From nobody Fri Dec 19 17:19:42 2025 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (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 F1B9632D0E6; Thu, 6 Nov 2025 12:43:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762433029; cv=none; b=mo8KmDoHthSc74yHq2I+65E+qKmS4XSINjzc5JQQojfpN71AayVVBU3Nxab0wEmiqoVvwxBKkuQF7UqKQkCWoOC9rpFgn2mZf7A2NEHoQXuxhmPi0d+uflPqrQVb5zmj2TWksap0K6j+Lrck57o/1xUOBBF4BY4xC/mbejeV7Po= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762433029; c=relaxed/simple; bh=a4Suhlp/RTvKMmbMox22AOA+jKvmyOaAnpw1uhH4O7c=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=htwwQwOLnluk5qCQ/vc+sdECEFRIh65Js1Ptg55vp2/lh/3Rx8JVCC8ZH/0JyNEx9zfmaHskBptYrSZcF87HN0BZ+SBhf9EO1kfqLI1AHmvfVExJYXaomxswlrUtBrmijVcVMxhVeGjpeLQ9LKPydlpbmZuuAft3GC5kxteP1c0= 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=AIbyRT/b; arc=none smtp.client-ip=210.61.82.184 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="AIbyRT/b" X-UUID: 38463018bb0e11f0b33aeb1e7f16c2b6-20251106 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=+gkPhxNM+skRBrjtgmCEOwrcmI29DUQpjQ0RF8bdBbo=; b=AIbyRT/buPcB3u1HmBko5BzuAHUpRqzoM3edc6J3PWR1kvd118OX2xaFQjTaqMtbHGfeWwGWS871aNGfi0Gziw8EeNF71FuzHxlayhF4ip66kmbZqE8nK/YMvGTbueqo9XFUwMTCLB7ikRl+qs4jtQGyIks1uA5oL+EnYfTjZV8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.6,REQID:419d8ecb-5fa3-43d5-ab1e-e11c30c5eaae,IP:0,UR L:0,TC:0,Content:0,EDM:-25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-25 X-CID-META: VersionHash:a9d874c,CLOUDID:d313fc7c-f9d7-466d-a1f7-15b5fcad2ce6,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:2,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:nil,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: 38463018bb0e11f0b33aeb1e7f16c2b6-20251106 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1089537578; Thu, 06 Nov 2025 20:43:39 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS09N2.mediatek.inc (172.21.101.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.26; Thu, 6 Nov 2025 20:43:38 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1748.26 via Frontend Transport; Thu, 6 Nov 2025 20:43:38 +0800 From: irving.ch.lin To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Ulf Hansson , Richard Cochran CC: Qiqi Wang , , , , , , , , , , , , Subject: [PATCH v3 09/21] clk: mediatek: Add MT8189 cam clock support Date: Thu, 6 Nov 2025 20:41:54 +0800 Message-ID: <20251106124330.1145600-10-irving-ch.lin@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20251106124330.1145600-1-irving-ch.lin@mediatek.com> References: <20251106124330.1145600-1-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 cam clock controller, which provides clock gate control for camera. Signed-off-by: Irving-CH Lin --- drivers/clk/mediatek/Kconfig | 11 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8189-cam.c | 123 ++++++++++++++++++++++++++ 3 files changed, 135 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8189-cam.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 0e7fdb5421e6..82a26d952bff 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -839,6 +839,17 @@ config COMMON_CLK_MT8189_BUS MT8189 chipset, ensuring that all bus-related components receive the correct clock signals for optimal performance. =20 +config COMMON_CLK_MT8189_CAM + tristate "Clock driver for MediaTek MT8189 cam" + depends on COMMON_CLK_MT8189 + default COMMON_CLK_MT8189 + help + Enable this to support the clock management for the camera interface + on MediaTek MT8189 SoCs. This includes enabling, disabling, and + setting the rate for camera-related clocks. If you have a camera + that relies on this SoC and you want to control its clocks, say Y or M + to include this driver in your kernel build. + 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 aabfb42cb1b2..95a8f4ae05ee 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -126,6 +126,7 @@ obj-$(CONFIG_COMMON_CLK_MT8188_WPESYS) +=3D clk-mt8188-= wpe.o obj-$(CONFIG_COMMON_CLK_MT8189) +=3D clk-mt8189-apmixedsys.o clk-mt8189-to= pckgen.o \ clk-mt8189-vlpckgen.o clk-mt8189-vlpcfg.o obj-$(CONFIG_COMMON_CLK_MT8189_BUS) +=3D clk-mt8189-bus.o +obj-$(CONFIG_COMMON_CLK_MT8189_CAM) +=3D clk-mt8189-cam.