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Date: Thu, 4 Jun 2020 14:43:21 +0800
From: Anson Huang <Anson.Huang@....com>
To: dmitry.torokhov@...il.com, robh+dt@...nel.org, shawnguo@...nel.org,
s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
gnuiyl@...il.com, linux-input@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Cc: Linux-imx@....com
Subject: [PATCH] dt-bindings: input: Convert imx keypad to json-schema
Convert the i.MX KEYPAD binding to DT schema format using json-schema
Signed-off-by: Anson Huang <Anson.Huang@....com>
---
.../devicetree/bindings/input/imx-keypad.txt | 53 -------------
.../devicetree/bindings/input/imx-keypad.yaml | 89 ++++++++++++++++++++++
2 files changed, 89 insertions(+), 53 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/input/imx-keypad.txt
create mode 100644 Documentation/devicetree/bindings/input/imx-keypad.yaml
diff --git a/Documentation/devicetree/bindings/input/imx-keypad.txt b/Documentation/devicetree/bindings/input/imx-keypad.txt
deleted file mode 100644
index 2ebaf7d..0000000
--- a/Documentation/devicetree/bindings/input/imx-keypad.txt
+++ /dev/null
@@ -1,53 +0,0 @@
-* Freescale i.MX Keypad Port(KPP) device tree bindings
-
-The KPP is designed to interface with a keypad matrix with 2-point contact
-or 3-point contact keys. The KPP is designed to simplify the software task
-of scanning a keypad matrix. The KPP is capable of detecting, debouncing,
-and decoding one or multiple keys pressed simultaneously on a keypad.
-
-Required SoC Specific Properties:
-- compatible: Should be "fsl,<soc>-kpp".
-
-- reg: Physical base address of the KPP and length of memory mapped
- region.
-
-- interrupts: The KPP interrupt number to the CPU(s).
-
-- clocks: The clock provided by the SoC to the KPP. Some SoCs use dummy
-clock(The clock for the KPP is provided by the SoCs automatically).
-
-Required Board Specific Properties:
-- pinctrl-names: The definition can be found at
-pinctrl/pinctrl-bindings.txt.
-
-- pinctrl-0: The definition can be found at
-pinctrl/pinctrl-bindings.txt.
-
-- linux,keymap: The definition can be found at
-bindings/input/matrix-keymap.txt.
-
-Example:
-kpp: kpp@...94000 {
- compatible = "fsl,imx51-kpp", "fsl,imx21-kpp";
- reg = <0x73f94000 0x4000>;
- interrupts = <60>;
- clocks = <&clks 0>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_kpp_1>;
- linux,keymap = <0x00000067 /* KEY_UP */
- 0x0001006c /* KEY_DOWN */
- 0x00020072 /* KEY_VOLUMEDOWN */
- 0x00030066 /* KEY_HOME */
- 0x0100006a /* KEY_RIGHT */
- 0x01010069 /* KEY_LEFT */
- 0x0102001c /* KEY_ENTER */
- 0x01030073 /* KEY_VOLUMEUP */
- 0x02000040 /* KEY_F6 */
- 0x02010042 /* KEY_F8 */
- 0x02020043 /* KEY_F9 */
- 0x02030044 /* KEY_F10 */
- 0x0300003b /* KEY_F1 */
- 0x0301003c /* KEY_F2 */
- 0x0302003d /* KEY_F3 */
- 0x03030074>; /* KEY_POWER */
-};
diff --git a/Documentation/devicetree/bindings/input/imx-keypad.yaml b/Documentation/devicetree/bindings/input/imx-keypad.yaml
new file mode 100644
index 0000000..a1350cd
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/imx-keypad.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/imx-keypad.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX Keypad Port(KPP) device tree bindings
+
+maintainers:
+ - Liu Ying <gnuiyl@...il.com>
+
+description: |
+ The KPP is designed to interface with a keypad matrix with 2-point contact
+ or 3-point contact keys. The KPP is designed to simplify the software task
+ of scanning a keypad matrix. The KPP is capable of detecting, debouncing,
+ and decoding one or multiple keys pressed simultaneously on a keypad.
+
+properties:
+ compatible:
+ oneOf:
+ - const: fsl,imx21-kpp
+ - items:
+ - enum:
+ - fsl,imx25-kpp
+ - fsl,imx27-kpp
+ - fsl,imx31-kpp
+ - fsl,imx35-kpp
+ - fsl,imx51-kpp
+ - fsl,imx53-kpp
+ - fsl,imx50-kpp
+ - fsl,imx6q-kpp
+ - fsl,imx6sx-kpp
+ - fsl,imx6sl-kpp
+ - fsl,imx6sll-kpp
+ - fsl,imx6ul-kpp
+ - fsl,imx7d-kpp
+ - const: fsl,imx21-kpp
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ linux,keymap:
+ $ref: '/schemas/types.yaml#/definitions/uint32-array'
+ description: |
+ An array of packed 1-cell entries containing the equivalent of row,
+ column and linux key-code. The 32-bit big endian cell is packed as:
+ row << 24 | column << 16 | key-code
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - linux,keymap
+
+additionalProperties: false
+
+examples:
+ - |
+ keypad@...94000 {
+ compatible = "fsl,imx51-kpp", "fsl,imx21-kpp";
+ reg = <0x73f94000 0x4000>;
+ interrupts = <60>;
+ clocks = <&clks 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_kpp_1>;
+ linux,keymap = <0x00000067 /* KEY_UP */
+ 0x0001006c /* KEY_DOWN */
+ 0x00020072 /* KEY_VOLUMEDOWN */
+ 0x00030066 /* KEY_HOME */
+ 0x0100006a /* KEY_RIGHT */
+ 0x01010069 /* KEY_LEFT */
+ 0x0102001c /* KEY_ENTER */
+ 0x01030073 /* KEY_VOLUMEUP */
+ 0x02000040 /* KEY_F6 */
+ 0x02010042 /* KEY_F8 */
+ 0x02020043 /* KEY_F9 */
+ 0x02030044 /* KEY_F10 */
+ 0x0300003b /* KEY_F1 */
+ 0x0301003c /* KEY_F2 */
+ 0x0302003d /* KEY_F3 */
+ 0x03030074>; /* KEY_POWER */
+ };
--
2.7.4
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