linux-kernel - [PATCH V2 2/3] dt-bindings: clock: Convert i.MX8MM to json-schema

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Message-Id: <1578965167-31588-2-git-send-email-Anson.Huang@nxp.com>
Date:   Tue, 14 Jan 2020 09:26:06 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        mark.rutland@....com, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH V2 2/3] dt-bindings: clock: Convert i.MX8MM to json-schema

Convert the i.MX8MM clock binding to DT schema format using json-schema

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
No change.
---
 .../devicetree/bindings/clock/imx8mm-clock.txt     | 29 ---------
 .../devicetree/bindings/clock/imx8mm-clock.yaml    | 68 ++++++++++++++++++++++
 2 files changed, 68 insertions(+), 29 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/clock/imx8mm-clock.txt
 create mode 100644 Documentation/devicetree/bindings/clock/imx8mm-clock.yaml

diff --git a/Documentation/devicetree/bindings/clock/imx8mm-clock.txt b/Documentation/devicetree/bindings/clock/imx8mm-clock.txt
deleted file mode 100644
index 8e4ab9e..0000000
--- a/Documentation/devicetree/bindings/clock/imx8mm-clock.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-* Clock bindings for NXP i.MX8M Mini
-
-Required properties:
-- compatible: Should be "fsl,imx8mm-ccm"
-- reg: Address and length of the register set
-- #clock-cells: Should be <1>
-- clocks: list of clock specifiers, must contain an entry for each required
-          entry in clock-names
-- clock-names: should include the following entries:
-    - "osc_32k"
-    - "osc_24m"
-    - "clk_ext1"
-    - "clk_ext2"
-    - "clk_ext3"
-    - "clk_ext4"
-
-clk: clock-controller@...80000 {
-	compatible = "fsl,imx8mm-ccm";
-	reg = <0x0 0x30380000 0x0 0x10000>;
-	#clock-cells = <1>;
-	clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>, <&clk_ext2>,
-		 <&clk_ext3>, <&clk_ext4>;
-	clock-names = "osc_32k", "osc_24m", "clk_ext1", "clk_ext2",
-		      "clk_ext3", "clk_ext4";
-};
-
-The clock consumer should specify the desired clock by having the clock
-ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8mm-clock.h
-for the full list of i.MX8M Mini clock IDs.
diff --git a/Documentation/devicetree/bindings/clock/imx8mm-clock.yaml b/Documentation/devicetree/bindings/clock/imx8mm-clock.yaml
new file mode 100644
index 0000000..f5be181
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/imx8mm-clock.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/clock/imx8mm-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8M Mini Clock Control Module Binding
+
+maintainers:
+  - Anson Huang <Anson.Huang@....com>
+
+description: |
+  NXP i.MX8M Mini clock control module is an integrated clock controller, which
+  generates and supplies to all modules.
+
+properties:
+  compatible:
+    const: fsl,imx8mm-ccm
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: 32k osc
+      - description: 24m osc
+      - description: ext1 clock input
+      - description: ext2 clock input
+      - description: ext3 clock input
+      - description: ext4 clock input
+
+  clock-names:
+    items:
+      - const: osc_32k
+      - const: osc_24m
+      - const: clk_ext1
+      - const: clk_ext2
+      - const: clk_ext3
+      - const: clk_ext4
+
+  '#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/imx8mm-clock.h
+      for the full list of i.MX8M Mini clock IDs.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+examples:
+  # Clock Control Module node:
+  - |
+    clk: clock-controller@...80000 {
+        compatible = "fsl,imx8mm-ccm";
+        reg = <0x30380000 0x10000>;
+        #clock-cells = <1>;
+        clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>, <&clk_ext2>,
+                 <&clk_ext3>, <&clk_ext4>;
+        clock-names = "osc_32k", "osc_24m", "clk_ext1", "clk_ext2",
+                      "clk_ext3", "clk_ext4";
+    };
+
+...
-- 
2.7.4