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crypto: atmel-ecc - add support for atecc608a

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The driver already supports the ATECC508A and ATECC608B and uses only
commands shared by these devices.

Microchip documents the ATECC608B as a backwards-compatible, functional
drop-in replacement for the ATECC608A, with the same device structure
and command interface [1]. Therefore, add support for the ATECC608A.

ATECC608A hardware was not available for testing.

Signed-off-by: Thorsten Blum <blum@kernel.org>
Link: https://ww1.microchip.com/downloads/en/Appnotes/Migrating-from-the-ATECC608A-to-the-ATECC608B-DS40002237A.pdf [1]
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum 2026-08-31 00:01:52 +02:00 committed by Herbert Xu
parent e619f9b991
commit 9e06d37173
1 changed files with 2 additions and 0 deletions
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2
drivers/crypto/atmel-ecc.c
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@ -348,6 +348,7 @@ static void atmel_ecc_remove(struct i2c_client *client)
static const struct of_device_id atmel_ecc_dt_ids[] = {
{ .compatible = "atmel,atecc508a", },
{ .compatible = "atmel,atecc608a", },
{ .compatible = "atmel,atecc608b", },
{ }
};
@ -355,6 +356,7 @@ MODULE_DEVICE_TABLE(of, atmel_ecc_dt_ids);
static const struct i2c_device_id atmel_ecc_id[] = {
{ .name = "atecc508a" },
{ .name = "atecc608a" },
{ .name = "atecc608b" },
{ }
};