From patchwork Wed Aug 14 10:43:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093685 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 57C5013B1 for ; Wed, 14 Aug 2019 10:44:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 423172877F for ; Wed, 14 Aug 2019 10:44:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 361E3287C9; Wed, 14 Aug 2019 10:44:22 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY 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 C438C2877F for ; Wed, 14 Aug 2019 10:44:21 +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: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:In-Reply-To:References: List-Owner; bh=Dkk/ZRPUHMMIMECAnrDdS2B2CeX8g12l6/OQwkwKSJA=; b=G8pCVBr6oNpQWg zIhMFPpGf69aYA2Easfp0GH+ziMQ822iMpRqjJWabFNBbIpN9qcB0n/pG5V8cZnBog9xrliBNlBij ubie040pQIv4IWrldDQ9GNYnowfY6StIGSuyiyqA1lNa4iJLE1p9Jpmlwhk/Ku2NuApx9c58ug0nx gyC5PSKifJPUaxEvRrX2OacwHz9QZXGwyQPBKgp45uGo7yDjE/YAhubzi8+VrcsuR0/00mLRe3ZWs F1SiMPVmWGDv1I3DC3Yw3nBZAJMCzNur1wd7k1A7thGB2n2k/A6r27Djs03q34lfuno+iwy7nmIKs A+aMP0zh3dvZ/RVrvQqg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxqlR-00013e-Ii; Wed, 14 Aug 2019 10:44:21 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxqlO-00011D-Rf for linux-mediatek@lists.infradead.org; Wed, 14 Aug 2019 10:44:20 +0000 X-UUID: b31fa2a075c6450980e67821eb0c0391-20190814 X-UUID: b31fa2a075c6450980e67821eb0c0391-20190814 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1166609672; Wed, 14 Aug 2019 02:44:11 -0800 Received: from mtkmbs08n2.mediatek.inc (172.21.101.56) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:44:09 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:44:01 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:44:02 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 1/10] pwm: mediatek: add a property "num-pwms" Date: Wed, 14 Aug 2019 18:43:31 +0800 Message-ID: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-TM-SNTS-SMTP: C210467220D08AB4A2720086E49BB2C845657508C5D2C45C5876C5C23677EC2D2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034418_898621_DED6787E X-CRM114-Status: GOOD ( 14.55 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee This adds a property "num-pwms" to avoid having an endless list of compatibles with no differences for the same driver. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih --- Used: https://patchwork.kernel.org/project/linux-mediatek/list/?series=68207 Changes since v2: - use num-pwms instead of mediatek,num-pwms. - rename the member from num_pwms to fallback_num_pwms to make it more obvious that it doesn't represent the actually used value. - add a dev_warn and a expressive comment to help other developers to not start adding num_pwms in the compatible_data. Changes since v1: - add some checks for backwards compatibility. --- drivers/pwm/pwm-mediatek.c | 35 ++++++++++++++++++++++------------- 1 file changed, 22 insertions(+), 13 deletions(-) diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index eb6674c..f9d67fb 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -55,7 +55,7 @@ enum { }; struct mtk_pwm_platform_data { - unsigned int num_pwms; + unsigned int fallback_npwms; bool pwm45_fixup; bool has_clks; }; @@ -226,27 +226,36 @@ static void mtk_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) static int mtk_pwm_probe(struct platform_device *pdev) { - const struct mtk_pwm_platform_data *data; + struct device_node *np = pdev->dev.of_node; struct mtk_pwm_chip *pc; struct resource *res; - unsigned int i; + unsigned int i, npwms; int ret; pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); if (!pc) return -ENOMEM; - data = of_device_get_match_data(&pdev->dev); - if (data == NULL) - return -EINVAL; - pc->soc = data; + pc->soc = of_device_get_match_data(&pdev->dev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); pc->regs = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(pc->regs)) return PTR_ERR(pc->regs); - for (i = 0; i < data->num_pwms + 2 && pc->soc->has_clks; i++) { + ret = of_property_read_u32(np, "num-pwms", &npwms); + if (ret < 0) { + /* It's deprecated, we should specify num_pwms via DT now. */ + if (pc->soc->fallback_npwms) { + npwms = pc->soc->fallback_npwms; + dev_warn(&pdev->dev, "DT is outdated, please update it\n"); + } else { + dev_err(&pdev->dev, "failed to get number of PWMs\n"); + return ret; + } + } + + for (i = 0; i < npwms + 2 && pc->soc->has_clks; i++) { pc->clks[i] = devm_clk_get(&pdev->dev, mtk_pwm_clk_name[i]); if (IS_ERR(pc->clks[i])) { dev_err(&pdev->dev, "clock: %s fail: %ld\n", @@ -260,7 +269,7 @@ static int mtk_pwm_probe(struct platform_device *pdev) pc->chip.dev = &pdev->dev; pc->chip.ops = &mtk_pwm_ops; pc->chip.base = -1; - pc->chip.npwm = data->num_pwms; + pc->chip.npwm = npwms; ret = pwmchip_add(&pc->chip); if (ret < 0) { @@ -279,25 +288,25 @@ static int mtk_pwm_remove(struct platform_device *pdev) } static