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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B96DAC433EF for ; Wed, 6 Apr 2022 18:11:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240190AbiDFSNs (ORCPT ); Wed, 6 Apr 2022 14:13:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51382 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240289AbiDFSNL (ORCPT ); Wed, 6 Apr 2022 14:13:11 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 057A015EDD9 for ; Wed, 6 Apr 2022 09:50:36 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id s14-20020a17090a880e00b001caaf6d3dd1so6318297pjn.3 for ; Wed, 06 Apr 2022 09:50:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4P7e/QTs8wn6qj47LPpoe55zLRy/s7mxgSDGXvObcso=; b=mosDJgMTbuAEeGWSBBOJVYKHWb+uy+JM0xVt0xBaBGIyKSVcTL4B/LYGbiituFQk1x B/F1GzKThGl5xysLEVBANk8L4+eCtzcma7L8E5YKFAhOeiplWVp0xTV2T6kya+7/6jLF t0iCM4WIgF06f08W+OJk4uiPrRN+8nROUxPp8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4P7e/QTs8wn6qj47LPpoe55zLRy/s7mxgSDGXvObcso=; b=0S46hNQktehwHhdo7mBcbJVi8t1EFC9dPr8BjQwggYnkexS8Sh70iqNEtkPAUpv96+ O+RVf35ea00o9CB9XoHZsaBaSjSUS4WModbZV457LGNgiNWK0lFEj6IX64CKu71Kll/e HV3PRGU2CXc0fmSFEajph+Y8KdumPANzpqKwmJ0KqPPYrPOPYNjfsCcIcvn0NlNU8fcw TXDpoa96GPBYNCGbK6C8/TvDtxceyGbO9sa/Pl8ReCuDv++6PLoohIX4//F2eTTbKBZg 46M4LcFw/dMQqRxQ7KCDNR4MBD0UgRAt/h2gy2BxytBMl0tthvNBBlCH90nLK64pOVIH ytGA== X-Gm-Message-State: AOAM530RKASfK7VIX8UUlSLZzUgz1qpOy3Sxpt/U/y098Bs5b+LhbTH2 zJS5uurcWEbyTmMjIeMkKzY8Lw== X-Google-Smtp-Source: ABdhPJwe8dCFzb9OfeXN77GAVr2XjO9CyDChxHb1+7waxxZhuqHrqJ/ujHDyCYBYqIQLV8Ms1c1KqA== X-Received: by 2002:a17:902:da90:b0:154:1510:acc7 with SMTP id j16-20020a170902da9000b001541510acc7mr9517536plx.103.1649263835520; Wed, 06 Apr 2022 09:50:35 -0700 (PDT) Received: from localhost ([2620:15c:202:201:c9d3:469f:91e4:c022]) by smtp.gmail.com with UTF8SMTPSA id q203-20020a632ad4000000b003987c421eb2sm17122321pgq.34.2022.04.06.09.50.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Apr 2022 09:50:35 -0700 (PDT) From: Gwendal Grignou To: jic23@kernel.org, robh+dt@kernel.org, swboyd@chromium.org Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Gwendal Grignou Subject: [PATCH v4 4/8] iio: sx9324: Add precharge internal resistance setting Date: Wed, 6 Apr 2022 09:50:07 -0700 Message-Id: <20220406165011.10202-5-gwendal@chromium.org> X-Mailer: git-send-email 2.35.1.1094.g7c7d902a7c-goog In-Reply-To: <20220406165011.10202-1-gwendal@chromium.org> References: <20220406165011.10202-1-gwendal@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add ability to set the precharge internal resistance from the device tree. Signed-off-by: Gwendal Grignou Reviewed-by: Stephen Boyd --- Changes since v3: - Added Review tags. Changes since v2: - Change kOhms into ohms. Changes since v1: - Suffix field with kOhms unit. - Split patch in 2. drivers/iio/proximity/sx9324.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c index a7d9a53692a6d..691700de0b9d4 100644 --- a/drivers/iio/proximity/sx9324.c +++ b/drivers/iio/proximity/sx9324.c @@ -72,6 +72,7 @@ #define SX9324_REG_AFE_CTRL8 0x2c #define SX9324_REG_AFE_CTRL8_RESERVED 0x10 #define SX9324_REG_AFE_CTRL8_RESFILTIN_4KOHM 0x02 +#define SX9324_REG_AFE_CTRL8_RESFILTIN_MASK GENMASK(3, 0) #define SX9324_REG_AFE_CTRL9 0x2d #define SX9324_REG_AFE_CTRL9_AGAIN_1 0x08 @@ -893,6 +894,15 @@ sx9324_get_default_reg(struct device *dev, int idx, reg_def->def |= FIELD_PREP(SX9324_REG_AFE_CTRL4_RESOLUTION_MASK, raw); break; + case SX9324_REG_AFE_CTRL8: + ret = device_property_read_u32(dev, + "semtech,input-precharge-resistor-ohms", + &raw); + reg_def->def &= ~SX9324_REG_AFE_CTRL8_RESFILTIN_MASK; + reg_def->def |= FIELD_PREP(SX9324_REG_AFE_CTRL8_RESFILTIN_MASK, + raw / 2000); + break; + case SX9324_REG_ADV_CTRL5: ret = device_property_read_u32(dev, "semtech,startup-sensor", &start); -- 2.35.1.1094.g7c7d902a7c-goog