From nobody Mon Feb 9 08:28:50 2026 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (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 1E5502DB782; Mon, 2 Feb 2026 06:28:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770013733; cv=none; b=kJTgEJbyrYeKqt+8V+tIxalIV3uSRDPB8XbI3a2MXGPL36udkLDbsFQGZn7Zqbt/zZ+2xDzLIYJdu581YHtkitilb/uFKQZJiv/0dEUQ2QSfCqNOiC2a4/PaV7V8g7VMTYcyJYVQMO1nurkkX1ugLsAVPyiGb7UOWbbGcKnY8Mo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770013733; c=relaxed/simple; bh=onm+DI7gLOHtRskaBzVGFrBWMZHbsxd12V+RgyMOJhE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=YygubXFcp8pOq3kfIiSLHuxmb/48bte9dkLjhQq/PZd2dUxb4lqNi9BnC7IRWjSPU+dyqIRRMABt2EletqL4t0wKOJ5ppuWiQgilJVlQ5JQOcOuDCGDvXj/N1Oa380rrEmU3nixddpQWWBU460ug1V/Y+7VQ5icp866szzdMCcc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=MJyoj4nA; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="MJyoj4nA" X-UUID: 6d27e894000011f185319dbc3099e8fb-20260202 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=0tPokiXZlW+HYG1DX+dbiowxBxLPUafss9siq+Yk1l4=; b=MJyoj4nAF3jR2tQimqXzZ1vmDisz0oXY6psAcYk5ogJVsir92km2S37Uv32OdHfwNkB511ktFyF3rQaV7gEapVqWx98x+HeTR/TJg2v1s+eOg9lh22pT5v4vwaE3tAkrw1XdtlvcVSd20DaN+F6hAo8aUB+txYguEfzKc3EbqHo=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.11,REQID:c709f3bd-e147-4d39-96b5-6dd80342b71f,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:89c9d04,CLOUDID:5844d25a-a957-4259-bcca-d3af718d7034,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:-3,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:-1,COL:0,OSI :0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 6d27e894000011f185319dbc3099e8fb-20260202 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1411301831; Mon, 02 Feb 2026 14:28:45 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Mon, 2 Feb 2026 14:28:45 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Mon, 2 Feb 2026 14:28:44 +0800 From: irving.ch.lin To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Richard Cochran , Bartosz Golaszewski , Chen-Yu Tsai , Miles Chen CC: , , , , , , , Qiqi Wang , , , , Subject: [PATCH v5 13/18] clk: mediatek: Add MT8189 mdp clock support Date: Mon, 2 Feb 2026 14:28:20 +0800 Message-ID: <20260202062840.342707-14-irving-ch.lin@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260202062840.342707-1-irving-ch.lin@mediatek.com> References: <20260202062840.342707-1-irving-ch.lin@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Irving-CH Lin Add support for the MT8189 mdp clock controller, which provides clock gate control for display system. Signed-off-by: Irving-CH Lin --- drivers/clk/mediatek/Kconfig | 12 ++++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8189-mdpsys.c | 91 ++++++++++++++++++++++++ 3 files changed, 104 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8189-mdpsys.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index e6c5d8a69607..bd50e18e48f4 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -894,6 +894,18 @@ config COMMON_CLK_MT8189_IMG are building a kernel for a device that uses the MT8189 SoC and requires image processing capabilities, say Y or M to include this driver. =20 +config COMMON_CLK_MT8189_MDPSYS + tristate "Clock driver for MediaTek MT8189 mdpsys" + depends on COMMON_CLK_MT8189 + default COMMON_CLK_MT8189 + help + This driver supports the display system clocks on the MediaTek MT8189 + SoC. By enabling this option, it allows for the control of the clocks + related to the display subsystem. This is crucial for the proper + functionality of the display features on devices powered by the MT8189 + chipset, ensuring that the display system operates efficiently and + effectively. + config COMMON_CLK_MT8192 tristate "Clock driver for MediaTek MT8192" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index a1eaf123f2f0..9b23e4c5e019 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -131,6 +131,7 @@ obj-$(CONFIG_COMMON_CLK_MT8189_DBGAO) +=3D clk-mt8189-d= bgao.o obj-$(CONFIG_COMMON_CLK_MT8189_DVFSRC) +=3D clk-mt8189-dvfsrc.o obj-$(CONFIG_COMMON_CLK_MT8189_IIC) +=3D clk-mt8189-iic.o obj-$(CONFIG_COMMON_CLK_MT8189_IMG) +=3D clk-mt8189-img.o +obj-$(CONFIG_COMMON_CLK_MT8189_MDPSYS) +=3D clk-mt8189-mdpsys.o obj-$(CONFIG_COMMON_CLK_MT8192) +=3D clk-mt8192-apmixedsys.o clk-mt8192.o obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) +=3D clk-mt8192-aud.