Messages in this thread | | | Date | Thu, 30 Jun 2022 10:57:17 -0600 | From | Rob Herring <> | Subject | Re: [PATCH v3 04/15] spi: dt-bindings: dw-apb-ssi: update spi-{r,t}x-bus-width |
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On Wed, 29 Jun 2022 19:43:33 +0100, Conor Dooley wrote: > From: Conor Dooley <conor.dooley@microchip.com> > > Most users of dw-apb-ssi use spi-{r,t}x-bus-width of 1, however the > Canaan k210 is wired up for a width of 4. > Quoting Serge: > The modern DW APB SSI controllers of v.4.* and newer also support the > enhanced SPI Modes too (Dual, Quad and Octal). Since the IP-core > version is auto-detected at run-time there is no way to create a > DT-schema correctly constraining the Rx/Tx SPI bus widths. > /endquote > > As such, drop the restriction on only supporting a bus width of 1. > > Link: https://lore.kernel.org/all/20220620205654.g7fyipwytbww5757@mobilestation/ > Signed-off-by: Conor Dooley <conor.dooley@microchip.com> > --- > Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 6 ------ > 1 file changed, 6 deletions(-) >
Reviewed-by: Rob Herring <robh@kernel.org>
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