bindings/gpio/brcm%2Cbcm6345-gpio.yaml

0001 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/gpio/brcm,bcm6345-gpio.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Broadcom BCM6345 GPIO controller
0008
0009 maintainers:
0010   - Álvaro Fernández Rojas <noltari@gmail.com>
0011   - Jonas Gorski <jonas.gorski@gmail.com>
0012
0013 description: |+
0014   Bindings for Broadcom's BCM63xx memory-mapped GPIO controllers.
0015
0016   These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345
0017   are the only ones which don't need a pinctrl driver.
0018
0019   BCM6338 have 8-bit data and dirout registers, where GPIO state can be read
0020   and/or written, and the direction changed from input to output.
0021   BCM6345 have 16-bit data and dirout registers, where GPIO state can be read
0022   and/or written, and the direction changed from input to output.
0023   BCM6318, BCM6328, BCM6358, BCM6362, BCM6368 and BCM63268 have 32-bit data
0024   and dirout registers, where GPIO state can be read and/or written, and the
0025   direction changed from input to output.
0026
0027 properties:
0028   compatible:
0029     enum:
0030       - brcm,bcm6318-gpio
0031       - brcm,bcm6328-gpio
0032       - brcm,bcm6345-gpio
0033       - brcm,bcm6358-gpio
0034       - brcm,bcm6362-gpio
0035       - brcm,bcm6368-gpio
0036       - brcm,bcm63268-gpio
0037
0038   gpio-controller: true
0039
0040   "#gpio-cells":
0041     const: 2
0042
0043   gpio-ranges:
0044     maxItems: 1
0045
0046   native-endian: true
0047
0048   reg:
0049     maxItems: 2
0050
0051   reg-names:
0052     items:
0053       - const: dirout
0054       - const: dat
0055
0056 required:
0057   - compatible
0058   - reg
0059   - reg-names
0060   - gpio-controller
0061   - '#gpio-cells'
0062
0063 additionalProperties: false
0064
0065 examples:
0066   - |
0067     gpio@fffe0406 {
0068       compatible = "brcm,bcm6345-gpio";
0069       reg-names = "dirout", "dat";
0070       reg = <0xfffe0406 2>, <0xfffe040a 2>;
0071       native-endian;
0072
0073       gpio-controller;
0074       #gpio-cells = <2>;
0075     };
0076
0077   - |
0078     gpio@0 {
0079       compatible = "brcm,bcm63268-gpio";
0080       reg-names = "dirout", "dat";
0081       reg = <0x0 0x8>, <0x8 0x8>;
0082
0083       gpio-controller;
0084       gpio-ranges = <&pinctrl 0 0 52>;
0085       #gpio-cells = <2>;
0086     };