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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/ata/imx-sata.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Freescale i.MX AHCI SATA Controller
maintainers:
- Shawn Guo <shawn.guo@linaro.org>
description: |
The Freescale i.MX SATA controller mostly conforms to the AHCI interface
with some special extensions at integration level.
properties:
compatible:
enum:
- fsl,imx53-ahci
- fsl,imx6q-ahci
- fsl,imx6qp-ahci
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: sata clock
- description: sata reference clock
- description: ahb clock
clock-names:
items:
- const: sata
- const: sata_ref
- const: ahb
fsl,transmit-level-mV:
$ref: /schemas/types.yaml#/definitions/uint32
description: transmit voltage level, in millivolts.
fsl,transmit-boost-mdB:
$ref: /schemas/types.yaml#/definitions/uint32
description: transmit boost level, in milli-decibels.
fsl,transmit-atten-16ths:
$ref: /schemas/types.yaml#/definitions/uint32
description: transmit attenuation, in 16ths.
fsl,receive-eq-mdB:
$ref: /schemas/types.yaml#/definitions/uint32
description: receive equalisation, in milli-decibels.
fsl,no-spread-spectrum:
$ref: /schemas/types.yaml#/definitions/flag
description: if present, disable spread-spectrum clocking on the SATA link.
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/imx6qdl-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
sata@2200000 {
compatible = "fsl,imx6q-ahci";
reg = <0x02200000 0x4000>;
interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6QDL_CLK_SATA>,
<&clks IMX6QDL_CLK_SATA_REF_100M>,
<&clks IMX6QDL_CLK_AHB>;
clock-names = "sata", "sata_ref", "ahb";
};
|
