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https://github.com/brain-hackers/u-boot-brain
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20142019a9
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>
52 lines
976 B
C
52 lines
976 B
C
/*
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* Copyright (c) 2014 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <i2c.h>
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#include <i2c_eeprom.h>
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static int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf,
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int size)
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{
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return -ENODEV;
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}
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static int i2c_eeprom_write(struct udevice *dev, int offset,
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const uint8_t *buf, int size)
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{
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return -ENODEV;
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}
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struct i2c_eeprom_ops i2c_eeprom_std_ops = {
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.read = i2c_eeprom_read,
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.write = i2c_eeprom_write,
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};
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int i2c_eeprom_std_probe(struct udevice *dev)
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{
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return 0;
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}
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static const struct udevice_id i2c_eeprom_std_ids[] = {
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{ .compatible = "i2c-eeprom" },
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{ }
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};
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U_BOOT_DRIVER(i2c_eeprom_std) = {
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.name = "i2c_eeprom",
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.id = UCLASS_I2C_EEPROM,
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.of_match = i2c_eeprom_std_ids,
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.probe = i2c_eeprom_std_probe,
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.priv_auto_alloc_size = sizeof(struct i2c_eeprom),
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.ops = &i2c_eeprom_std_ops,
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};
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UCLASS_DRIVER(i2c_eeprom) = {
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.id = UCLASS_I2C_EEPROM,
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.name = "i2c_eeprom",
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};
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