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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 4F6DAC19F28 for ; Wed, 3 Aug 2022 10:37:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WktYc+p3JdGU4SfcDGbPMpLZw5G4cB1Q9TFGSXWntuE=; b=jBfKy1px/8f1NR UPJbPeHllwoPehXzjrbRFI47dFSwr17YJaoqwUAmlwFzBpEsK8RnRO0R29yOenGQrdvrwpxNOjfij uDxUQRUoBQABFxzDyVzpwCsD58JZ+A/ek7wU5ps94trKiXkG46HQ9DO9sak1xG5xeB4PzWc9LBZvL euu+/KOiBJKK9oAfd3bOhSxwF1lMunRC3ZSWeib6aB2XWoGYvZHG+0gXC7pYclgxWXehTAsuK3Sel /ywGtO8vmD0wy9ab0Toe0exqR46ppgpqavjtL4Iy9WKoRfOINd1rmkUkZBopVVye7zZnMD8QJt9oi XSj3A6mCJYFlBDcC+RUA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oJBjR-004ust-7I; Wed, 03 Aug 2022 10:36:07 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oJBb5-004pbt-GQ for linux-arm-kernel@lists.infradead.org; Wed, 03 Aug 2022 10:27:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1659522447; x=1691058447; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=l9GKIMdrnjhxNfzhZnmq6NYd9IpkPwtFs3aTyxKSkzQ=; b=UVlLBSjt5Q3yPi7Ph+XJvL+fdVd0yWNIvv/q6Gj8vdJahqOso/WAMHKC DOTf742wKt8OV6ASD9FU3Qh17Drdxmojf2xj6a6+JuZoDVSTFWmyLkXti TCFOk0Q8D2K1pvLzMmKQaC4NyuuJhT0vzBDtR2xeGh8BOrP4l36jZtBjg Uqqn90Zfj8ZV1zhOakUf829JXtRTyzAwJoSbPvSX1hpyM+njoXECLiEBF 2rY+EQzNTIwsh37+fv0o1xf36P+eTKf6nD+Kdf0ZrHQhgQz0Eok93J2v3 PFOa+qB4/jP/Zyub5y5EChUaGVF4OX7IfOOms1aUdUsWDhk0HVhDR33mA w==; X-IronPort-AV: E=Sophos;i="5.93,214,1654585200"; d="scan'208";a="170757335" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 03 Aug 2022 03:27:26 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Wed, 3 Aug 2022 03:27:22 -0700 Received: from localhost.localdomain (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2375.28 via Frontend Transport; Wed, 3 Aug 2022 03:27:20 -0700 From: Claudiu Beznea To: , , , , , , CC: , , , , Claudiu Beznea Subject: [PATCH v3 14/19] iio: adc: at91-sama5d2_adc: add startup and tracktim as parameter for at91_adc_setup_samp_freq() Date: Wed, 3 Aug 2022 13:28:50 +0300 Message-ID: <20220803102855.2191070-15-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220803102855.2191070-1-claudiu.beznea@microchip.com> References: <20220803102855.2191070-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220803_032732_282404_6F60BD4A X-CRM114-Status: GOOD ( 11.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add startup and tracktim as parameter for at91_adc_setup_samp_freq() function. In case of temperature sensor being enabled these parameters will be configured on temperature read request to improve the accuracy of the read temperature. Signed-off-by: Claudiu Beznea --- drivers/iio/adc/at91-sama5d2_adc.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index 0209353cbfd7..fd02da9b26b2 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -1435,7 +1435,9 @@ static unsigned at91_adc_startup_time(unsigned startup_time_min, return i; } -static void at91_adc_setup_samp_freq(struct iio_dev *indio_dev, unsigned freq) +static void at91_adc_setup_samp_freq(struct iio_dev *indio_dev, unsigned freq, + unsigned int startup_time, + unsigned int tracktim) { struct at91_adc_state *st = iio_priv(indio_dev); unsigned f_per, prescal, startup, mr; @@ -1443,17 +1445,17 @@ static void at91_adc_setup_samp_freq(struct iio_dev *indio_dev, unsigned freq) f_per = clk_get_rate(st->per_clk); prescal = (f_per / (2 * freq)) - 1; - startup = at91_adc_startup_time(st->soc_info.startup_time, - freq / 1000); + startup = at91_adc_startup_time(startup_time, freq / 1000); mr = at91_adc_readl(st, MR); mr &= ~(AT91_SAMA5D2_MR_STARTUP_MASK | AT91_SAMA5D2_MR_PRESCAL_MASK); mr |= AT91_SAMA5D2_MR_STARTUP(startup); mr |= AT91_SAMA5D2_MR_PRESCAL(prescal); + mr |= AT91_SAMA5D2_MR_TRACKTIM(tracktim); at91_adc_writel(st, MR, mr); - dev_dbg(&indio_dev->dev, "freq: %u, startup: %u, prescal: %u\n", - freq, startup, prescal); + dev_dbg(&indio_dev->dev, "freq: %u, startup: %u, prescal: %u, tracktim=%u\n", + freq, startup, prescal, tracktim); st->current_sample_rate = freq; } @@ -1725,7 +1727,8 @@ static int at91_adc_write_raw(struct iio_dev *indio_dev, if (ret) return ret; mutex_lock(&st->lock); - at91_adc_setup_samp_freq(indio_dev, val); + at91_adc_setup_samp_freq(indio_dev, val, + st->soc_info.startup_time, 0); mutex_unlock(&st->lock); iio_device_release_direct_mode(indio_dev); return 0; @@ -1907,7 +1910,8 @@ static void at91_adc_hw_init(struct iio_dev *indio_dev) at91_adc_writel(st, MR, AT91_SAMA5D2_MR_TRANSFER(2) | AT91_SAMA5D2_MR_ANACH); - at91_adc_setup_samp_freq(indio_dev, st->soc_info.min_sample_rate); + at91_adc_setup_samp_freq(indio_dev, st->soc_info.min_sample_rate, + st->soc_info.startup_time, 0); /* configure extended mode register */ at91_adc_config_emr(st, st->oversampling_ratio, 0); -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel