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Date:   Tue, 12 May 2020 10:23:14 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     p.zabel@...gutronix.de, robh+dt@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH] dt-bindings: reset: Convert i.MX reset to json-schema

Convert the i.MX reset binding to DT schema format using json-schema.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 .../devicetree/bindings/reset/fsl,imx-src.txt      | 49 ------------------
 .../devicetree/bindings/reset/fsl,imx-src.yaml     | 58 ++++++++++++++++++++++
 2 files changed, 58 insertions(+), 49 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/reset/fsl,imx-src.txt
 create mode 100644 Documentation/devicetree/bindings/reset/fsl,imx-src.yaml

diff --git a/Documentation/devicetree/bindings/reset/fsl,imx-src.txt b/Documentation/devicetree/bindings/reset/fsl,imx-src.txt
deleted file mode 100644
index 6ed79e6..0000000
--- a/Documentation/devicetree/bindings/reset/fsl,imx-src.txt
+++ /dev/null
@@ -1,49 +0,0 @@
-Freescale i.MX System Reset Controller
-======================================
-
-Please also refer to reset.txt in this directory for common reset
-controller binding usage.
-
-Required properties:
-- compatible: Should be "fsl,<chip>-src"
-- reg: should be register base and length as documented in the
-  datasheet
-- interrupts: Should contain SRC interrupt and CPU WDOG interrupt,
-  in this order.
-- #reset-cells: 1, see below
-
-example:
-
-src: src@...8000 {
-        compatible = "fsl,imx6q-src";
-        reg = <0x020d8000 0x4000>;
-        interrupts = <0 91 0x04 0 96 0x04>;
-        #reset-cells = <1>;
-};
-
-Specifying reset lines connected to IP modules
-==============================================
-
-The system reset controller can be used to reset the GPU, VPU,
-IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device
-nodes should specify the reset line on the SRC in their resets
-property, containing a phandle to the SRC device node and a
-RESET_INDEX specifying which module to reset, as described in
-reset.txt
-
-example:
-
-        ipu1: ipu@...0000 {
-                resets = <&src 2>;
-        };
-        ipu2: ipu@...0000 {
-                resets = <&src 4>;
-        };
-
-The following RESET_INDEX values are valid for i.MX5:
-GPU_RESET     0
-VPU_RESET     1
-IPU1_RESET    2
-OPEN_VG_RESET 3
-The following additional RESET_INDEX value is valid for i.MX6:
-IPU2_RESET    4
diff --git a/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml b/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml
new file mode 100644
index 0000000..276a533
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/fsl,imx-src.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX System Reset Controller
+
+maintainers:
+  - Philipp Zabel <p.zabel@...gutronix.de>
+
+description: |
+  The system reset controller can be used to reset the GPU, VPU,
+  IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device
+  nodes should specify the reset line on the SRC in their resets
+  property, containing a phandle to the SRC device node and a
+  RESET_INDEX specifying which module to reset, as described in
+  reset.txt
+
+  The following RESET_INDEX values are valid for i.MX5:
+    GPU_RESET     0
+    VPU_RESET     1
+    IPU1_RESET    2
+    OPEN_VG_RESET 3
+  The following additional RESET_INDEX value is valid for i.MX6:
+    IPU2_RESET    4
+
+properties:
+  compatible:
+    items:
+      - const: "fsl,imx51-src"
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    src@...d0000 {
+        compatible = "fsl,imx51-src";
+        reg = <0x73fd0000 0x4000>;
+        interrupts = <75>;
+        #reset-cells = <1>;
+    };
-- 
2.7.4

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