From patchwork Wed Apr 18 15:37:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 10348637 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0193760244 for ; Wed, 18 Apr 2018 15:58:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E5F0E286F3 for ; Wed, 18 Apr 2018 15:58:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D87DD28726; Wed, 18 Apr 2018 15:58:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 36E1A286F3 for ; Wed, 18 Apr 2018 15:58:05 +0000 (UTC) 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=gOVVxQCx+u+cm1ELUtEnHPfNhtjJ2irh9+O5fuMScNo=; b=fP8BsnJIiDlG84 F8e8+0PX0Q7J3OxA1Lclx9fwGtCdPEVJCIo1qlOq6n8H0U63U/lW+5jS6J8WhADZ2aEcWi3SSi1fr To0ZHyEJY2rPqCGiw0WfqUDjE0MT/himy4vyqMlrSdbHUf7njOlHul4T/wDsnQu2WDE6wkPrm2Hi/ BkD78f8I9TYmOSWU9f2IrVj0pHb7T8xqziO3EToNgJRUTFnGLmtKpKuDiXpRhuRpMo0iBtxHEt4Nx 456IGNjUczzYgijDnDyvZzb7TXWDy//acB3AEtnUmmqMYV0F4N1uLqG5ojfjqvU9Wfkn+g4nAp0r9 KedXfG6ZRnru91cxv8hQ==; 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 1f8pSy-0005Pc-GK; Wed, 18 Apr 2018 15:57:52 +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 1f8pAL-0000Rn-Ry for linux-arm-kernel@lists.infradead.org; Wed, 18 Apr 2018 15:38:51 +0000 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w3IFYKxT030527; Wed, 18 Apr 2018 17:38:16 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2hds2hcgpg-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 18 Apr 2018 17:38:16 +0200 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 5C34431; Wed, 18 Apr 2018 15:38:16 +0000 (GMT) Received: from Webmail-eu.st.com (gpxdag5node6.st.com [10.75.127.79]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3833C53F8; Wed, 18 Apr 2018 15:38:16 +0000 (GMT) Received: from localhost (10.75.127.119) by GPXDAG5NODE6.st.com (10.75.127.79) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 18 Apr 2018 17:38:15 +0200 From: Fabrice Gasnier To: , , Subject: [PATCH 1/3] dt-bindings: iio: stm32-adc: add support for STM32MP1. Date: Wed, 18 Apr 2018 17:37:52 +0200 Message-ID: <1524065874-434-2-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1524065874-434-1-git-send-email-fabrice.gasnier@st.com> References: <1524065874-434-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.119] X-ClientProxiedBy: GPXDAG3NODE4.st.com (10.75.127.71) To GPXDAG5NODE6.st.com (10.75.127.79) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-04-18_03:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180418_083838_232500_3B50E608 X-CRM114-Status: GOOD ( 10.60 ) 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, devicetree@vger.kernel.org, benjamin.gaignard@linaro.org, lars@metafoo.de, mcoquelin.stm32@gmail.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, pmeerw@pmeerw.net, knaack.h@gmx.de, fabrice.gasnier@st.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Document support for STM32MP1 ADC. It's quite similar to STM32H7 ADC. Introduce "st,stm32mp1-adc" compatible to handle variants of this hardware such as vregready flag, interrupts, clock rate. Signed-off-by: Fabrice Gasnier --- Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt index e8bb824..9994384 100644 --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt @@ -24,8 +24,11 @@ Required properties: - compatible: Should be one of: "st,stm32f4-adc-core" "st,stm32h7-adc-core" + "st,stm32mp1-adc-core" - reg: Offset and length of the ADC block register set. -- interrupts: Must contain the interrupt for ADC block. +- interrupts: One or more interrupts for ADC block. Some parts like stm32f4 + and stm32h7 share a common ADC interrupt line. stm32mp1 has separate + lines for each ADC within ADC block. - clocks: Core can use up to two clocks, depending on part used: - "adc" clock: for the analog circuitry, common to all ADCs. It's required on stm32f4. @@ -53,6 +56,7 @@ Required properties: - compatible: Should be one of: "st,stm32f4-adc" "st,stm32h7-adc" + "st,stm32mp1-adc" - reg: Offset of ADC instance in ADC block (e.g. may be 0x0, 0x100, 0x200). - clocks: Input clock private to this ADC instance. It's required only on stm32f4, that has per instance clock input for registers access.