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4dc5794cf2
This patch adds device tree bindings for the NXP PCA9570, a 4-bit I2C GPO expander. Signed-off-by: Sungbo Eo <mans0n@gorani.run> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200630160934.1197066-1-mans0n@gorani.run Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
47 lines
758 B
YAML
47 lines
758 B
YAML
# 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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$id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: PCA9570 I2C GPO expander
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maintainers:
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- Sungbo Eo <mans0n@gorani.run>
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properties:
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compatible:
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enum:
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- nxp,pca9570
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reg:
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maxItems: 1
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gpio-controller: true
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'#gpio-cells':
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const: 2
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required:
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- compatible
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- reg
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- gpio-controller
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- "#gpio-cells"
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additionalProperties: false
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examples:
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- |
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i2c0 {
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#address-cells = <1>;
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#size-cells = <0>;
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gpio@24 {
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compatible = "nxp,pca9570";
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reg = <0x24>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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};
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...
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