236 lines
5.6 KiB
YAML
236 lines
5.6 KiB
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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$id: http://devicetree.org/schemas/gpio/gpio-pca95xx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP PCA95xx I2C GPIO multiplexer
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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description: |+
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Bindings for the family of I2C GPIO multiplexers/expanders: NXP PCA95xx,
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Maxim MAX73xx
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properties:
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compatible:
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oneOf:
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- items:
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- const: diodes,pi4ioe5v6534q
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- const: nxp,pcal6534
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- items:
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- enum:
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- exar,xra1202
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- maxim,max7310
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- maxim,max7312
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- maxim,max7313
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- maxim,max7315
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- maxim,max7319
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- maxim,max7320
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- maxim,max7321
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- maxim,max7322
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- maxim,max7323
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- maxim,max7324
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- maxim,max7325
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- maxim,max7326
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- maxim,max7327
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- nxp,pca6408
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- nxp,pca6416
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- nxp,pca9505
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- nxp,pca9506
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- nxp,pca9534
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- nxp,pca9535
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- nxp,pca9536
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- nxp,pca9537
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- nxp,pca9538
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- nxp,pca9539
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- nxp,pca9554
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- nxp,pca9555
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- nxp,pca9556
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- nxp,pca9557
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- nxp,pca9574
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- nxp,pca9575
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- nxp,pca9698
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- nxp,pcal6408
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- nxp,pcal6416
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- nxp,pcal6524
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- nxp,pcal6534
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- nxp,pcal9535
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- nxp,pcal9554b
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- nxp,pcal9555a
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- onnn,cat9554
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- onnn,pca9654
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- ti,pca6107
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- ti,pca9536
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- ti,tca6408
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- ti,tca6416
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- ti,tca6424
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- ti,tca9539
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- ti,tca9554
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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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gpio-line-names:
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minItems: 1
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maxItems: 40
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interrupts:
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maxItems: 1
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interrupt-controller: true
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'#interrupt-cells':
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const: 2
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reset-gpios:
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maxItems: 1
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description:
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GPIO specification for the RESET input. This is an active low signal to
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the PCA953x. Not valid for Maxim MAX732x devices.
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vcc-supply:
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description:
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Optional power supply. Not valid for Maxim MAX732x devices.
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wakeup-source:
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$ref: /schemas/types.yaml#/definitions/flag
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patternProperties:
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"^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
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type: object
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properties:
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gpio-hog: true
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gpios: true
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input: true
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output-high: true
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output-low: true
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line-name: true
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required:
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- gpio-hog
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- gpios
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additionalProperties: false
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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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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- maxim,max7320
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- maxim,max7321
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- maxim,max7322
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- maxim,max7323
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- maxim,max7324
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- maxim,max7325
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- maxim,max7326
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- maxim,max7327
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then:
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properties:
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reset-gpios: false
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vcc-supply: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c0 {
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#address-cells = <1>;
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#size-cells = <0>;
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gpio@20 {
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compatible = "nxp,pca9505";
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reg = <0x20>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_pca9505>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-parent = <&gpio3>;
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interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
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usb3-sata-sel-hog {
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gpio-hog;
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gpios = <4 GPIO_ACTIVE_HIGH>;
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output-low;
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line-name = "usb3_sata_sel";
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};
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};
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};
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c1 {
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#address-cells = <1>;
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#size-cells = <0>;
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gpio99: gpio@22 {
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compatible = "nxp,pcal6524";
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reg = <0x22>;
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interrupt-parent = <&gpio6>;
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interrupts = <1 IRQ_TYPE_EDGE_FALLING>; /* gpio6_161 */
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interrupt-controller;
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#interrupt-cells = <2>;
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vcc-supply = <&vdds_1v8_main>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names = "hdmi-ct-hpd", "hdmi.ls-oe", "p02", "p03",
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"vibra", "fault2", "p06", "p07", "en-usb",
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"en-host1", "en-host2", "chg-int", "p14", "p15",
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"mic-int", "en-modem", "shdn-hs-amp",
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"chg-status+red", "green", "blue", "en-esata",
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"fault1", "p26", "p27";
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};
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};
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c2 {
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#address-cells = <1>;
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#size-cells = <0>;
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/* MAX7325 with interrupt support enabled */
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gpio@6d {
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compatible = "maxim,max7325";
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reg = <0x6d>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&gpio4>;
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interrupts = <29 IRQ_TYPE_EDGE_FALLING>;
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};
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};
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- |
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i2c3 {
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#address-cells = <1>;
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#size-cells = <0>;
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/* MAX7325 with interrupt support disabled */
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gpio@6e {
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compatible = "maxim,max7325";
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reg = <0x6e>;
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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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