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Message-Id: <20250709-sm7635-remoteprocs-v3-1-c943be976180@fairphone.com>
Date: Wed, 09 Jul 2025 13:13:07 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: Bjorn Andersson <andersson@...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>, Manivannan Sadhasivam <mani@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v3 1/2] dt-bindings: remoteproc: qcom,milos-pas: Document
remoteprocs
Document the bindings for the ADSP, CDSP, MPSS and WPSS PAS on the Milos
(e.g. SM7635) SoC.
Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
.../bindings/remoteproc/qcom,milos-pas.yaml | 201 +++++++++++++++++++++
1 file changed, 201 insertions(+)
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,milos-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,milos-pas.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..790ad38a0330bf81f6333e887522ddb97690edbc
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,milos-pas.yaml
@@ -0,0 +1,201 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/qcom,milos-pas.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Milos SoC Peripheral Authentication Service
+
+maintainers:
+ - Luca Weiss <luca.weiss@...rphone.com>
+
+description:
+ Qualcomm Milos SoC Peripheral Authentication Service loads and boots firmware
+ on the Qualcomm DSP Hexagon cores.
+
+properties:
+ compatible:
+ enum:
+ - qcom,milos-adsp-pas
+ - qcom,milos-cdsp-pas
+ - qcom,milos-mpss-pas
+ - qcom,milos-wpss-pas
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: XO clock
+
+ clock-names:
+ items:
+ - const: xo
+
+ interrupts:
+ minItems: 6
+ maxItems: 6
+
+ interrupt-names:
+ minItems: 6
+ maxItems: 6
+
+ qcom,qmp:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: Reference to the AOSS side-channel message RAM.
+
+ smd-edge: false
+
+ firmware-name:
+ $ref: /schemas/types.yaml#/definitions/string-array
+ minItems: 1
+ items:
+ - description: Firmware name of the Hexagon core
+ - description: Firmware name of the Hexagon Devicetree
+
+ memory-region:
+ minItems: 1
+ items:
+ - description: Memory region for core Firmware authentication
+ - description: Memory region for Devicetree Firmware authentication
+
+required:
+ - compatible
+ - reg
+ - memory-region
+
+allOf:
+ - $ref: /schemas/remoteproc/qcom,pas-common.yaml#
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,milos-adsp-pas
+ - qcom,milos-cdsp-pas
+ then:
+ properties:
+ memory-region:
+ minItems: 2
+ maxItems: 2
+ firmware-name:
+ minItems: 2
+ maxItems: 2
+ else:
+ properties:
+ memory-region:
+ maxItems: 1
+ firmware-name:
+ maxItems: 1
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,milos-adsp-pas
+ then:
+ properties:
+ power-domains:
+ items:
+ - description: LCX power domain
+ - description: LMX power domain
+ power-domain-names:
+ items:
+ - const: lcx
+ - const: lmx
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,milos-cdsp-pas
+ - qcom,milos-wpss-pas
+ then:
+ properties:
+ power-domains:
+ items:
+ - description: CX power domain
+ - description: MX power domain
+ power-domain-names:
+ items:
+ - const: cx
+ - const: mx
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - qcom,milos-mpss-pas
+ then:
+ properties:
+ power-domains:
+ items:
+ - description: CX power domain
+ - description: MSS power domain
+ power-domain-names:
+ items:
+ - const: cx
+ - const: mss
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/interconnect/qcom,icc.h>
+ #include <dt-bindings/interconnect/qcom,milos-rpmh.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/mailbox/qcom-ipcc.h>
+ #include <dt-bindings/power/qcom,rpmhpd.h>
+
+ remoteproc@...0000 {
+ compatible = "qcom,milos-adsp-pas";
+ reg = <0x03000000 0x10000>;
+
+ interrupts-extended = <&pdc 6 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_adsp_in 0 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_adsp_in 1 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_adsp_in 2 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_adsp_in 3 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_adsp_in 7 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "wdog",
+ "fatal",
+ "ready",
+ "handover",
+ "stop-ack",
+ "shutdown-ack";
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "xo";
+
+ power-domains = <&rpmhpd RPMHPD_LCX>,
+ <&rpmhpd RPMHPD_LMX>;
+ power-domain-names = "lcx",
+ "lmx";
+
+ interconnects = <&lpass_ag_noc MASTER_LPASS_PROC QCOM_ICC_TAG_ALWAYS
+ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
+
+ memory-region = <&adspslpi_mem>, <&q6_adsp_dtb_mem>;
+
+ firmware-name = "qcom/milos/vendor/device/adsp.mbn",
+ "qcom/milos/vendor/device/adsp_dtb.mbn";
+
+ qcom,qmp = <&aoss_qmp>;
+
+ qcom,smem-states = <&smp2p_adsp_out 0>;
+ qcom,smem-state-names = "stop";
+
+ glink-edge {
+ interrupts-extended = <&ipcc IPCC_CLIENT_LPASS
+ IPCC_MPROC_SIGNAL_GLINK_QMP
+ IRQ_TYPE_EDGE_RISING>;
+ mboxes = <&ipcc IPCC_CLIENT_LPASS
+ IPCC_MPROC_SIGNAL_GLINK_QMP>;
+
+ label = "lpass";
+ qcom,remote-pid = <2>;
+
+ /* ... */
+ };
+ };
--
2.50.0
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