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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id u5-20020a1709063b8500b009930042510csm5600433ejf.222.2023.08.14.05.08.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 05:08:12 -0700 (PDT) From: Marcus Folkesson To: Marcus Folkesson , Kent Gustavsson , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Shevchenko , Cosmin Tanislav , Arnd Bergmann , ChiYuan Huang , Haibo Chen , Ramona Bolboaca , Ibrahim Tilki , ChiaEn Wu , William Breathitt Gray Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski Subject: [PATCH v5 1/6] dt-bindings: iio: adc: mcp3911: add support for the whole MCP39xx family Date: Mon, 14 Aug 2023 14:10:05 +0200 Message-ID: <20230814121010.184842-1-marcus.folkesson@gmail.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Microchip does have many similar chips, add those to the compatible string as the driver support is extended. The new supported chips are: - microchip,mcp3910 - microchip,mcp3912 - microchip,mcp3913 - microchip,mcp3914 - microchip,mcp3918 - microchip,mcp3919 Signed-off-by: Marcus Folkesson Reviewed-by: Krzysztof Kozlowski Reviewed-by: Andy Shevchenko --- Notes: v2: - No changes v3: - No changes v4: - No changes v5: - No changes .../devicetree/bindings/iio/adc/microchip,mcp3911.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml index f7b3fde4115a..06951ec5f5da 100644 --- a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml +++ b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml @@ -18,7 +18,13 @@ description: | properties: compatible: enum: + - microchip,mcp3910 - microchip,mcp3911 + - microchip,mcp3912 + - microchip,mcp3913 + - microchip,mcp3914 + - microchip,mcp3918 + - microchip,mcp3919 reg: maxItems: 1 From patchwork Mon Aug 14 12:10:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcus Folkesson X-Patchwork-Id: 713614 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 B7A74C001DB for ; Mon, 14 Aug 2023 12:09:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232988AbjHNMIl (ORCPT ); Mon, 14 Aug 2023 08:08:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233159AbjHNMIV (ORCPT ); Mon, 14 Aug 2023 08:08:21 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23CBEF5; Mon, 14 Aug 2023 05:08:19 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id a640c23a62f3a-986d8332f50so572485366b.0; Mon, 14 Aug 2023 05:08:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692014897; x=1692619697; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=IWoGZr69/zL66ym22bwxiAL63PVvg4kqD1dTeOz6J98=; b=pO1lmFz89wBRElBTFda36fMMlECfvstv1gwhlD9ZamYwwMCJgT1sz9fpWbSkRYeOXK xrUFTHAHyny5ybwLlEuq+xnagbFQSdjOLS7W7REfzauEw/4ie17Zvuag0QnSRVOVPv5d e923JDOTNJxuEBrkR+dZL9Gd5UR4uL/iHfZjyjBNUyVTUthPxNujra/3W7A94b9/we80 ceSJYsDf9bOpgnUvuG1ZQ8RuZbrATbj51FjvPFWwRBpRmVs8YDKHB1klMmo8KNSby9HS nU+OHag4WzpATdJheEgXTT8m7Q6ZQ0nn+obEwIp3kqmEZir6w8KX+ghmwmh2QE/RdWOj zjSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692014897; x=1692619697; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=IWoGZr69/zL66ym22bwxiAL63PVvg4kqD1dTeOz6J98=; b=ANvqFR7cpsSI6bb1lK9EdVAllLNqe3HXfjfeNvulEam4qXnOxFYAcXSPVAkoc0SDfr