Merge tag 'icc-5.10-rc1' of https://git.linaro.org/people/georgi.djakov/linux into char-misc-next

Georgi writes:

interconnect changes for 5.10

Here are the interconnect changes for the 5.10-rc1 merge window
consisting of core changes, new drivers and cleanups.

Core changes:
 - New bulk API helpers for managing multiple interconnect paths.
 - New xlate_extended() interface for parsing additional data from DT.
 - Support for sync_state().

Driver changes:
 - New drivers for SM8150 and SM8250 platforms.
 - New drivers for the Qualcomm OSM and EPSS hardware blocks.
 - Per-BCM scaling factor support.
 - Misc cleanups.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>

* tag 'icc-5.10-rc1' of https://git.linaro.org/people/georgi.djakov/linux: (28 commits)
  interconnect: imx: simplify the return expression of imx_icc_unregister
  interconnect: imx: Simplify with dev_err_probe()
  interconnect: core: Simplify with dev_err_probe()
  interconnect: qcom: Use icc_sync_state
  interconnect: Add sync state support
  interconnect: Add get_bw() callback
  interconnect: qcom: osm-l3: Mark more structures const
  interconnect: qcom: Add EPSS L3 support on SM8250
  dt-bindings: interconnect: Add EPSS L3 DT binding on SM8250
  interconnect: qcom: Lay the groundwork for adding EPSS support
  interconnect: qcom: Add OSM L3 support on SM8150
  dt-bindings: interconnect: Add OSM L3 DT binding on SM8150
  interconnect: qcom: sc7180: Replace xlate with xlate_extended
  interconnect: qcom: sdm845: Replace xlate with xlate_extended
  interconnect: qcom: Implement xlate_extended() to parse tags
  dt-bindings: interconnect: Document the support of optional path tag
  interconnect: Introduce xlate_extended() callback
  interconnect: qcom: Add support for per-BCM scaling factors
  interconnect: qcom: Only wait for completion in AMC/WAKE by default
  interconnect: qcom: Support bcm-voter-specific TCS wait behavior
  ...

5 files changed, 84 insertions, 89 deletions

diff --git a/Documentation/devicetree/bindings/interconnect/interconnect.txt b/Documentation/devicetree/bindings/interconnect/interconnect.txt
index 6f5d23a605b7..138c544c8c8c 100644
--- a/Documentation/devicetree/bindings/interconnect/interconnect.txt
+++ b/Documentation/devicetree/bindings/interconnect/interconnect.txt
@@ -19,7 +19,8 @@ directly.
 Required properties:
 - compatible : contains the interconnect provider compatible string
 - #interconnect-cells : number of cells in a interconnect specifier needed to
-			encode the interconnect node id
+			encode the interconnect node id and optionally add a
+			path tag
 
 Example:
 
@@ -44,6 +45,10 @@ components it has to interact with.
 Required properties:
 interconnects : Pairs of phandles and interconnect provider specifier to denote
 	        the edge source and destination ports of the interconnect path.
+		An optional path tag value could specified as additional argument
+		to both endpoints and in such cases, this information will be passed
+		to the interconnect framework to do aggregation based on the attached
+		tag.
 
 Optional properties:
 interconnect-names : List of interconnect path name strings sorted in the same
@@ -62,3 +67,20 @@ Example:
 		interconnects = <&pnoc MASTER_SDCC_1 &bimc SLAVE_EBI_CH0>;
 		interconnect-names = "sdhc-mem";
 	};
+
+Example with path tags:
+
+	gnoc: interconnect@17900000 {
+		...
+		interconnect-cells = <2>;
+	};
+
+	mnoc: interconnect@1380000 {
+		...
+		interconnect-cells = <2>;
+	};
+
+	cpu@0 {
+		...
+		interconnects = <&gnoc MASTER_APPSS_PROC 3 &mnoc SLAVE_EBI1 3>;
+	}
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml
index 5971fc1df08d..e23df4836c6f 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml
@@ -21,6 +21,23 @@ properties:
     enum:
       - qcom,bcm-voter
 
+  qcom,tcs-wait:
+    description: |
+      Optional mask of which TCSs (Triggered Command Sets) wait for completion
+      upon triggering. If not specified, then the AMC and WAKE sets wait for
+      completion. The mask bits are available in the QCOM_ICC_TAG_* defines.
+
+      The AMC TCS is triggered immediately when icc_set_bw() is called. The
+      WAKE/SLEEP TCSs are triggered when the RSC transitions between active and
+      sleep modes.
+
+      In most cases, it's necessary to wait in both the AMC and WAKE sets to
+      ensure resources are available before use. If a specific RSC and its use
+      cases can ensure sufficient delay by other means, then this can be
+      overridden to reduce latencies.
+
+    $ref: /schemas/types.yaml#/definitions/uint32
+
 required:
   - compatible
 
@@ -39,7 +56,10 @@ examples:
   # as defined in Documentation/devicetree/bindings/soc/qcom/rpmh-rsc.txt
   - |
 
