linux-kernel - [PATCH v1 1/3] dt-bindings: power: Add starfive,jh71xx-pmu

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Message-ID: <20221208082955.10653-2-walker.chen@starfivetech.com>
Date:   Thu, 8 Dec 2022 16:29:53 +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>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Walker Chen <walker.chen@...rfivetech.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v1 1/3] dt-bindings: power: Add starfive,jh71xx-pmu

Add bindings for Power Management Unit (PMU) on the StarFive JH71XX SoC.

Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
---
 .../bindings/power/starfive,jh71xx-pmu.yaml   | 45 +++++++++++++++++++
 .../dt-bindings/power/starfive,jh7110-pmu.h   | 17 +++++++
 2 files changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/starfive,jh71xx-pmu.yaml
 create mode 100644 include/dt-bindings/power/starfive,jh7110-pmu.h

diff --git a/Documentation/devicetree/bindings/power/starfive,jh71xx-pmu.yaml b/Documentation/devicetree/bindings/power/starfive,jh71xx-pmu.yaml
new file mode 100644
index 000000000000..f308ae136a57
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/starfive,jh71xx-pmu.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/starfive,jh71xx-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH71xx Power Management Unit
+
+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:
+      - 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>;
+    };
diff --git a/include/dt-bindings/power/starfive,jh7110-pmu.h b/include/dt-bindings/power/starfive,jh7110-pmu.h
new file mode 100644
index 000000000000..73c6a79a2181
--- /dev/null
+++ b/include/dt-bindings/power/starfive,jh7110-pmu.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ * Author: Walker Chen <walker.chen@...rfivetech.com>
+ */
+#ifndef __DT_BINDINGS_POWER_JH7110_POWER_H__
+#define __DT_BINDINGS_POWER_JH7110_POWER_H__
+
+#define JH7110_PD_SYSTOP	0
+#define JH7110_PD_CPU		1
+#define JH7110_PD_GPUA		2
+#define JH7110_PD_VDEC		3
+#define JH7110_PD_VOUT		4
+#define JH7110_PD_ISP		5
+#define JH7110_PD_VENC		6
+
+#endif
-- 
2.17.1