1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 %YAML 1.2 3 --- 4 $id: http://devicetree.org/schemas/gpio/kontron,sl28cpld-gpio.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 6 7 title: GPIO driver for the sl28cpld board management controller 8 9 maintainers: 10 - Michael Walle <michael@walle.cc> 11 12 description: | 13 This module is part of the sl28cpld multi-function device. For more 14 details see ../mfd/kontron,sl28cpld.yaml. 15 16 There are three flavors of the GPIO controller, one full featured 17 input/output with interrupt support (kontron,sl28cpld-gpio), one 18 output-only (kontron,sl28-gpo) and one input-only (kontron,sl28-gpi). 19 20 Each controller supports 8 GPIO lines. 21 22 properties: 23 compatible: 24 enum: 25 - kontron,sl28cpld-gpio 26 - kontron,sl28cpld-gpi 27 - kontron,sl28cpld-gpo 28 29 reg: 30 maxItems: 1 31 32 interrupts: 33 maxItems: 1 34 35 "#interrupt-cells": 36 const: 2 37 38 interrupt-controller: true 39 40 "#gpio-cells": 41 const: 2 42 43 gpio-controller: true 44 45 gpio-line-names: 46 minItems: 1 47 maxItems: 8 48 49 required: 50 - compatible 51 - "#gpio-cells" 52 - gpio-controller 53 54 additionalProperties: false
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