[PATCH 01/13] dt-bindings: soc: Introduce device bindings for CESTA Resource Manager

[Jagadeesh Kona]

From: Maulik Shah <maulik.shah@xxxxxxxxxxxxxxxx>

Add device binding documentation for Qualcomm Technologies, Inc. (QTI)
CESTA (Client State Aggregation) Resource Manager which is responsible
for client side management and aggregation of local resources.

Signed-off-by: Maulik Shah <maulik.shah@xxxxxxxxxxxxxxxx>
Signed-off-by: Jagadeesh Kona <jagadeesh.kona@xxxxxxxxxxxxxxxx>
---
 .../devicetree/bindings/soc/qcom/qcom,crm.yaml     | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,crm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,crm.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..a1485db8b7476b0cb0b4e8a41adc8fb4092b731f
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,crm.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,crm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. (QTI) CESTA Resource Manager (CRM)
+
+maintainers:
+  - Maulik Shah <maulik.shah@xxxxxxxxxxxxxxxx>
+
+description:
+  Support for communication with the hardened-CRM blocks. A set of SW
+  client Direct Resource Voters (DRVs) in CRM provides interface to vote
+  desired power state of resources local to a subsystem.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sm8750-disp-crm
+
+  label:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    oneOf:
+      - description: Specifies the name of the CRM.
+        items:
+          - enum:
+              - disp_crm
+
+  reg:
+    minItems: 2
+
+  power-domains:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 6
+    description:
+      One interrupt for each DRV. The interrupt trips when a message complete/response is
+      received from the accelerators for the desired power state. Number of interrupts must
+      match number of DRV blocks.
+
+  qcom,sw-drv-ids:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 6
+    items:
+      minimum: 0
+      maximum: 5
+    description:
+      List of SW DRV IDs used within kernel. May contain holes as some DRVs can
+      be allocated to DSPs / can be spare.
+
+required:
+  - compatible
+  - label
+  - reg
+  - interrupts
+  - qcom,sw-drv-ids
+
+additionalProperties: false
+
+examples:
+  # Example of Display CRM device with SW DRVs
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/power/qcom,rpmhpd.h>
+    disp_crm: crm@af21000 {
+      compatible = "qcom,sm8750-disp-crm";
+      label = "disp_crm";
+      reg = <0x0af21000 0x6000>,
+            <0x0af29f00 0x100>;
+      power-domains = <&rpmhpd RPMHPD_MMCX>;
+      interrupts = <GIC_SPI 703 IRQ_TYPE_EDGE_RISING>,
+                   <GIC_SPI 708 IRQ_TYPE_EDGE_RISING>,
+                   <GIC_SPI 714 IRQ_TYPE_EDGE_RISING>,
+                   <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>,
+                   <GIC_SPI 96 IRQ_TYPE_EDGE_RISING>,
+                   <GIC_SPI 249 IRQ_TYPE_EDGE_RISING>;
+      qcom,sw-drv-ids = <0 1 2 3 4 5>;
+    };
+...

-- 
2.34.1