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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AC3FCA9EAF for ; Mon, 28 Oct 2019 03:16:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4379021848 for ; Mon, 28 Oct 2019 03:16:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731162AbfJ1DQ1 (ORCPT ); Sun, 27 Oct 2019 23:16:27 -0400 Received: from inva020.nxp.com ([92.121.34.13]:40192 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726877AbfJ1DQR (ORCPT ); Sun, 27 Oct 2019 23:16:17 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id AB6791A0B2D; Mon, 28 Oct 2019 04:16:15 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 69E631A0B21; Mon, 28 Oct 2019 04:16:11 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 5890A40324; Mon, 28 Oct 2019 11:16:02 +0800 (SGT) From: Anson Huang To: linux@armlinux.org.uk, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, aisheng.dong@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH 5/9] ARM: imx: Add serial number support for i.MX6UL Date: Mon, 28 Oct 2019 11:12:46 +0800 Message-Id: <1572232370-31580-6-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1572232370-31580-1-git-send-email-Anson.Huang@nxp.com> References: <1572232370-31580-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org i.MX6UL has a 64-bit SoC unique ID stored in OCOTP, it can be used as SoC serial number, see below example: root@imx6ul7d:~# cat /sys/devices/soc0/serial_number 6738495762ACE932 Signed-off-by: Anson Huang --- arch/arm/mach-imx/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index cdb9d6d..1e8150e 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -142,6 +142,7 @@ struct device * __init imx_soc_device_init(void) soc_id = "i.MX6Q"; break; case MXC_CPU_IMX6UL: + ocotp_compat = "fsl,imx6ul-ocotp"; soc_id = "i.MX6UL"; break; case MXC_CPU_IMX6ULL: -- 2.7.4