Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/gpio-pca95xx.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: NXP PCA95xx I2C GPIO multiplexer
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzk@kernel.org>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - exar,xra1202
  16       - maxim,max7310
  17       - maxim,max7312
  18       - maxim,max7313
  19       - maxim,max7315
  20       - nxp,pca6416
  21       - nxp,pca9505
  22       - nxp,pca9534
  23       - nxp,pca9535
  24       - nxp,pca9536
  25       - nxp,pca9537
  26       - nxp,pca9538
  27       - nxp,pca9539
  28       - nxp,pca9554
  29       - nxp,pca9555
  30       - nxp,pca9556
  31       - nxp,pca9557
  32       - nxp,pca9574
  33       - nxp,pca9575
  34       - nxp,pca9698
  35       - nxp,pcal6416
  36       - nxp,pcal6524
  37       - nxp,pcal9535
  38       - nxp,pcal9555a
  39       - onnn,cat9554
  40       - onnn,pca9654
  41       - ti,pca6107
  42       - ti,pca9536
  43       - ti,tca6408
  44       - ti,tca6416
  45       - ti,tca6424
  46       - ti,tca9539
  47       - ti,tca9554
  48
  49   reg:
  50     maxItems: 1
  51
  52   gpio-controller: true
  53
  54   '#gpio-cells':
  55     const: 2
  56
  57   gpio-line-names:
  58     minItems: 1
  59     maxItems: 32
  60
  61   interrupts:
  62     maxItems: 1
  63
  64   interrupt-controller: true
  65
  66   '#interrupt-cells':
  67     const: 2
  68
  69   reset-gpios:
  70     description:
  71       GPIO specification for the RESET input. This is an active low signal to
  72       the PCA953x.
  73
  74   vcc-supply:
  75     description:
  76       Optional power supply
  77
  78   wakeup-source:
  79     $ref: /schemas/types.yaml#/definitions/flag
  80
  81 patternProperties:
  82   "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
  83     type: object
  84     properties:
  85       gpio-hog: true
  86       gpios: true
  87       input: true
  88       output-high: true
  89       output-low: true
  90       line-name: true
  91
  92     required:
  93       - gpio-hog
  94       - gpios
  95
  96     additionalProperties: false
  97
  98 required:
  99   - compatible
 100   - reg
 101   - gpio-controller
 102   - "#gpio-cells"
 103
 104 additionalProperties: false
 105
 106 examples:
 107   - |
 108     #include <dt-bindings/gpio/gpio.h>
 109     #include <dt-bindings/interrupt-controller/irq.h>
 110
 111     i2c0 {
 112         #address-cells = <1>;
 113         #size-cells = <0>;
 114
 115         gpio@20 {
 116             compatible = "nxp,pca9505";
 117             reg = <0x20>;
 118             pinctrl-names = "default";
 119             pinctrl-0 = <&pinctrl_pca9505>;
 120             gpio-controller;
 121             #gpio-cells = <2>;
 122             interrupt-parent = <&gpio3>;
 123             interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
 124
 125             usb3-sata-sel-hog {
 126                 gpio-hog;
 127                 gpios = <4 GPIO_ACTIVE_HIGH>;
 128                 output-low;
 129                 line-name = "usb3_sata_sel";
 130             };
 131         };
 132     };
 133
 134   - |
 135     #include <dt-bindings/interrupt-controller/irq.h>
 136
 137     i2c1 {
 138         #address-cells = <1>;
 139         #size-cells = <0>;
 140
 141         gpio99: gpio@22 {
 142             compatible = "nxp,pcal6524";
 143             reg = <0x22>;
 144             interrupt-parent = <&gpio6>;
 145             interrupts = <1 IRQ_TYPE_EDGE_FALLING>; /* gpio6_161 */
 146             interrupt-controller;
 147             #interrupt-cells = <2>;
 148             vcc-supply = <&vdds_1v8_main>;
 149             gpio-controller;
 150             #gpio-cells = <2>;
 151             gpio-line-names = "hdmi-ct-hpd", "hdmi.ls-oe", "p02", "p03",
 152                               "vibra", "fault2", "p06", "p07", "en-usb",
 153                               "en-host1", "en-host2", "chg-int", "p14", "p15",
 154                               "mic-int", "en-modem", "shdn-hs-amp",
 155                               "chg-status+red", "green", "blue", "en-esata",
 156                               "fault1", "p26", "p27";
 157         };
 158
 159         ts3a227@3b {
 160             compatible = "ti,ts3a227e";
 161             reg = <0x3b>;
 162             interrupt-parent = <&gpio99>;
 163             interrupts = <14 IRQ_TYPE_EDGE_RISING>;
 164             ti,micbias = <0>; /* 2.1V */
 165         };
 166     };