From nobody Thu Apr 2 12:35:33 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 10E103ACEF6; Mon, 9 Mar 2026 12:05:29 +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=1773057932; cv=none; b=UG8r4ztSrDLu8OU0R35pbl3HIPG7wbCpG5uXOgukMNp2HGb3Ie1WNF1MIJBVEJttIPVvd0f/He7lS6sn8Yf0EOTqYS6+W7zzBltBWQbYNWtDQWuKuGpK4nxIXSRRnPj276UuZx3Kk7cZRgxlarSDgOCCOpim/buw1fjeI1yQfm8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773057932; c=relaxed/simple; bh=l5A9wNH7yeBKeqthVYfyVaxrVyKEmE/RSkiqHl6Xj2M=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BoF5hgTjBWExED9hYsmqmTiJY/BZWJ/cJE4ems1LKuEftLmWtO0UfePqrWHPmEHc9lY2QbGx6N9kNE3uT5/0csfLE5gcaRkdjZPbzzEcB6jeMsFRa6kq+VzXxNBPf1oKnEss2E7wp/CjZWRN0OcH0BDU+VGroqcou55/jJlwU/I= 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=I+5/kLjn; 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="I+5/kLjn" X-UUID: 3f5e07881bb011f1a02d4725871ece0b-20260309 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=evsYU0Gi3bwHHPRb7qELzJfNnB+liImYa1xKOrbFbao=; b=I+5/kLjnopY8iUionXlcX+2N908dc/uMvBSGpvRhSVUOWBCF5mO0lektcvKbA7kWSVuLs/EGnQ0XyoR131mGDdMXzWfFW2VOPK6cMCkYIJtP/qd5PH2IKn/f8A16FYTeDStxDJGo3Maev64mQL2N7AhD9Jj3RTPyDkDrD2Z7uKY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.11,REQID:e0623485-847d-431a-8f31-ff0829c4ec4b,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:89c9d04,CLOUDID:6da9b17b-8c8a-4fc4-88c0-3556e7711556,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: 3f5e07881bb011f1a02d4725871ece0b-20260309 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 2100659313; Mon, 09 Mar 2026 20:05:21 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Mon, 9 Mar 2026 20:05:20 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Mon, 9 Mar 2026 20:05:20 +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 v6 18/18] clk: mediatek: Add MT8189 vcodec clock support Date: Mon, 9 Mar 2026 20:05:00 +0800 Message-ID: <20260309120512.3624804-19-irving-ch.lin@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260309120512.3624804-1-irving-ch.lin@mediatek.com> References: <20260309120512.3624804-1-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 vcodec clock controller, which provides clock gate control for video encoder/decoder. Signed-off-by: Irving-CH Lin --- drivers/clk/mediatek/Kconfig | 10 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8189-vcodec.c | 93 ++++++++++++++++++++++++ 3 files changed, 104 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8189-vcodec.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 5f48e7174070..32a0b92180ec 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -951,6 +951,16 @@ config COMMON_CLK_MT8189_UFS option if the system includes a UFS device that relies on the MT8189 SoC for clock management. =20 +config COMMON_CLK_MT8189_VCODEC + tristate "Clock driver for MediaTek MT8189 vcodec" + depends on COMMON_CLK_MT8189 + default COMMON_CLK_MT8189 + help + This driver supports the video codec (VCODEC) clocks on the MediaTek + MT8189 SoCs. Enabling this option will allow the system to manage + clocks required for the operation of hardware video encoding and + decoding features provided by the VCODEC unit of the MT8189 platform. + 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 4179808dba7b..614371c92e81 