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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml b/Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml new file mode 100644 index 000000000..a36aec270 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 Bootlin +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/gpio/xylon,logicvc-gpio.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Xylon LogiCVC GPIO controller + +maintainers: + - Paul Kocialkowski <paul.kocialkowski@bootlin.com> + +description: | + The LogiCVC GPIO describes the GPIO block included in the LogiCVC display + controller. These are meant to be used for controlling display-related + signals. + + The controller exposes GPIOs from the display and power control registers, + which are mapped by the driver as follows: + - GPIO[4:0] (display control) mapped to index 0-4 + - EN_BLIGHT (power control) mapped to index 5 + - EN_VDD (power control) mapped to index 6 + - EN_VEE (power control) mapped to index 7 + - V_EN (power control) mapped to index 8 + +properties: + $nodename: + pattern: "^gpio@[0-9a-f]+$" + + compatible: + enum: + - xylon,logicvc-3.02.a-gpio + + reg: + maxItems: 1 + + "#gpio-cells": + const: 2 + + gpio-controller: true + + gpio-line-names: + minItems: 1 + maxItems: 9 + +required: + - compatible + - reg + - "#gpio-cells" + - gpio-controller + +additionalProperties: false + +examples: + - | + logicvc: logicvc@43c00000 { + compatible = "xylon,logicvc-3.02.a", "syscon", "simple-mfd"; + reg = <0x43c00000 0x6000>; + + #address-cells = <1>; + #size-cells = <1>; + + logicvc_gpio: gpio@40 { + compatible = "xylon,logicvc-3.02.a-gpio"; + reg = <0x40 0x40>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "GPIO0", "GPIO1", "GPIO2", "GPIO3", "GPIO4", + "EN_BLIGHT", "EN_VDD", "EN_VEE", "V_EN"; + }; + }; |