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[98.57.15.22]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-6597ea6807esm8588826eaf.0.2025.12.09.16.37.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Dec 2025 16:37:42 -0800 (PST) From: Alexandru Gagniuc To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, Bjorn Andersson , Konrad Dybcio Cc: mathieu.poirier@linaro.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandru Gagniuc Subject: [PATCH RFC 3/3] arm64: dts: qcom: ipq8074: add remoteproc nodes Date: Tue, 9 Dec 2025 18:37:25 -0600 Message-ID: <20251210003729.3909663-4-mr.nuke.me@gmail.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20251210003729.3909663-1-mr.nuke.me@gmail.com> References: <20251210003729.3909663-1-mr.nuke.me@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the nodes for the WCSS remoteproc loader on IPQ8074, so that there a use case for the DT bindings. GCC_WCSSAON_RESET is not implemented by the GCC reset controller, so use a placeholder value for now. Leave the node disabled so that remoteproc doesn't start up with the missing reset. Signed-off-by: Alexandru Gagniuc --- arch/arm64/boot/dts/qcom/ipq8074.dtsi | 79 +++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qc= om/ipq8074.dtsi index 256e12cf6d544..86369fa680553 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi @@ -108,6 +108,11 @@ memory@4ac00000 { reg =3D <0x0 0x4ac00000 0x0 0x400000>; no-map; }; + + q6_region: wcnss@4b000000 { + reg =3D <0x0 0x4b000000 0x0 0x03700000>; + no-map; + }; }; =20 firmware { @@ -390,6 +395,11 @@ tcsr: syscon@1937000 { reg =3D <0x01937000 0x21000>; }; =20 + tcsr_q6: syscon@1945000 { + compatible =3D "qcom,tcsr-ipq8074", "syscon"; + reg =3D <0x01945000 0xe000>; + }; + spmi_bus: spmi@200f000 { compatible =3D "qcom,spmi-pmic-arb"; reg =3D <0x0200f000 0x001000>, @@ -1003,6 +1013,50 @@ pcie@0 { ranges; }; }; + + q6v5_wcss: remoteproc@cd00000 { + compatible =3D "qcom,ipq8074-wcss-pil"; + reg =3D <0x0cd00000 0x4040>, + <0x004ab000 0x20>; + reg-names =3D "qdsp6", + "rmb"; + + interrupts-extended =3D <&intc GIC_SPI 325 IRQ_TYPE_EDGE_RISING>, + <&wcss_smp2p_in 0 0>, + <&wcss_smp2p_in 1 0>, + <&wcss_smp2p_in 2 0>, + <&wcss_smp2p_in 3 0>; + interrupt-names =3D "wdog", + "fatal", + "ready", + "handover", + "stop-ack"; + + resets =3D <&gcc 0xffff>, /* GCC_WCSSAON_RESET */ + <&gcc GCC_WCSS_BCR>, + <&gcc GCC_WCSS_Q6_BCR>; + + reset-names =3D "wcss_aon_reset", + "wcss_reset", + "wcss_q6_reset"; + + memory-region =3D <&q6_region>; + qcom,halt-regs =3D <&tcsr_q6 0xa000 0xd000 0x0>; + + qcom,smem-states =3D <&wcss_smp2p_out 0>, + <&wcss_smp2p_out 1>; + qcom,smem-state-names =3D "shutdown", + "stop"; + + status =3D "disabled"; + + glink-edge { + interrupts =3D ; + label =3D "rtr"; + qcom,remote-pid =3D <1>; + mboxes =3D <&apcs_glb 8>; + }; + }; }; =20 timer { @@ -1182,4 +1236,29 @@ wcss-phyb1-crit { }; }; }; + + wcss: smp2p-wcss { + compatible =3D "qcom,smp2p"; + qcom,smem =3D <435>, <428>; + + interrupt-parent =3D <&intc>; + interrupts =3D ; + + mboxes =3D <&apcs_glb 9>; + + qcom,local-pid =3D <0>; + qcom,remote-pid =3D <1>; + + wcss_smp2p_out: master-kernel { + qcom,entry-name =3D "master-kernel"; + #qcom,smem-state-cells =3D <1>; + }; + + wcss_smp2p_in: slave-kernel { + qcom,entry-name =3D "slave-kernel"; + + interrupt-controller; + #interrupt-cells =3D <2>; + }; + }; }; --=20 2.45.1