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Diffstat (limited to 'Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml b/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml new file mode 100644 index 000000000..d82e65e37 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/nuvoton,npcm750-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NPCM Reset controller + +maintainers: + - Tomer Maimon <tmaimon77@gmail.com> + +properties: + compatible: + enum: + - nuvoton,npcm750-reset # Poleg NPCM7XX SoC + - nuvoton,npcm845-reset # Arbel NPCM8XX SoC + + reg: + maxItems: 1 + + '#reset-cells': + const: 2 + + nuvoton,sysgcr: + $ref: /schemas/types.yaml#/definitions/phandle + description: a phandle to access GCR registers. + + nuvoton,sw-reset-number: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 4 + description: | + Contains the software reset number to restart the SoC. + If not specified, software reset is disabled. + +required: + - compatible + - reg + - '#reset-cells' + - nuvoton,sysgcr + +additionalProperties: false + +examples: + - | + #include <dt-bindings/reset/nuvoton,npcm7xx-reset.h> + rstc: rstc@f0801000 { + compatible = "nuvoton,npcm750-reset"; + reg = <0xf0801000 0x70>; + #reset-cells = <2>; + nuvoton,sysgcr = <&gcr>; + nuvoton,sw-reset-number = <2>; + }; + + // Specifying reset lines connected to IP NPCM7XX modules + spi0: spi { + resets = <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_PSPI1>; + }; |