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Date: Mon, 15 Jun 2020 11:31:56 -0600
From: Rob Herring <robh@...nel.org>
To: Anson Huang <Anson.Huang@....com>
Cc: dmitry.torokhov@...il.com, 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, Linux-imx@....com
Subject: Re: [PATCH] dt-bindings: input: Convert imx keypad to json-schema
On Thu, Jun 04, 2020 at 02:43:21PM +0800, Anson Huang wrote:
> 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
Can you please convert matrix-keymap.txt to a schema first and then
include in here.
> +
> +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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