[PATCH v4 0/2] Add support for remoteprocs on Milos SoC

[PATCH v4 0/2] Add support for remoteprocs on Milos SoC

[Luca Weiss]

Add the bindings and driver for the ADSP, CDSP, MPSS and WPSS on the
Milos SoC.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
---
Changes in v4:
- Rebase on linux-next to fix conflicts
- Link to v3: https://lore.kernel.org/r/20250709-sm7635-remoteprocs-v3-0-c943be976180@fairphone.com

Changes in v3:
- Rebrand SM7635 to Milos as requested: https://lore.kernel.org/linux-arm-msm/aGMI1Zv6D+K+vWZL@hu-bjorande-lv.qualcomm.com/
- Replace additions to two different bindings by one new binding yaml
- Pick up tags
- Link to v2: https://lore.kernel.org/r/20250627-sm7635-remoteprocs-v2-0-0fa518f8bf6d@fairphone.com

Changes in v2:
- Update default firmware names from .mdt to .mbn
- Link to v1: https://lore.kernel.org/r/20250625-sm7635-remoteprocs-v1-0-730d6b5171ee@fairphone.com

---
Luca Weiss (2):
      dt-bindings: remoteproc: qcom,milos-pas: Document remoteprocs
      remoteproc: qcom: pas: Add Milos remoteproc support

 .../bindings/remoteproc/qcom,milos-pas.yaml        | 201 +++++++++++++++++++++
 drivers/remoteproc/qcom_q6v5_pas.c                 |  24 +++
 2 files changed, 225 insertions(+)
---
base-commit: 87a9e300217e33b2388b9c1ffe99ec454eb6e983
change-id: 20250620-sm7635-remoteprocs-149da64084b8

Best regards,
-- 
Luca Weiss <luca.weiss@fairphone.com>

[PATCH v4 1/2] dt-bindings: remoteproc: qcom,milos-pas: Document remoteprocs

[Luca Weiss]

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@fairphone.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@fairphone.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@3000000 {
+        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>;
+
+            /* ... */
+        };
+    };

-- 
2.51.0

Re: [PATCH v4 1/2] dt-bindings: remoteproc: qcom,milos-pas: Document remoteprocs

[Rob Herring]

On Fri, Sep 05, 2025 at 11:37:04AM +0200, Luca Weiss wrote:
> 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@fairphone.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@fairphone.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

Drop. Already has a type.

> +    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

Max is already 2. Drop.

> +        firmware-name:
> +          minItems: 2
> +          maxItems: 2

Max is already 2. Drop.

> +    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@3000000 {
> +        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>;
> +
> +            /* ... */
> +        };
> +    };
> 
> -- 
> 2.51.0
> 

[PATCH v4 2/2] remoteproc: qcom: pas: Add Milos remoteproc support

[Luca Weiss]

Add the different remoteprocs found on the Milos SoC: ADSP, CDSP, MPSS
and WPSS.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
---
 drivers/remoteproc/qcom_q6v5_pas.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 55a7da801183d54569452dbb48041fdc52bf9234..be4edd0c3eeefb80d3b25a48f6dfe0b7590bc624 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -1255,6 +1255,26 @@ static const struct qcom_pas_data sdx55_mpss_resource = {
 	.ssctl_id = 0x22,
 };
 
+static const struct qcom_pas_data milos_cdsp_resource = {
+	.crash_reason_smem = 601,
+	.firmware_name = "cdsp.mbn",
+	.dtb_firmware_name = "cdsp_dtb.mbn",
+	.pas_id = 18,
+	.dtb_pas_id = 0x25,
+	.minidump_id = 7,
+	.auto_boot = true,
+	.proxy_pd_names = (char*[]){
+		"cx",
+		"mx",
+		NULL
+	},
+	.load_state = "cdsp",
+	.ssr_name = "cdsp",
+	.sysmon_name = "cdsp",
+	.ssctl_id = 0x17,
+	.smem_host_id = 5,
+};
+
 static const struct qcom_pas_data sm8450_mpss_resource = {
 	.crash_reason_smem = 421,
 	.firmware_name = "modem.mdt",
@@ -1429,6 +1449,10 @@ static const struct qcom_pas_data sm8750_mpss_resource = {
 };
 
 static const struct of_device_id qcom_pas_of_match[] = {
+	{ .compatible = "qcom,milos-adsp-pas", .data = &sm8550_adsp_resource},
+	{ .compatible = "qcom,milos-cdsp-pas", .data = &milos_cdsp_resource},
+	{ .compatible = "qcom,milos-mpss-pas", .data = &sm8450_mpss_resource},
+	{ .compatible = "qcom,milos-wpss-pas", .data = &sc7280_wpss_resource},
 	{ .compatible = "qcom,msm8226-adsp-pil", .data = &msm8996_adsp_resource},
 	{ .compatible = "qcom,msm8953-adsp-pil", .data = &msm8996_adsp_resource},
 	{ .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},

-- 
2.51.0

Re: [PATCH v4 2/2] remoteproc: qcom: pas: Add Milos remoteproc support

[Dmitry Baryshkov]

On Fri, Sep 05, 2025 at 11:37:05AM +0200, Luca Weiss wrote:
> Add the different remoteprocs found on the Milos SoC: ADSP, CDSP, MPSS
> and WPSS.
> 
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> ---
>  drivers/remoteproc/qcom_q6v5_pas.c | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry