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charset="utf-8" The Hawi and Maili MPSS blocks are fully compatible with the SM8650 MPSS with identical interrupt, memory-region, and power-domain topologies, so they should ideally fall back to the SM8650 compatible. Introduce a fallback items block that pairs qcom,hawi-mpss-pas and qcom,maili-mpss-pas with qcom,sm8650-mpss-pas. Switch the mpss memory-region and power-domain allOf blocks from enum: to contains: so the constraints apply whether the compatible appears in the standalone form or as part of a fallback array. Signed-off-by: Mukesh Ojha Acked-by: Manivannan Sadhasivam Reviewed-by: Krzysztof Kozlowski --- .../bindings/remoteproc/qcom,sm8550-pas.yaml | 23 ++++++++++++------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.y= aml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml index c58e8a6c7fe1..ae74aa4bb6cd 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml @@ -47,6 +47,11 @@ properties: - items: - const: qcom,sm8750-cdsp-pas - const: qcom,sm8650-cdsp-pas + - items: + - enum: + - qcom,hawi-mpss-pas + - qcom,maili-mpss-pas + - const: qcom,sm8650-mpss-pas =20 reg: maxItems: 1 @@ -203,9 +208,10 @@ allOf: - if: properties: compatible: - enum: - - qcom,sdx75-mpss-pas - - qcom,sm8650-mpss-pas + contains: + enum: + - qcom,sdx75-mpss-pas + - qcom,sm8650-mpss-pas then: properties: interrupts: @@ -253,11 +259,12 @@ allOf: - if: properties: compatible: - enum: - - qcom,sdx75-mpss-pas - - qcom,sm8550-mpss-pas - - qcom,sm8650-mpss-pas - - qcom,sm8750-mpss-pas + contains: + enum: + - qcom,sdx75-mpss-pas + - qcom,sm8550-mpss-pas + - qcom,sm8650-mpss-pas + - qcom,sm8750-mpss-pas then: properties: power-domains: --=20 2.53.0 From nobody Sat Oct 3 08:12:03 2026 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 85948471D01 for ; 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charset="utf-8" The SDX75 MPSS is an instance of the SM8650 MPSS: same interrupts, memory regions and power domain topology. It is currently modelled as a standalone compatible and lives alongside sm8650 in every mpss allOf conditional, which duplicates the constraint and hides the hardware relationship. Move qcom,sdx75-mpss-pas out of the standalone enum into the fallback items block alongside Hawi and Maili, and drop it from the mpss memory-region and power-domain conditional lists. contains: on the fallback compatible qcom,sm8650-mpss-pas keeps the constraints firing for the array form. Two consequences of the tightening are worth calling out: - qcom,sdx75-mpss-pas as a single-string compatible is no longer valid per the binding, so the in-tree sdx75.dtsi form fails dt_binding_check. That is fixed by the follow-up DTS patch which switches sdx75.dtsi to the fallback array form. - The driver keeps its standalone qcom,sdx75-mpss-pas of_match entry so already-deployed DTBs continue to probe. The binding is intentionally stricter than the driver here; pruning the driver match is left as a separate cleanup once the DTB rollout is complete. Signed-off-by: Mukesh Ojha Acked-by: Manivannan Sadhasivam Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.y= aml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml index ae74aa4bb6cd..f722c55aadf4 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml @@ -18,7 +18,6 @@ properties: oneOf: - enum: - qcom,eliza-cdsp-pas - - qcom,sdx75-mpss-pas - qcom,sm8550-adsp-pas - qcom,sm8550-cdsp-pas - qcom,sm8550-mpss-pas @@ -51,6 +50,7 @@ properties: - enum: - qcom,hawi-mpss-pas - qcom,maili-mpss-pas + - qcom,sdx75-mpss-pas - const: qcom,sm8650-mpss-pas =20 reg: @@ -210,7 +210,6 @@ allOf: compatible: contains: enum: - - qcom,sdx75-mpss-pas - qcom,sm8650-mpss-pas then: properties: @@ -261,7 +260,6 @@ allOf: compatible: contains: enum: - - qcom,sdx75-mpss-pas - qcom,sm8550-mpss-pas - qcom,sm8650-mpss-pas - qcom,sm8750-mpss-pas --=20 2.53.0 From nobody Sat Oct 3 08:12:03 2026 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8FD9A471D1C for ; 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charset="utf-8" Following the dt-bindings change that expresses the SDX75 MPSS PAS as a SM8650 MPSS fallback, list the SM8650 compatible alongside the SDX75 one so the node validates against the updated schema. Reviewed-by: Dmitry Baryshkov Signed-off-by: Mukesh Ojha Reviewed-by: Krzysztof Kozlowski Reviewed-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/qcom/sdx75.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom= /sdx75.dtsi index 85cc9c6e6f83..dc9c4ed00d4b 100644 --- a/arch/arm64/boot/dts/qcom/sdx75.dtsi +++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi @@ -925,7 +925,8 @@ tcsr: syscon@1fc0000 { }; =20 remoteproc_mpss: remoteproc@4080000 { - compatible =3D "qcom,sdx75-mpss-pas"; + compatible =3D "qcom,sdx75-mpss-pas", + "qcom,sm8650-mpss-pas"; reg =3D <0 0x04080000 0 0x10000>; =20 interrupts-extended =3D <&intc GIC_SPI 250 IRQ_TYPE_EDGE_RISING>, --=20 2.53.0