From patchwork Mon Aug 28 10:04:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 9925131 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 8534260383 for ; Mon, 28 Aug 2017 10:08:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 76097286AA for ; Mon, 28 Aug 2017 10:08:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6AFC1283C3; Mon, 28 Aug 2017 10:08:59 +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=-2.6 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_LOW autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CEE432869D for ; Mon, 28 Aug 2017 10:08:58 +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=VygZo2tkrcfp94d8XWbaniSHwA/VcfCmpiAx6ngk4Vg=; b=ogO1JPXXbPnPel jtb5Eezo0iDpN/J+lUIwrjTwMfpyxCsIlt+MYCbAEy6KfTixO0ERpL9KqPnONT3X2GR6XlIqhMOV7 sE3nZP2f3fbyUOZspAAWZte5/cE5K4DyTTNEQ3/KQRKb4qzcSIYquOi5AMvk+bfgv7HAJFWhwcEoH oxU3bCgnnBVKIvTsxalDi6UBw/Xdz6qBlmx1w9dNDDuoi2zAxhw/5n0ruobbH2t1pCKFkxrWRqqJa Q5POasJTcaHzbs5o6r4phU8AoR57xbMt/KPrxtSHXGiPlybk6lMDa2i2LXHVZltmdV0VUuKi+sHUe hFePcgKKwmhuoEBzISAA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dmGxa-0000F0-Tn; Mon, 28 Aug 2017 10:07:58 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dmGus-0005DB-Hn for linux-arm-kernel@lists.infradead.org; Mon, 28 Aug 2017 10:05:23 +0000 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v7SA4e13015962; Mon, 28 Aug 2017 12:04:43 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-.pphosted.com with ESMTP id 2cjyveha79-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 28 Aug 2017 12:04:43 +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 75F4738; Mon, 28 Aug 2017 10:04:42 +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 4A46D200A; Mon, 28 Aug 2017 10:04:42 +0000 (GMT) Received: from localhost (10.75.127.48) by SFHDAG5NODE3.st.com (10.75.127.15) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Mon, 28 Aug 2017 12:04:41 +0200 From: Fabrice Gasnier To: , , , , Subject: [RESEND PATCH v3 9/9] iio: adc: stm32: add support for lptimer triggers Date: Mon, 28 Aug 2017 12:04:14 +0200 Message-ID: <1503914654-19963-10-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1503914654-19963-1-git-send-email-fabrice.gasnier@st.com> References: <1503914654-19963-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG6NODE1.st.com (10.75.127.16) To SFHDAG5NODE3.st.com (10.75.127.15) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-08-28_06:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170828_030511_141454_CBA25753 X-CRM114-Status: GOOD ( 10.17 ) 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, alexandre.torgue@st.com, linux-pwm@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, vilhelm.gray@gmail.com, mcoquelin.stm32@gmail.com, fabrice.gasnier@st.com, linux-arm-kernel@lists.infradead.org, benjamin.gaignard@st.com 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 STM32 ADC supports hardware triggers like STM32 Low-Power Timer. For instance, STM32H7 ADC may be triggered by instances 1, 2 or 3. Add hardware triggered mode so Low-Power Timer Trigger driver can validate device. Signed-off-by: Fabrice Gasnier Acked-by: Jonathan Cameron --- drivers/iio/adc/stm32-adc.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 5bfcc1f..1147d7e 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -182,6 +183,11 @@ enum stm32_adc_extsel { STM32_EXT13, STM32_EXT14, STM32_EXT15, + STM32_EXT16, + STM32_EXT17, + STM32_EXT18, + STM32_EXT19, + STM32_EXT20, }; /** @@ -480,6 +486,9 @@ struct stm32_adc_info { { TIM4_TRGO, STM32_EXT12 }, { TIM6_TRGO, STM32_EXT13 }, { TIM3_CH4, STM32_EXT15 }, + { LPTIM1_OUT, STM32_EXT18 }, + { LPTIM2_OUT, STM32_EXT19 }, + { LPTIM3_OUT, STM32_EXT20 }, {}, }; @@ -995,7 +1004,8 @@ static int stm32_adc_get_trig_extsel(struct iio_dev *indio_dev, * Checking both stm32 timer trigger type and trig name * should be safe against arbitrary trigger names. */ - if (is_stm32_timer_trigger(trig) && + if ((is_stm32_timer_trigger(trig) || + is_stm32_lptim_trigger(trig)) && !strcmp(adc->cfg->trigs[i].name, trig->name)) { return adc->cfg->trigs[i].extsel; } @@ -1634,7 +1644,7 @@ static int stm32_adc_probe(struct platform_device *pdev) indio_dev->dev.parent = &pdev->dev; indio_dev->dev.of_node = pdev->dev.of_node; indio_dev->info = &stm32_adc_iio_info; - indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->modes = INDIO_DIRECT_MODE | INDIO_HARDWARE_TRIGGERED; platform_set_drvdata(pdev, adc);