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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 A0159C3815B for ; Mon, 20 Apr 2020 14:58:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E35C20775 for ; Mon, 20 Apr 2020 14:58:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="lbzfMJvC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729820AbgDTO6W (ORCPT ); Mon, 20 Apr 2020 10:58:22 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:13364 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727992AbgDTO6V (ORCPT ); Mon, 20 Apr 2020 10:58:21 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03KEvxFv029858; Mon, 20 Apr 2020 16:58:07 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=Htm7G4c6nkASZiIJZ/72en4USFOHh63A0jmfPAbpGcE=; b=lbzfMJvC0hdjd51qM0TvtqWrIQeW8Bfm+tXgkqUytf3dwovbM4MFB474qWFvvBghWKno 0DcGmNH0HGbkRXK7YL+LbWO0NDUMW28NffODK1jd3npkMNMg+hn8Qh4iBcnWnUL0Ztb6 OBNCvQFeSYdpLwf1WW3azGdtZAU4o5yVrMg+9puhGlR12hijfFbzQ5xEhkDL7uUOy6H0 nERzqNc47snopvzJEKq1TCkVjCFnvQjkmz9qjofmuIB9+rFj3E0D0b3PRchAoDC31UKQ D8N6d4bq2ien8d0bHHZkZ3hyFHXQLfL04+KvrIHO2ItO91nYKnGkZPZKKfEz3M1N8j55 +w== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 30fpp8k280-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 20 Apr 2020 16:58:07 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3A008100034; Mon, 20 Apr 2020 16:58:07 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 25A612C1F79; Mon, 20 Apr 2020 16:58:07 +0200 (CEST) Received: from localhost (10.75.127.48) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 20 Apr 2020 16:58:06 +0200 From: Alain Volmat To: , CC: , , , , , , , , , , Subject: [PATCH v3 1/2] dt-bindings: i2c: i2c-stm32f7: allow clock-frequency range Date: Mon, 20 Apr 2020 16:57:56 +0200 Message-ID: <1587394677-6872-2-git-send-email-alain.volmat@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1587394677-6872-1-git-send-email-alain.volmat@st.com> References: <1587394677-6872-1-git-send-email-alain.volmat@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-04-20_05:2020-04-20,2020-04-20 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For STM32F7, STM32H7 and STM32MP1 SoCs, if timing parameters match, the bus clock frequency can be from 1Hz to 1MHz. Signed-off-by: Alain Volmat Reviewed-by: Rob Herring --- v3: identical to v1 & v2 Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml index 900ec1ab6a47..b50a2f420b36 100644 --- a/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/st,stm32-i2c.yaml @@ -80,11 +80,11 @@ properties: clock-frequency: description: Desired I2C bus clock frequency in Hz. If not specified, the default 100 kHz frequency will be used. - For STM32F7, STM32H7 and STM32MP1 SoCs, Standard-mode, - Fast-mode and Fast-mode Plus are supported, possible - values are 100000, 400000 and 1000000. + For STM32F7, STM32H7 and STM32MP1 SoCs, if timing parameters + match, the bus clock frequency can be from 1Hz to 1MHz. default: 100000 - enum: [100000, 400000, 1000000] + minimum: 1 + maximum: 1000000 required: - compatible -- 2.7.4