[PATCH v2 07/48] dt-bindings: arm: tegra: Add binding for core power domain

[Dmitry Osipenko <digetx@xxxxxxxxx>]

All NVIDIA Tegra SoCs have a core power domain where majority of hardware
blocks reside. Add binding for the core power domain.

Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
 .../arm/tegra/nvidia,tegra20-core-domain.yaml | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yaml

diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yaml b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yaml
new file mode 100644
index 000000000000..f3d8fd2d8371
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-core-domain.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/tegra/nvidia,tegra20-core-domain.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra Core Power Domain
+
+maintainers:
+  - Dmitry Osipenko <digetx@xxxxxxxxx>
+  - Jon Hunter <jonathanh@xxxxxxxxxx>
+  - Thierry Reding <thierry.reding@xxxxxxxxx>
+
+properties:
+  compatible:
+    enum:
+      - nvidia,tegra20-core-domain
+      - nvidia,tegra30-core-domain
+
+  operating-points-v2:
+    description:
+      Should contain level, voltages and opp-supported-hw property.
+      The supported-hw is a bitfield indicating SoC speedo or process
+      ID mask.
+
+  "#power-domain-cells":
+    const: 0
+
+  power-supply:
+    description:
+      Phandle to voltage regulator connected to the SoC Core power rail.
+
+required:
+  - compatible
+  - operating-points-v2
+  - "#power-domain-cells"
+  - power-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    core-domain {
+        compatible = "nvidia,tegra20-core-domain";
+        operating-points-v2 = <&opp_table>;
+        power-supply = <&regulator>;
+        #power-domain-cells = <0>;
+    };
-- 
2.29.2

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