linux-kernel - [PATCH v1 2/4] dt-bindings: power: Add starfive,jh71xx-power bindings

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Message-ID: <20221118133216.17037-3-walker.chen@starfivetech.com>
Date:   Fri, 18 Nov 2022 21:32:14 +0800
From:   Walker Chen <walker.chen@...rfivetech.com>
To:     <linux-riscv@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
        <devicetree@...r.kernel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Walker Chen <walker.chen@...rfivetech.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v1 2/4] dt-bindings: power: Add starfive,jh71xx-power bindings

Add bindings for the power domain controller on the StarFive JH71XX SoC.

Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
---
 .../bindings/power/starfive,jh71xx-power.yaml | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/starfive,jh71xx-power.yaml

diff --git a/Documentation/devicetree/bindings/power/starfive,jh71xx-power.yaml b/Documentation/devicetree/bindings/power/starfive,jh71xx-power.yaml
new file mode 100644
index 000000000000..2537303b4829
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/starfive,jh71xx-power.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/starfive,jh71xx-power.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH71xx Power Domains Controller
+
+maintainers:
+  - Walker Chen <walker.chen@...rfivetech.com>
+
+description: |
+  StarFive JH71xx SoCs include support for multiple power domains which can be
+  powered on/off by software based on different application scenes to save power.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - starfive,jh7110-pmu
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  "#power-domain-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - "#power-domain-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    pwrc: power-controller@...30000 {
+        compatible = "starfive,jh7110-pmu";
+        reg = <0x17030000 0x10000>;
+        interrupts = <111>;
+        #power-domain-cells = <1>;
+    };
-- 
2.17.1