[PATCH v3 0/3] Add ADSP and CDSP support for Nord SoC

[PATCH v3 0/3] Add ADSP and CDSP support for Nord SoC

[Shawn Guo]

The series documents AOSS side channel, adds ADSP (HPASS DSP) and
4 CDSPs support for Nord SoC.

Nord SoC actually have 3 ADSPs. This series only enables ADSP0 which
can work independently. The rest two instances have dependencies on
ADSP0 regarding start/stop and SSR. And remoteproc framework doesn't
seem to support such "slave" instances yet.

Changes for v3:
- Fix qcom,nord-pas bindings to define "minItems: 3" for CDSPs with
  an else clause
- Link to v2: https://lore.kernel.org/all/20260724103848.233804-1-shengchao.guo@oss.qualcomm.com/

Changes for v2:
- Create a new qcom,nord-pas.yaml to cover Nord ADSP and CDSP
- Include CDSPs support into the series
- Link to v1: https://lore.kernel.org/all/20260709085149.4072181-1-shengchao.guo@oss.qualcomm.com/


Shawn Guo (3):
  dt-bindings: soc: qcom,aoss-qmp: Document Nord AOSS side channel
  dt-bindings: remoteproc: qcom,nord-pas: Document Nord PAS
  remoteproc: qcom: pas: Add Nord ADSP and CDSP support

 .../bindings/remoteproc/qcom,nord-pas.yaml    | 173 ++++++++++++++++++
 .../bindings/soc/qcom/qcom,aoss-qmp.yaml      |   1 +
 drivers/remoteproc/qcom_q6v5_pas.c            | 110 +++++++++++
 3 files changed, 284 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml

-- 
2.43.0

[PATCH v3 1/3] dt-bindings: soc: qcom,aoss-qmp: Document Nord AOSS side channel

[Shawn Guo]

Document Always-on Subsystem side channel on Qualcomm Nord SoC.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
---
 Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml
index 9f9d9bcb66c4..d2ae2ae87a95 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.yaml
@@ -31,6 +31,7 @@ properties:
           - qcom,kaanapali-aoss-qmp
           - qcom,maili-aoss-qmp
           - qcom,milos-aoss-qmp
+          - qcom,nord-aoss-qmp
           - qcom,qcs615-aoss-qmp
           - qcom,qcs8300-aoss-qmp
           - qcom,qdu1000-aoss-qmp
-- 
2.43.0

[PATCH v3 2/3] dt-bindings: remoteproc: qcom,nord-pas: Document Nord PAS

[Shawn Guo]

Add a dedicated binding for the Qualcomm Nord SoC PAS devices: ADSP
and CDSPs. Nord ADSP uses CX and MX power domains while the CDSPs
add an NSP domain on top of that.

Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
---
 .../bindings/remoteproc/qcom,nord-pas.yaml    | 173 ++++++++++++++++++
 1 file changed, 173 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml
new file mode 100644
index 000000000000..e90d2953ba69
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml
@@ -0,0 +1,173 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/qcom,nord-pas.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Nord SoC Peripheral Authentication Service
+
+maintainers:
+  - Shawn Guo <shengchao.guo@oss.qualcomm.com>
+
+description:
+  Qualcomm Nord SoC Peripheral Authentication Service loads and boots firmware
+  on the Qualcomm DSP Hexagon cores.
+
+properties:
+  compatible:
+    enum:
+      - qcom,nord-adsp-pas
+      - qcom,nord-cdsp0-pas
+      - qcom,nord-cdsp1-pas
+      - qcom,nord-cdsp2-pas
+      - qcom,nord-cdsp3-pas
+
+  power-domains:
+    minItems: 2
+    items:
+      - description: CX power domain
+      - description: MX power domain
+      - description: NSP power domain
+
+  power-domain-names:
+    minItems: 2
+    items:
+      - const: cx
+      - const: mx
+      - const: nsp
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: XO clock
+
+  clock-names:
+    items:
+      - const: xo
+
+  qcom,qmp:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Reference to the AOSS side-channel message RAM.
+
+  smd-edge: false
+
+  firmware-name:
+    items:
+      - description: Firmware name of the Hexagon core
+      - description: Firmware name of the Hexagon Devicetree
+
+  memory-region:
+    items:
+      - description: Memory region for main Firmware authentication
+      - description: Memory region for Devicetree Firmware authentication
+
+  interrupts:
+    items:
+      - description: Watchdog interrupt
+      - description: Fatal interrupt
+      - description: Ready interrupt
+      - description: Handover interrupt
+      - description: Stop acknowledge interrupt
+      - description: Shutdown acknowledge interrupt
+
+  interrupt-names:
+    items:
+      - const: wdog
+      - const: fatal
+      - const: ready
+      - const: handover
+      - const: stop-ack
+      - const: shutdown-ack
+
+  qcom,smem-states:
+    maxItems: 1
+    description: States used by the AP to signal the Hexagon core
+
+  qcom,smem-state-names:
+    maxItems: 1
+    description: The names of the state bits used for SMP2P output
+
+required:
+  - compatible
+  - reg
+  - memory-region
+
+allOf:
+  - $ref: /schemas/remoteproc/qcom,pas-common.yaml#
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,nord-adsp-pas
+    then:
+      properties:
+        power-domains:
+          maxItems: 2
+        power-domain-names:
+          maxItems: 2
+    else:
+      properties:
+        power-domains:
+          minItems: 3
+        power-domain-names:
+          minItems: 3
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/mailbox/qcom-ipcc.h>
+    #include <dt-bindings/power/qcom,rpmhpd.h>
+    #define IPCC_MPROC_ADSP0
+
+    remoteproc@4c00000 {
+        compatible = "qcom,nord-adsp-pas";
+        reg = <0x04c00000 0x10000>;
+
+        clocks = <&rpmhcc RPMH_CXO_CLK>;
+        clock-names = "xo";
+
+        interrupts-extended = <&intc GIC_SPI 159 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";
+
+        memory-region = <&hpass_dsp0_mem>, <&hpass_dsp0_dtb_mem>;
+
+        firmware-name = "qcom/nord/adsp.mbn",
+                        "qcom/nord/adsp_dtb.mbn";
+
+        power-domains = <&rpmhpd RPMHPD_CX>,
+                        <&rpmhpd RPMHPD_MX>;
+        power-domain-names = "cx",
+                             "mx";
+
+        qcom,qmp = <&aoss_qmp>;
+        qcom,smem-states = <&smp2p_adsp_out 0>;
+        qcom,smem-state-names = "stop";
+
+        glink-edge {
+            interrupts-extended = <&ipcc IPCC_MPROC_ADSP0
+                                         IPCC_MPROC_SIGNAL_GLINK_QMP
+                                         IRQ_TYPE_EDGE_RISING>;
+            mboxes = <&ipcc IPCC_MPROC_ADSP0 IPCC_MPROC_SIGNAL_GLINK_QMP>;
+
+            label = "adsp";
+            qcom,remote-pid = <2>;
+
+            /* ... */
+        };
+    };
-- 
2.43.0

[PATCH v3 3/3] remoteproc: qcom: pas: Add Nord ADSP and CDSP support

[Shawn Guo]

Add support for ADSP (HPASS DSP) and 4 CDSPs found on Nord SoC. The ADSP
is pre-booted by XBL before Linux starts, so set early_boot flag for
attach path rather than a cold boot sequence.

Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
---
 drivers/remoteproc/qcom_q6v5_pas.c | 110 +++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 25599d728208..6f3850a3fa9e 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -1434,6 +1434,111 @@ static const struct qcom_pas_data milos_cdsp_resource = {
 	.smem_host_id = 5,
 };
 
