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From:   Jisheng Zhang <jszhang@kernel.org>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Jiri Slaby <jirislaby@kernel.org>
Cc:     linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: [PATCH 1/7] dt-bindings: serial: add bindings doc for Bouffalolab uart driver
Date:   Sun, 20 Nov 2022 16:21:08 +0800
Message-Id: <20221120082114.3030-2-jszhang@kernel.org>
In-Reply-To: <20221120082114.3030-1-jszhang@kernel.org>
References: <20221120082114.3030-1-jszhang@kernel.org>
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Add bindings doc for Bouffalolab UART Driver

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
 .../bindings/serial/bouffalolab,uart.yaml     | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml

diff --git a/Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml b/Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml
new file mode 100644
index 000000000000..6cef956d33d2
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2022 Jisheng Zhang <jszhang@kernel.org>
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/serial/bouffalolab,uart.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Bouffalolab UART Controller
+
+maintainers:
+  - Jisheng Zhang <jszhang@kernel.org>
+
+allOf:
+  - $ref: serial.yaml#
+
+properties:
+  compatible:
+    const: bouffalolab,uart
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    aliases {
+        serial0 = &uart0;
+    };
+
+    uart0: serial@30002000 {
+        compatible = "bouffalolab,uart";
+        reg = <0x30002000 0x1000>;
+        interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&xtal>;
+    };
+...
-- 
2.37.2