# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/ata/sata_highbank.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Calxeda AHCI SATA Controller description: | The Calxeda SATA controller mostly conforms to the AHCI interface with some special extensions to add functionality, to map GPIOs for activity LEDs and for mapping the ComboPHYs. maintainers: - Andre Przywara properties: compatible: const: calxeda,hb-ahci reg: maxItems: 1 interrupts: maxItems: 1 dma-coherent: true calxeda,pre-clocks: $ref: /schemas/types.yaml#/definitions/uint32 description: | Indicates the number of additional clock cycles to transmit before sending an SGPIO pattern. calxeda,post-clocks: $ref: /schemas/types.yaml#/definitions/uint32 description: | Indicates the number of additional clock cycles to transmit after sending an SGPIO pattern. calxeda,led-order: description: Maps port numbers to offsets within the SGPIO bitstream. $ref: /schemas/types.yaml#/definitions/uint32-array minItems: 1 maxItems: 8 calxeda,port-phys: description: | phandle-combophy and lane assignment, which maps each SATA port to a combophy and a lane within that combophy $ref: /schemas/types.yaml#/definitions/phandle-array minItems: 1 maxItems: 8 items: maxItems: 2 calxeda,tx-atten: description: | Contains TX attenuation override codes, one per port. The upper 24 bits of each entry are always 0 and thus ignored. $ref: /schemas/types.yaml#/definitions/uint32-array minItems: 1 maxItems: 8 calxeda,sgpio-gpio: maxItems: 3 description: | phandle-gpio bank, bit offset, and default on or off, which indicates that the driver supports SGPIO indicator lights using the indicated GPIOs. required: - compatible - reg - interrupts additionalProperties: false examples: - | sata@ffe08000 { compatible = "calxeda,hb-ahci"; reg = <0xffe08000 0x1000>; interrupts = <115>; dma-coherent; calxeda,port-phys = <&combophy5 0>, <&combophy0 0>, <&combophy0 1>, <&combophy0 2>, <&combophy0 3>; calxeda,sgpio-gpio =<&gpioh 5 1>, <&gpioh 6 1>, <&gpioh 7 1>; calxeda,led-order = <4 0 1 2 3>; calxeda,tx-atten = <0xff 22 0xff 0xff 23>; calxeda,pre-clocks = <10>; calxeda,post-clocks = <0>; }; ...