From patchwork Tue Jul 17 21:59:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10530815 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5B4516020A for ; Tue, 17 Jul 2018 22:00:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 49C0129254 for ; Tue, 17 Jul 2018 22:00:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3DD1929268; Tue, 17 Jul 2018 22:00:23 +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=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BB9F429254 for ; Tue, 17 Jul 2018 22:00:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730480AbeGQWfB (ORCPT ); Tue, 17 Jul 2018 18:35:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:44598 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730249AbeGQWfB (ORCPT ); Tue, 17 Jul 2018 18:35:01 -0400 Received: from ziggy.de (144.pool85-56-49.dynamic.orange.es [85.56.49.144]) (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 70D6C20839; Tue, 17 Jul 2018 22:00:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1531864821; bh=U0ilIxN8f7Iu4VX226MDd/I68fU+92CDuDprBIA7res=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vBAVjyORFFQMawttVv3rgLWSF1uYsOBTytLRAR+N4iHjs2SUeCAINgKMgjPsky+FF woQwQLnmfnaN8xeQKNAGitVoXcsmclE0Dl/K5mQ0xgzLrKBfWGGBdeQuRvdsSrcx85 m6NouAJVX5pj89+wZSPCc3oa9CCY7YhX6D8uI47A= From: matthias.bgg@kernel.org To: laurent.pinchart@ideasonboard.com, ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie, robh+dt@kernel.org, mark.rutland@arm.com, mturquette@baylibre.com, sboyd@codeaurora.org, lee.jones@linaro.org Cc: davem@davemloft.net, gregkh@linuxfoundation.org, mchehab@kernel.org, rdunlap@infradead.org, pi-cheng.chen@linaro.org, sean.wang@mediatek.com, linux-clk@vger.kernel.org, linux@armlinux.org.uk, matthias.bgg@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Matthias Brugger Subject: [PATCH v4--to=ulrich.hecht+renesas@gmail.com 3/5] clk: mediatek: mt8173: switch mmsys to platform device probing Date: Tue, 17 Jul 2018 23:59:49 +0200 Message-Id: <20180717215951.378-4-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180717215951.378-1-matthias.bgg@kernel.org> References: <20180717215951.378-1-matthias.bgg@kernel.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.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) {