| Date | Thu, 12 May 2022 09:08:08 +0200 | Subject | Re: [PATCH v3 18/23] dt-bindings: ata: ahci: Add DWC AHCI SATA controller DT schema | From | Hannes Reinecke <> |
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On 5/12/22 01:18, Serge Semin wrote: > Synopsys AHCI SATA controller is mainly compatible with the generic AHCI > SATA controller except a few peculiarities and the platform environment > requirements. In particular it can have one or two reference clocks to > feed up its AXI/AHB interface and SATA PHYs domain and at least one reset > control for the application clock domain. In addition to that the DMA > interface of each port can be tuned up to work with the predefined maximum > data chunk size. Note unlike generic AHCI controller DWC AHCI can't have > more than 8 ports. All of that is reflected in the new DWC AHCI SATA > device DT binding. > > Note the DWC AHCI SATA controller DT-schema has been created in a way so > to be reused for the vendor-specific DT-schemas (see for example the > "snps,dwc-ahci" compatible string binding). One of which we are about to > introduce. > > Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> > > --- > > Changelog v2: > - Replace min/max constraints of the snps,{tx,rx}-ts-max property with > enum [ 1, 2, 4, ..., 1024 ]. (@Rob) > --- > .../bindings/ata/ahci-platform.yaml | 8 -- > .../bindings/ata/snps,dwc-ahci.yaml | 123 ++++++++++++++++++ > 2 files changed, 123 insertions(+), 8 deletions(-) > create mode 100644 Documentation/devicetree/bindings/ata/snps,dwc-ahci.yaml > Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), GF: Felix Imendörffer
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