84 lines
2.0 KiB
YAML
84 lines
2.0 KiB
YAML
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# 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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$id: http://devicetree.org/schemas/ata/imx-sata.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale i.MX AHCI SATA Controller
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maintainers:
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- Shawn Guo <shawn.guo@linaro.org>
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description: |
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The Freescale i.MX SATA controller mostly conforms to the AHCI interface
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with some special extensions at integration level.
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properties:
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compatible:
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enum:
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- fsl,imx53-ahci
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- fsl,imx6q-ahci
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- fsl,imx6qp-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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clocks:
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items:
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- description: sata clock
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- description: sata reference clock
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- description: ahb clock
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clock-names:
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items:
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- const: sata
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- const: sata_ref
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- const: ahb
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fsl,transmit-level-mV:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: transmit voltage level, in millivolts.
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fsl,transmit-boost-mdB:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: transmit boost level, in milli-decibels.
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fsl,transmit-atten-16ths:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: transmit attenuation, in 16ths.
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fsl,receive-eq-mdB:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: receive equalisation, in milli-decibels.
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fsl,no-spread-spectrum:
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$ref: /schemas/types.yaml#/definitions/flag
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description: if present, disable spread-spectrum clocking on the SATA link.
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/imx6qdl-clock.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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sata@2200000 {
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compatible = "fsl,imx6q-ahci";
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reg = <0x02200000 0x4000>;
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interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clks IMX6QDL_CLK_SATA>,
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<&clks IMX6QDL_CLK_SATA_REF_100M>,
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<&clks IMX6QDL_CLK_AHB>;
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clock-names = "sata", "sata_ref", "ahb";
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};
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