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dt-bindings: i2c: i2c-fsi: Convert to json-schema
Convert to json-schema for the FSI-attached I2C controller.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Ninad Palsule <ninad@linux.ibm.com>
Link: https://lore.kernel.org/r/20240522192524.3286237-12-eajames@linux.ibm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
authored by
Eddie James
and committed by
Rob Herring (Arm)
1a73912f
51a3f7c5
+77
-41
-40
Documentation/devicetree/bindings/i2c/i2c-fsi.txt
-40
Documentation/devicetree/bindings/i2c/i2c-fsi.txt
···
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Device-tree bindings for FSI-attached I2C master and busses
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-----------------------------------------------------------
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Required properties:
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- compatible = "ibm,i2c-fsi";
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- reg = < address size >; : The FSI CFAM address and address
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space size.
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- #address-cells = <1>; : Number of address cells in child
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nodes.
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- #size-cells = <0>; : Number of size cells in child nodes.
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- child nodes : Nodes to describe busses off the I2C
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master.
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Child node required properties:
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- reg = < port number > : The port number on the I2C master.
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Child node optional properties:
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- child nodes : Nodes to describe devices on the I2C
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bus.
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Examples:
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i2c@1800 {
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compatible = "ibm,i2c-fsi";
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reg = < 0x1800 0x400 >;
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#address-cells = <1>;
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#size-cells = <0>;
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i2c-bus@0 {
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reg = <0>;
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};
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i2c-bus@1 {
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reg = <1>;
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-
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eeprom@50 {
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compatible = "vendor,dev-name";
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};
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};
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};
+76
Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml
+76
Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml
···
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/i2c/ibm,i2c-fsi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: IBM FSI-attached I2C controller
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maintainers:
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- Eddie James <eajames@linux.ibm.com>
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description:
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This I2C controller is an FSI CFAM engine, providing access to a number of
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I2C busses. Therefore this node will always be a child of an FSI CFAM node.
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properties:
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compatible:
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enum:
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- ibm,i2c-fsi
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reg:
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items:
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- description: FSI slave address
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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patternProperties:
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"^i2c-bus@[0-9a-f]+$":
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type: object
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properties:
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reg:
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maxItems: 1
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required:
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- reg
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allOf:
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- $ref: /schemas/i2c/i2c-controller.yaml#
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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i2c@1800 {
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compatible = "ibm,i2c-fsi";
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reg = <0x1800 0x400>;
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#address-cells = <1>;
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#size-cells = <0>;
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i2c-bus@0 {
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reg = <0>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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i2c-bus@1 {
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reg = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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+
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eeprom@50 {
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compatible = "atmel,24c64";
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reg = <0x50>;
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};
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};
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};
+1
-1
MAINTAINERS
+1
-1
MAINTAINERS
···
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L: linux-i2c@vger.kernel.org
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L: openbmc@lists.ozlabs.org (moderated for non-subscribers)
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S: Maintained
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F: Documentation/devicetree/bindings/i2c/i2c-fsi.txt
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F: Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml
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F: drivers/i2c/busses/i2c-fsi.c
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FSI-ATTACHED SPI DRIVER