const struct mtk_pwm_platform_data mt2712_pwm_data = { - .num_pwms = 8, + .fallback_npwms = 8, .pwm45_fixup = false, .has_clks = true, }; static const struct mtk_pwm_platform_data mt7622_pwm_data = { - .num_pwms = 6, + .fallback_npwms = 6, .pwm45_fixup = false, .has_clks = true, }; static const struct mtk_pwm_platform_data mt7623_pwm_data = { - .num_pwms = 5, + .fallback_npwms = 5, .pwm45_fixup = true, .has_clks = true, }; static const struct mtk_pwm_platform_data mt7628_pwm_data = { - .num_pwms = 4, + .fallback_npwms = 4, .pwm45_fixup = true, .has_clks = false, }; From patchwork Wed Aug 14 10:43:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093683 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 19B3313B1 for ; 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Wed, 14 Aug 2019 10:44:16 +0000 X-UUID: 37bc6ee64ef546418bf7f13639e31164-20190814 X-UUID: 37bc6ee64ef546418bf7f13639e31164-20190814 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1014046261; Wed, 14 Aug 2019 02:44:11 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:44:10 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:44:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:44:08 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 2/10] pwm: mediatek: allocate the clks array dynamically Date: Wed, 14 Aug 2019 18:43:32 +0800 Message-ID: <083c0fe6e6c4f7e93a7755df8e606d7be94cce3f.1548313019.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034414_787951_FD2E5F4D X-CRM114-Status: GOOD ( 15.51 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee Instead of using fixed size of arrays, allocate the memory for them based on the information we get from the chips. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih --- drivers/pwm/pwm-mediatek.c | 76 ++++++++++++++++++++++++---------------------- 1 file changed, 39 insertions(+), 37 deletions(-) diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index f9d67fb..47585b6 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -35,25 +35,6 @@ #define PWM_CLK_DIV_MAX 7 -enum { - MTK_CLK_MAIN = 0, - MTK_CLK_TOP, - MTK_CLK_PWM1, - MTK_CLK_PWM2, - MTK_CLK_PWM3, - MTK_CLK_PWM4, - MTK_CLK_PWM5, - MTK_CLK_PWM6, - MTK_CLK_PWM7, - MTK_CLK_PWM8, - MTK_CLK_MAX, -}; - -static const char * const mtk_pwm_clk_name[MTK_CLK_MAX] = { - "main", "top", "pwm1", "pwm2", "pwm3", "pwm4", "pwm5", "pwm6", "pwm7", - "pwm8" -}; - struct mtk_pwm_platform_data { unsigned int fallback_npwms; bool pwm45_fixup; @@ -64,12 +45,16 @@ struct mtk_pwm_platform_data { * struct mtk_pwm_chip - struct representing PWM chip * @chip: linux PWM chip representation * @regs: base address of PWM chip - * @clks: list of clocks + * @clk_top: the top clock generator + * @clk_main: the clock used by PWM core + * @clk_pwms: the clock used by each PWM channel */ struct mtk_pwm_chip { struct pwm_chip chip; void __iomem *regs; - struct clk *clks[MTK_CLK_MAX]; + struct clk *clk_top; + struct clk *clk_main; + struct clk **clk_pwms; const struct mtk_pwm_platform_data *soc; }; @@ -90,24 +75,24 @@ static int mtk_pwm_clk_enable(struct pwm_chip *chip, struct pwm_device *pwm) if (!pc->soc->has_clks) return 0; - ret = clk_prepare_enable(pc->clks[MTK_CLK_TOP]); + ret = clk_prepare_enable(pc->clk_top); if (ret < 0) return ret; - ret = clk_prepare_enable(pc->clks[MTK_CLK_MAIN]); + ret = clk_prepare_enable(pc->clk_main); if (ret < 0) goto disable_clk_top; - ret = clk_prepare_enable(pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]); + ret = clk_prepare_enable(pc->clk_pwms[pwm->hwpwm]); if (ret < 0) goto disable_clk_main; return 0; disable_clk_main: - clk_disable_unprepare(pc->clks[MTK_CLK_MAIN]); + clk_disable_unprepare(pc->clk_main); disable_clk_top: - clk_disable_unprepare(pc->clks[MTK_CLK_TOP]); + clk_disable_unprepare(pc->clk_top); return ret; } @@ -119,9 +104,9 @@ static void mtk_pwm_clk_disable(struct pwm_chip *chip, struct pwm_device *pwm) if (!pc->soc->has_clks) return; - clk_disable_unprepare(pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]); - clk_disable_unprepare(pc->clks[MTK_CLK_MAIN]); - clk_disable_unprepare(pc->clks[MTK_CLK_TOP]); + clk_disable_unprepare(pc->clk_pwms[pwm->hwpwm]); + clk_disable_unprepare(pc->clk_main); + clk_disable_unprepare(pc->clk_top); } static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num, @@ -141,7 +126,7 @@ static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, int duty_ns, int period_ns) { struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); - struct clk *clk = pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]; + struct clk *clk = pc->soc->has_clks ? pc->clk_pwms[pwm->hwpwm] : NULL; u32 clkdiv = 0, cnt_period, cnt_duty, reg_width = PWMDWIDTH, reg_thres = PWMTHRES; u64 resolution; @@ -229,7 +214,7 @@ static int mtk_pwm_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct mtk_pwm_chip *pc; struct resource *res; - unsigned int i, npwms; + unsigned int npwms; int