From nobody Sat Sep 21 14:35:09 2024 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 50BF0C38A2D for ; Mon, 24 Oct 2022 10:24:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230218AbiJXKYJ (ORCPT ); Mon, 24 Oct 2022 06:24:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230077AbiJXKXi (ORCPT ); Mon, 24 Oct 2022 06:23:38 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BCAA5A17A; Mon, 24 Oct 2022 03:23:37 -0700 (PDT) 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 46435660282A; Mon, 24 Oct 2022 11:23:35 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1666607016; bh=OaQQU68d+mZ/y3nMS8j/flqN6YzM2nFoIK5HdQQzj2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MRrKMkiYp1k47+EikQmkpcDPo7tWaNomrGUGzd6jDPvV0gt0NT6RypOVrEeJI40Lw /4341jLzRNyukSrPxBFAOS+N8peIE9Dg22dAQlIqBleeU62k3lwPIIBlBRFlBlMH4c 7laxjJj1pcCFsL1uF/5ByXPp6vcVP11iWS8E9C+eNk94BTaXV4LrEx9jcn9wVKQP+z wlk4kXEoF2M6w1LGZnSChq+kIV5MIhik61ONVsONdXyyrjpSmSRPzs7xJ8bdTvJXyl rz10IeFhHJ88bTC7S/IH1hVNJN+ZyORtPRAaCoFObwVw1y/CvChmAT2ll80IoOeA5P A5+UDGYXybUTg== From: AngeloGioacchino Del Regno To: sboyd@kernel.org Cc: mturquette@baylibre.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, wenst@chromium.org, miles.chen@mediatek.com, nfraprado@collabora.com, rex-bc.chen@mediatek.com, chun-jie.chen@mediatek.com, jose.exposito89@gmail.com, yangyingliang@huawei.com, msp@baylibre.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 10/10] clk: mediatek: mt8186-topckgen: Add GPU clock mux notifier Date: Mon, 24 Oct 2022 12:23:07 +0200 Message-Id: <20221024102307.33722-11-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221024102307.33722-1-angelogioacchino.delregno@collabora.com> References: <20221024102307.33722-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Following the changes done to MT8183, MT8192, MT8195, register a clock notifier for MT8186, allowing safe clockrate updates for the MFG PLL. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mt8186-topckgen.c | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/clk/mediatek/clk-mt8186-topckgen.c b/drivers/clk/media= tek/clk-mt8186-topckgen.c index 62b5ff4a5723..c2beda7ef976 100644 --- a/drivers/clk/mediatek/clk-mt8186-topckgen.c +++ b/drivers/clk/mediatek/clk-mt8186-topckgen.c @@ -689,6 +689,28 @@ static const struct of_device_id of_match_clk_mt8186_t= opck[] =3D { {} }; =20 +/* Register mux notifier for MFG mux */ +static int clk_mt8186_reg_mfg_mux_notifier(struct device *dev, struct clk = *clk) +{ + struct mtk_mux_nb *mfg_mux_nb; + int i; + + mfg_mux_nb =3D devm_kzalloc(dev, sizeof(*mfg_mux_nb), GFP_KERNEL); + if (!mfg_mux_nb) + return -ENOMEM; + + for (i =3D 0; i < ARRAY_SIZE(top_mtk_muxes); i++) + if (top_mtk_muxes[i].id =3D=3D CLK_TOP_MFG) + break; + if (i =3D=3D ARRAY_SIZE(top_mtk_muxes)) + return -EINVAL; + + mfg_mux_nb->ops =3D top_mtk_muxes[i].ops; + mfg_mux_nb->bypass_index =3D 0; /* Bypass to 26M crystal */ + + return devm_mtk_clk_mux_notifier_register(dev, clk, mfg_mux_nb); +} + static int clk_mt8186_topck_probe(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -730,6 +752,11 @@ static int clk_mt8186_topck_probe(struct platform_devi= ce *pdev) if (r) goto unregister_composite_muxes; =20 + r =3D clk_mt8186_reg_mfg_mux_notifier(&pdev->dev, + clk_data->hws[CLK_TOP_MFG]->clk); + if (r) + goto unregister_composite_divs; + r =3D of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) goto unregister_composite_divs; --=20 2.37.2