[PATCH v4 1/2] dt-bindings: power: Add starfive,jh7110-pmu

Walker Chen
2023-01-19T09:45:25Z

Add bindings for the Power Management Unit on the StarFive JH7110 SoC.

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

diff --git a/Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml b/Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml
new file mode 100644
index 000000000000..98eb8b4110e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/starfive,jh7110-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Power Management Unit
+
+maintainers:
+ - Walker Chen <walker.chen@starfivetech.com>
+
+description: |
+ StarFive JH7110 SoC includes 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@17030000 {
+ 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..132bfe401fc8
--- /dev/null
+++ b/include/dt-bindings/power/starfive,jh7110-pmu.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ * Author: Walker Chen <walker.chen@starfivetech.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