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dts: bindings: flash_controller stm32 qspi has requires-ulbpr property

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Add the <requires-ulbpr> property from the "jedec,spi-nor-common.yaml"
to the existing st,stm32-qspi-nor.yaml. So that external quad-NOR with
unlock the Global Block Protection (BPR) (opcode 0x98) is accepted.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2024-06-27 10:05:24 +02:00 committed by Alberto Escolar
parent 9ae3105f79
commit 72370b23ce
1 changed files with 10 additions and 0 deletions
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dts/bindings/flash_controller/st,stm32-qspi-nor.yaml
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@ -61,3 +61,13 @@ properties:
supporting 1-4-4 mode also would support fast page programming.
If absent, then 1-4-4 program page is used in quad mode.
requires-ulbpr:
type: boolean
description: |
Indicates the device requires the ULBPR (0x98) command.
Some flash chips such as the Microchip SST26VF series have a block
protection register that initializes to write-protected. Use this
property to indicate that the BPR must be unlocked before write
operations can proceed.