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Add binding document and device tree binding constants for Nuvoton BMC NPCM8XX reset controller. Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
59 lines
1.4 KiB
YAML
59 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/reset/nuvoton,npcm750-reset.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Nuvoton NPCM Reset controller
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maintainers:
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- Tomer Maimon <tmaimon77@gmail.com>
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properties:
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compatible:
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enum:
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- nuvoton,npcm750-reset # Poleg NPCM7XX SoC
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- nuvoton,npcm845-reset # Arbel NPCM8XX SoC
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reg:
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maxItems: 1
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'#reset-cells':
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const: 2
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nuvoton,sysgcr:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: a phandle to access GCR registers.
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nuvoton,sw-reset-number:
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 1
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maximum: 4
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description: |
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Contains the software reset number to restart the SoC.
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If not specified, software reset is disabled.
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required:
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- compatible
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- reg
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- '#reset-cells'
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- nuvoton,sysgcr
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
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rstc: rstc@f0801000 {
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compatible = "nuvoton,npcm750-reset";
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reg = <0xf0801000 0x70>;
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#reset-cells = <2>;
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nuvoton,sysgcr = <&gcr>;
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nuvoton,sw-reset-number = <2>;
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};
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// Specifying reset lines connected to IP NPCM7XX modules
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spi0: spi {
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resets = <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_PSPI1>;
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};
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