From patchwork Wed Feb 22 09:25:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13148937 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 5C429C61DA4 for ; Wed, 22 Feb 2023 09:49:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jc3h90vgchjWnP75T66MBb0xi3cWw10x5G09byQUvyc=; b=XPnUZlFMTiEB2WEtCGs31ivzqu mQHhyrIXwg/e20HuQ6VBV5WxGaoFE3GKqo1Dzg0tMPfYVWiv6o+rPHjDz6YuSlm7TtZngurSICYLg ZF24iYoX/xlKL7Dsnm1fj0baMavqb/1pHATNUe2Jz+0qxMQzB1PiDfUAEMPefyx9JGcr1K9MFU2/K fwj0WrVIHY1TOmotS5VeYy8qjQvSmrITYWiKOj/p/6WDa+6o9OUOMlmj9X86Z5W7L1pooJUSbxQhL EPKBXpY20UNcH8iEwf79mwlMoNtqiMpxVBtKLUBHAfJl08MZpMGixP0k3l2Y64wbUMR6Q90Rbmw5C joKfjuoA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pUlk5-00BbaU-EL; Wed, 22 Feb 2023 09:48:53 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pUlOS-00BQ2W-N7; Wed, 22 Feb 2023 09:26:34 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 5606666021A4; Wed, 22 Feb 2023 09:26:30 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677057991; bh=54rtohhxjUnNg94k+D4u+zNWfirVgEZ8FSiv7Qj0vAQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h0cEe0xeK9Bwl1UxQ49oplQYjsuA+TBhIgZnglhk8NsVz+00KmG8XwUfPOhuoWt54 2qMDJ5dQakIWx/RHevXUNHYFPvW7Dapy5kerwAUIfVp4aex2RHqxp5KHmjKNOKUmeS trNimCCWcL3vD1PoNnY+aXr6a+1QV3Mo+PwMy1nNzg/XphNWRkVoR26tb6k/72sudx 3LtryrRGMyLT79zqswVcY1IToioRga5b7LKu8a+5FoIoS4/gXmegYvSmErpkuHqyAF TEUxRgYW0M/r+RFFZvV/6FMmJNE7TujJbwP0NOJm/neeODhGtOstGnA7+LgNbQ4G/9 P5/B6Ce7VqtDQ== From: AngeloGioacchino Del Regno To: mturquette@baylibre.com Cc: sboyd@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, wenst@chromium.org, johnson.wang@mediatek.com, miles.chen@mediatek.com, chun-jie.chen@mediatek.com, daniel@makrotopia.org, fparent@baylibre.com, msp@baylibre.com, nfraprado@collabora.com, rex-bc.chen@mediatek.com, zhaojh329@gmail.com, sam.shih@mediatek.com, edward-jw.yang@mediatek.com, yangyingliang@huawei.com, granquet@baylibre.com, pablo.sun@mediatek.com, sean.wang@mediatek.com, chen.zhong@mediatek.com, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v5 27/54] clk: mediatek: mt7622: Convert to platform driver and simple probe Date: Wed, 22 Feb 2023 10:25:16 +0100 Message-Id: <20230222092543.19187-28-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230222092543.19187-1-angelogioacchino.delregno@collabora.com> References: <20230222092543.19187-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230222_012633_064552_3A6240B8 X-CRM114-Status: GOOD ( 13.72 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Convert the MT7622 topckgen and pericfg clock drivers to platform drivers and use the simple probe mechanism. This also allows to build these clocks as modules. Thanks to the conversion, more error handling was added to the clocks registration. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mt7622.c | 125 ++++++++---------------------- 1 file changed, 31 insertions(+), 94 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index fb813f8d3a7d..7a002b73fcaa 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -490,107 +490,44 @@ static const struct mtk_clk_rst_desc clk_rst_desc = { .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), }; -static int mtk_topckgen_init(struct platform_device *pdev) -{ - struct clk_hw_onecell_data *clk_data; - void __iomem *base; - struct device_node *node = pdev->dev.of_node; - - base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(base)) - return PTR_ERR(base); - - clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); - - mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), - clk_data); - - mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), - clk_data); - - mtk_clk_register_composites(&pdev->dev, top_muxes, - ARRAY_SIZE(top_muxes), base, - &mt7622_clk_lock, clk_data); - - mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs), - base, &mt7622_clk_lock, clk_data); - - mtk_clk_register_gates(&pdev->dev, node, top_clks, - ARRAY_SIZE(top_clks), clk_data); - - return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); -} - -static int mtk_pericfg_init(struct platform_device *pdev) -{ - struct clk_hw_onecell_data *clk_data; - void __iomem *base; - int r; - struct device_node *node = pdev->dev.of_node; - - base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(base)) - return PTR_ERR(base); - - clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK); - - mtk_clk_register_gates(&pdev->dev, node, peri_clks, - ARRAY_SIZE(peri_clks), clk_data); - - mtk_clk_register_composites(&pdev->dev, peri_muxes, - ARRAY_SIZE(peri_muxes), base, - &mt7622_clk_lock, clk_data); - - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); - if (r) - return r; - - mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); - - return 0; -} +static const struct mtk_clk_desc topck_desc = { + .clks = top_clks, + .num_clks = ARRAY_SIZE(top_clks), + .fixed_clks = top_fixed_clks, + .num_fixed_clks = ARRAY_SIZE(top_fixed_clks), + .factor_clks = top_divs, + .num_factor_clks = ARRAY_SIZE(top_divs), + .composite_clks = top_muxes, + .num_composite_clks = ARRAY_SIZE(top_muxes), + .divider_clks = top_adj_divs, + .num_divider_clks = ARRAY_SIZE(top_adj_divs), + .clk_lock = &mt7622_clk_lock, +}; + +static const struct mtk_clk_desc peri_desc = { + .clks = peri_clks, + .num_clks = ARRAY_SIZE(peri_clks), + .composite_clks = peri_muxes, + .num_composite_clks = ARRAY_SIZE(peri_muxes), + .rst_desc = &clk_rst_desc, + .clk_lock = &mt7622_clk_lock, +}; static const struct of_device_id of_match_clk_mt7622[] = { - { - .compatible = "mediatek,mt7622-topckgen", - .data = mtk_topckgen_init, - }, { - .compatible = "mediatek,mt7622-pericfg", - .data = mtk_pericfg_init, - }, { - /* sentinel */ - } -}; - -static int clk_mt7622_probe(struct platform_device *pdev) -{ - int (*clk_init)(struct platform_device *); - int r; - - clk_init = of_device_get_match_data(&pdev->dev); - if (!clk_init) - return -EINVAL; - - r = clk_init(pdev); - if (r) - dev_err(&pdev->dev, - "could not register clock provider: %s: %d\n", - pdev->name, r); - - return r; -} + { .compatible = "mediatek,mt7622-topckgen", .data = &topck_desc }, + { .compatible = "mediatek,mt7622-pericfg", .data = &peri_desc }, + { /* sentinel */ } +}; static struct platform_driver clk_mt7622_drv = { - .probe = clk_mt7622_probe, .driver = { .name = "clk-mt7622", .of_match_table = of_match_clk_mt7622, }, + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, }; +module_platform_driver(clk_mt7622_drv) -static int clk_mt7622_init(void) -{ - return platform_driver_register(&clk_mt7622_drv); -} - -arch_initcall(clk_mt7622_init); +MODULE_DESCRIPTION("MediaTek MT7622 clocks driver"); +MODULE_LICENSE("GPL");