From nobody Thu Oct 2 15:35:40 2025 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54C5D36CE02; Mon, 15 Sep 2025 15:21:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757949717; cv=none; b=d8jWUnsdXWMy5y2z7e0VdGk6ctNU8hqSOikTgUTfpH/xf3oWUyzTkl55ayJqz4q6Y1roGo3n03YjNSY19omvnotM1HPMKkecULPlR+9rDNv8RvFTi2M8T2UIj/t5GfaDcT8/r0uX+JzOxSnzIgW1hQdj77/yTay3gCXo65U0CBU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757949717; c=relaxed/simple; bh=mbEn7qxFPq/Gt41pYyCZj092+cddfkG+ufDNYE33Yec=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=uYVJJV58E7Hb5/Nzr3r9Epnuk0wvz6CIt1u1Guq2xD9enxfFimWHWNuKxW5wWWvvRS+X40mWS3EX4PkJYntFr6qZT/ULmNjrXVn9He1v5XGWH3NfcTyET14O/Z/PdG8OjzDExETyUrsMaG64A3ajtbRKhI6a5q+WxXQ7CClsiZE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=RTjclLeM; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="RTjclLeM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1757949713; bh=mbEn7qxFPq/Gt41pYyCZj092+cddfkG+ufDNYE33Yec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RTjclLeMEFS+qeK5EJGQsDA5qT29y0piX02PJd9RZwQYtoMkfY2IPQFavYSrpdMTw RVP3hotOnNLKszLuzsQvZDmUGLluSq5vnodrLZm/kqsVoP81H7S2EW931i2AjKuGbO LQL6phQAkXxX3YT81XXqSYRgSOvi6szJ580fz8rqRdgjMqf5LpsLutGvQ7OKqqQVcY 33lQ0pJCQbgH+PYyD8UMuUEayfF5pQwcmeSYLL/QeFf2ISB3vBhltLxN3EfapIy/Mx xG/g2WcRGlcuLui2rFlOfdu6IsC4b4a64kXvNYLClUah7K19goIBPVmi+dF8bsKk7N 2QUnpGjByfexA== Received: from laura.lan (unknown [IPv6:2001:b07:646b:e2:1c8d:f5ba:823d:730b]) (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: laura.nao) by bali.collaboradmins.com (Postfix) with ESMTPSA id C59C117E090D; Mon, 15 Sep 2025 17:21:52 +0200 (CEST) From: Laura Nao To: mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, p.zabel@pengutronix.de, richardcochran@gmail.com Cc: guangjie.song@mediatek.com, wenst@chromium.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, kernel@collabora.com, Laura Nao , =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= Subject: [PATCH v6 26/27] clk: mediatek: Add MT8196 vdecsys clock support Date: Mon, 15 Sep 2025 17:19:46 +0200 Message-Id: <20250915151947.277983-27-laura.nao@collabora.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250915151947.277983-1-laura.nao@collabora.com> References: <20250915151947.277983-1-laura.nao@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Add support for the MT8196 vdecsys clock controller, which provides clock gate control for the video decoder. Reviewed-by: N=C3=ADcolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Laura Nao --- drivers/clk/mediatek/Kconfig | 7 + drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8196-vdec.c | 253 +++++++++++++++++++++++++ 3 files changed, 261 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8196-vdec.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 77e18bceae91..939d7d27c0c8 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -1059,6 +1059,13 @@ config COMMON_CLK_MT8196_UFSSYS help This driver supports MediaTek MT8196 ufssys clocks. =20 +config COMMON_CLK_MT8196_VDECSYS + tristate "Clock driver for MediaTek MT8196 vdecsys" + depends on COMMON_CLK_MT8196 + default m + help + This driver supports MediaTek MT8196 vdecsys clocks. + config COMMON_CLK_MT8365 tristate "Clock driver for MediaTek MT8365" depends on ARCH_MEDIATEK || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index f3afd34311c8..131582b12783 