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-cam.c b/drivers/clk/mediatek/c= lk-mt8189-cam.c new file mode 100644 index 000000000000..4d725f979721 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-cam.c @@ -0,0 +1,123 @@ +// 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 cam_m_cg_regs =3D { + .set_ofs =3D 0x4, + .clr_ofs =3D 0x8, + .sta_ofs =3D 0x0, +}; + +#define GATE_CAM_M(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &cam_m_cg_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_ops_setclr, \ + .flags =3D CLK_OPS_PARENT_ENABLE | CLK_IGNORE_UNUSED, \ + } + +static const struct mtk_gate cam_m_clks[] =3D { + GATE_CAM_M(CLK_CAM_M_LARB13, "cam_m_larb13", "cam_sel", 0), + GATE_CAM_M(CLK_CAM_M_LARB14, "cam_m_larb14", "cam_sel", 2), + GATE_CAM_M(CLK_CAM_M_CAMSYS_MAIN_CAM, "cam_m_camsys_main_cam", "cam_sel",= 6), + GATE_CAM_M(CLK_CAM_M_CAMSYS_MAIN_CAMTG, "cam_m_camsys_main_camtg", "cam_s= el", 7), + GATE_CAM_M(CLK_CAM_M_SENINF, "cam_m_seninf", "cam_sel", 8), + GATE_CAM_M(CLK_CAM_M_CAMSV1, "cam_m_camsv1", "cam_sel", 10), + GATE_CAM_M(CLK_CAM_M_CAMSV2, "cam_m_camsv2", "cam_sel", 11), + GATE_CAM_M(CLK_CAM_M_CAMSV3, "cam_m_camsv3", "cam_sel", 12), + GATE_CAM_M(CLK_CAM_M_FAKE_ENG, "cam_m_fake_eng", "cam_sel", 17), + GATE_CAM_M(CLK_CAM_M_CAM2MM_GALS, "cam_m_cam2mm_gals", "cam_sel", 19), + GATE_CAM_M(CLK_CAM_M_CAMSV4, "cam_m_camsv4", "cam_sel", 20), + GATE_CAM_M(CLK_CAM_M_PDA, "cam_m_pda", "cam_sel", 21), +}; + +static const struct mtk_clk_desc cam_m_mcd =3D { + .clks =3D cam_m_clks, + .num_clks =3D ARRAY_SIZE(cam_m_clks), +}; + +static const struct mtk_gate_regs cam_ra_cg_regs =3D { + .set_ofs =3D 0x4, + .clr_ofs =3D 0x8, + .sta_ofs =3D 0x0, +}; + +#define GATE_CAM_RA(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &cam_ra_cg_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_ops_setclr, \ + .flags =3D CLK_OPS_PARENT_ENABLE | CLK_IGNORE_UNUSED, \ + } + +static const struct mtk_gate cam_ra_clks[] =3D { + GATE_CAM_RA(CLK_CAM_RA_CAMSYS_RAWA_LARBX, "cam_ra_camsys_rawa_larbx", "ca= m_sel", 0), + GATE_CAM_RA(CLK_CAM_RA_CAMSYS_RAWA_CAM, "cam_ra_camsys_rawa_cam", "cam_se= l", 1), + GATE_CAM_RA(CLK_CAM_RA_CAMSYS_RAWA_CAMTG, "cam_ra_camsys_rawa_camtg", "ca= m_sel", 2), +}; + +static const struct mtk_clk_desc cam_ra_mcd =3D { + .clks =3D cam_ra_clks, + .num_clks =3D ARRAY_SIZE(cam_ra_clks), +}; + +static const struct mtk_gate_regs cam_rb_cg_regs =3D { + .set_ofs =3D 0x4, + .clr_ofs =3D 0x8, + .sta_ofs =3D 0x0, +}; + +#define GATE_CAM_RB(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &cam_rb_cg_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_ops_setclr, \ + .flags =3D CLK_OPS_PARENT_ENABLE | CLK_IGNORE_UNUSED, \ + } + +static const struct mtk_gate cam_rb_clks[] =3D { + GATE_CAM_RB(CLK_CAM_RB_CAMSYS_RAWB_LARBX, "cam_rb_camsys_rawb_larbx", "ca= m_sel", 0), + GATE_CAM_RB(CLK_CAM_RB_CAMSYS_RAWB_CAM, "cam_rb_camsys_rawb_cam", "cam_se= l", 1), + GATE_CAM_RB(CLK_CAM_RB_CAMSYS_RAWB_CAMTG, "cam_rb_camsys_rawb_camtg", "ca= m_sel", 2), +}; + +static const struct mtk_clk_desc cam_rb_mcd =3D { + .clks =3D cam_rb_clks, + .num_clks =3D ARRAY_SIZE(cam_rb_clks), +}; + +static const struct of_device_id of_match_clk_mt8189_cam[] =3D { + { .compatible =3D "mediatek,mt8189-camsys-main", .data =3D &cam_m_mcd }, + { .compatible =3D "mediatek,mt8189-camsys-rawa", .data =3D &cam_ra_mcd }, + { .compatible =3D "mediatek,mt8189-camsys-rawb", .data =3D &cam_rb_mcd }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt8189_cam_drv =3D { + .probe =3D mtk_clk_simple_probe, + .driver =3D { + .name =3D "clk-mt8189-cam", + .of_match_table =3D of_match_clk_mt8189_cam, + }, +}; + +module_platform_driver(clk_mt8189_cam_drv); +MODULE_LICENSE("GPL"); --=20 2.45.2