ret; pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); @@ -255,12 +240,29 @@ static int mtk_pwm_probe(struct platform_device *pdev) } } - for (i = 0; i < npwms + 2 && pc->soc->has_clks; i++) { - pc->clks[i] = devm_clk_get(&pdev->dev, mtk_pwm_clk_name[i]); - if (IS_ERR(pc->clks[i])) { - dev_err(&pdev->dev, "clock: %s fail: %ld\n", - mtk_pwm_clk_name[i], PTR_ERR(pc->clks[i])); - return PTR_ERR(pc->clks[i]); + if (pc->soc->has_clks) { + int i; + + pc->clk_pwms = devm_kcalloc(&pdev->dev, npwms, + sizeof(*pc->clk_pwms), GFP_KERNEL); + if (!pc->clk_pwms) + return -ENOMEM; + + pc->clk_top = devm_clk_get(&pdev->dev, "top"); + if (IS_ERR(pc->clk_top)) + return PTR_ERR(pc->clk_top); + + pc->clk_main = devm_clk_get(&pdev->dev, "main"); + if (IS_ERR(pc->clk_main)) + return PTR_ERR(pc->clk_main); + + for (i = 0; i < npwms; i++) { + char name[8]; + + snprintf(name, sizeof(name), "pwm%d", i + 1); + pc->clk_pwms[i] = devm_clk_get(&pdev->dev, name); + if (IS_ERR(pc->clk_pwms[i])) + return PTR_ERR(pc->clk_pwms[i]); } } From patchwork Wed Aug 14 10:43:33 2019 Content-Type: text/plain; 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Wed, 14 Aug 2019 18:44:18 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 3/10] pwm: mediatek: use pwm_mediatek as common prefix Date: Wed, 14 Aug 2019 18:43:33 +0800 Message-ID: <8ea3dd6e62d6e05bfce052b509a2a31d865d51b4.1548313019.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034437_169911_74FCB6BB X-CRM114-Status: GOOD ( 14.52 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee Use pwm_mediatek as common prefix to match the filename. No functional change intended. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih --- drivers/pwm/pwm-mediatek.c | 119 +++++++++++++++++++++++---------------------- 1 file changed, 60 insertions(+), 59 deletions(-) diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index 47585b6..d696df7 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -1,12 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * Mediatek Pulse Width Modulator driver + * MediaTek Pulse Width Modulator driver * * Copyright (C) 2015 John Crispin * Copyright (C) 2017 Zhi Mao * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include @@ -35,41 +33,43 @@ #define PWM_CLK_DIV_MAX 7 -struct mtk_pwm_platform_data { +struct pwm_mediatek_of_data { unsigned int fallback_npwms; bool pwm45_fixup; bool has_clks; }; /** - * struct mtk_pwm_chip - struct representing PWM chip + * struct pwm_mediatek_chip - struct representing PWM chip * @chip: linux PWM chip representation * @regs: base address of PWM chip * @clk_top: the top clock generator * @clk_main: the clock used by PWM core * @clk_pwms: the clock used by each PWM channel */ -struct mtk_pwm_chip { +struct pwm_mediatek_chip { struct pwm_chip chip; void __iomem *regs; struct clk *clk_top; struct clk *clk_main; struct clk **clk_pwms; - const struct mtk_pwm_platform_data *soc; + const struct pwm_mediatek_of_data *soc; }; -static const unsigned int mtk_pwm_reg_offset[] = { +static const unsigned int pwm_mediatek_reg_offset[] = { 0x0010, 0x0050, 0x0090, 0x00d0, 0x0110, 0x0150, 0x0190, 0x0220 }; -static inline struct mtk_pwm_chip *to_mtk_pwm_chip(struct pwm_chip *chip) +static inline struct pwm_mediatek_chip * +to_pwm_mediatek_chip(struct pwm_chip *chip) { - return container_of(chip, struct mtk_pwm_chip, chip); + return container_of(chip, struct pwm_mediatek_chip, chip); } -static int mtk_pwm_clk_enable(struct pwm_chip *chip, struct pwm_device *pwm) +static int pwm_mediatek_clk_enable(struct pwm_chip *chip, + struct pwm_device *pwm) { - struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); + struct pwm_mediatek_chip *pc = to_pwm_mediatek_chip(chip); int ret; if (!pc->soc->has_clks) @@ -97,9 +97,10 @@ static int mtk_pwm_clk_enable(struct pwm_chip *chip, struct pwm_device *pwm) return ret; } -static void mtk_pwm_clk_disable(struct pwm_chip *chip, struct pwm_device *pwm) +static void pwm_mediatek_clk_disable(struct pwm_chip *chip, + struct pwm_device *pwm) { - struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); + struct pwm_mediatek_chip *pc = to_pwm_mediatek_chip(chip); if (!pc->soc->has_clks) return; @@ -109,30 +110,30 @@ static void mtk_pwm_clk_disable(struct pwm_chip *chip, struct pwm_device *pwm) clk_disable_unprepare(pc->clk_top); } -static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num, - unsigned int offset) +static inline u32 pwm_mediatek_readl(struct pwm_mediatek_chip *chip, + unsigned int num, unsigned int offset) { - return readl(chip->regs + mtk_pwm_reg_offset[num] + offset); + return readl(chip->regs + pwm_mediatek_reg_offset[num] + offset); } -static inline void mtk_pwm_writel(struct mtk_pwm_chip *chip, - unsigned int num, unsigned int offset, - u32 value) +static inline void pwm_mediatek_writel(struct pwm_mediatek_chip *chip, + unsigned int num, unsigned int offset, + u32 