Message ID | 20240410-cdns-qspi-mbly-v3-3-7b7053449cf7@bootlin.com (mailing list archive) |
---|---|
State | Superseded |
Commit | eb4fdb4bf46f875eac3c093f7ff43a223985f7b8 |
Headers | show |
Series | spi: cadence-qspi: add Mobileye EyeQ5 support | expand |
On Wed, 10 Apr 2024 11:29:06 +0200, Théo Lebrun wrote: > Make cdns,fifo-depth devicetree property optional. > Value can be detected at runtime. > > Upper SRAMPARTITION register bits are read-only. Procedure to find FIFO > depth is therefore to write 0xFFFFFFFF and read back to get amount of > writeable bits. > > Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com> > --- > Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml | 1 - > 1 file changed, 1 deletion(-) > Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml index 587baf35e4e3..d48ecd6cd5ad 100644 --- a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml +++ b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml @@ -146,7 +146,6 @@ required: - reg - interrupts - clocks - - cdns,fifo-depth - cdns,fifo-width - cdns,trigger-address - '#address-cells'
Make cdns,fifo-depth devicetree property optional. Value can be detected at runtime. Upper SRAMPARTITION register bits are read-only. Procedure to find FIFO depth is therefore to write 0xFFFFFFFF and read back to get amount of writeable bits. Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com> --- Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml | 1 - 1 file changed, 1 deletion(-)