+static const struct qcom_pas_data nord_adsp_resource = {
+	.crash_reason_smem = 423,
+	.firmware_name = "adsp.mdt",
+	.dtb_firmware_name = "adsp_dtb.mbn",
+	.pas_id = 1,
+	.dtb_pas_id = 36,
+	.minidump_id = 5,
+	.auto_boot = true,
+	.early_boot = true,
+	.proxy_pd_names = (char*[]){
+		"cx",
+		"mx",
+		NULL
+	},
+	.load_state = "adsp",
+	.ssr_name = "lpass",
+	.sysmon_name = "adsp",
+	.ssctl_id = 0x14,
+	.smem_host_id = 2,
+};
+
+static const struct qcom_pas_data nord_cdsp0_resource = {
+	.crash_reason_smem = 601,
+	.firmware_name = "cdsp.mdt",
+	.dtb_firmware_name = "cdsp_dtb.mbn",
+	.pas_id = 18,
+	.dtb_pas_id = 37,
+	.minidump_id = 7,
+	.auto_boot = true,
+	.proxy_pd_names = (char*[]){
+		"cx",
+		"mx",
+		"nsp",
+		NULL
+	},
+	.load_state = "cdsp",
+	.ssr_name = "cdsp0",
+	.sysmon_name = "cdsp0",
+	.ssctl_id = 0x17,
+	.smem_host_id = 5,
+};
+
+static const struct qcom_pas_data nord_cdsp1_resource = {
+	.crash_reason_smem = 633,
+	.firmware_name = "cdsp1.mdt",
+	.dtb_firmware_name = "cdsp1_dtb.mbn",
+	.pas_id = 30,
+	.dtb_pas_id = 59,
+	.minidump_id = 20,
+	.auto_boot = true,
+	.proxy_pd_names = (char*[]){
+		"cx",
+		"mx",
+		"nsp",
+		NULL
+	},
+	.load_state = "cdsp1",
+	.ssr_name = "cdsp1",
+	.sysmon_name = "cdsp1",
+	.ssctl_id = 0x20,
+	.smem_host_id = 69,
+};
+
+static const struct qcom_pas_data nord_cdsp2_resource = {
+	.crash_reason_smem = 665,
+	.firmware_name = "cdsp2.mdt",
+	.dtb_firmware_name = "cdsp2_dtb.mbn",
+	.pas_id = 57,
+	.dtb_pas_id = 60,
+	.minidump_id = 29,
+	.auto_boot = true,
+	.proxy_pd_names = (char*[]){
+		"cx",
+		"mx",
+		"nsp",
+		NULL
+	},
+	.load_state = "cdsp2",
+	.ssr_name = "cdsp2",
+	.sysmon_name = "cdsp2",
+	.ssctl_id = 0x1f,
+	.smem_host_id = 133,
+};
+
+static const struct qcom_pas_data nord_cdsp3_resource = {
+	.crash_reason_smem = 666,
+	.firmware_name = "cdsp3.mdt",
+	.dtb_firmware_name = "cdsp3_dtb.mbn",
+	.pas_id = 58,
+	.dtb_pas_id = 61,
+	.minidump_id = 30,
+	.auto_boot = true,
+	.proxy_pd_names = (char*[]){
+		"cx",
+		"mx",
+		"nsp",
+		NULL
+	},
+	.load_state = "cdsp3",
+	.ssr_name = "cdsp3",
+	.sysmon_name = "cdsp3",
+	.ssctl_id = 0x1a,
+	.smem_host_id = 197,
+};
+
 static const struct qcom_pas_data sm8450_mpss_resource = {
 	.crash_reason_smem = 421,
 	.firmware_name = "modem.mdt",
@@ -1695,6 +1800,11 @@ static const struct of_device_id qcom_pas_of_match[] = {
 	{ .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,nord-adsp-pas", .data = &nord_adsp_resource },
+	{ .compatible = "qcom,nord-cdsp0-pas", .data = &nord_cdsp0_resource },
+	{ .compatible = "qcom,nord-cdsp1-pas", .data = &nord_cdsp1_resource },
+	{ .compatible = "qcom,nord-cdsp2-pas", .data = &nord_cdsp2_resource },
+	{ .compatible = "qcom,nord-cdsp3-pas", .data = &nord_cdsp3_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 = &msm8996_adsp_resource },
-- 
2.43.0

Re: [PATCH v3 3/3] remoteproc: qcom: pas: Add Nord ADSP and CDSP support

[Shawn Guo]