value) { - writel(value, chip->regs + mtk_pwm_reg_offset[num] + offset); + writel(value, chip->regs + pwm_mediatek_reg_offset[num] + offset); } -static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, - int duty_ns, int period_ns) +static int pwm_mediatek_config(struct pwm_chip *chip, struct pwm_device *pwm, + int duty_ns, int period_ns) { - struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); + struct pwm_mediatek_chip *pc = to_pwm_mediatek_chip(chip); struct clk *clk = pc->soc->has_clks ? pc->clk_pwms[pwm->hwpwm] : NULL; u32 clkdiv = 0, cnt_period, cnt_duty, reg_width = PWMDWIDTH, reg_thres = PWMTHRES; u64 resolution; int ret; - ret = mtk_pwm_clk_enable(chip, pwm); + ret = pwm_mediatek_clk_enable(chip, pwm); if (ret < 0) return ret; @@ -149,7 +150,7 @@ static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, } if (clkdiv > PWM_CLK_DIV_MAX) { - mtk_pwm_clk_disable(chip, pwm); + pwm_mediatek_clk_disable(chip, pwm); dev_err(chip->dev, "period %d not supported\n", period_ns); return -EINVAL; } @@ -164,22 +165,22 @@ static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, } cnt_duty = DIV_ROUND_CLOSEST_ULL((u64)duty_ns * 1000, resolution); - mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | clkdiv); - mtk_pwm_writel(pc, pwm->hwpwm, reg_width, cnt_period); - mtk_pwm_writel(pc, pwm->hwpwm, reg_thres, cnt_duty); + pwm_mediatek_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | clkdiv); + pwm_mediatek_writel(pc, pwm->hwpwm, reg_width, cnt_period); + pwm_mediatek_writel(pc, pwm->hwpwm, reg_thres, cnt_duty); - mtk_pwm_clk_disable(chip, pwm); + pwm_mediatek_clk_disable(chip, pwm); return 0; } -static int mtk_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) +static int pwm_mediatek_enable(struct pwm_chip *chip, struct pwm_device *pwm) { - struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); + struct pwm_mediatek_chip *pc = to_pwm_mediatek_chip(chip); u32 value; int ret; - ret = mtk_pwm_clk_enable(chip, pwm); + ret = pwm_mediatek_clk_enable(chip, pwm); if (ret < 0) return ret; @@ -190,29 +191,29 @@ static int mtk_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) return 0; } -static void mtk_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) +static void pwm_mediatek_disable(struct pwm_chip *chip, struct pwm_device *pwm) { - struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); + struct pwm_mediatek_chip *pc = to_pwm_mediatek_chip(chip); u32 value; value = readl(pc->regs); value &= ~BIT(pwm->hwpwm); writel(value, pc->regs); - mtk_pwm_clk_disable(chip, pwm); + pwm_mediatek_clk_disable(chip, pwm); } -static const struct pwm_ops mtk_pwm_ops = { - .config = mtk_pwm_config, - .enable = mtk_pwm_enable, - .disable = mtk_pwm_disable, +static const struct pwm_ops pwm_mediatek_ops = { + .config = pwm_mediatek_config, + .enable = pwm_mediatek_enable, + .disable = pwm_mediatek_disable, .owner = THIS_MODULE, }; -static int mtk_pwm_probe(struct platform_device *pdev) +static int pwm_mediatek_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - struct mtk_pwm_chip *pc; + struct pwm_mediatek_chip *pc; struct resource *res; unsigned int npwms; int ret; @@ -269,7 +270,7 @@ static int mtk_pwm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pc); pc->chip.dev = &pdev->dev; - pc->chip.ops = &mtk_pwm_ops; + pc->chip.ops = &pwm_mediatek_ops; pc->chip.base = -1; pc->chip.npwm = npwms; @@ -282,55 +283,55 @@ static int mtk_pwm_probe(struct platform_device *pdev) return 0; } -static int mtk_pwm_remove(struct platform_device *pdev) +static int pwm_mediatek_remove(struct platform_device *pdev) { - struct mtk_pwm_chip *pc = platform_get_drvdata(pdev); + struct pwm_mediatek_chip *pc = platform_get_drvdata(pdev); return pwmchip_remove(&pc->chip); } -static const struct mtk_pwm_platform_data mt2712_pwm_data = { +static const struct pwm_mediatek_of_data mt2712_pwm_data = { .fallback_npwms = 8, .pwm45_fixup = false, .has_clks = true, }; -static const struct mtk_pwm_platform_data mt7622_pwm_data = { +static const struct pwm_mediatek_of_data mt7622_pwm_data = { .fallback_npwms = 6, .pwm45_fixup = false, .has_clks = true, }; -static const struct mtk_pwm_platform_data mt7623_pwm_data = { +static const struct pwm_mediatek_of_data mt7623_pwm_data = { .fallback_npwms = 5, .pwm45_fixup = true, .has_clks = true, }; -static const struct mtk_pwm_platform_data mt7628_pwm_data = { +static const struct pwm_mediatek_of_data mt7628_pwm_data = { .fallback_npwms = 4, .pwm45_fixup = true, .has_clks = false, }; -static const struct of_device_id mtk_pwm_of_match[] = { +static const struct of_device_id pwm_mediatek_of_match[] = { { .compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data }, { .compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data }, { .