linux-kernel - [PATCH 1/3] dt-bindings: reset: Document th1520 reset control

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Message-Id: <20230912024914.3769440-2-k.son@samsung.com>
Date:   Tue, 12 Sep 2023 02:49:12 +0000
From:   k.son@...sung.com
To:     p.zabel@...gutronix.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        jszhang@...nel.org, guoren@...nel.org, wefu@...hat.com,
        paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, inki.dae@...sung.com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, Kwanghoon Son <k.son@...sung.com>
Subject: [PATCH 1/3] dt-bindings: reset: Document th1520 reset control

From: Kwanghoon Son <k.son@...sung.com>

Add documentation to describe th1520 reset device

Signed-off-by: Kwanghoon Son <k.son@...sung.com>
---
 .../bindings/reset/thead,th1520-reset.yaml    | 47 +++++++++++++++++++
 include/dt-bindings/reset/th1520-reset.h      |  9 ++++
 2 files changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
 create mode 100644 include/dt-bindings/reset/th1520-reset.h

diff --git a/Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml b/Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
new file mode 100644
index 000000000000..6724a9ccdd55
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/thead,th1520-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: T-HEAD th1520 SoC Reset Controller
+
+maintainers:
+  - Kwanghoon Son <k.son@...sung.com>
+
+allOf:
+  - $ref: /schemas/mfd/syscon.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: thead,th1520-reset
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/reset/th1520-reset.h>
+
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      reset-controller@...f014000 {
+          compatible = "thead,th1520-reset", "syscon";
+          reg = <0xff 0xef014000 0x0 0x1000>;
+          #reset-cells = <1>;
+      };
+    };
diff --git a/include/dt-bindings/reset/th1520-reset.h b/include/dt-bindings/reset/th1520-reset.h
new file mode 100644
index 000000000000..ec10751814e5
--- /dev/null
+++ b/include/dt-bindings/reset/th1520-reset.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+
+#ifndef DT_BINDING_RESET_TH1520_H
+#define DT_BINDING_RESET_TH1520_H
+
+#define TH1520_RESET_WDT0 0
+#define TH1520_RESET_WDT1 1
+
+#endif
-- 
2.34.1