Merge branch 'icc-msm8953' into icc-next

Add interconnect driver for MSM8953-based devices.

* icc-msm8953
  dt-bindings: interconnect: qcom: Add Qualcomm MSM8953 NoC
  interconnect: qcom: Add MSM8953 driver

Link: https://lore.kernel.org/r/20240628-msm8953-interconnect-v3-0-a70d582182dc@mainlining.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/interconnect/qcom,msm8953.yaml b/Documentation/devicetree/bindings/interconnect/qcom,msm8953.yaml
new file mode 100644
index 000000000000..732e9fa001a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/interconnect/qcom,msm8953.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,msm8953.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8953 Network-On-Chip interconnect
+
+maintainers:
+  - Barnabas Czeman <barnabas.czeman@mainlining.org>
+
+description: |
+  The Qualcomm MSM8953 interconnect providers support adjusting the
+  bandwidth requirements between the various NoC fabrics.
+
+  See also:
+  - dt-bindings/interconnect/qcom,msm8953.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,msm8953-bimc
+      - qcom,msm8953-pcnoc
+      - qcom,msm8953-snoc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    maxItems: 1
+
+  '#interconnect-cells':
+    const: 2
+
+patternProperties:
+  '^interconnect-[a-z0-9\-]+$':
+    type: object
+    $ref: qcom,rpm-common.yaml#
+    unevaluatedProperties: false
+    description:
+      The interconnect providers do not have a separate QoS register space,
+      but share parent's space.
+
+    properties:
+      compatible:
+        const: qcom,msm8953-snoc-mm
+
+    required:
+      - compatible
+      - '#interconnect-cells'
+
+required:
+  - compatible
+  - reg
+  - '#interconnect-cells'
+
+allOf:
+  - $ref: qcom,rpm-common.yaml#
+  - if:
+      properties:
+        compatible:
+          const: qcom,msm8953-pcnoc
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: PCNOC USB3 AXI Clock.
+
+        clock-names:
+          const: pcnoc_usb3_axi
+
+      required:
+        - clocks
+        - clock-names
+    else:
+      properties:
+        clocks: false
+        clock-names: false
+
+additionalProperties: false
+
+examples:
+  - |
+      #include <dt-bindings/clock/qcom,gcc-msm8953.h>
+
+      snoc: interconnect@580000 {
+          compatible = "qcom,msm8953-snoc";
+          reg = <0x580000 0x16080>;
+
+          #interconnect-cells = <2>;
+
+          snoc_mm: interconnect-snoc {
+              compatible = "qcom,msm8953-snoc-mm";
+
+              #interconnect-cells = <2>;
+          };
+      };