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| author | Théo Lebrun <theo.lebrun@bootlin.com> | 2024-04-10 12:29:06 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-04-10 20:49:16 +0300 |
| commit | eb4fdb4bf46f875eac3c093f7ff43a223985f7b8 (patch) | |
| tree | 5b0858d4fc4490a132263b6493e542eba1f0f4e4 /Documentation/devicetree/bindings/spi | |
| parent | 52826aee484b3ebb6ed94c1ae89c0944110ed8b1 (diff) | |
| download | linux-eb4fdb4bf46f875eac3c093f7ff43a223985f7b8.tar.xz | |
spi: dt-bindings: cdns,qspi-nor: make cdns,fifo-depth optional
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>
Link: https://msgid.link/r/20240410-cdns-qspi-mbly-v3-3-7b7053449cf7@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml | 1 |
1 files changed, 0 insertions, 1 deletions
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' |