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Miller" , Thorsten Blum , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea Cc: Guenter Roeck , Wensheng Wang , Frank Li , Cosmo Chou , Colin Huang , =?UTF-8?q?Nuno=20S=C3=A1?= , Dixit Parmar , Antoni Pokusinski , Eddie James , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/2] crypto: atmel-ecc - add support for atecc608a Date: Mon, 31 Aug 2026 00:01:52 +0200 Message-ID: <20260830220151.21469-4-blum@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260830220151.21469-3-blum@kernel.org> References: <20260830220151.21469-3-blum@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1293; i=blum@kernel.org; h=from:subject; bh=Mqkb2QdjsRcFTzYR7WIzAtuJXRfrfDnrycy2XpUQ+Vs=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDFlTVgT8FBbP3yItpTBRZbaCTOf0uCutB+q2LGtNvM1SV z7/nMfPjlIWBjEuBlkxRZYHs37M8C2tqdxkErETZg4rE8gQBi5OAZjIwy+MDGefTsh37LjwYOsK 0cqGs6YGvy8WqO56kHKkduqbr/f03YoY/kr92+B67xL3jtJm87LPX255HU5+UsOgzbWqUNVQOMH 3EhcA X-Developer-Key: i=blum@kernel.org; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Link: https://ww1.microchip.com/downloads/en/Appnotes/Migrating-from-the-ATECC608A-to-the-ATECC608B-DS40002237A.pdf [1] --- drivers/crypto/atmel-ecc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index 075f38a67935..0904bb47fd0a 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -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" }, { } };