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path: root/drivers/misc/i2c_eeprom.c
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2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-12misc: i2c_eeprom: Add compatible for AT24MAC402Wenyou Yang
Add the new compatible "atmel,24mac402" to accommodate AT24MAC402. The AT24MAC402 is a 2K Serial EEPROM and the 2-Kbit memory array is internally organized as 16 pages of 16 bytes of EEPROM each. The 48-bit EUI address in the AT24MAC402 are located in the extended memory block. Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
2017-09-12misc: i2c_eeprom: Add compatible for 24AA02E48Wenyou Yang
Add the new compatible "microchip,24aa02e48" to accommodate 24AA02E48, the 24AA02E48 is a 2K I2C Serial EEPROM with pre-programmed globally unique, 48-bit node address, and 8-byte page size. Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
2017-06-26i2c_eeprom: add static to i2c_eeprom_std_ops/probeMasahiro Yamada
These are only used in drivers/mis/i2c_eeprom.c Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-05-10i2c_eeprom: add read and write functionsJonas Karlman
Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Simon Glass <sjg@chromium.org>
2016-07-22i2c_eeprom: Add reading supportmario.six@gdsys.cc
This patch implements the reading functionality for the generic I2C EEPROM driver, which was just a non-functional stub until now. Since the page size will be of importance for the writing support, we add suitable members to the private data structure to keep track of it. Compatibility strings for a range of at24c* chips are added. Signed-off-by: Mario Six <mario.six@gdsys.cc> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de>
2015-01-05i2c_eeprom: include <linux/err.h> to fix build errorMasahiro Yamada
drivers/misc/i2c_eeprom.c fails to build unless CONFIG_FIT_SIGNATURE is defined. CC drivers/misc/i2c_eeprom.o drivers/misc/i2c_eeprom.c: In function 'i2c_eeprom_read': drivers/misc/i2c_eeprom.c:15:10: error: 'ENODEV' undeclared (first use in this function) drivers/misc/i2c_eeprom.c:15:10: note: each undeclared identifier is reported only once for each function it appears in drivers/misc/i2c_eeprom.c: In function 'i2c_eeprom_write': drivers/misc/i2c_eeprom.c:21:10: error: 'ENODEV' undeclared (first use in this function) drivers/misc/i2c_eeprom.c:22:1: warning: control reaches end of non-void function [-Wreturn-type] drivers/misc/i2c_eeprom.c: In function 'i2c_eeprom_read': drivers/misc/i2c_eeprom.c:16:1: warning: control reaches end of non-void function [-Wreturn-type] make[2]: *** [drivers/misc/i2c_eeprom.o] Error 1 make[1]: *** [drivers/misc] Error 2 make: *** [drivers] Error 2 By the way, Sandbox (enabling CONFIG_FIT_SIGNATURE) is luckily working depending on it. Sandbox includes include/asm-generic/errno.h from include/errno.h from include/u-boot/rsa-checksum.h from include/image.h from include/common.h from drivers/misc/i2c_eeprom.c Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org>
2014-12-11dm: Add a simple EEPROM driverSimon Glass
There seem to be a few EEPROM drivers around - perhaps we should have a single standard one? This simple driver is used for sandbox testing, but could be pressed into more active service. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Heiko Schocher <hs@denx.de> Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>