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data }, { .compatible = "mediatek,mt7628-pwm", .data = &mt7628_pwm_data }, { }, }; -MODULE_DEVICE_TABLE(of, mtk_pwm_of_match); +MODULE_DEVICE_TABLE(of, pwm_mediatek_of_match); -static struct platform_driver mtk_pwm_driver = { +static struct platform_driver pwm_mediatek_driver = { .driver = { - .name = "mtk-pwm", - .of_match_table = mtk_pwm_of_match, + .name = "pwm-mediatek", + .of_match_table = pwm_mediatek_of_match, }, - .probe = mtk_pwm_probe, - .remove = mtk_pwm_remove, + .probe = pwm_mediatek_probe, + .remove = pwm_mediatek_remove, }; -module_platform_driver(mtk_pwm_driver); +module_platform_driver(pwm_mediatek_driver); MODULE_AUTHOR("John Crispin "); -MODULE_LICENSE("GPL"); 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Wed, 14 Aug 2019 18:44:50 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 4/10] dt-bindings: pwm: add a property "num-pwms" Date: Wed, 14 Aug 2019 18:43:34 +0800 Message-ID: <4107497fa8564032cac49e70680a9aa7bbb312eb.1548313019.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034459_179682_B4F6A704 X-CRM114-Status: GOOD ( 11.33 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee This adds a property "num-pwms" in example so that we could specify the number of PWM channels via device tree. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih Reviewed-by: Matthias Brugger --- Changes since v2: - use num-pwms instead of mediatek,num-pwms. - modify the description of clocks to make it simple. Changes since v1: - add a Reviewed-by tag. --- Documentation/devicetree/bindings/pwm/pwm-mediatek.txt | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt index 991728c..ea95b49 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt @@ -14,12 +14,12 @@ Required properties: has no clocks - "top": the top clock generator - "main": clock used by the PWM core - - "pwm1-8": the eight per PWM clocks for mt2712 - - "pwm1-6": the six per PWM clocks for mt7622 - - "pwm1-5": the five per PWM clocks for mt7623 + - "pwm1-N": the PWM clocks for each channel + where N starting from 1 to the maximum number of PWM channels - pinctrl-names: Must contain a "default" entry. - pinctrl-0: One property must exist for each entry in pinctrl-names. See pinctrl/pinctrl-bindings.txt for details of the property values. + - num-pwms: the number of PWM channels. Example: pwm0: pwm@11006000 { @@ -37,4 +37,5 @@ Example: "pwm3", "pwm4", "pwm5"; pinctrl-names = "default"; pinctrl-0 = <&pwm0_pins>; + num-pwms = <5>; }; From patchwork Wed Aug 14 10:43:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093719 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1AADE1395 for ; Wed, 14 Aug 2019 10:46:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 03EE82877F for ; Wed, 14 Aug 2019 10:46:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EC972287C9; Wed, 14 Aug 2019 10:46:14 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY 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 ABB872877F for ; Wed, 14 Aug 2019 10:46:14 +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=+bIHeUNClpLsMEXT+tR9948n3OBOoR0fputlBh3MQyY=; b=rI6ontxQf9eQTp necZlHhr9VyKyk5ilAvWoG792h2kBzqKnAi/IL+W/kptrFOImUR+3qKp5vnxSNmCUUdVojiOGP6Wh sCVNYj2LhMv1nOuH9KqtvI1nEBPhE4iUBHN2NTaGfZKLWoBawU0Xb+1iYD7IKIgzHcqj1TFzuZsP/ nXutWer4o1gcXVUEQlQc3zyXfWeV670+7Hm/RMUxIMzSXI9MPdFiSQ0G85p5spbfT7Wnb/mLzBI4C E9MjdHhmy2FPmUsyDAWM/WZNP+2rsQc27nWpbbhq5XnRciCgYB6U7MZ9wVlCnRORzH3M/epO+SXHw dwDs8cT+nJ4gnMSsrJaw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxqnG-0002uM-EF; Wed, 14 Aug 2019 10:46:14 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxqnE-0002sw-0m for linux-mediatek@lists.infradead.org; Wed, 14 Aug 2019 10:46:13 +0000 X-UUID: 95b28f2448ad48b28fc6086b4c1291cb-20190814 X-UUID: 95b28f2448ad48b28fc6086b4c1291cb-20190814 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 138317000; Wed, 14 Aug 2019 02:44:57 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:44:56 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:44:54 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:44:55 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 5/10] arm64: dts: mt7622: add a property "num-pwms" for PWM node Date: Wed, 14 Aug 2019 18:43:35 +0800 Message-ID: X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034612_061153_9F0B662A X-CRM114-Status: UNSURE ( 9.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee This adds a property "num-pwms" for PWM controller. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih --- Changes since v2: use num-pwms instead of mediatek,num-pwms. --- arch/arm64/boot/dts/mediatek/mt7622.