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Thu, 13 Aug 2026 04:26:15 -0700 (PDT) Received: from hu-vishsant-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cbef7234a87sm826692a12.29.2026.08.13.04.26.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2026 04:26:14 -0700 (PDT) From: Vishnu Santhosh Date: Thu, 13 Aug 2026 16:55:54 +0530 Subject: [PATCH v3] dt-bindings: remoteproc: qcom,shikra-pas: Allow bam-dmux subnode Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260813-shikra-pas-bam-dmux-binding-v3-1-167a3fb50d21@oss.qualcomm.com> X-B4-Tracking: v=1; b=H4sIAMGpfWoC/43NTQ6CMBCG4auYrh1Cy0+LK+9hXJS2wERbsBWCI dzdwsqFMW4meWfxfAsJxqMJ5HRYiDcTBuxdjOx4IKqTrjWAOjZhKStTzjiEDm9ewiAD1NKCtuM MNTqNrgUmZFk3FRcFVyQKgzcNzrt+ucbuMDx7/9rHJrp9/3MnChRUSotKcZUZnZ/7EJLHKO+qt zaJh2z8xD7J6jfJIqlF0RgpckVz+oVc1/UNDOTOzCABAAA= X-Change-ID: 20260727-shikra-pas-bam-dmux-binding-28a6bf97857c To: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kumar Patro , Komal Bajaj Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Deepak Kumar Singh , Vishnu Santhosh X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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Retarget the example to qcom,shikra-mpss-pas so the new subnode is exercised by dt_binding_check. Co-developed-by: Deepak Kumar Singh Signed-off-by: Deepak Kumar Singh Signed-off-by: Vishnu Santhosh --- Changes in v3: - Reword commit message to keep it scoped to the binding change.=20 - Retarget the example to qcom,shikra-mpss-pas and add a bam-dmux child. - Link to v2: https://lore.kernel.org/r/20260729-shikra-pas-bam-dmux-bindin= g-v2-1-d85fea84c141@oss.qualcomm.com Changes in v2: - Restrict bam-dmux to the qcom,shikra-mpss-pas compatible. - Link to v1: https://lore.kernel.org/r/20260727-shikra-pas-bam-dmux-bindin= g-v1-1-c0159c7c3ed4@oss.qualcomm.com --- .../bindings/remoteproc/qcom,shikra-pas.yaml | 61 ++++++++++++++++--= ---- 1 file changed, 45 insertions(+), 16 deletions(-) diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,shikra-pas.y= aml b/Documentation/devicetree/bindings/remoteproc/qcom,shikra-pas.yaml index 253b14eb2b598f0ca91854c8ff4d0b785090e621..dd779b595677c0aa58708b4fde7= 25e64d8918434 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,shikra-pas.yaml +++ b/Documentation/devicetree/bindings/remoteproc/qcom,shikra-pas.yaml @@ -44,6 +44,11 @@ properties: - description: Firmware name of the Hexagon core - description: Firmware name of the Hexagon Devicetree =20 + bam-dmux: + $ref: /schemas/net/qcom,bam-dmux.yaml# + description: + Qualcomm BAM Data Multiplexer (provides network interface to the mod= em) + glink-edge: $ref: /schemas/remoteproc/qcom,glink-edge.yaml# description: @@ -117,6 +122,16 @@ allOf: power-domains: false power-domain-names: false =20 + - if: + properties: + compatible: + enum: + - qcom,shikra-cdsp-pas + - qcom,shikra-lpaicp-pas + then: + properties: + bam-dmux: false + unevaluatedProperties: false =20 examples: @@ -129,16 +144,16 @@ examples: #include #include =20 - remoteproc@b300000 { - compatible =3D "qcom,shikra-cdsp-pas"; - reg =3D <0x0b300000 0x100000>; + remoteproc@6080000 { + compatible =3D "qcom,shikra-mpss-pas"; + reg =3D <0x06080000 0x100>; =20 - interrupts-extended =3D <&intc GIC_SPI 265 IRQ_TYPE_EDGE_RISING>, - <&cdsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>, - <&cdsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>, - <&cdsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>, - <&cdsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>, - <&cdsp_smp2p_in 7 IRQ_TYPE_EDGE_RISING>; + interrupts-extended =3D <&intc GIC_SPI 307 IRQ_TYPE_EDGE_RISING>, + <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>, + <&modem_smp2p_in 1 IRQ_TYPE_EDGE_RISING>, + <&modem_smp2p_in 2 IRQ_TYPE_EDGE_RISING>, + <&modem_smp2p_in 3 IRQ_TYPE_EDGE_RISING>, + <&modem_smp2p_in 7 IRQ_TYPE_EDGE_RISING>; interrupt-names =3D "wdog", "fatal", "ready", "handover", "stop-ack", "shutdown-ack"; =20 @@ -151,17 +166,31 @@ examples: power-domains =3D <&rpmpd RPMHPD_CX>; power-domain-names =3D "cx"; =20 - memory-region =3D <&cdsp_mem>; + memory-region =3D <&mpss_wlan_mem>; =20 - qcom,smem-states =3D <&cdsp_smp2p_out 0>; + qcom,smem-states =3D <&modem_smp2p_out 0>; qcom,smem-state-names =3D "stop"; =20 - firmware-name =3D "qcom/shikra/cdsp.mbn"; + firmware-name =3D "qcom/shikra/modem.mbn"; =20 glink-edge { - interrupts =3D ; - mboxes =3D <&apcs_glb 4>; - qcom,remote-pid =3D <5>; - label =3D "cdsp"; + interrupts =3D ; + mboxes =3D <&apcs_glb 12>; + qcom,remote-pid =3D <1>; + label =3D "mpss"; + }; + + bam-dmux { + compatible =3D "qcom,bam-dmux"; + + interrupt-parent =3D <&modem_smsm>; + interrupts =3D <1 IRQ_TYPE_EDGE_BOTH>, <11 IRQ_TYPE_EDGE_BOTH>; + interrupt-names =3D "pc", "pc-ack"; + + qcom,smem-states =3D <&apps_smsm 1>, <&apps_smsm 11>; + qcom,smem-state-names =3D "pc", "pc-ack"; + + dmas =3D <&bam_dmux_dma 4>, <&bam_dmux_dma 5>; + dma-names =3D "tx", "rx"; }; }; --- base-commit: 3d6d817622b0a9721e3cc404df3469171582be13 change-id: 20260727-shikra-pas-bam-dmux-binding-28a6bf97857c Best regards, --=20 Vishnu Santhosh