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Message-Id: <20251208-ipq5018-wifi-v6-2-d0ce2facaa5f@outlook.com>
Date: Mon, 08 Dec 2025 16:25:34 +0400
From: George Moussalem via B4 Relay <devnull+george.moussalem.outlook.com@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Manikanta Mylavarapu <quic_mmanikan@...cinc.com>,
Jassi Brar <jassisinghbrar@...il.com>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
Gokul Sriram Palanisamy <quic_gokulsri@...cinc.com>,
Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH v6 2/8] dt-bindings: remoteproc: qcom: document hexagon
based WCSS secure PIL
From: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
Add new binding document for hexagon based WCSS secure PIL remoteproc.
IPQ5018, IPQ5332, IPQ5424 and IPQ9574 follow secure PIL remoteproc.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@...cinc.com>
---
.../bindings/remoteproc/qcom,wcss-sec-pil.yaml | 176 +++++++++++++++++++++
1 file changed, 176 insertions(+)
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcss-sec-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,wcss-sec-pil.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..ec454c070ba59e763edce5190c966e8608714eaf
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcss-sec-pil.yaml
@@ -0,0 +1,176 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/qcom,wcss-sec-pil.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm WCSS Secure Peripheral Image Loader
+
+maintainers:
+ - Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
+
+description:
+ Wireless Connectivity Subsystem (WCSS) Secure Peripheral Image Loader loads
+ firmware and power up QDSP6 remoteproc on the Qualcomm IPQ series SoC.
+
+properties:
+ compatible:
+ enum:
+ - qcom,ipq5018-wcss-sec-pil
+ - qcom,ipq5332-wcss-sec-pil
+ - qcom,ipq5424-wcss-sec-pil
+ - qcom,ipq9574-wcss-sec-pil
+
+ reg:
+ maxItems: 1
+
+ firmware-name:
+ maxItems: 1
+ description: Firmware name for the Hexagon core
+
+ interrupts:
+ items:
+ - description: Watchdog interrupt
+ - description: Fatal interrupt
+ - description: Ready interrupt
+ - description: Handover interrupt
+ - description: Stop acknowledge interrupt
+
+ interrupt-names:
+ items:
+ - const: wdog
+ - const: fatal
+ - const: ready
+ - const: handover
+ - const: stop-ack
+
+ clocks:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+
+ clock-names:
+ $ref: /schemas/types.yaml#/definitions/string-array
+
+ mboxes:
+ items:
+ - description: A phandle to the TMECom mailbox device node
+
+ qcom,smem-states:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description: States used by the AP to signal the remote processor
+ items:
+ - description: Stop Q6
+ - description: Shutdown Q6
+
+ qcom,smem-state-names:
+ description:
+ Names of the states used by the AP to signal the remote processor
+ items:
+ - const: stop
+ - const: shutdown
+
+ memory-region:
+ items:
+ - description: Q6 reserved region
+
+ glink-edge:
+ $ref: /schemas/remoteproc/qcom,glink-edge.yaml#
+ description:
+ Qualcomm G-Link subnode which represents communication edge, channels
+ and devices related to the Modem.
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - firmware-name
+ - interrupts
+ - interrupt-names
+ - qcom,smem-states
+ - qcom,smem-state-names
+ - memory-region
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,ipq5018-wcss-sec-pil
+ then:
+ properties:
+ clocks:
+ items:
+ - description: sleep clock
+ - description: AHB interconnect clock
+ clock-names:
+ items:
+ - const: sleep
+ - const: interconnect
+ required:
+ - clocks
+ - clock-names
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,ipq5332-wcss-sec-pil
+ then:
+ properties:
+ clocks:
+ items:
+ - description: sleep clock
+ clock-names:
+ items:
+ - const: sleep
+ required:
+ - clocks
+ - clock-names
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq5424-wcss-sec-pil
+ - qcom,ipq9574-wcss-sec-pil
+ then:
+ properties:
+ clocks: false
+ clock-names: false
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/qcom,ipq5424-gcc.h>
+ remoteproc@...0000 {
+ compatible = "qcom,ipq5424-wcss-sec-pil";
+ reg = <0x0d100000 0x4040>;
+ firmware-name = "ath12k/IPQ5424/hw1.0/q6_fw0.mbn";
+ interrupts-extended = <&intc GIC_SPI 508 IRQ_TYPE_EDGE_RISING>,
+ <&wcss_smp2p_in 0 IRQ_TYPE_NONE>,
+ <&wcss_smp2p_in 1 IRQ_TYPE_NONE>,
+ <&wcss_smp2p_in 2 IRQ_TYPE_NONE>,
+ <&wcss_smp2p_in 3 IRQ_TYPE_NONE>;
+ interrupt-names = "wdog",
+ "fatal",
+ "ready",
+ "handover",
+ "stop-ack";
+
+ mboxes = <&tmel_qmp 0>;
+ qcom,smem-states = <&wcss_smp2p_out 1>,
+ <&wcss_smp2p_out 0>;
+ qcom,smem-state-names = "stop",
+ "shutdown";
+
+ memory-region = <&q6_region>;
+
+ glink-edge {
+ interrupts = <GIC_SPI 500 IRQ_TYPE_EDGE_RISING>;
+ label = "rtr";
+ qcom,remote-pid = <1>;
+ mboxes = <&apcs_glb 8>;
+ };
+ };
--
2.52.0
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