+    #include <dt-bindings/interconnect/qcom,icc.h>
+
     disp_bcm_voter: bcm_voter {
         compatible = "qcom,bcm-voter";
+        qcom,tcs-wait = <QCOM_ICC_TAG_AMC>;
     };
 ...
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
index 91f70c9067d1..d6a95c3cb26f 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
@@ -19,6 +19,8 @@ properties:
     enum:
       - qcom,sc7180-osm-l3
       - qcom,sdm845-osm-l3
+      - qcom,sm8150-osm-l3
+      - qcom,sm8250-epss-l3
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
index dab17c0716ce..30c2a092d2d3 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
@@ -1,16 +1,17 @@
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/interconnect/qcom,sdm845.yaml#
+$id: http://devicetree.org/schemas/interconnect/qcom,rpmh.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Qualcomm SDM845 Network-On-Chip Interconnect
+title: Qualcomm RPMh Network-On-Chip Interconnect
 
 maintainers:
   - Georgi Djakov <georgi.djakov@linaro.org>
+  - Odelu Kukatla <okukatla@codeaurora.org>
 
 description: |
-   SDM845 interconnect providers support system bandwidth requirements through
+   RPMh interconnect providers support system bandwidth requirements through
    RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is
    able to communicate with the BCM through the Resource State Coordinator (RSC)
    associated with each execution environment. Provider nodes must point to at
@@ -23,6 +24,19 @@ properties:
 
   compatible:
     enum:
+      - qcom,sc7180-aggre1-noc
+      - qcom,sc7180-aggre2-noc
+      - qcom,sc7180-camnoc-virt
+      - qcom,sc7180-compute-noc
+      - qcom,sc7180-config-noc
+      - qcom,sc7180-dc-noc
+      - qcom,sc7180-gem-noc
+      - qcom,sc7180-ipa-virt
+      - qcom,sc7180-mc-virt
+      - qcom,sc7180-mmss-noc
+      - qcom,sc7180-npu-noc
+      - qcom,sc7180-qup-virt
+      - qcom,sc7180-system-noc
       - qcom,sdm845-aggre1-noc
       - qcom,sdm845-aggre2-noc
       - qcom,sdm845-config-noc
@@ -31,6 +45,28 @@ properties:
       - qcom,sdm845-mem-noc
       - qcom,sdm845-mmss-noc
       - qcom,sdm845-system-noc
+      - qcom,sm8150-aggre1-noc
+      - qcom,sm8150-aggre2-noc
+      - qcom,sm8150-camnoc-noc
+      - qcom,sm8150-compute-noc
+      - qcom,sm8150-config-noc
+      - qcom,sm8150-dc-noc
+      - qcom,sm8150-gem-noc
+      - qcom,sm8150-ipa-virt
+      - qcom,sm8150-mc-virt
+      - qcom,sm8150-mmss-noc
+      - qcom,sm8150-system-noc
+      - qcom,sm8250-aggre1-noc
+      - qcom,sm8250-aggre2-noc
+      - qcom,sm8250-compute-noc
+      - qcom,sm8250-config-noc
+      - qcom,sm8250-dc-noc
+      - qcom,sm8250-gem-noc
+      - qcom,sm8250-ipa-virt
+      - qcom,sm8250-mc-virt
+      - qcom,sm8250-mmss-noc
+      - qcom,sm8250-npu-noc
+      - qcom,sm8250-system-noc
 
   '#interconnect-cells':
     const: 1
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sc7180.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sc7180.yaml
deleted file mode 100644
index 8659048f92a7..000000000000
--- a/Documentation/devicetree/bindings/interconnect/qcom,sc7180.yaml
+++ /dev/null
@@ -1,85 +0,0 @@
-# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/interconnect/qcom,sc7180.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Qualcomm SC7180 Network-On-Chip Interconnect
-
-maintainers:
-  - Odelu Kukatla <okukatla@codeaurora.org>
-
-description: |
-   SC7180 interconnect providers support system bandwidth requirements through
-   RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is
-   able to communicate with the BCM through the Resource State Coordinator (RSC)
-   associated with each execution environment. Provider nodes must point to at
-   least one RPMh device child node pertaining to their RSC and each provider
-   can map to multiple RPMh resources.
-
-properties:
-  reg:
-    maxItems: 1
-
-  compatible:
-    enum:
-      - qcom,sc7180-aggre1-noc
-      - qcom,sc7180-aggre2-noc
-      - qcom,sc7180-camnoc-virt
-      - qcom,sc7180-compute-noc
-      - qcom,sc7180-config-noc
-      - qcom,sc7180-dc-noc
-      - qcom,sc7180-gem-noc
-      - qcom,sc7180-ipa-virt
-      - qcom,sc7180-mc-virt
-      - qcom,sc7180-mmss-noc
-      - qcom,sc7180-npu-noc
-      - qcom,sc7180-qup-virt
-      - qcom,sc7180-system-noc
-
-  '#interconnect-cells':
-    const: 1
-
-  qcom,bcm-voters:
-    $ref: /schemas/types.yaml#/definitions/phandle-array
-    description: |
-      List of phandles to qcom,bcm-voter nodes that are required by
-      this interconnect to send RPMh commands.
-
-  qcom,bcm-voter-names:
-    $ref: /schemas/types.yaml#/definitions/string-array
-    description: |
-      Names for each of the qcom,bcm-voters specified.
-
-required:
-  - compatible
-  - reg
-  - '#interconnect-cells'
-  - qcom,bcm-voters
-
-additionalProperties: false
-
-examples:
-  - |
-      #include <dt-bindings/interconnect/qcom,sc7180.h>
-
-      config_noc: interconnect@1500000 {
-            compatible = "qcom,sc7180-config-noc";
-            reg = <0x01500000 0x28000>;
-            #interconnect-cells = <1>;
-            qcom,bcm-voters = <&apps_bcm_voter>;
-      };
-
-      system_noc: interconnect@1620000 {
-            compatible = "qcom,sc7180-system-noc";
-            reg = <0x01620000 0x17080>;
-            #interconnect-cells = <1>;
-            qcom,bcm-voters = <&apps_bcm_voter>;
-      };
-
-      mmss_noc: interconnect@1740000 {
-            compatible = "qcom,sc7180-mmss-noc";
-            reg = <0x01740000 0x1c100>;
-            #interconnect-cells = <1>;
-            qcom,bcm-voters = <&apps_bcm_voter>;
-      };