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi index 8fc4aa7..17e7164 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi @@ -436,6 +436,7 @@ <&pericfg CLK_PERI_PWM6_PD>; clock-names = "top", "main", "pwm1", "pwm2", "pwm3", "pwm4", "pwm5", "pwm6"; + num-pwms = <6>; status = "disabled"; }; From patchwork Wed Aug 14 10:43:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093693 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B12E41395 for ; Wed, 14 Aug 2019 10:45:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 981D5287C9 for ; Wed, 14 Aug 2019 10:45:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8C765287CD; Wed, 14 Aug 2019 10:45:07 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY 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 43E57287C9 for ; Wed, 14 Aug 2019 10:45:07 +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=/fO4wFdQc2xcMc4hPiraRLfrOG2OxHjoavw5MMoqPCA=; b=rzakO5AApvUlvi a/iM4vz0EGpcezG6RSt0qpn1fIZ/JCDB67ivEbjAkcg0mTXlHdR8QKK83b+JPH/bF7ySLorIwLYBk wHchLcl8+SER+FHiT4rHp2YT2G/70WX5tMeIX1sMJPhJv8dgu/rYBt/d04vBGJhEkZNg/EnB+2S1+ Io9ya0nOWZJlGaAMtRNWIOWh4J8qk+bBA8qNOXdWVlQd/WybjGGEpFb/bDycpUMsqB5kTeCqlHZNG v9gnltlbXzxZyMYddM7GGeOzJVKbiSGZrqp0kcEfHA5QzrcdVoP4QNXcpijzApk9UoIt/EtMfk+ee b1CZAKagvG84CD/eeVNA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxqmA-0001qj-TT; Wed, 14 Aug 2019 10:45:06 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxqm7-0001Oi-5B for linux-mediatek@lists.infradead.org; Wed, 14 Aug 2019 10:45:04 +0000 X-UUID: 844bf54889b441ed8cfe926f1278b3f2-20190814 X-UUID: 844bf54889b441ed8cfe926f1278b3f2-20190814 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1640119536; Wed, 14 Aug 2019 02:44:59 -0800 Received: from mtkmbs08n2.mediatek.inc (172.21.101.56) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:44:58 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:44:56 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:44:56 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 6/10] arm: dts: mt7623: add a property "num-pwms" for PWM node Date: Wed, 14 Aug 2019 18:43:36 +0800 Message-ID: <448f0a5ba4d98651195b6dc5850ac6426e5b511c.1548313019.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 257A5C90E661A8DA70835DF834DD090FF07CDD296098D7CBF5A40931C089EE4D2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034503_343237_9AB4750D X-CRM114-Status: UNSURE ( 8.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee This adds a property "num-pwms" for PWM controller. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih --- Changes since v2: use num-pwms instead of mediatek,num-pwms. --- arch/arm/boot/dts/mt7623.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi index 98f1159..68cbd36 100644 --- a/arch/arm/boot/dts/mt7623.dtsi +++ b/arch/arm/boot/dts/mt7623.dtsi @@ -443,6 +443,7 @@ <&pericfg CLK_PERI_PWM5>; clock-names = "top", "main", "pwm1", "pwm2", "pwm3", "pwm4", "pwm5"; + num-pwms = <5>; status = "disabled"; }; From patchwork Wed Aug 14 10:43:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093691 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6D5471395 for ; Wed, 14 Aug 2019 10:45:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 580AE2877F for ; Wed, 14 Aug 2019 10:45:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4CA3A287CD; Wed, 14 Aug 2019 10:45:06 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY 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 EF9EA2877F for ; Wed, 14 Aug 2019 10:45:05 +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=bofXodQcgcbAqe4oO+nKZrweQNkXM1zz8jD5R5v0pdM=; b=m65izWMJJtP0a8 XeDn8RU0bbV0ZfhpTAgK8iZtz1IOvW6gq83EwrH+MmMpJWkDRT9A8kIQhM1hK2DOlUoj8U7D0wWzp Yloo4xvbzLC6pxLufmMIKv3VD9yNMZcndUjrCraIlebHAmOpErJfKFoYrhVLYBMMdSR74EBwoWHYZ BZiN+F/au1rSX9a/RUb5RR/hF9gZb5inRmjB6JoHFzBhd7T8CBGBJJZeJRIi4hZhX0PmmIHH59bXy Iptdk3YZiaLV4mQN4lVheNBw8iLW1qgfmWhaiy6iQif+QVxww6NI0qHZjQE8h8skQ1RQClV12/blw xk4sj6c5jS4AAaQGS31g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxqm9-0001gt-Gb; Wed, 14 Aug 2019 10:45:05 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxqm6-0001I2-Ag for linux-mediatek@lists.infradead.org; Wed, 14 Aug 2019 10:45:03 +0000 X-UUID: bf1fc09aef3045a4a06c315aecf77582-20190814 X-UUID: bf1fc09aef3045a4a06c315aecf77582-20190814 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 934538979; Wed, 14 Aug 2019 02:44:59 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:44:59 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:44:57 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:44:57 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 7/10] dt-bindings: pwm: update bindings for MT7629 SoC Date: Wed, 14 Aug 2019 18:43:37 +0800 Message-ID: <0ae03abe4ff77c67c137d71185c89b1a88293365.1548313019.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034502_429353_83958574 X-CRM114-Status: UNSURE ( 9.47 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee This updates bindings for MT7629 pwm controller. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih Reviewed-by: Matthias Brugger --- Documentation/devicetree/bindings/pwm/pwm-mediatek.