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This adds the necessary dt-bindings and documentation to use the ADI SC5xx pinctrl driver in a device tree. It is not yet available upstream in the Linux kernel. Eventually, it will be moved there. Signed-off-by: Vasileios Bimpikas <vasileios.bimpikas@analog.com> Signed-off-by: Utsav Agarwal <utsav.agarwal@analog.com> Signed-off-by: Arturs Artamonovs <arturs.artamonovs@analog.com> Signed-off-by: Greg Malysa <malysagreg@gmail.com>
73 lines
1.8 KiB
YAML
73 lines
1.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pinctrl/adi,adsp-pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Pinctrl Driver for Analog Devices SC5xx Processors
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maintainers:
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- Vasileios Bimpikas <vasileios.bimpikas@analog.com>
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- Utsav Agarwal <utsav.agarwal@analog.com>
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- Arturs Artamonovs <arturs.artamonovs@analog.com>
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description: |
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This driver provides an interface for performing pin configuration
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Analog Devices SoCs using the ADSP PORT hardware for pin
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configuration according to the HRM. Currently this is only the
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SC5xx series.
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properties:
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compatible:
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const: adi,adsp-pinctrl
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reg:
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maxItems: 1
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adi,npins:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Total number of pins available to this SoC's pin controller,
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found in the HRM.
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patternProperties:
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'_pins$':
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type: object
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properties:
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adi,pins:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description:
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For n pins, 2n values must be provided as a sequence of pin
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name as identified with the ADI_ADSP_PIN() macro and a pin
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function constant, both defined in
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include/dt-bindings/pinctrl/adi-adsp.h.
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required:
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- adi,pins
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additionalProperties: false
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required:
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- compatible
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- reg
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- adi,npins
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/pinctrl/adi-adsp.h>
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soc {
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pinctrl0: pinctrl@0x31004000 {
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compatible = "adi,adsp-pinctrl";
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reg = <0x31004000 0x500>;
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adi,npins = <135>;
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uart0_default: uart0_pins {
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adi,pins = <ADI_ADSP_PIN('A', 6) ADI_ADSP_PINFUNC_ALT1>,
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<ADI_ADSP_PIN('A', 7) ADI_ADSP_PINFUNC_ALT1>;
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};
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};
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};
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