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From:   Yinbo Zhu <zhuyinbo@loongson.cn>
To:     Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Huacai Chen <chenhuacai@kernel.org>,
        WANG Xuerui <kernel@xen0n.name>,
        Jiaxun Yang <jiaxun.yang@flygoat.com>,
        Jianmin Lv <lvjianmin@loongson.cn>,
        Yang Li <yang.lee@linux.alibaba.com>,
        linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, loongarch@lists.linux.dev,
        Yinbo Zhu <zhuyinbo@loongson.cn>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH v10 4/4] dt-bindings: clock: add loongson-2 clock
Date:   Tue, 29 Nov 2022 11:41:57 +0800
Message-Id: <20221129034157.15036-4-zhuyinbo@loongson.cn>
In-Reply-To: <20221129034157.15036-1-zhuyinbo@loongson.cn>
References: <20221129034157.15036-1-zhuyinbo@loongson.cn>
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Add the Loongson-2 clock binding with DT schema format using
json-schema.

Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
Change in v10:
		1. NO change, but other patch in this series of patches has
		   changes.
Change in v9:
		1. Add all history changlog information.
Change in v8:
		1. NO change, but other patch in this series of patches has
		   changes.
Change in v7:
		1. NO change, but other patch in this series of patches has
		   changes.
Change in v6:
		1. NO change, but other patch in this series of patches has
		   changes.
Change in v5:
		1. NO change, but other patch in this series of patches has
		   changes.
Change in v4:
		1. NO change, but other patch in this series of patches has
		   changes.
Change in v3:
		1. Drop redundant (last) binding from the title.
		2. Drop "- |" between ref_100m node and clk node.
Change in v2:
		1. Drop "Binding" string in the title.
		2. Drop entire allOf and move the contents to top level.
		3. Change string "refclk_100m" to "ref_100m". 

 .../bindings/clock/loongson,ls2k-clk.yaml     | 63 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml

diff --git a/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
new file mode 100644
index 000000000000..63a59015987e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/loongson,ls2k-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-2 SoC Clock Control Module
+
+maintainers:
+  - Yinbo Zhu <zhuyinbo@loongson.cn>
+
+description: |
+  Loongson-2 SoC clock control module is an integrated clock controller, which
+  generates and supplies to all modules.
+
+properties:
+  compatible:
+    enum:
+      - loongson,ls2k-clk
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: 100m ref
+
+  clock-names:
+    items:
+      - const: ref_100m
+
+  '#clock-cells':
+    const: 1
+    description:
+      The clock consumer should specify the desired clock by having the clock
+      ID in its "clocks" phandle cell. See include/dt-bindings/clock/loongson,ls2k-clk.h
+      for the full list of Loongson-2 SoC clock IDs.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    ref_100m: clock-ref-100m {
+        compatible = "fixed-clock";
+        #clock-cells = <0>;
+        clock-frequency = <100000000>;
+        clock-output-names = "ref_100m";
+    };
+
+    clk: clock-controller@1fe00480 {
+        compatible = "loongson,ls2k-clk";
+        reg = <0x1fe00480 0x58>;
+        #clock-cells = <1>;
+        clocks = <&ref_100m>;
+        clock-names = "ref_100m";
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 73fa56f1fd5d..0cdd1437c093 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12025,6 +12025,7 @@ LOONGSON-2 SOC SERIES CLOCK DRIVER
 M:	Yinbo Zhu <zhuyinbo@loongson.cn>
 L:	linux-clk@vger.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
 F:	drivers/clk/clk-loongson2.c
 F:	include/dt-bindings/clock/loongson,ls2k-clk.h
 
-- 
2.31.1