Commit 63deeba6 authored by Rob Herring's avatar Rob Herring
Browse files

dt-bindings: misc: Convert IDT 89HPESx to DT schema 



Convert the IDT 89HPESx device binding to DT schema format.

"onsemi,24c64" was not a documented compatible string, so update the
example to "atmel,24c64". It's not clear what's in use here as no
upstream dts files have the eeprom child node.

Acked-by: default avatarSerge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20221005212631.122145-1-robh@kernel.org


Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 3eecdba4

Documentation/devicetree/bindings/misc/idt,89hpesx.yaml

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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/misc/idt,89hpesx.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: EEPROM / CSR SMBus-slave interface of IDT 89HPESx devices



maintainers:

  - Serge Semin <fancer.lancer@gmail.com>



select:

  properties:

    compatible:

      contains:

        pattern: '^idt,89hpes'

  required:

    - compatible



properties:

  compatible:

    oneOf:

      - pattern: '^idt,89hpes(8nt2|12nt3|12n3a?|24n3a?|(12|24)t3g2|4t4g2|10t4g2|[56]t5|8t5a?)$'

      - pattern: '^idt,89hpes(6t6g2|16t7|(24t6|32t8|48t12|16t4a?)(g2)?)$'

      - pattern: '^idt,89hpes(24nt6a|32nt8[ab]|12nt12|16nt16|24nt24|32nt24[ab])g2$'

      - pattern: '^idt,89hpes((32h8|48h12a?|22h16|34h16|64h16a?)(g2)?|16h16)$'



  reg:

    maxItems: 1



  '#address-cells':

    const: 1

  

  '#size-cells':

    const: 0



patternProperties:

  '^eeprom@':

    $ref: /schemas/eeprom/at24.yaml#

    unevaluatedProperties: false



    properties:

      compatible:

        description: Only a subset of devices are supported

        pattern: ',24c(32|64|128|256|512)$'



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        idt@74 {

            compatible = "idt,89hpes32nt8ag2";

            reg = <0x74>;

            #address-cells = <1>;

            #size-cells = <0>;



            eeprom@50 {

                compatible = "atmel,24c64";

                reg = <0x50>;

                read-only;

            };

        };

    };

...

Documentation/devicetree/bindings/misc/idt_89hpesx.txt

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EEPROM / CSR SMBus-slave interface of IDT 89HPESx devices



Required properties:

  - compatible : should be "<manufacturer>,<type>"

		 Basically there is only one manufacturer: idt, but some

		 compatible devices may be produced in future. Following devices

		 are supported: 89hpes8nt2, 89hpes12nt3, 89hpes24nt6ag2,

		 89hpes32nt8ag2, 89hpes32nt8bg2, 89hpes12nt12g2, 89hpes16nt16g2,

		 89hpes24nt24g2, 89hpes32nt24ag2, 89hpes32nt24bg2;

		 89hpes12n3, 89hpes12n3a, 89hpes24n3, 89hpes24n3a;

		 89hpes32h8, 89hpes32h8g2, 89hpes48h12, 89hpes48h12g2,

		 89hpes48h12ag2, 89hpes16h16, 89hpes22h16, 89hpes22h16g2,

		 89hpes34h16, 89hpes34h16g2, 89hpes64h16, 89hpes64h16g2,

		 89hpes64h16ag2;

		 89hpes12t3g2, 89hpes24t3g2, 89hpes16t4, 89hpes4t4g2,

		 89hpes10t4g2, 89hpes16t4g2, 89hpes16t4ag2, 89hpes5t5,

		 89hpes6t5, 89hpes8t5, 89hpes8t5a, 89hpes24t6, 89hpes6t6g2,

		 89hpes24t6g2, 89hpes16t7, 89hpes32t8, 89hpes32t8g2,

		 89hpes48t12, 89hpes48t12g2.

  - reg :	 I2C address of the IDT 89HPESx device.



Optionally there can be EEPROM-compatible subnode:

  - compatible:  There are five EEPROM devices supported: 24c32, 24c64, 24c128,

		 24c256 and 24c512 differed by size.

  - reg:         Custom address of EEPROM device (If not specified IDT 89HPESx

    (optional)	 device will try to communicate with EEPROM sited by default

		 address - 0x50)

  - read-only :	 Parameterless property disables writes to the EEPROM

    (optional)



Example:

	idt@60 {

		compatible = "idt,89hpes32nt8ag2";

		reg = <0x74>;

		#address-cells = <1>;

		#size-cells = <0>;



		eeprom@50 {

			compatible = "onsemi,24c64";

			reg = <0x50>;

			read-only;

		};

	};