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) +=3D clk-mt8192-cam.o diff --git a/drivers/clk/mediatek/clk-mt8189-mdpsys.c b/drivers/clk/mediate= k/clk-mt8189-mdpsys.c new file mode 100644 index 000000000000..282bfb77b47d --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-mdpsys.c @@ -0,0 +1,91 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2025 MediaTek Inc. + * Author: Qiqi Wang + */ + +#include +#include +#include +#include + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include + +static const struct mtk_gate_regs mdp0_cg_regs =3D { + .set_ofs =3D 0x04, + .clr_ofs =3D 0x08, + .sta_ofs =3D 0x00, +}; + +static const struct mtk_gate_regs mdp1_cg_regs =3D { + .set_ofs =3D 0x14, + .clr_ofs =3D 0x18, + .sta_ofs =3D 0x10, +}; + +#define GATE_MDP0(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &mdp0_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_IGNORE_UNUSED) + +#define GATE_MDP1(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &mdp1_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_IGNORE_UNUSED) + +static const struct mtk_gate mdp_clks[] =3D { + /* MDP0 */ + GATE_MDP0(CLK_MDP_MUTEX0, "mdp_mutex0", "mdp0_sel", 0), + GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "mdp0_sel", 1), + GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "mdp0_sel", 2), + GATE_MDP0(CLK_MDP_RDMA0, "mdp_rdma0", "mdp0_sel", 3), + GATE_MDP0(CLK_MDP_RDMA2, "mdp_rdma2", "mdp0_sel", 4), + GATE_MDP0(CLK_MDP_HDR0, "mdp_hdr0", "mdp0_sel", 5), + GATE_MDP0(CLK_MDP_AAL0, "mdp_aal0", "mdp0_sel", 6), + GATE_MDP0(CLK_MDP_RSZ0, "mdp_rsz0", "mdp0_sel", 7), + GATE_MDP0(CLK_MDP_TDSHP0, "mdp_tdshp0", "mdp0_sel", 8), + GATE_MDP0(CLK_MDP_COLOR0, "mdp_color0", "mdp0_sel", 9), + GATE_MDP0(CLK_MDP_WROT0, "mdp_wrot0", "mdp0_sel", 10), + GATE_MDP0(CLK_MDP_FAKE_ENG0, "mdp_fake_eng0", "mdp0_sel", 11), + GATE_MDP0(CLK_MDPSYS_CONFIG, "mdpsys_config", "mdp0_sel", 14), + GATE_MDP0(CLK_MDP_RDMA1, "mdp_rdma1", "mdp0_sel", 15), + GATE_MDP0(CLK_MDP_RDMA3, "mdp_rdma3", "mdp0_sel", 16), + GATE_MDP0(CLK_MDP_HDR1, "mdp_hdr1", "mdp0_sel", 17), + GATE_MDP0(CLK_MDP_AAL1, "mdp_aal1", "mdp0_sel", 18), + GATE_MDP0(CLK_MDP_RSZ1, "mdp_rsz1", "mdp0_sel", 19), + GATE_MDP0(CLK_MDP_TDSHP1, "mdp_tdshp1", "mdp0_sel", 20), + GATE_MDP0(CLK_MDP_COLOR1, "mdp_color1", "mdp0_sel", 21), + GATE_MDP0(CLK_MDP_WROT1, "mdp_wrot1", "mdp0_sel", 22), + GATE_MDP0(CLK_MDP_RSZ2, "mdp_rsz2", "mdp0_sel", 24), + GATE_MDP0(CLK_MDP_WROT2, "mdp_wrot2", "mdp0_sel", 25), + GATE_MDP0(CLK_MDP_RSZ3, "mdp_rsz3", "mdp0_sel", 28), + GATE_MDP0(CLK_MDP_WROT3, "mdp_wrot3", "mdp0_sel", 29), + /* MDP1 */ + GATE_MDP1(CLK_MDP_BIRSZ0, "mdp_birsz0", "mdp0_sel", 3), + GATE_MDP1(CLK_MDP_BIRSZ1, "mdp_birsz1", "mdp0_sel", 4), +}; + +static const struct mtk_clk_desc mdp_mcd =3D { + .clks =3D mdp_clks, + .num_clks =3D ARRAY_SIZE(mdp_clks), +}; + +static const struct of_device_id of_match_clk_mt8189_mdpsys[] =3D { + { .compatible =3D "mediatek,mt8189-mdpsys", .data =3D &mdp_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8189_mdpsys); + +static struct platform_driver clk_mt8189_mdpsys_drv =3D { + .probe =3D mtk_clk_simple_probe, + .remove =3D mtk_clk_simple_remove, + .driver =3D { + .name =3D "clk-mt8189-mdpsys", + .of_match_table =3D of_match_clk_mt8189_mdpsys, + }, +}; + +module_platform_driver(clk_mt8189_mdpsys_drv); +MODULE_DESCRIPTION("MediaTek MT8189 mdpsys clocks driver"); +MODULE_LICENSE("GPL"); --=20 2.45.2