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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml new file mode 100644 index 000000000000..4d69f79df859 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/brcm,bcm6345-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6345 GPIO controller + +maintainers: + - Álvaro Fernández Rojas <noltari@gmail.com> + - Jonas Gorski <jonas.gorski@gmail.com> + +description: |+ + Bindings for Broadcom's BCM63xx memory-mapped GPIO controllers. + + These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345 + are the only ones which don't need a pinctrl driver. + + BCM6338 have 8-bit data and dirout registers, where GPIO state can be read + and/or written, and the direction changed from input to output. + BCM6345 have 16-bit data and dirout registers, where GPIO state can be read + and/or written, and the direction changed from input to output. + BCM6318, BCM6328, BCM6358, BCM6362, BCM6368 and BCM63268 have 32-bit data + and dirout registers, where GPIO state can be read and/or written, and the + direction changed from input to output. + +properties: + compatible: + enum: + - brcm,bcm6318-gpio + - brcm,bcm6328-gpio + - brcm,bcm6345-gpio + - brcm,bcm6358-gpio + - brcm,bcm6362-gpio + - brcm,bcm6368-gpio + - brcm,bcm63268-gpio + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + maxItems: 1 + + native-endian: true + + reg: + maxItems: 2 + + reg-names: + items: + - const: dirout + - const: dat + +required: + - compatible + - reg + - reg-names + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +examples: + - | + gpio@fffe0406 { + compatible = "brcm,bcm6345-gpio"; + reg-names = "dirout", "dat"; + reg = <0xfffe0406 2>, <0xfffe040a 2>; + native-endian; + + gpio-controller; + #gpio-cells = <2>; + }; + + - | + gpio@0 { + compatible = "brcm,bcm63268-gpio"; + reg-names = "dirout", "dat"; + reg = <0x0 0x8>, <0x8 0x8>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 52>; + #gpio-cells = <2>; + }; |