dt-bindings: remoteproc: qcom,sm6375-pas: Document remoteprocs

SM6375 hosts an ADSP, CDSP and modem as remote processors. Create
related bindings.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230725-topic-6375_rproc-v5-1-a8e9cde56a20@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml
new file mode 100644
index 000000000000..3e4a03eb4532
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+++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm6375-pas.yaml
@@ -0,0 +1,145 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/qcom,sm6375-pas.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SM6375 Peripheral Authentication Service
+
+maintainers:
+  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+description:
+  Qualcomm SM6375 SoC Peripheral Authentication Service loads and boots
+  firmware on the Qualcomm DSP Hexagon cores.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sm6375-adsp-pas
+      - qcom,sm6375-cdsp-pas
+      - qcom,sm6375-mpss-pas
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: XO clock
+
+  clock-names:
+    items:
+      - const: xo
+
+  memory-region:
+    maxItems: 1
+    description: Reference to the reserved-memory for the Hexagon core
+
+  firmware-name:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: Firmware name for the Hexagon core
+
+  smd-edge: false
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: /schemas/remoteproc/qcom,pas-common.yaml#
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,sm6375-adsp-pas
+            - qcom,sm6375-cdsp-pas
+    then:
+      properties:
+        interrupts:
+          maxItems: 5
+        interrupt-names:
+          maxItems: 5
+    else:
+      properties:
+        interrupts:
+          minItems: 6
+        interrupt-names:
+          minItems: 6
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,sm6375-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,sm6375-cdsp-pas
+            - qcom,sm6375-mpss-pas
+    then:
+      properties:
+        power-domains:
+          items:
+            - description: CX power domain
+        power-domain-names:
+          items:
+            - const: cx
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmcc.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/mailbox/qcom-ipcc.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    remoteproc_adsp: remoteproc@a400000 {
+        compatible = "qcom,sm6375-adsp-pas";
+        reg = <0x0a400000 0x100>;
+
+        interrupts-extended = <&intc GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+                              <&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>;
+        interrupt-names = "wdog", "fatal", "ready",
+                          "handover", "stop-ack";
+
+        clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>;
+        clock-names = "xo";
+
+        power-domains = <&rpmpd SM6375_VDD_LPI_CX>,
+                        <&rpmpd SM6375_VDD_LPI_MX>;
+        power-domain-names = "lcx", "lmx";
+
+        memory-region = <&pil_adsp_mem>;
+
+        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>;
+
+            /* ... */
+        };
+    };