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-rw-r--r-- | Documentation/devicetree/bindings/ata/faraday,ftide010.yaml | 91 |
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diff --git a/Documentation/devicetree/bindings/ata/faraday,ftide010.yaml b/Documentation/devicetree/bindings/ata/faraday,ftide010.yaml new file mode 100644 index 000000000..fa16f3767 --- /dev/null +++ b/Documentation/devicetree/bindings/ata/faraday,ftide010.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ata/faraday,ftide010.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Faraday Technology FTIDE010 PATA controller + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: | + This controller is the first Faraday IDE interface block, used in the + StorLink SL3512 and SL3516, later known as the Cortina Systems Gemini + platform. The controller can do PIO modes 0 through 4, Multi-word DMA + (MWDM) modes 0 through 2 and Ultra DMA modes 0 through 6. + + On the Gemini platform, this PATA block is accompanied by a PATA to + SATA bridge in order to support SATA. This is why a phandle to that + controller is compulsory on that platform. + + The timing properties are unique per-SoC, not per-board. + +properties: + compatible: + oneOf: + - const: faraday,ftide010 + - items: + - const: cortina,gemini-pata + - const: faraday,ftide010 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + + clock-names: + const: PCLK + + sata: + description: + phandle to the Gemini PATA to SATA bridge, if available + $ref: /schemas/types.yaml#/definitions/phandle + +required: + - compatible + - reg + - interrupts + +allOf: + - $ref: pata-common.yaml# + + - if: + properties: + compatible: + contains: + const: cortina,gemini-pata + + then: + required: + - sata + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/cortina,gemini-clock.h> + + ide@63000000 { + compatible = "cortina,gemini-pata", "faraday,ftide010"; + reg = <0x63000000 0x100>; + interrupts = <4 IRQ_TYPE_EDGE_RISING>; + clocks = <&gcc GEMINI_CLK_GATE_IDE>; + clock-names = "PCLK"; + sata = <&sata>; + #address-cells = <1>; + #size-cells = <0>; + ide-port@0 { + reg = <0>; + }; + ide-port@1 { + reg = <1>; + }; + }; + +... |