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From:   Kwanghoon Son <k.son@samsung.com>
To:     p.zabel@pengutronix.de, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
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        paul.walmsley@sifive.com, palmer@dabbelt.com,
        aou@eecs.berkeley.edu, inki.dae@samsung.com
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-riscv@lists.infradead.org
Subject: [PATCH v3 1/3] dt-bindings: reset: Document th1520 reset control
Date:   Mon, 18 Sep 2023 04:51:23 +0000
Message-Id: <20230918045125.4000083-2-k.son@samsung.com>
In-Reply-To: <20230918045125.4000083-1-k.son@samsung.com>
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References: <20230918045125.4000083-1-k.son@samsung.com>
        <CGME20230918045134epcas1p1b80b338b66512a976c3783cd0e51da50@epcas1p1.samsung.com>
Precedence: bulk

Add documentation to describe th1520 reset device

Signed-off-by: Kwanghoon Son <k.son@samsung.com>
---
 .../bindings/reset/thead,th1520-reset.yaml    | 44 +++++++++++++++++++
 .../dt-bindings/reset/thead,th1520-reset.h    |  9 ++++
 2 files changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
 create mode 100644 include/dt-bindings/reset/thead,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..49ea8c6a331f
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
@@ -0,0 +1,44 @@
+# 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@samsung.com>
+
+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/thead,th1520-reset.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        reset-controller@ffef014000 {
+            compatible = "thead,th1520-reset", "syscon";
+            reg = <0xff 0xef014000 0x0 0x1000>;
+            #reset-cells = <1>;
+        };
+    };
diff --git a/include/dt-bindings/reset/thead,th1520-reset.h b/include/dt-bindings/reset/thead,th1520-reset.h
new file mode 100644
index 000000000000..ec10751814e5
--- /dev/null
+++ b/include/dt-bindings/reset/thead,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