linux-kernel - [PATCH v3 1/5] dt-bindings: power: Add JH7110 AON PMU support

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Message-ID: <20230510015311.27505-2-changhuang.liang@starfivetech.com>
Date:   Tue, 9 May 2023 18:53:07 -0700
From:   Changhuang Liang <changhuang.liang@...rfivetech.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Conor Dooley <conor@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
CC:     Walker Chen <walker.chen@...rfivetech.com>,
        Changhuang Liang <changhuang.liang@...rfivetech.com>,
        Hal Feng <hal.feng@...rfivetech.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>
Subject: [PATCH v3 1/5] dt-bindings: power: Add JH7110 AON PMU support

Add AON PMU for StarFive JH7110 SoC, it can be used to turn on/off DPHY
rx/tx power switch, and it don't need the property of interrupts. It
also can use syscon operation.

Signed-off-by: Changhuang Liang <changhuang.liang@...rfivetech.com>
---
 .../bindings/power/starfive,jh7110-pmu.yaml   | 28 +++++++++++++++++--
 .../dt-bindings/power/starfive,jh7110-pmu.h   |  5 +++-
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml b/Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml
index 98eb8b4110e7..0591a4e9db6c 100644
--- a/Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml
+++ b/Documentation/devicetree/bindings/power/starfive,jh7110-pmu.yaml
@@ -8,6 +8,7 @@ title: StarFive JH7110 Power Management Unit
 
 maintainers:
   - Walker Chen <walker.chen@...rfivetech.com>
+  - Changhuang Liang <changhuang.liang@...rfivetech.com>
 
 description: |
   StarFive JH7110 SoC includes support for multiple power domains which can be
@@ -15,8 +16,13 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - starfive,jh7110-pmu
+    oneOf:
+      - enum:
+          - starfive,jh7110-pmu
+      - items:
+          - enum:
+              - starfive,jh7110-aon-syscon
+          - const: syscon
 
   reg:
     maxItems: 1
@@ -30,9 +36,18 @@ properties:
 required:
   - compatible
   - reg
-  - interrupts
   - "#power-domain-cells"
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: starfive,jh7110-pmu
+    then:
+      required:
+        - interrupts
+
 additionalProperties: false
 
 examples:
@@ -43,3 +58,10 @@ examples:
         interrupts = <111>;
         #power-domain-cells = <1>;
     };
+
+  - |
+    aon_syscon: syscon@...10000 {
+        compatible = "starfive,jh7110-aon-syscon", "syscon";
+        reg = <0x17010000 0x1000>;
+        #power-domain-cells = <1>;
+    };
diff --git a/include/dt-bindings/power/starfive,jh7110-pmu.h b/include/dt-bindings/power/starfive,jh7110-pmu.h
index 132bfe401fc8..341e2a0676ba 100644
--- a/include/dt-bindings/power/starfive,jh7110-pmu.h
+++ b/include/dt-bindings/power/starfive,jh7110-pmu.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
 /*
- * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ * Copyright (C) 2022-2023 StarFive Technology Co., Ltd.
  * Author: Walker Chen <walker.chen@...rfivetech.com>
  */
 #ifndef __DT_BINDINGS_POWER_JH7110_POWER_H__
@@ -14,4 +14,7 @@
 #define JH7110_PD_ISP		5
 #define JH7110_PD_VENC		6
 
+#define JH7110_PD_DPHY_TX	0
+#define JH7110_PD_DPHY_RX	1
+
 #endif
-- 
2.25.1