From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 140C8FB3CF7 for ; Mon, 30 Mar 2026 10:08:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=o6343OGuJL2cSO3CZkyoIBOVLXRYBOtEAFU3KFNUOKA=; b=BcqyDtuWdk495A0lk6R6BOy8+2 6HXOMKDQ/cVMeelNBWAWj/MfIUe0r1gYspMsSP1DI1fsGDdVu1chXVQOzVo3sS8/pXSNZWNvyZU0O 22I78g98ASecZhXV+U4WGJL0J6vAjhj+alymVNe+VcdhymR137t5fkeaVkh7Pi8fojheUvxut1M6r Zyc+K30J9zDfkES9jeyLIIGa+HN1pRobtemdab6RKDxJ0m9hYGRRQvJtIabLEtwdQuC7Lb3Hb+Rrk ZDI4lQeRBiyOxE6V3gbyEKNlkc7Xe9jR7MPQf3DGE2z6xWxzyKZKCEkRd3lmyIiMuhRDkSAecBsL8 5aQ/rdjA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w79Xo-0000000B1YQ-3AOr; Mon, 30 Mar 2026 10:08:28 +0000 Received: from out-186.mta1.migadu.com ([95.215.58.186]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w79Xm-0000000B1X2-1DUp for linux-arm-kernel@lists.infradead.org; Mon, 30 Mar 2026 10:08:27 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1774865301; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=o6343OGuJL2cSO3CZkyoIBOVLXRYBOtEAFU3KFNUOKA=; b=RA1RMxsqSoXFLSuaIPcxt1aaRrM9bxvbVuaCrfGG8LaNT1nLSikaijdBJ8v3BIj4DIpZc9 iEO/KniXFgauGLghTEtmKpTALQ0EVLRtSP7fIdf1lQfgD9UMl2IJI/6wJrgHkqfNsHMZ/5 5/WJg0LwESHEqoJ/xu87LkM2cOuxz4g= From: Thorsten Blum To: Herbert Xu , "David S. Miller" , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea Cc: Thorsten Blum , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] crypto: atmel-ecc - add support for atecc608b Date: Mon, 30 Mar 2026 12:08:00 +0200 Message-ID: <20260330100800.389042-3-thorsten.blum@linux.dev> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1114; i=thorsten.blum@linux.dev; h=from:subject; bh=RtnjTAxLWWtDJPmVNJ2E9HhoOT8h44xIvv6Mlx1+lMc=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDJmnvBvuX5nQeP+yjt+qHZOrnirmPz2hpnLqm3iGm/fec w7qGmkFHaUsDGJcDLJiiiwPZv2Y4VtaU7nJJGInzBxWJpAhDFycAjCR0FZGhrXpK5wDv2Sd5OM5 e18mqKr3ijiT1LnbvQ8rRNoa2a46cTL8FcpZVLm7/IVUOK/Yad1GDmO3mpie7+fn/8pStOIza5J lBgA= X-Developer-Key: i=thorsten.blum@linux.dev; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260330_030826_626164_F4E2DE07 X-CRM114-Status: GOOD ( 10.18 ) 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 Tested on hardware with an ATECC608B at 0x60. The device binds successfully, passes the driver's sanity check, and registers the ecdh-nist-p256 KPP algorithm. The hardware ECDH path was also exercised using a minimal KPP test module, covering private key generation, public key derivation, and shared secret computation. Signed-off-by: Thorsten Blum --- drivers/crypto/atmel-ecc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index b6a77c8d439c..5793e0c44113 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -371,6 +371,8 @@ static void atmel_ecc_remove(struct i2c_client *client) static const struct of_device_id atmel_ecc_dt_ids[] = { { .compatible = "atmel,atecc508a", + }, { + .compatible = "atmel,atecc608b", }, { /* sentinel */ } @@ -380,6 +382,7 @@ MODULE_DEVICE_TABLE(of, atmel_ecc_dt_ids); static const struct i2c_device_id atmel_ecc_id[] = { { "atecc508a" }, + { "atecc608b" }, { } }; MODULE_DEVICE_TABLE(i2c, atmel_ecc_id);