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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 7A4E0C282D9 for ; Wed, 30 Jan 2019 16:39:18 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4D53F21473 for ; Wed, 30 Jan 2019 16:39:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qp9SK/3V" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4D53F21473 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ymKhkV9YFm0yBftjLmUEzCF4pPIeFX7tOQTvb7Qbbrk=; b=qp9SK/3VqpzIP6 UWL8H1mUlctD1aOuTDbATe2+aWa+35HO6R7oWrFnzhvjzwtq+awOV0zoRvOUlHZacwOWzt2/3SchN JUSz6tuthdjbPUxWor183+wCR0SGSLBKrp0r336NwAbjOHM5y9nCcjwntxjomBVV+n2ZazuQmr1Nw ef908kBjLbuAKKaQXjFKQ0nRLD9Vp0Oc8Go5ViznkixhY/1jSdL91Q0RZsGxil1KUTl48/YfBire3 v4Gznv8kXZH4VNwrYxOBtqZvFWDjsjQ1GaPtBk2Y842tBio3tLGCF3MiEetl8aWgcPJhmGoirG0CV SVhVbwZyD8BpgK+06BVA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gostO-0004Pd-EV; Wed, 30 Jan 2019 16:39:14 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gostJ-0004O0-Tf for linux-arm-kernel@lists.infradead.org; Wed, 30 Jan 2019 16:39:11 +0000 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x0UGQxRi005461; Wed, 30 Jan 2019 17:39:01 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2q8dw3aapn-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 30 Jan 2019 17:39:01 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 2D24338; Wed, 30 Jan 2019 16:39:01 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag5node3.st.com [10.75.127.15]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 06274A71D; Wed, 30 Jan 2019 16:39:01 +0000 (GMT) Received: from localhost (10.75.127.45) by SFHDAG5NODE3.st.com (10.75.127.15) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 30 Jan 2019 17:39:00 +0100 From: Fabrice Gasnier To: , , Subject: [PATCH 1/4] dt-bindings: nvmem: Add STM32 factory-programmed romem Date: Wed, 30 Jan 2019 17:38:53 +0100 Message-ID: <1548866336-14765-2-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1548866336-14765-1-git-send-email-fabrice.gasnier@st.com> References: <1548866336-14765-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG1NODE1.st.com (10.75.127.1) To SFHDAG5NODE3.st.com (10.75.127.15) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-01-30_12:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190130_083910_245844_24E08161 X-CRM114-Status: GOOD ( 10.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, lionel.debieve@st.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mcoquelin.stm32@gmail.com, fabrice.gasnier@st.com, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add documentation for STMicroelectronics STM32 Factory-programmed read only memory area. Signed-off-by: Fabrice Gasnier --- .../devicetree/bindings/nvmem/st,stm32-romem.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/st,stm32-romem.txt diff --git a/Documentation/devicetree/bindings/nvmem/st,stm32-romem.txt b/Documentation/devicetree/bindings/nvmem/st,stm32-romem.txt new file mode 100644 index 0000000..fbff52e --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/st,stm32-romem.txt @@ -0,0 +1,31 @@ +STMicroelectronics STM32 Factory-programmed data device tree bindings + +This represents STM32 Factory-programmed read only non-volatile area: locked +flash, OTP, read-only HW regs... This contains various information such as: +analog calibration data for temperature sensor (e.g. TS_CAL1, TS_CAL2), +internal vref (VREFIN_CAL), unique device ID... + +Required properties: +- compatible: Should be one of: + "st,stm32-romem" + "st,stm32mp15-bsec" +- reg: Offset and length of factory-programmed area. +- #address-cells: Should be '<1>'. +- #size-cells: Should be '<1>'. + +Optional Data cells: +- Must be child nodes as described in nvmem.txt. + +Example on stm32f4: + romem: nvmem@1fff7800 { + compatible = "st,stm32-romem"; + reg = <0x1fff7800 0x400>; + #address-cells = <1>; + #size-cells = <1>; + + /* Data cells: ts_cal1 at 0x1fff7a2c */ + ts_cal1: calib@22c { + reg = <0x22c 0x2>; + }; + ... + }; -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel