From nobody Thu Nov 14 07:02:31 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 DDEB1C05027 for ; Mon, 6 Feb 2023 10:02:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230164AbjBFKCj (ORCPT ); Mon, 6 Feb 2023 05:02:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230088AbjBFKBY (ORCPT ); Mon, 6 Feb 2023 05:01:24 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7ADAC662; Mon, 6 Feb 2023 02:01:22 -0800 (PST) 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 BC32B6602FFB; Mon, 6 Feb 2023 10:01:19 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1675677680; bh=O9l7AXT6I2WTwPtME3QSuSOtjzvUE4GewDtvfo0rC5s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MrcMxF94FOzJ2hE8UwccKvTxhsblh8EV7Q1Out1MFm2ZqKPYJvZdHLQpnZz/cp3q9 oZmVCj7I+6D9G9Q/ltnHN/Z2U33SQ/taFfoJfCYqrbrOFhUbV5ArhWu0RZX3uBesLO SmL1e0MOSkVBMmotPWXDVoWAZuJt4AuB3lSbbpJNyXmzPy8F8ln0LDzEZMP+GCOlCt Idrw+NILqUibNSDyV2T9KEUopKcJz2baysaPP7YjgiXBYwqU0HjfMWc77wTOn1YAFD 0skqzH+FFOnrBJcXwzt7ILDC1GEpbyWbc2rpdlKNKefcOGwrYskNxKO6e1DpsYXjvj m4o8ZYd1tO9MA== From: AngeloGioacchino Del Regno To: sboyd@kernel.org Cc: mturquette@baylibre.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, edward-jw.yang@mediatek.com, johnson.wang@mediatek.com, wenst@chromium.org, miles.chen@mediatek.com, chun-jie.chen@mediatek.com, rex-bc.chen@mediatek.com, jose.exposito89@gmail.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com Subject: [PATCH v3 5/7] clk: mediatek: mt8173: Add support for frequency hopping through FHCTL Date: Mon, 6 Feb 2023 11:01:03 +0100 Message-Id: <20230206100105.861720-6-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230206100105.861720-1-angelogioacchino.delregno@collabora.com> References: <20230206100105.861720-1-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" Add FHCTL parameters and register PLLs through FHCTL to add support for frequency hopping and SSC. FHCTL will be enabled only on PLLs specified in devicetree. This commit brings functional changes only upon addition of devicetree configuration. Signed-off-by: AngeloGioacchino Del Regno --- drivers/clk/mediatek/clk-mt8173-apmixedsys.c | 65 +++++++++++++++++++- 1 file changed, 62 insertions(+), 3 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c b/drivers/clk/med= iatek/clk-mt8173-apmixedsys.c index a56c5845d07a..0084203e67ad 100644 --- a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c +++ b/drivers/clk/mediatek/clk-mt8173-apmixedsys.c @@ -9,8 +9,10 @@ #include #include #include +#include "clk-fhctl.h" #include "clk-mtk.h" #include "clk-pll.h" +#include "clk-pllfh.h" =20 #define REGOFF_REF2USB 0x8 #define REGOFF_HDMI_REF 0x40 @@ -77,6 +79,58 @@ static const struct mtk_pll_data plls[] =3D { PLL(CLK_APMIXED_MSDCPLL2, "msdcpll2", 0x2f0, 0x2fc, 0, 0, 21, 0x2f0, 4, 0= x0, 0x2f4, 0), }; =20 +enum fh_pll_id { + FH_ARMCA7PLL, + FH_ARMCA15PLL, + FH_MAINPLL, + FH_MPLL, + FH_MSDCPLL, + FH_MMPLL, + FH_VENCPLL, + FH_TVDPLL, + FH_VCODECPLL, + FH_LVDSPLL, + FH_MSDC2PLL, + FH_NR_FH, +}; + +#define FH(_pllid, _fhid, _offset) { \ + .data =3D { \ + .pll_id =3D _pllid, \ + .fh_id =3D _fhid, \ + .fh_ver =3D FHCTL_PLLFH_V1, \ + .fhx_offset =3D _offset, \ + .dds_mask =3D GENMASK(21, 0), \ + .slope0_value =3D 0x6003c97, \ + .slope1_value =3D 0x6003c97, \ + .sfstrx_en =3D BIT(2), \ + .frddsx_en =3D BIT(1), \ + .fhctlx_en =3D BIT(0), \ + .tgl_org =3D BIT(31), \ + .dvfs_tri =3D BIT(31), \ + .pcwchg =3D BIT(31), \ + .dt_val =3D 0x0, \ + .df_val =3D 0x9, \ + .updnlmt_shft =3D 16, \ + .msk_frddsx_dys =3D GENMASK(23, 20), \ + .msk_frddsx_dts =3D GENMASK(19, 16), \ + }, \ + } + +static struct mtk_pllfh_data pllfhs[] =3D { + FH(CLK_APMIXED_ARMCA7PLL, FH_ARMCA7PLL, 0x38), + FH(CLK_APMIXED_ARMCA15PLL, FH_ARMCA15PLL, 0x4c), + FH(CLK_APMIXED_MAINPLL, FH_MAINPLL, 0x60), + FH(CLK_APMIXED_MPLL, FH_MPLL, 0x74), + FH(CLK_APMIXED_MSDCPLL, FH_MSDCPLL, 0x88), + FH(CLK_APMIXED_MMPLL, FH_MMPLL, 0x9c), + FH(CLK_APMIXED_VENCPLL, FH_VENCPLL, 0xb0), + FH(CLK_APMIXED_TVDPLL, FH_TVDPLL, 0xc4), + FH(CLK_APMIXED_VCODECPLL, FH_VCODECPLL, 0xd8), + FH(CLK_APMIXED_LVDSPLL, FH_LVDSPLL, 0xec), + FH(CLK_APMIXED_MSDCPLL2, FH_MSDC2PLL, 0x100), +}; + static const struct of_device_id of_match_clk_mt8173_apmixed[] =3D { { .compatible =3D "mediatek,mt8173-apmixedsys" }, { /* sentinel */ } @@ -84,6 +138,7 @@ static const struct of_device_id of_match_clk_mt8173_apm= ixed[] =3D { =20 static int clk_mt8173_apmixed_probe(struct platform_device *pdev) { + const u8 *fhctl_node =3D "mediatek,mt8173-fhctl"; struct device_node *node =3D pdev->dev.of_node; struct clk_hw_onecell_data *clk_data; void __iomem *base; @@ -98,7 +153,9 @@ static int clk_mt8173_apmixed_probe(struct platform_devi= ce *pdev) if (IS_ERR_OR_NULL(clk_data)) return -ENOMEM; =20 - r =3D mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); + fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs)); + r =3D mtk_clk_register_pllfhs(node, plls, ARRAY_SIZE(plls), + pllfhs, ARRAY_SIZE(pllfhs), clk_data); if (r) goto free_clk_data; =20 @@ -124,7 +181,8 @@ static int clk_mt8173_apmixed_probe(struct platform_dev= ice *pdev) unregister_ref2usb: mtk_clk_unregister_ref2usb_tx(clk_data->hws[CLK_APMIXED_REF2USB_TX]); unregister_plls: - mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); + mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs, + ARRAY_SIZE(pllfhs), clk_data); free_clk_data: mtk_free_clk_data(clk_data); return r; @@ -137,7 +195,8 @@ static int clk_mt8173_apmixed_remove(struct platform_de= vice *pdev) =20 of_clk_del_provider(node); mtk_clk_unregister_ref2usb_tx(clk_data->hws[CLK_APMIXED_REF2USB_TX]); - mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); + mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs, + ARRAY_SIZE(pllfhs), clk_data); mtk_free_clk_data(clk_data); =20 return 0; --=20 2.39.1