On Mon, Jul 27, 2026 at 03:46:21PM +0800, Shawn Guo wrote:
> Add support for ADSP (HPASS DSP) and 4 CDSPs found on Nord SoC. The ADSP
> is pre-booted by XBL before Linux starts, so set early_boot flag for
> attach path rather than a cold boot sequence.
> 
> Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
> ---
>  drivers/remoteproc/qcom_q6v5_pas.c | 110 +++++++++++++++++++++++++++++
>  1 file changed, 110 insertions(+)
> 
> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
> index 25599d728208..6f3850a3fa9e 100644
> --- a/drivers/remoteproc/qcom_q6v5_pas.c
> +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> @@ -1434,6 +1434,111 @@ static const struct qcom_pas_data milos_cdsp_resource = {
>  	.smem_host_id = 5,
>  };
>  
> +static const struct qcom_pas_data nord_adsp_resource = {
> +	.crash_reason_smem = 423,
> +	.firmware_name = "adsp.mdt",
> +	.dtb_firmware_name = "adsp_dtb.mbn",
> +	.pas_id = 1,
> +	.dtb_pas_id = 36,
> +	.minidump_id = 5,
> +	.auto_boot = true,
> +	.early_boot = true,
> +	.proxy_pd_names = (char*[]){
> +		"cx",
> +		"mx",
> +		NULL
> +	},
> +	.load_state = "adsp",
> +	.ssr_name = "lpass",
> +	.sysmon_name = "adsp",
> +	.ssctl_id = 0x14,
> +	.smem_host_id = 2,
> +};
> +
> +static const struct qcom_pas_data nord_cdsp0_resource = {
> +	.crash_reason_smem = 601,
> +	.firmware_name = "cdsp.mdt",
> +	.dtb_firmware_name = "cdsp_dtb.mbn",
> +	.pas_id = 18,
> +	.dtb_pas_id = 37,
> +	.minidump_id = 7,
> +	.auto_boot = true,
> +	.proxy_pd_names = (char*[]){
> +		"cx",
> +		"mx",
> +		"nsp",
> +		NULL
> +	},
> +	.load_state = "cdsp",
> +	.ssr_name = "cdsp0",
> +	.sysmon_name = "cdsp0",
> +	.ssctl_id = 0x17,
> +	.smem_host_id = 5,
> +};
> +
> +static const struct qcom_pas_data nord_cdsp1_resource = {
> +	.crash_reason_smem = 633,
> +	.firmware_name = "cdsp1.mdt",
> +	.dtb_firmware_name = "cdsp1_dtb.mbn",
> +	.pas_id = 30,
> +	.dtb_pas_id = 59,
> +	.minidump_id = 20,
> +	.auto_boot = true,
> +	.proxy_pd_names = (char*[]){
> +		"cx",
> +		"mx",
> +		"nsp",
> +		NULL
> +	},
> +	.load_state = "cdsp1",
> +	.ssr_name = "cdsp1",
> +	.sysmon_name = "cdsp1",
> +	.ssctl_id = 0x20,
> +	.smem_host_id = 69,
> +};
> +
> +static const struct qcom_pas_data nord_cdsp2_resource = {
> +	.crash_reason_smem = 665,
> +	.firmware_name = "cdsp2.mdt",
> +	.dtb_firmware_name = "cdsp2_dtb.mbn",
> +	.pas_id = 57,
> +	.dtb_pas_id = 60,
> +	.minidump_id = 29,
> +	.auto_boot = true,
> +	.proxy_pd_names = (char*[]){
> +		"cx",
> +		"mx",
> +		"nsp",
> +		NULL
> +	},
> +	.load_state = "cdsp2",
> +	.ssr_name = "cdsp2",
> +	.sysmon_name = "cdsp2",
> +	.ssctl_id = 0x1f,
> +	.smem_host_id = 133,
> +};
> +
> +static const struct qcom_pas_data nord_cdsp3_resource = {
> +	.crash_reason_smem = 666,
> +	.firmware_name = "cdsp3.mdt",
> +	.dtb_firmware_name = "cdsp3_dtb.mbn",
> +	.pas_id = 58,
> +	.dtb_pas_id = 61,
> +	.minidump_id = 30,
> +	.auto_boot = true,
> +	.proxy_pd_names = (char*[]){
> +		"cx",
> +		"mx",
> +		"nsp",
> +		NULL
> +	},
> +	.load_state = "cdsp3",
> +	.ssr_name = "cdsp3",
> +	.sysmon_name = "cdsp3",
> +	.ssctl_id = 0x1a,
> +	.smem_host_id = 197,
> +};
> +
>  static const struct qcom_pas_data sm8450_mpss_resource = {
>  	.crash_reason_smem = 421,
>  	.firmware_name = "modem.mdt",
> @@ -1695,6 +1800,11 @@ static const struct of_device_id qcom_pas_of_match[] = {
>  	{ .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,nord-adsp-pas", .data = &nord_adsp_resource },
> +	{ .compatible = "qcom,nord-cdsp0-pas", .data = &nord_cdsp0_resource },
> +	{ .compatible = "qcom,nord-cdsp1-pas", .data = &nord_cdsp1_resource },
> +	{ .compatible = "qcom,nord-cdsp2-pas", .data = &nord_cdsp2_resource },
> +	{ .compatible = "qcom,nord-cdsp3-pas", .data = &nord_cdsp3_resource },

Oops! It breaks the alphabetic order. Will fix.

Shawn

>  	{ .compatible = "qcom,msm8226-adsp-pil", .data = &msm8996_adsp_resource },
>  	{ .compatible = "qcom,msm8953-adsp-pil", .data = &msm8996_adsp_resource },
>  	{ .compatible = "qcom,msm8974-adsp-pil", .data = &msm8996_adsp_resource },
> -- 
> 2.43.0
> 

Re: [PATCH v3 2/3] dt-bindings: remoteproc: qcom,nord-pas: Document Nord PAS

[Krzysztof Kozlowski]

On Mon, Jul 27, 2026 at 03:46:20PM +0800, Shawn Guo wrote:
> Add a dedicated binding for the Qualcomm Nord SoC PAS devices: ADSP
> and CDSPs. Nord ADSP uses CX and MX power domains while the CDSPs
> add an NSP domain on top of that.
> 
> Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
> ---
>  .../bindings/remoteproc/qcom,nord-pas.yaml    | 173 ++++++++++++++++++
>  1 file changed, 173 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,nord-pas.yaml

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof