dt-bindings: interconnect: Add bindings for Qualcomm SDM660 NoC

Add the bindings for the Qualcomm SDM660-class NoC, valid for
SDM630, SDM636, SDM660 and SDA variants.

Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201017133718.31327-2-kholk11@gmail.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>

1 files changed, 147 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sdm660.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sdm660.yaml
new file mode 100644
index 000000000000..29de7807df54
--- /dev/null
+++ b/Documentation/devicetree/bindings/interconnect/qcom,sdm660.yaml
@@ -0,0 +1,147 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,sdm660.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SDM660 Network-On-Chip interconnect
+
+maintainers:
+  - AngeloGioacchino Del Regno <kholk11@gmail.com>
+
+description: |
+  The Qualcomm SDM660 interconnect providers support adjusting the
+  bandwidth requirements between the various NoC fabrics.
+
+properties:
+  reg:
+    maxItems: 1
+
+  compatible:
+    enum:
+      - qcom,sdm660-a2noc
+      - qcom,sdm660-bimc
+      - qcom,sdm660-cnoc
+      - qcom,sdm660-gnoc
+      - qcom,sdm660-mnoc
+      - qcom,sdm660-snoc
+
+  '#interconnect-cells':
+    const: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 3
+
+  clock-names:
+    minItems: 1
+    maxItems: 3
+
+required:
+  - compatible
+  - reg
+  - '#interconnect-cells'
+  - clock-names
+  - clocks
+
+additionalProperties: false
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sdm660-mnoc
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Bus Clock.
+            - description: Bus A Clock.
+            - description: CPU-NoC High-performance Bus Clock.
+        clock-names:
+          items:
+            - const: bus
+            - const: bus_a
+            - const: iface
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sdm660-a2noc
+              - qcom,sdm660-bimc
+              - qcom,sdm660-cnoc
+              - qcom,sdm660-gnoc
+              - qcom,sdm660-snoc
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Bus Clock.
+            - description: Bus A Clock.
+        clock-names:
+          items:
+            - const: bus
+            - const: bus_a
+
+examples:
+  - |
+      #include <dt-bindings/clock/qcom,rpmcc.h>
+      #include <dt-bindings/clock/qcom,mmcc-sdm660.h>
+
+      bimc: interconnect@1008000 {
+              compatible = "qcom,sdm660-bimc";
+              reg = <0x01008000 0x78000>;
+              #interconnect-cells = <1>;
+              clock-names = "bus", "bus_a";
+              clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
+                       <&rpmcc RPM_SMD_BIMC_A_CLK>;
+      };
+
+      cnoc: interconnect@1500000 {
+              compatible = "qcom,sdm660-cnoc";
+              reg = <0x01500000 0x10000>;
+              #interconnect-cells = <1>;
+              clock-names = "bus", "bus_a";
+              clocks = <&rpmcc RPM_SMD_CNOC_CLK>,
+                       <&rpmcc RPM_SMD_CNOC_A_CLK>;
+      };
+
+      snoc: interconnect@1626000 {
+              compatible = "qcom,sdm660-snoc";
+              reg = <0x01626000 0x7090>;
+              #interconnect-cells = <1>;
+              clock-names = "bus", "bus_a";
+              clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
+                       <&rpmcc RPM_SMD_SNOC_A_CLK>;
+      };
+
+      a2noc: interconnect@1704000 {
+              compatible = "qcom,sdm660-a2noc";
+              reg = <0x01704000 0xc100>;
+              #interconnect-cells = <1>;
+              clock-names = "bus", "bus_a";
+              clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>,
+                       <&rpmcc RPM_SMD_AGGR2_NOC_A_CLK>;
+      };
+
+      mnoc: interconnect@1745000 {
+              compatible = "qcom,sdm660-mnoc";
+              reg = <0x01745000 0xa010>;
+              #interconnect-cells = <1>;
+              clock-names = "bus", "bus_a", "iface";
+              clocks = <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK>,
+                       <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK_A>,
+                       <&mmcc AHB_CLK_SRC>;
+      };
+
+      gnoc: interconnect@17900000 {
+              compatible = "qcom,sdm660-gnoc";
+              reg = <0x17900000 0xe000>;
+              #interconnect-cells = <1>;
+              clock-names = "bus", "bus_a";
+              clocks = <&xo_board>, <&xo_board>;
+      };