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt index ea95b49..c7bd563 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt @@ -6,6 +6,7 @@ Required properties: - "mediatek,mt7622-pwm": found on mt7622 SoC. - "mediatek,mt7623-pwm": found on mt7623 SoC. - "mediatek,mt7628-pwm": found on mt7628 SoC. + - "mediatek,mt7629-pwm", "mediatek,mt7622-pwm": found on mt7629 SoC. - reg: physical base address and length of the controller's registers. - #pwm-cells: must be 2. See pwm.txt in this directory for a description of the cell format. From patchwork Wed Aug 14 10:43:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093721 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B67A914F7 for ; Wed, 14 Aug 2019 10:46:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A16702877F for ; Wed, 14 Aug 2019 10:46:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 95FE4287C9; Wed, 14 Aug 2019 10:46:15 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY 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 3D9D32877F for ; Wed, 14 Aug 2019 10:46:15 +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=gMGy1Gz0cGIIpy8J4yWLCbxZmdIukdQ5JiX4isybaxA=; b=Is2U7rsv/vxjQj omV6+irOgpZ1/VtXB1OhJtzxy3nNHykQont17o5fQanCmp3vA2Cb5gLY/xHEyJt9FbJSxfyeWl+Gu vs7EQaK/7SpnP6wjvk5CjyjoPqIWmTGP+6QsYlxsyCsMiHLn9CW+HS7XREz33CC+V1vhBChySBuxp MrHjUva4sqQp6FQQ9g31QmiRU6hm1MaoXhlDf8rIb04BxsgliIgM8qa4ikn3C4McS1q9YZ+hgmemD TwLKVr+PpIhD92xBcZ1LN2Asvoxv2giHn0QEz+b5Sip7QyP+xH6VDo6rYtR5SswiL6amlamlHaXSj 7N2X3Ly27ER4vuQXNw0Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxqnG-0002vI-Vn; Wed, 14 Aug 2019 10:46:14 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxqnE-0002sN-A0 for linux-mediatek@lists.infradead.org; Wed, 14 Aug 2019 10:46:13 +0000 X-UUID: b047cc3c9f6c46d9892f889753627c07-20190814 X-UUID: b047cc3c9f6c46d9892f889753627c07-20190814 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 638765385; Wed, 14 Aug 2019 02:45:08 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:45:06 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:45:05 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:45:05 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 8/10] pwm: mediatek: add new property and fix mt7628 pwm Date: Wed, 14 Aug 2019 18:43:38 +0800 Message-ID: <1565779497-23621-1-git-send-email-sam.shih@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034612_351853_EED31CDF X-CRM114-Status: GOOD ( 13.16 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, sam shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: sam shih This fix mt7628 pwm during configure from userspace. The SoC is legacy MIPS and has no complex clock tree. This patch add property clock-frequency to the SoC specific data and legacy MIPS SoC need to configure it in DT. This property is use for period calculation. Signed-off-by: Sam Shih --- drivers/pwm/pwm-mediatek.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index d696df7a58fa..922a7543a2b1 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -53,6 +53,7 @@ struct pwm_mediatek_chip { struct clk *clk_top; struct clk *clk_main; struct clk **clk_pwms; + unsigned int clock_frequency; const struct pwm_mediatek_of_data *soc; }; @@ -139,7 +140,10 @@ static int pwm_mediatek_config(struct pwm_chip *chip, struct pwm_device *pwm, /* Using resolution in picosecond gets accuracy higher */ resolution = (u64)NSEC_PER_SEC * 1000; - do_div(resolution, clk_get_rate(clk)); + if (pc->soc->has_clks) + do_div(resolution, clk_get_rate(clk)); + else + do_div(resolution, pc->clock_frequency); cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, resolution); while (cnt_period > 8191) { @@ -216,6 +220,7 @@ static int pwm_mediatek_probe(struct platform_device *pdev) struct pwm_mediatek_chip *pc; struct resource *res; unsigned int npwms; + unsigned int clock_frequency; int ret; pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); @@ -265,6 +270,14 @@ static int pwm_mediatek_probe(struct platform_device *pdev) if (IS_ERR(pc->clk_pwms[i])) return PTR_ERR(pc->clk_pwms[i]); } + } else { + ret = of_property_read_u32(np, "clock-frequency", + &clock_frequency); + if (ret < 0) { + dev_err(&pdev->dev, "failed to get clock_frequency\n"); + return ret; + } + pc->clock_frequency = clock_frequency; } platform_set_drvdata(pdev, pc); From patchwork Wed Aug 14 10:43:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093695 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0624313AC for ; Wed, 14 Aug 2019 10:45:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E4C622877F for ; 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Wed, 14 Aug 2019 02:45:10 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:45:08 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:45:07 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:45:07 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 9/10] dt-bindings: pwm: update bindings for MT7628 SoC Date: Wed, 14 Aug 2019 18:43:39 +0800 Message-ID: <1565779497-23621-2-git-send-email-sam.shih@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034523_173791_DB8799A7 X-CRM114-Status: UNSURE ( 9.63 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, sam shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: sam shih This updates bindings for MT7628 pwm controller. Signed-off-by: Sam Shih --- .../devicetree/bindings/pwm/pwm-mediatek.