NlqnDUj4vCOwLr8jqGw6yZIX28oGUOEx11ySyt4OvuWaTvTNd/mBpPSY6I47mlYV97CB S5XZe2kz7oxj49/BZ4sib85kJOjKLVM7oWH38QXQGhdcOLRffGzAP5lagVsuPPbrtc55 AuwGjgb+ET0NXiJ39IqeoHBgqvWKgvooEiNZcPMXkzv99zVvrosk9s4CQfQD8dq1c1P6 6w6f77+m+KbQ9FuwSUdS0r3qOSM2pnExBMeqhrl4aU13PPKmbFe4BiRf+fqV8FdCPgqw Z0Cg== X-Gm-Message-State: AOJu0YwF9HnCKEkTkRNklpjikPeXBuAD4cPWYaAtGlwI/Im3iPcxfTd2 gupHGBSY98HRgwTsR4827betxsMWkOlIG3vD X-Google-Smtp-Source: AGHT+IFEtF605rnSZffsIwmwuf7YL13/5Bluv/QlOycy5OU1oZ2o/Ed1DFhMGAai9qQAzFyfsZ9T+g== X-Received: by 2002:a17:906:31d3:b0:99c:f966:9e9d with SMTP id f19-20020a17090631d300b0099cf9669e9dmr7316428ejf.10.1692014897487; Mon, 14 Aug 2023 05:08:17 -0700 (PDT) Received: from goliat.isc.local (83-233-6-197.cust.bredband2.com. [83.233.6.197]) by smtp.gmail.com with ESMTPSA id u5-20020a1709063b8500b009930042510csm5600433ejf.222.2023.08.14.05.08.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 05:08:16 -0700 (PDT) From: Marcus Folkesson To: Marcus Folkesson , Kent Gustavsson , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Shevchenko , Cosmin Tanislav , Arnd Bergmann , ChiYuan Huang , Haibo Chen , Ramona Bolboaca , Ibrahim Tilki , ChiaEn Wu , William Breathitt Gray Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 3/6] iio: adc: mcp3911: simplify usage of spi->dev Date: Mon, 14 Aug 2023 14:10:07 +0200 Message-ID: <20230814121010.184842-3-marcus.folkesson@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230814121010.184842-1-marcus.folkesson@gmail.com> References: <20230814121010.184842-1-marcus.folkesson@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Replace the usage of `adc->spi->dev` with `dev` to make the code prettier. Suggested-by: Andy Shevchenko Signed-off-by: Marcus Folkesson --- Notes: v4: - New patch in this series v5: - Introduce `struct device *dev` to more functions drivers/iio/adc/mcp3911.c | 59 ++++++++++++++++++--------------------- 1 file changed, 27 insertions(+), 32 deletions(-) diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c index 681248a3ddde..12fa635ed199 100644 --- a/drivers/iio/adc/mcp3911.c +++ b/drivers/iio/adc/mcp3911.c @@ -270,6 +270,7 @@ static int mcp3911_write_raw(struct iio_dev *indio_dev, static int mcp3911_calc_scale_table(struct mcp3911 *adc) { u32 ref = MCP3911_INT_VREF_MV; + struct device *dev = &adc->spi->dev; u32 div; int ret; u64 tmp; @@ -277,9 +278,7 @@ static int mcp3911_calc_scale_table(struct mcp3911 *adc) if (adc->vref) { ret = regulator_get_voltage(adc->vref); if (ret < 0) { - dev_err(&adc->spi->dev, - "failed to get vref voltage: %d\n", - ret); + dev_err(dev, "failed to get vref voltage: %d\n", ret); return ret; } @@ -337,6 +336,7 @@ static irqreturn_t mcp3911_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mcp3911 *adc = iio_priv(indio_dev); + struct device *dev = &adc->spi->dev; struct spi_transfer xfer[] = { { .tx_buf = &adc->tx_buf, @@ -354,8 +354,7 @@ static irqreturn_t mcp3911_trigger_handler(int irq, void *p) adc->tx_buf = MCP3911_REG_READ(MCP3911_CHANNEL(0), adc->dev_addr); ret = spi_sync_transfer(adc->spi, xfer, ARRAY_SIZE(xfer)); if (ret < 0) { - dev_warn(&adc->spi->dev, - "failed to get conversion data\n"); + dev_warn(dev, "failed to get conversion data\n"); goto out; } @@ -396,12 +395,10 @@ static int mcp3911_config(struct mcp3911 *adc) if (ret) device_property_read_u32(dev, "device-addr", &adc->dev_addr); if (adc->dev_addr > 3) { - dev_err(&adc->spi->dev, - "invalid device address (%i). Must be in range 0-3.