linux-kernel - [PATCH v1 12/30] dt-bindings: reset: Add starfive,jh7110-reset bindings

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Message-Id: <20220929175147.19749-1-hal.feng@linux.starfivetech.com>
Date:   Fri, 30 Sep 2022 01:51:47 +0800
From:   Hal Feng <hal.feng@...ux.starfivetech.com>
To:     linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Hal Feng <hal.feng@...ux.starfivetech.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 12/30] dt-bindings: reset: Add starfive,jh7110-reset bindings

Add bindings for the reset controller on the JH7110 RISC-V
SoC by StarFive Technology Ltd.

Signed-off-by: Hal Feng <hal.feng@...ux.starfivetech.com>
---
 .../bindings/reset/starfive,jh7110-reset.yaml | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/starfive,jh7110-reset.yaml

diff --git a/Documentation/devicetree/bindings/reset/starfive,jh7110-reset.yaml b/Documentation/devicetree/bindings/reset/starfive,jh7110-reset.yaml
new file mode 100644
index 000000000000..bb0010c200f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/starfive,jh7110-reset.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/starfive,jh7110-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 SoC Reset Controller Device Tree Bindings
+
+maintainers:
+  - Emil Renner Berthing <kernel@...il.dk>
+  - Hal Feng <hal.feng@...ux.starfivetech.com>
+
+properties:
+  compatible:
+    enum:
+      - starfive,jh7110-reset
+
+  "#reset-cells":
+    const: 1
+
+  starfive,assert-offset:
+    description: Offset of the first ASSERT register
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  starfive,status-offset:
+    description: Offset of the first STATUS register
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  starfive,nr-resets:
+    description: Number of reset signals
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - compatible
+  - "#reset-cells"
+  - starfive,assert-offset
+  - starfive,status-offset
+  - starfive,nr-resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/reset/starfive-jh7110.h>
+
+    syscrg_rst: reset-controller@...20000 {
+        compatible = "starfive,jh7110-reset";
+        #reset-cells = <1>;
+        starfive,assert-offset = <0x2F8>;
+        starfive,status-offset= <0x308>;
+        starfive,nr-resets = <JH7110_SYSRST_END>;
+    };
+
+...
-- 
2.17.1