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -161,6 +161,7 @@ obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) +=3D clk-mt8196-d= isp0.o clk-mt8196-disp1.o c clk-mt8196-ovl0.o clk-mt8196-ovl1.o obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) +=3D clk-mt8196-pextp.o obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) +=3D clk-mt8196-ufs_ao.o +obj-$(CONFIG_COMMON_CLK_MT8196_VDECSYS) +=3D clk-mt8196-vdec.o obj-$(CONFIG_COMMON_CLK_MT8365) +=3D clk-mt8365-apmixedsys.o clk-mt8365.o obj-$(CONFIG_COMMON_CLK_MT8365_APU) +=3D clk-mt8365-apu.o obj-$(CONFIG_COMMON_CLK_MT8365_CAM) +=3D clk-mt8365-cam.o diff --git a/drivers/clk/mediatek/clk-mt8196-vdec.c b/drivers/clk/mediatek/= clk-mt8196-vdec.c new file mode 100644 index 000000000000..f8dcd84a2b58 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-vdec.c @@ -0,0 +1,253 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2025 MediaTek Inc. + * Guangjie Song + * Copyright (c) 2025 Collabora Ltd. + * Laura Nao + */ +#include + +#include +#include +#include +#include + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs vde20_cg_regs =3D { + .set_ofs =3D 0x0, + .clr_ofs =3D 0x4, + .sta_ofs =3D 0x0, +}; + +static const struct mtk_gate_regs vde20_hwv_regs =3D { + .set_ofs =3D 0x0088, + .clr_ofs =3D 0x008c, + .sta_ofs =3D 0x2c44, +}; + +static const struct mtk_gate_regs vde21_cg_regs =3D { + .set_ofs =3D 0x200, + .clr_ofs =3D 0x204, + .sta_ofs =3D 0x200, +}; + +static const struct mtk_gate_regs vde21_hwv_regs =3D { + .set_ofs =3D 0x0080, + .clr_ofs =3D 0x0084, + .sta_ofs =3D 0x2c40, +}; + +static const struct mtk_gate_regs vde22_cg_regs =3D { + .set_ofs =3D 0x8, + .clr_ofs =3D 0xc, + .sta_ofs =3D 0x8, +}; + +static const struct mtk_gate_regs vde22_hwv_regs =3D { + .set_ofs =3D 0x0078, + .clr_ofs =3D 0x007c, + .sta_ofs =3D 0x2c3c, +}; + +#define GATE_HWV_VDE20(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde20_cg_regs, \ + .hwv_regs =3D &vde20_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VDE21(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde21_cg_regs, \ + .hwv_regs =3D &vde21_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VDE22(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde22_cg_regs, \ + .hwv_regs =3D &vde22_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags =3D CLK_OPS_PARENT_ENABLE | \ + CLK_IGNORE_UNUSED, \ + } + +static const struct mtk_gate vde2_clks[] =3D { + /* VDE20 */ + GATE_HWV_VDE20(CLK_VDE2_VDEC_CKEN, "vde2_vdec_cken", "vdec", 0), + GATE_HWV_VDE20(CLK_VDE2_VDEC_ACTIVE, "vde2_vdec_active", "vdec", 4), + GATE_HWV_VDE20(CLK_VDE2_VDEC_CKEN_ENG, "vde2_vdec_cken_eng", "vdec", 8), + /* VDE21 */ + GATE_HWV_VDE21(CLK_VDE2_LAT_CKEN, "vde2_lat_cken", "vdec", 0), + GATE_HWV_VDE21(CLK_VDE2_LAT_ACTIVE, "vde2_lat_active", "vdec", 4), + GATE_HWV_VDE21(CLK_VDE2_LAT_CKEN_ENG, "vde2_lat_cken_eng", "vdec", 8), + /* VDE22 */ + GATE_HWV_VDE22(CLK_VDE2_LARB1_CKEN, "vde2_larb1_cken", "vdec", 0), +}; + +static const struct mtk_clk_desc vde2_mcd =3D { + .clks =3D vde2_clks, + .num_clks =3D ARRAY_SIZE(vde2_clks), + .need_runtime_pm =3D true, +}; + +static const struct mtk_gate_regs vde10_hwv_regs =3D { + .set_ofs =3D 0x00a0, + .clr_ofs =3D 0x00a4, + .sta_ofs =3D 0x2c50, +}; + +static const struct mtk_gate_regs vde11_cg_regs =3D { + .set_ofs =3D 0x1e0, + .clr_ofs =3D 0x1e0, + .sta_ofs =3D 0x1e0, +}; + +static const struct mtk_gate_regs vde11_hwv_regs =3D { + .set_ofs =3D 0x00b0, + .clr_ofs =3D 0x00b4, + .sta_ofs =3D 0x2c58, +}; + +static const struct mtk_gate_regs vde12_cg_regs =3D { + .set_ofs =3D 0x1ec, + .clr_ofs =3D 0x1ec, + .sta_ofs =3D 0x1ec, +}; + +static const struct mtk_gate_regs vde12_hwv_regs =3D { + .set_ofs =3D 0x00a8, + .clr_ofs =3D 0x00ac, + .sta_ofs =3D 0x2c54, +}; + +static const struct mtk_gate_regs vde13_cg_regs =3D { + .set_ofs =3D 0x200, + .clr_ofs =3D 0x204, + .sta_ofs =3D 0x200, +}; + +static const struct mtk_gate_regs vde13_hwv_regs =3D { + .set_ofs =3D 0x0098, + .clr_ofs =3D 0x009c, + .sta_ofs =3D 0x2c4c, +}; + +static const struct mtk_gate_regs vde14_hwv_regs =3D { + .set_ofs =3D 0x0090, + .clr_ofs =3D 0x0094, + .sta_ofs =3D 0x2c48, +}; + +#define GATE_HWV_VDE10(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde20_cg_regs, \ + .hwv_regs =3D &vde10_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VDE11(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde11_cg_regs, \ + .hwv_regs =3D &vde11_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv, \ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VDE12(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde12_cg_regs, \ + .hwv_regs =3D &vde12_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv, \ + .flags =3D CLK_OPS_PARENT_ENABLE \ + } + +#define GATE_HWV_VDE13(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde13_cg_regs, \ + .hwv_regs =3D &vde13_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VDE14(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &vde22_cg_regs, \ + .hwv_regs =3D &vde14_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags =3D CLK_OPS_PARENT_ENABLE | \ + CLK_IGNORE_UNUSED, \ + } + +static const struct mtk_gate vde1_clks[] =3D { + /* VDE10 */ + GATE_HWV_VDE10(CLK_VDE1_VDEC_CKEN, "vde1_vdec_cken", "vdec", 0), + GATE_HWV_VDE10(CLK_VDE1_VDEC_ACTIVE, "vde1_vdec_active", "vdec", 4), + GATE_HWV_VDE10(CLK_VDE1_VDEC_CKEN_ENG, "vde1_vdec_cken_eng", "vdec", 8), + /* VDE11 */ + GATE_HWV_VDE11(CLK_VDE1_VDEC_SOC_IPS_EN, "vde1_vdec_soc_ips_en", "vdec", = 0), + /* VDE12 */ + GATE_HWV_VDE12(CLK_VDE1_VDEC_SOC_APTV_EN, "vde1_aptv_en", "ck_tck_26m_mx9= _ck", 0), + GATE_HWV_VDE12(CLK_VDE1_VDEC_SOC_APTV_TOP_EN, "vde1_aptv_topen", "ck_tck_= 26m_mx9_ck", 1), + /* VDE13 */ + GATE_HWV_VDE13(CLK_VDE1_LAT_CKEN, "vde1_lat_cken", "vdec", 0), + GATE_HWV_VDE13(CLK_VDE1_LAT_ACTIVE, "vde1_lat_active", "vdec", 4), + GATE_HWV_VDE13(CLK_VDE1_LAT_CKEN_ENG, "vde1_lat_cken_eng", "vdec", 8), + /* VDE14 */ + GATE_HWV_VDE14(CLK_VDE1_LARB1_CKEN, "vde1_larb1_cken", "vdec", 0), +}; + +static const struct mtk_clk_desc vde1_mcd =3D { + .clks =3D vde1_clks, + .num_clks =3D ARRAY_SIZE(vde1_clks), + .need_runtime_pm =3D true, +}; + +static const struct of_device_id of_match_clk_mt8196_vdec[] =3D { + { .compatible =3D "mediatek,mt8196-vdecsys", .data =3D &vde2_mcd }, + { .compatible =3D "mediatek,mt8196-vdecsys-soc", .data =3D &vde1_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_vdec); + +static struct platform_driver clk_mt8196_vdec_drv =3D { + .probe =3D mtk_clk_simple_probe, + .remove =3D mtk_clk_simple_remove, + .driver =3D { + .name =3D "clk-mt8196-vdec", + .of_match_table =3D of_match_clk_mt8196_vdec, + }, +}; +module_platform_driver(clk_mt8196_vdec_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 Video Decoders clocks driver"); +MODULE_LICENSE("GPL"); --=20 2.39.5