From patchwork Fri Nov 16 12:54:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10686343 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 60ABE14D6 for ; Fri, 16 Nov 2018 13:07:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4CEF42CD36 for ; Fri, 16 Nov 2018 13:07:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 40EC42CE25; Fri, 16 Nov 2018 13:07:32 +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=-3.6 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW autolearn=unavailable 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 D29462CD36 for ; Fri, 16 Nov 2018 13:07:31 +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=zJeosvkVsMVzNp1djXw7cL2x3aE8mnk2SFEfty0dSPU=; b=FFPNwi4qJJjOdm DbIRNTF6JQplhH8UJmYSADMNzKa2ChK+wRdIKUEQJqpyeNtnHkoE0mbkR8uOYZZO+83c/88RYM3mN wP68DN++P/zMtlwpZFELAnUGuWLQsm7hvupRq9OMHaAIf/6hM87nbL471GPwICB0L3XfDyE0zvVYQ mn+2fBNa+QDl/J7RbwlKBvQyeJFWwoo5BlTg+iYUriEzB1ntaYQIIlDYNb0tmJYjMZU5FQkqlFt3+ 1ntin0e+Dk7ZEQnER2xNCyRZurjWEmJ8jvZ+FJqD6dFaqNnQoqZZ2wpnouw5KPSPpsygv7xL5Q9DF RMfHyrSpuQoHBnc+roHg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gNdqA-0004Dy-0Y; Fri, 16 Nov 2018 13:07:18 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gNdpe-0002zS-Su; Fri, 16 Nov 2018 13:06:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=p1JXbiyMV8QEBZfNCCOCJZXZBIv5a4/r1hWyIOd1bwI=; b=e2v4u9lVGY6Y4rzld3twm3/jff gjz7O7aaiYL5S36LbjjYHoP54PlGlzKDjmkHlumD1luen7kUj+xW0ohYRWMyORaas5KANaXstTTaL iIdF3+8wmliFJefJvCQIfLlyqYKOA4c0oj6tY2z/RKDdQVvA4oN6N+U0oEopfoDXmh/bMydsYCaDR 3m8/8iV4MVm2ce3AeLfCzv8n50T/4KTzPWDV8ks1KGvopzafbFAwEoyQqvkYd0MzK+UAv+rZVapFF foimYOINk6/8Pgipn196s2JIUZU2nYruX7mB+080iXW0foH8pMqP0khSuFmEkY9y8Bexsad5BP5vi yjZ3iLxg==; Received: from mail.kernel.org ([198.145.29.99]) by casper.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gNdf5-00023w-OD; Fri, 16 Nov 2018 12:55:55 +0000 Received: from ziggy.de (unknown [93.176.133.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AEF0C208E7; Fri, 16 Nov 2018 12:55:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542372940; bh=J2OCMnIzgBP1xvJrW/wc62tgqU2n8Ltez8hvwJRyV7g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TcSRYdkn1JBa5TvCekARCRnLoINIPuj6B4Cxb1GqqfupwoKz3wlUxn4X/fEGs8heS RQEKsoNFMx5LOAHczD2K2Ahtjd1IrZhoiiSlc6mXE3LDipmSWu1K/s94WtVHqyCVQ/ MZ0X6r1qXIt4IlFkl+iqwDi6Ac1MSahMt62v+Ohk= From: matthias.bgg@kernel.org To: robh+dt@kernel.org, mark.rutland@arm.com, ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie, mturquette@baylibre.com, sboyd@codeaurora.org, ulrich.hecht+renesas@gmail.com, laurent.pinchart@ideasonboard.com, matthias.bgg@gmail.com Subject: [PATCH v5 03/12] clk: mediatek: mt8173: switch mmsys to platform device probing Date: Fri, 16 Nov 2018 13:54:40 +0100 Message-Id: <20181116125449.23581-4-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181116125449.23581-1-matthias.bgg@kernel.org> References: <20181116125449.23581-1-matthias.bgg@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181116_125552_075430_531F4B4E X-CRM114-Status: GOOD ( 16.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, rdunlap@infradead.org, sean.wang@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, sean.wang@kernel.org, wens@csie.org, Matthias Brugger , linux-mediatek@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matthias Brugger Switch probing for the MMSYS to support invocation to a plain paltform device. The driver will be probed by the DRM subsystem. Signed-off-by: Matthias Brugger --- drivers/clk/mediatek/clk-mt8173.c | 51 ++++++++++++++++++++++++++----- 1 file changed, 44 insertions(+), 7 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 96c292c3e440..10b6a0251123 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -13,8 +13,11 @@ */ #include +#include #include #include +#include +#include #include "clk-mtk.h" #include "clk-gate.h" @@ -791,7 +794,7 @@ static const struct mtk_gate_regs mm1_cg_regs __initconst = { .ops = &mtk_clk_gate_ops_setclr, \ } -static const struct mtk_gate mm_clks[] __initconst = { +static const struct mtk_gate mm_clks[] = { /* MM0 */ GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0), GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1), @@ -1152,22 +1155,56 @@ static void __init mtk_imgsys_init(struct device_node *node) } CLK_OF_DECLARE(mtk_imgsys, "mediatek,mt8173-imgsys", mtk_imgsys_init); -static void __init mtk_mmsys_init(struct device_node *node) -{ +struct mtk_mmsys_priv { struct clk_onecell_data *clk_data; +}; + +static int mtk_mmsys_probe(struct platform_device *pdev) +{ int r; + struct device_node *node; + struct mtk_mmsys_priv *private; + + node = pdev->dev.parent->of_node; - clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); + private = devm_kzalloc(&pdev->dev, sizeof(*private), GFP_KERNEL); + if (!private) + return -ENOMEM; + + private->clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); + + platform_set_drvdata(pdev, private); mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks), - clk_data); + private->clk_data); - r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + r = of_clk_add_provider(node, of_clk_src_onecell_get, + private->clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); + + return r; +} + +static int mtk_mmsys_remove(struct platform_device *pdev) +{ + struct mtk_mmsys_priv *private = platform_get_drvdata(pdev); + + kfree(private->clk_data); + kfree(private); + + return 0; } -CLK_OF_DECLARE(mtk_mmsys, "mediatek,mt8173-mmsys", mtk_mmsys_init); + +static struct platform_driver clk_mt8173_mm_drv = { + .probe = mtk_mmsys_probe, + .probe = mtk_mmsys_remove, + .driver = { + .name = "clk-mt8173-mm", + }, +}; +module_platform_driver(clk_mt8173_mm_drv); static void __init mtk_vdecsys_init(struct device_node *node) {