\n", - adc->dev_addr); + dev_err(dev, "invalid device address (%i). Must be in range 0-3.\n", adc->dev_addr); return -EINVAL; } - dev_dbg(&adc->spi->dev, "use device address %i\n", adc->dev_addr); + dev_dbg(dev, "use device address %i\n", adc->dev_addr); ret = mcp3911_read(adc, MCP3911_REG_CONFIG, ®val, 2); if (ret) @@ -409,21 +406,19 @@ static int mcp3911_config(struct mcp3911 *adc) regval &= ~MCP3911_CONFIG_VREFEXT; if (adc->vref) { - dev_dbg(&adc->spi->dev, "use external voltage reference\n"); + dev_dbg(dev, "use external voltage reference\n"); regval |= FIELD_PREP(MCP3911_CONFIG_VREFEXT, 1); } else { - dev_dbg(&adc->spi->dev, - "use internal voltage reference (1.2V)\n"); + dev_dbg(dev, "use internal voltage reference (1.2V)\n"); regval |= FIELD_PREP(MCP3911_CONFIG_VREFEXT, 0); } regval &= ~MCP3911_CONFIG_CLKEXT; if (adc->clki) { - dev_dbg(&adc->spi->dev, "use external clock as clocksource\n"); + dev_dbg(dev, "use external clock as clocksource\n"); regval |= FIELD_PREP(MCP3911_CONFIG_CLKEXT, 1); } else { - dev_dbg(&adc->spi->dev, - "use crystal oscillator as clocksource\n"); + dev_dbg(dev, "use crystal oscillator as clocksource\n"); regval |= FIELD_PREP(MCP3911_CONFIG_CLKEXT, 0); } @@ -471,14 +466,14 @@ static int mcp3911_probe(struct spi_device *spi) struct device *dev = &spi->dev; int ret; - indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc)); + indio_dev = devm_iio_device_alloc(dev, sizeof(*adc)); if (!indio_dev) return -ENOMEM; adc = iio_priv(indio_dev); adc->spi = spi; - adc->vref = devm_regulator_get_optional(&adc->spi->dev, "vref"); + adc->vref = devm_regulator_get_optional(dev, "vref"); if (IS_ERR(adc->vref)) { if (PTR_ERR(adc->vref) == -ENODEV) { adc->vref = NULL; @@ -491,13 +486,12 @@ static int mcp3911_probe(struct spi_device *spi) if (ret) return ret; - ret = devm_add_action_or_reset(&spi->dev, - mcp3911_cleanup_regulator, adc->vref); + ret = devm_add_action_or_reset(dev, mcp3911_cleanup_regulator, adc->vref); if (ret) return ret; } - adc->clki = devm_clk_get_enabled(&adc->spi->dev, NULL); + adc->clki = devm_clk_get_enabled(dev, NULL); if (IS_ERR(adc->clki)) { if (PTR_ERR(adc->clki) == -ENOENT) { adc->clki = NULL; @@ -510,7 +504,7 @@ static int mcp3911_probe(struct spi_device *spi) if (ret) return ret; - if (device_property_read_bool(&adc->spi->dev, "microchip,data-ready-hiz")) + if (device_property_read_bool(dev, "microchip,data-ready-hiz")) ret = mcp3911_update(adc, MCP3911_REG_STATUSCOM, MCP3911_STATUSCOM_DRHIZ, 0, 2); else @@ -544,15 +538,15 @@ static int mcp3911_probe(struct spi_device *spi) mutex_init(&adc->lock); if (spi->irq > 0) { - adc->trig = devm_iio_trigger_alloc(&spi->dev, "%s-dev%d", - indio_dev->name, - iio_device_id(indio_dev)); + adc->trig = devm_iio_trigger_alloc(dev, "%s-dev%d", + indio_dev->name, + iio_device_id(indio_dev)); if (!adc->trig) return -ENOMEM; adc->trig->ops = &mcp3911_trigger_ops; iio_trigger_set_drvdata(adc->trig, adc); - ret = devm_iio_trigger_register(&spi->dev, adc->trig); + ret = devm_iio_trigger_register(dev, adc->trig); if (ret) return ret; @@ -561,20 +555,21 @@ static int mcp3911_probe(struct spi_device *spi) * Some platforms might not allow the option to power it down so * don't enable the interrupt to avoid extra load on the system. */ - ret = devm_request_irq(&spi->dev, spi->irq, - &iio_trigger_generic_data_rdy_poll, IRQF_NO_AUTOEN | IRQF_ONESHOT, - indio_dev->name, adc->trig); + ret = devm_request_irq(dev, spi->irq, + &iio_trigger_generic_data_rdy_poll, + IRQF_NO_AUTOEN | IRQF_ONESHOT, + indio_dev->name, adc->trig); if (ret) return ret; } - ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, - NULL, - mcp3911_trigger_handler, NULL); + ret = devm_iio_triggered_buffer_setup(dev, indio_dev, + NULL, + mcp3911_trigger_handler, NULL); if (ret) return ret; - return devm_iio_device_register(&adc->spi->dev, indio_dev); + return devm_iio_device_register(dev, indio_dev); } static const struct of_device_id mcp3911_dt_ids[] = { From patchwork Mon Aug 14 12:10:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcus Folkesson X-Patchwork-Id: 713613 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 B7FF9C07E8B for ; Mon, 14 Aug 2023 12:09:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233075AbjHNMIm (ORCPT ); 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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id u5-20020a1709063b8500b009930042510csm5600433ejf.222.2023.08.14.05.08.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 05:08:20 -0700 (PDT) From: Marcus Folkesson To: Marcus Folkesson , Kent Gustavsson , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Shevchenko , Cosmin Tanislav , Arnd Bergmann , ChiYuan Huang , Haibo Chen , Ramona Bolboaca , Ibrahim Tilki , ChiaEn Wu , William Breathitt Gray Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 5/6] iio: adc: mcp3911: avoid ambiguity parameters in macros Date: Mon, 14 Aug 2023 14:10:09 +0200 Message-ID: <20230814121010.184842-5-marcus.folkesson@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230814121010.184842-1-marcus.folkesson@gmail.com> References: <20230814121010.184842-1-marcus.folkesson@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Name macro parameters after what they represent instead of 'x'. Suggested-by: Andy Shevchenko Signed-off-by: Marcus Folkesson --- Notes: v5: - New patch in this series drivers/iio/adc/mcp3911.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c index 1648eaa878eb..f1e02aa14e93 100644 --- a/drivers/iio/adc/mcp3911.c +++ b/drivers/iio/adc/mcp3911.c @@ -51,8 +51,8 @@ #define MCP3911_REG_GAINCAL_CH1 0x17 #define MCP3911_REG_VREFCAL 0x1a -#define MCP3911_CHANNEL(x) (MCP3911_REG_CHANNEL0 + x * 3) -#define MCP3911_OFFCAL(x) (MCP3911_REG_OFFCAL_CH0 + x * 6) +#define MCP3911_CHANNEL(ch) (MCP3911_REG_CHANNEL0 + ch * 3) +#define MCP3911_OFFCAL(ch) (MCP3911_REG_OFFCAL_CH0 + ch * 6) /* Internal voltage reference in mV */ #define MCP3911_INT_VREF_MV 1200