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -136,6 +136,7 @@ obj-$(CONFIG_COMMON_CLK_MT8189_MFG) +=3D clk-mt8189-mfg= .o obj-$(CONFIG_COMMON_CLK_MT8189_MMSYS) +=3D clk-mt8189-dispsys.o obj-$(CONFIG_COMMON_CLK_MT8189_SCP) +=3D clk-mt8189-scp.o obj-$(CONFIG_COMMON_CLK_MT8189_UFS) +=3D clk-mt8189-ufs.o +obj-$(CONFIG_COMMON_CLK_MT8189_VCODEC) +=3D clk-mt8189-vcodec.o obj-$(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-vcodec.c b/drivers/clk/mediate= k/clk-mt8189-vcodec.c new file mode 100644 index 000000000000..87b01e432474 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-vcodec.c @@ -0,0 +1,93 @@ +// 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 vdec_core0_cg_regs =3D { + .set_ofs =3D 0x0, + .clr_ofs =3D 0x4, + .sta_ofs =3D 0x0, +}; + +static const struct mtk_gate_regs vdec_core1_cg_regs =3D { + .set_ofs =3D 0x8, + .clr_ofs =3D 0xc, + .sta_ofs =3D 0x8, +}; + +#define GATE_VDEC_CORE0(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &vdec_core0_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr_inv, CLK_IGNORE_UNUSED) + +#define GATE_VDEC_CORE1(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &vdec_core1_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr_inv, CLK_IGNORE_UNUSED) + +static const struct mtk_gate vdec_core_clks[] =3D { + /* VDEC_CORE0 */ + GATE_VDEC_CORE0(CLK_VDEC_CORE_VDEC_CKEN, "vdec_core_vdec_cken", "vdec_sel= ", 0), + GATE_VDEC_CORE0(CLK_VDEC_CORE_VDEC_ACTIVE, "vdec_core_vdec_active", "vdec= _sel", 4), + /* VDEC_CORE1 */ + GATE_VDEC_CORE1(CLK_VDEC_CORE_LARB_CKEN, "vdec_core_larb_cken", "vdec_sel= ", 0), +}; + +static const struct mtk_clk_desc vdec_core_mcd =3D { + .clks =3D vdec_core_clks, + .num_clks =3D ARRAY_SIZE(vdec_core_clks), +}; + +static const struct mtk_gate_regs ven1_cg_regs =3D { + .set_ofs =3D 0x4, + .clr_ofs =3D 0x8, + .sta_ofs =3D 0x0, +}; + +#define GATE_VEN1(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &ven1_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr_inv, CLK_IGNORE_UNUSED) + +static const struct mtk_gate ven1_clks[] =3D { + GATE_VEN1(CLK_VEN1_CKE0_LARB, "ven1_larb", "venc_sel", 0), + GATE_VEN1(CLK_VEN1_CKE1_VENC, "ven1_venc", "venc_sel", 4), + GATE_VEN1(CLK_VEN1_CKE2_JPGENC, "ven1_jpgenc", "venc_sel", 8), + GATE_VEN1(CLK_VEN1_CKE3_JPGDEC, "ven1_jpgdec", "venc_sel", 12), + GATE_VEN1(CLK_VEN1_CKE4_JPGDEC_C1, "ven1_jpgdec_c1", "venc_sel", 16), + GATE_VEN1(CLK_VEN1_CKE5_GALS, "ven1_gals", "venc_sel", 28), + GATE_VEN1(CLK_VEN1_CKE6_GALS_SRAM, "ven1_gals_sram", "venc_sel", 31), +}; + +static const struct mtk_clk_desc ven1_mcd =3D { + .clks =3D ven1_clks, + .num_clks =3D ARRAY_SIZE(ven1_clks), +}; + +static const struct of_device_id of_match_clk_mt8189_vcodec[] =3D { + { .compatible =3D "mediatek,mt8189-vdec-core", .data =3D &vdec_core_mcd }, + { .compatible =3D "mediatek,mt8189-venc", .data =3D &ven1_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8189_vcodec); + +static struct platform_driver clk_mt8189_vcodec_drv =3D { + .probe =3D mtk_clk_simple_probe, + .remove =3D mtk_clk_simple_remove, + .driver =3D { + .name =3D "clk-mt8189-vcodec", + .of_match_table =3D of_match_clk_mt8189_vcodec, + }, +}; + +module_platform_driver(clk_mt8189_vcodec_drv); +MODULE_DESCRIPTION("MediaTek MT8189 video encoder/decoder clocks driver"); +MODULE_LICENSE("GPL"); --=20 2.45.2