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 70FCCE64009 for ; Sun, 12 Apr 2026 09:57:18 +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=PB2wIVal0knNRH3IHxGDNzU1l0k9OBTjBH/yfZTe3bo=; b=VcRKcFkcaz2hQlo8kfxjCgraTO TQAPcWwO9G8R2anVfMgfMv4n4xFqJ5NtRRypdI10po5dWetWnOeQocQ48HuLUa1Wb9Q7if5CFxeVK AWfVfx0qz72GHptu/o3S/7BjAZ5NQPCxpHu8v6f0iNhPh5qZyfF92xvKmsRCmHWVonsyTqAluAY7T 77Exvv5C0RoczDHpWwSPHwmz5UZS1bzVoxVja0WZeAvYOsAJFr2hO8giDNdjqbDLH47/QFJkEz+oE +WhBp7OSPvufxt6N7Mj5zVILW/gZwkR0LNDlHot+HujhiKteUViJYXr2bpr+YBErSmEo2cbK+BEJ6 VaQABL8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wBrZ3-0000000EE0I-2jJc; Sun, 12 Apr 2026 09:57:13 +0000 Received: from out-176.mta1.migadu.com ([95.215.58.176]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wBrZ0-0000000EDzi-1uth for linux-arm-kernel@lists.infradead.org; Sun, 12 Apr 2026 09:57:12 +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=1775987826; 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=PB2wIVal0knNRH3IHxGDNzU1l0k9OBTjBH/yfZTe3bo=; b=ZNUZT6Yg9k3SkxNbn+yFQEiQmMPJckZuGM87mew6So1NGo30Uvb4FylHI/bkM3aRBvEeEo FldqUO6R45huHuVT6cYgNtJvLqChDbFOo+dwwVqyYH2Yl/B64yFa1fK1eOtnp/Os0OzdBn 1EBR49YOOh29G+Re5SX9PB32GB4NBsU= 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 RESEND 1/2] crypto: atmel-ecc - add support for atecc608b Date: Sun, 12 Apr 2026 11:56:43 +0200 Message-ID: <20260412095642.120815-3-thorsten.blum@linux.dev> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1168; i=thorsten.blum@linux.dev; h=from:subject; bh=HB3s4feq30/s1R2bwwVv+aAdLnzAoOYlnjVAKPryZjw=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDJm3c6Jzl+TqXJo85+TDPJaevacOp25pKhRM9Obb+7Ry7 8Iy/jChjlIWBjEuBlkxRZYHs37M8C2tqdxkErETZg4rE8gQBi5OAZiIki/D/4qCHa/8lrbM4j/U OUts5v+kRH9/XUXvNa8sFkXLsr68ncbIcOsU+1KWM/YyL932Rb96zXV72yf7O4ciV++U8Yj9xL5 rAyMA 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-20260412_025711_053180_644286A2 X-CRM114-Status: UNSURE ( 9.66 ) X-CRM114-Notice: Please train this message. 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 --- Resending to include linux-crypto in patch 2/2. --- 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);