Please do
not add any obvious parts to commit msg.

Best regards,
Krzysztof
Re: [PATCH v2] dt-bindings: arm-smmu: Add compatible for Qualcomm Nord SoC
Posted by Shawn Guo 1 month, 2 weeks ago
On Tue, Apr 28, 2026 at 08:20:35AM +0200, Krzysztof Kozlowski wrote:
> On Mon, Apr 27, 2026 at 09:17:28AM +0800, Shawn Guo wrote:
> > Document APPS SMMU on Qualcomm Nord SoC which is compatible with
> 
> What is APPS?

Should be APSS.  Thanks for spotting it!

> 
> > 'qcom,smmu-500'.
> 
> What is qcom,smmu-500? And which one? Adreno or not-Adreno? Please do
> not add any obvious parts to commit msg.

Will drop it.

Shawn
Re: [PATCH v2] dt-bindings: arm-smmu: Add compatible for Qualcomm Nord SoC
Posted by Krzysztof Kozlowski 1 month, 2 weeks ago
On 28/04/2026 14:57, Shawn Guo wrote:
> On Tue, Apr 28, 2026 at 08:20:35AM +0200, Krzysztof Kozlowski wrote:
>> On Mon, Apr 27, 2026 at 09:17:28AM +0800, Shawn Guo wrote:
>>> Document APPS SMMU on Qualcomm Nord SoC which is compatible with
>>
>> What is APPS?
> 
> Should be APSS.  Thanks for spotting it!

True, but what is APSS? Maybe you meant AP, which I think is known to
most of the audience. Qualcomm names are not known outside of Qualcomm,
so question stays.

Best regards,
Krzysztof
Re: [PATCH v2] dt-bindings: arm-smmu: Add compatible for Qualcomm Nord SoC
Posted by Shawn Guo 1 month, 2 weeks ago
On Tue, Apr 28, 2026 at 03:02:13PM +0200, Krzysztof Kozlowski wrote:
> On 28/04/2026 14:57, Shawn Guo wrote:
> > On Tue, Apr 28, 2026 at 08:20:35AM +0200, Krzysztof Kozlowski wrote:
> >> On Mon, Apr 27, 2026 at 09:17:28AM +0800, Shawn Guo wrote:
> >>> Document APPS SMMU on Qualcomm Nord SoC which is compatible with
> >>
> >> What is APPS?
> > 
> > Should be APSS.  Thanks for spotting it!
> 
> True, but what is APSS? Maybe you meant AP, which I think is known to
> most of the audience. Qualcomm names are not known outside of Qualcomm,
> so question stays.

Ah, I will expand it to Applications Processor Subsystem.

Shawn