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The AMD Seattle DWC AHCI is behind an IOMMU and has 1-3 entries, so add the 'iommus' property. There's not a specific compatible, so we can't limit it to Seattle. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Niklas Cassel <cassel@kernel.org>
85 lines
1.7 KiB
YAML
85 lines
1.7 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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$id: http://devicetree.org/schemas/ata/snps,dwc-ahci.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Synopsys DWC AHCI SATA controller
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maintainers:
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- Serge Semin <fancer.lancer@gmail.com>
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description:
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This document defines device tree bindings for the generic Synopsys DWC
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implementation of the AHCI SATA controller.
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select:
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properties:
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compatible:
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enum:
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- snps,dwc-ahci
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- snps,spear-ahci
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required:
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- compatible
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allOf:
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- $ref: snps,dwc-ahci-common.yaml#
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properties:
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compatible:
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oneOf:
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- description: Synopsys AHCI SATA-compatible devices
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const: snps,dwc-ahci
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- description: SPEAr1340 AHCI SATA device
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const: snps,spear-ahci
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iommus:
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minItems: 1
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maxItems: 3
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patternProperties:
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"^sata-port@[0-9a-e]$":
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$ref: /schemas/ata/snps,dwc-ahci-common.yaml#/$defs/dwc-ahci-port
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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- interrupts
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/ata/ahci.h>
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sata@122f0000 {
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compatible = "snps,dwc-ahci";
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reg = <0x122F0000 0x1ff>;
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#address-cells = <1>;
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#size-cells = <0>;
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interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clock1>, <&clock2>;
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clock-names = "aclk", "ref";
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phys = <&sata_phy>;
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phy-names = "sata-phy";
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ports-implemented = <0x1>;
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sata-port@0 {
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reg = <0>;
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hba-port-cap = <HBA_PORT_FBSCP>;
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snps,tx-ts-max = <512>;
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snps,rx-ts-max = <512>;
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};
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};
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...
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