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt index c7bd5633d1eb..9d2d893a07ff 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt @@ -21,6 +21,8 @@ Required properties: - pinctrl-0: One property must exist for each entry in pinctrl-names. See pinctrl/pinctrl-bindings.txt for details of the property values. - num-pwms: the number of PWM channels. + - clock-frequency: fix clock frequency, this is an optional property, only use in MT7628 SoC + for period calculation. This SoC has no complex clock tree. Example: pwm0: pwm@11006000 { @@ -40,3 +42,13 @@ Example: pinctrl-0 = <&pwm0_pins>; num-pwms = <5>; }; +MT7628 Example: + pwm: pwm@5000 { + compatible = "mediatek,mt7628-pwm"; + reg = <0x5000 0x1000>; + #pwm-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins>, <&pwm1_pins>; + num-pwms = <4>; + clock-frequency = <100000>; + }; From patchwork Wed Aug 14 10:43:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093717 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A1D5A14F7 for ; Wed, 14 Aug 2019 10:46:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B6FB2877F for ; Wed, 14 Aug 2019 10:46:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7F7EB287A1; Wed, 14 Aug 2019 10:46:14 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY 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 33116287CB for ; Wed, 14 Aug 2019 10:46:14 +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=ZEaIRrxTugozFGiJvPSZm6/AI37swbvIZbtP3TZvCB0=; b=ogz76nC4J31E98 kT37oZGaMoptONh/4m6tqPjWa1XiAZ86Cq6QG75injmiUadr9QFdz5L72NeEJBsDZkiZ+e4dVtRrF 47gyRdS9hIpKKeCOZBOJ4KQkAzsn4a4iL4HSXjSlkSm9Uel1tgzXrKIKHEdlnFKfUAWuOmej5KNrp UDs4kEG0hGb4czKNG2M0tb+GI8lZpSCLvN8BdzL/ViFP12JrWdoH+3Q+RuGzfzFumb8SBf/h4dkB6 QFCn1dXxYh6pwrzRedixNuYTax3FTGI3kX9R3Ei1Ygwhkfz7C4IzorcbUe9x3VCuRtpD9Ux98dANE Xdp7gUtI61h3Fad6Wj4A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxqnF-0002ta-Vz; Wed, 14 Aug 2019 10:46:13 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxqnD-0002sN-22 for linux-mediatek@lists.infradead.org; Wed, 14 Aug 2019 10:46:12 +0000 X-UUID: 21c1d0a1902d481b87bb282885f09f47-20190814 X-UUID: 21c1d0a1902d481b87bb282885f09f47-20190814 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 2093086122; Wed, 14 Aug 2019 02:45:13 -0800 Received: from mtkmbs08n2.mediatek.inc (172.21.101.56) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:45:12 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:45:10 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:45:10 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 10/10] arm: dts: mediatek: add mt7629 pwm support Date: Wed, 14 Aug 2019 18:43:40 +0800 Message-ID: <1565779497-23621-3-git-send-email-sam.shih@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 27BF008E58CB4D2053A06CEEFA952E5DF09D949F53CD1AA2DC22F59B95EF6DA62000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034611_100522_C6D2258D X-CRM114-Status: UNSURE ( 9.74 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, sam shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: sam shih This adds pwm support for MT7629. Signed-off-by: Sam Shih --- arch/arm/boot/dts/mt7629.dtsi | 14 ++++++++++++++ drivers/pwm/pwm-mediatek.c | 7 +++++++ 2 files changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/mt7629.dtsi b/arch/arm/boot/dts/mt7629.dtsi index 9608bc2ccb3f..352df8d61788 100644 --- a/arch/arm/boot/dts/mt7629.dtsi +++ b/arch/arm/boot/dts/mt7629.dtsi @@ -241,6 +241,18 @@ status = "disabled"; }; + pwm: pwm@11006000 { + compatible = "mediatek,mt7629-pwm"; + reg = <0 0x11006000 0 0x1000>; + interrupts = ; + clocks = <&topckgen CLK_TOP_PWM_SEL>, + <&pericfg CLK_PERI_PWM_PD>, + <&pericfg CLK_PERI_PWM1_PD>; + clock-names = "top", "main", "pwm1"; + num-pwms = <1>; + status = "disabled"; + }; + i2c: i2c@11007000 { compatible = "mediatek,mt7629-i2c", "mediatek,mt2712-i2c"; diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index 922a7543a2b1..d2352ca7792e 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -327,11 +327,18 @@ static const struct pwm_mediatek_of_data mt7628_pwm_data = { .has_clks = false, }; +static const struct pwm_mediatek_of_data mt7629_pwm_data = { + .fallback_npwms = 1, + .pwm45_fixup = false, + .has_clks = true, +}; + static const struct of_device_id pwm_mediatek_of_match[] = { { .compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data }, { .compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data }, { .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data }, { .compatible = "mediatek,mt7628-pwm", .data = &mt7628_pwm_data }, + { .compatible = "mediatek,mt7629-pwm", .data = &mt7629_pwm_data }, { }, }; MODULE_DEVICE_TABLE(of, pwm_mediatek_of_match);