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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/ti,da850-pupd.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments DA850/OMAP-L138/AM18x Pin Configuration
maintainers:
- Eduard Bostina <egbostina@gmail.com>
description:
These SoCs have a separate controller for setting bias (internal pullup/down).
Bias can only be selected for groups rather than individual pins.
The controller node also acts as a container for pin group configuration nodes.
The names of these groups are ignored.
properties:
compatible:
const: ti,da850-pupd
reg:
maxItems: 1
pinctrl-0: true
pinctrl-names: true
patternProperties:
"-groups$":
type: object
additionalProperties: false
patternProperties:
"^(disable|pull-(up|down))$":
$ref: /schemas/pinctrl/pincfg-node.yaml#
properties:
groups:
$ref: /schemas/types.yaml#/definitions/string-array
description: An array of strings containing the name of a pin group.
items:
pattern: "^cp([0-9]|[1-2][0-9]|3[0-1])$"
bias-disable: true
bias-pull-up: true
bias-pull-down: true
additionalProperties: false
required:
- compatible
- reg
additionalProperties: false
examples:
- |
pinconf: pin-controller@22c00c {
compatible = "ti,da850-pupd";
reg = <0x22c00c 0x8>;
pinctrl-0 = <&pinconf_bias_groups>;
pinctrl-names = "default";
pinconf_bias_groups: bias-groups {
pull-up {
groups = "cp30", "cp31";
bias-pull-up;
};
pull-down {
groups = "cp29", "cp28";
bias-pull-down;
};
disable {
groups = "cp27", "cp26";
bias-disable;
};
};
};
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