/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_SPI_EEPROM_H #define __LINUX_SPI_EEPROM_H #include <linux/memory.h> /* * Put one of these structures in platform_data for SPI EEPROMS handled * by the "at25" driver. On SPI, most EEPROMS understand the same core * command set. If you need to support EEPROMs that don't yet fit, add * flags to support those protocol options. These values all come from * the chip datasheets. */ struct spi_eeprom { u32 byte_len; char name[10]; u16 page_size; /* for writes */ u16 flags; #define EE_ADDR1 0x0001 /* 8 bit addrs */ #define EE_ADDR2 0x0002 /* 16 bit addrs */ #define EE_ADDR3 0x0004 /* 24 bit addrs */ #define EE_READONLY 0x0008 /* disallow writes */ /* * Certain EEPROMS have a size that is larger than the number of address * bytes would allow (e.g. like M95040 from ST that has 512 Byte size * but uses only one address byte (A0 to A7) for addressing.) For * the extra address bit (A8, A16 or A24) bit 3 of the instruction byte * is used. This instruction bit is normally defined as don't care for * other AT25 like chips. */ #define EE_INSTR_BIT3_IS_ADDR 0x0010 void *context; }; #endif /* __LINUX_SPI_EEPROM_H */
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ad7877.h | File | 835 B | 0644 |
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adi_spi3.h | File | 15.1 KB | 0644 |
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ads7846.h | File | 2.02 KB | 0644 |
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at73c213.h | File | 828 B | 0644 |
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at86rf230.h | File | 724 B | 0644 |
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cc2520.h | File | 620 B | 0644 |
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corgi_lcd.h | File | 460 B | 0644 |
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ds1305.h | File | 1.08 KB | 0644 |
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eeprom.h | File | 1.19 KB | 0644 |
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flash.h | File | 1023 B | 0644 |
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ifx_modem.h | File | 616 B | 0644 |
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l4f00242t03.h | File | 847 B | 0644 |
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libertas_spi.h | File | 907 B | 0644 |
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lms283gf05.h | File | 775 B | 0644 |
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max7301.h | File | 939 B | 0644 |
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mc33880.h | File | 196 B | 0644 |
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mcp23s08.h | File | 685 B | 0644 |
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mmc_spi.h | File | 1.91 KB | 0644 |
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mxs-spi.h | File | 5.24 KB | 0644 |
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pxa2xx_spi.h | File | 1.5 KB | 0644 |
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rspi.h | File | 715 B | 0644 |
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s3c24xx.h | File | 816 B | 0644 |
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sh_hspi.h | File | 572 B | 0644 |
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sh_msiof.h | File | 357 B | 0644 |
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spi-fsl-dspi.h | File | 955 B | 0644 |
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spi.h | File | 50.33 KB | 0644 |
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spi_bitbang.h | File | 1.43 KB | 0644 |
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spi_gpio.h | File | 2.56 KB | 0644 |
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spi_oc_tiny.h | File | 628 B | 0644 |
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tdo24m.h | File | 210 B | 0644 |
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tle62x0.h | File | 660 B | 0644 |
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xilinx_spi.h | File | 627 B | 0644 |
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