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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)2# Copyright 2019 Bootlin3%YAML 1.24---5$id: http://devicetree.org/schemas/gpio/xylon,logicvc-gpio.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: Xylon LogiCVC GPIO controller9 10maintainers:11 - Paul Kocialkowski <paul.kocialkowski@bootlin.com>12 13description: |14 The LogiCVC GPIO describes the GPIO block included in the LogiCVC display15 controller. These are meant to be used for controlling display-related16 signals.17 18 The controller exposes GPIOs from the display and power control registers,19 which are mapped by the driver as follows:20 - GPIO[4:0] (display control) mapped to index 0-421 - EN_BLIGHT (power control) mapped to index 522 - EN_VDD (power control) mapped to index 623 - EN_VEE (power control) mapped to index 724 - V_EN (power control) mapped to index 825 26properties:27 $nodename:28 pattern: "^gpio@[0-9a-f]+$"29 30 compatible:31 enum:32 - xylon,logicvc-3.02.a-gpio33 34 reg:35 maxItems: 136 37 "#gpio-cells":38 const: 239 40 gpio-controller: true41 42 gpio-line-names:43 minItems: 144 maxItems: 945 46required:47 - compatible48 - reg49 - "#gpio-cells"50 - gpio-controller51 52additionalProperties: false53 54examples:55 - |56 logicvc: logicvc@43c00000 {57 compatible = "xylon,logicvc-3.02.a", "syscon", "simple-mfd";58 reg = <0x43c00000 0x6000>;59 60 #address-cells = <1>;61 #size-cells = <1>;62 63 logicvc_gpio: gpio@40 {64 compatible = "xylon,logicvc-3.02.a-gpio";65 reg = <0x40 0x40>;66 gpio-controller;67 #gpio-cells = <2>;68 gpio-line-names = "GPIO0", "GPIO1", "GPIO2", "GPIO3", "GPIO4",69 "EN_BLIGHT", "EN_VDD", "EN_VEE", "V_EN";70 };71 };72