136ac0228SMichael WalleWhat: /sys/bus/spi/devices/.../spi-nor/jedec_id 236ac0228SMichael WalleDate: April 2021 336ac0228SMichael WalleKernelVersion: 5.14 436ac0228SMichael WalleContact: linux-mtd@lists.infradead.org 536ac0228SMichael WalleDescription: (RO) The JEDEC ID of the SPI NOR flash as reported by the 636ac0228SMichael Walle flash device. 736ac0228SMichael Walle 87d388551SMichael Walle The attribute is not present if the flash doesn't support 97d388551SMichael Walle the "Read JEDEC ID" command (9Fh). This is the case for 107d388551SMichael Walle non-JEDEC compliant flashes. 1136ac0228SMichael Walle 1236ac0228SMichael WalleWhat: /sys/bus/spi/devices/.../spi-nor/manufacturer 1336ac0228SMichael WalleDate: April 2021 1436ac0228SMichael WalleKernelVersion: 5.14 1536ac0228SMichael WalleContact: linux-mtd@lists.infradead.org 1636ac0228SMichael WalleDescription: (RO) Manufacturer of the SPI NOR flash. 1736ac0228SMichael Walle 180d9270f2SMichael Walle The attribute is not present if the flash device isn't 190d9270f2SMichael Walle known to the kernel and is only probed by its SFDP 200d9270f2SMichael Walle tables. 2136ac0228SMichael Walle 2236ac0228SMichael WalleWhat: /sys/bus/spi/devices/.../spi-nor/partname 2336ac0228SMichael WalleDate: April 2021 2436ac0228SMichael WalleKernelVersion: 5.14 2536ac0228SMichael WalleContact: linux-mtd@lists.infradead.org 2636ac0228SMichael WalleDescription: (RO) Part name of the SPI NOR flash. 2736ac0228SMichael Walle 28*fc2efaf9SJaimeLiao The attribute is optional. User space should not rely on 29*fc2efaf9SJaimeLiao it to be present or even correct. Instead, user space 30*fc2efaf9SJaimeLiao should read the jedec_id attribute. 3136ac0228SMichael Walle 3236ac0228SMichael WalleWhat: /sys/bus/spi/devices/.../spi-nor/sfdp 3336ac0228SMichael WalleDate: April 2021 3436ac0228SMichael WalleKernelVersion: 5.14 3536ac0228SMichael WalleContact: linux-mtd@lists.infradead.org 3636ac0228SMichael WalleDescription: (RO) This attribute is only present if the SPI NOR flash 3736ac0228SMichael Walle device supports the "Read SFDP" command (5Ah). 3836ac0228SMichael Walle 3936ac0228SMichael Walle If present, it contains the complete SFDP (serial flash 4036ac0228SMichael Walle discoverable parameters) binary data of the flash. 41