97 строки
2.5 KiB
YAML
97 строки
2.5 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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$id: http://devicetree.org/schemas/ata/sata_highbank.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Calxeda AHCI SATA Controller
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description: |
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The Calxeda SATA controller mostly conforms to the AHCI interface
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with some special extensions to add functionality, to map GPIOs for
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activity LEDs and for mapping the ComboPHYs.
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maintainers:
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- Andre Przywara <andre.przywara@arm.com>
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properties:
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compatible:
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const: calxeda,hb-ahci
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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dma-coherent: true
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calxeda,pre-clocks:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: |
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Indicates the number of additional clock cycles to transmit before
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sending an SGPIO pattern.
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calxeda,post-clocks:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: |
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Indicates the number of additional clock cycles to transmit after
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sending an SGPIO pattern.
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calxeda,led-order:
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description: Maps port numbers to offsets within the SGPIO bitstream.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 1
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maxItems: 8
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calxeda,port-phys:
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description: |
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phandle-combophy and lane assignment, which maps each SATA port to a
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combophy and a lane within that combophy
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$ref: /schemas/types.yaml#/definitions/phandle-array
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minItems: 1
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maxItems: 8
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items:
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minItems: 2
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maxItems: 2
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calxeda,tx-atten:
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description: |
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Contains TX attenuation override codes, one per port.
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The upper 24 bits of each entry are always 0 and thus ignored.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 1
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maxItems: 8
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calxeda,sgpio-gpio:
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maxItems: 3
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description: |
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phandle-gpio bank, bit offset, and default on or off, which indicates
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that the driver supports SGPIO indicator lights using the indicated
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GPIOs.
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties: false
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examples:
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- |
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sata@ffe08000 {
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compatible = "calxeda,hb-ahci";
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reg = <0xffe08000 0x1000>;
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interrupts = <115>;
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dma-coherent;
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calxeda,port-phys = <&combophy5 0>, <&combophy0 0>, <&combophy0 1>,
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<&combophy0 2>, <&combophy0 3>;
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calxeda,sgpio-gpio =<&gpioh 5 1>, <&gpioh 6 1>, <&gpioh 7 1>;
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calxeda,led-order = <4 0 1 2 3>;
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calxeda,tx-atten = <0xff 22 0xff 0xff 23>;
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calxeda,pre-clocks = <10>;
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calxeda,post-clocks = <0>;
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};
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...
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