Re: [PATCH v3 04/23] mtd: spi-nor: Add support for the new JESD216 rev F QER field
"Michael Walle" <[email protected]>
| Newsgroups | org.kernel.vger.linux-doc,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-mtd,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Thu Aug 13, 2026 at 5:19 PM CEST, Miquel Raynal wrote: > Revision F of the JEDEC JESD216 standard includes yet another > supported setting in the QER 3-bit bitfield: 110b. > > This setting implies that the QE bit is bit 1 of SR2 (which is an > already supported case) but this time it makes it very clear that both > reading and writing to SR2 is supported, but not with the usual > opcodes. The write operation uses an alternate WRSR2 opcode: > 0x31 (instead of 0x3E) and both the reads and writes manipulate a single > register at a time. > > Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Michael Walle <[email protected]>
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