From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 33909D41D74 for ; Mon, 15 Dec 2025 03:51:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=I/gxz9L70EgGOxX7lC3id5jzSqCMUnCNLc4lGqjga5w=; b=qJGQILjswQRDXMaL55BvJ79Xww KFKFYfuOVfOedPADrIYaCmFlChHzBS9LnRreBV6/dhmSnu6kASJYcJ/EOFRoNGJ2c66O/fe9lJiy7 ZH1bojGSUb/jEGKGnWn0rAclZ5fvAVDnKbQyGV68omJszRZNvbl4hRe3tXtfFO14A6ppVvTIg4M+A Cj880gOxrlRijTqIOAacXgOIrNN+uK7JEB6IqqNSG0OtL8nPeC0ovCmY55F+Hd6VxWRFZL5JyKMwl 8cefI1ozU5X83XdrbLfvdQHgqAQukaMLMb2OSLehvKPoCxBkAtMCrH9J4/UTvlawrxWTmH2XHVW+h 2ymDn2EA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vUzcM-000000030Oj-1cYP; Mon, 15 Dec 2025 03:51:26 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vUzb2-00000002zdV-3TGt; Mon, 15 Dec 2025 03:50:12 +0000 X-UUID: 1e80b8dcd96911f0a52f393f94899d25-20251214 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=I/gxz9L70EgGOxX7lC3id5jzSqCMUnCNLc4lGqjga5w=; b=tKsO30S2q663WCfwZkz4W1xX05BNH5zkgDaJremoLTDwmAy+k4+2dG3eXV2tjffVxraPTP13TsZfBH5fDhnLpaZvYXXOZJriePQVEgDNjuIh+3j6+pOHszeW130/TsGjJED2V5FKd0rmVjNIoo1gu9kbYhEoA0w+hpYojoY/CQY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.6,REQID:aeeca3c9-91b3-4ca6-af7f-49a8a631f143,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:a9d874c,CLOUDID:4dd0c402-1fa9-44eb-b231-4afc61466396,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:nil,COL:0,OS I: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: 1e80b8dcd96911f0a52f393f94899d25-20251214 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1381175532; Sun, 14 Dec 2025 20:49:55 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) 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, 15 Dec 2025 11:49:52 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Mon, 15 Dec 2025 11:49:52 +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 v4 09/21] clk: mediatek: Add MT8189 cam clock support Date: Mon, 15 Dec 2025 11:49:18 +0800 Message-ID: <20251215034944.2973003-10-irving-ch.lin@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20251215034944.2973003-1-irving-ch.lin@mediatek.com> References: <20251215034944.2973003-1-irving-ch.lin@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251214_195004_971632_918EEC41 X-CRM114-Status: GOOD ( 18.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 | 108 ++++++++++++++++++++++++++ 3 files changed, 120 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. +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-$(CONFIG_COMMON_CLK_MT8188_WPESYS) += clk-mt8188-wpe.o obj-$(CONFIG_COMMON_CLK_MT8189) += clk-mt8189-apmixedsys.o clk-mt8189-topckgen.o \ clk-mt8189-vlpckgen.o clk-mt8189-vlpcfg.o obj-$(CONFIG_COMMON_CLK_MT8189_BUS) += clk-mt8189-bus.o +obj-$(CONFIG_COMMON_CLK_MT8189_CAM) += clk-mt8189-cam.o obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192-apmixedsys.o clk-mt8192.o obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o diff --git a/drivers/clk/mediatek/clk-mt8189-cam.c b/drivers/clk/mediatek/clk-mt8189-cam.c new file mode 100644 index 000000000000..d65ac08cedd6 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-cam.c @@ -0,0 +1,108 @@ +// 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 = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_CAM_M(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &cam_m_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_IGNORE_UNUSED) + +static const struct mtk_gate cam_m_clks[] = { + 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_sel", 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 = { + .clks = cam_m_clks, + .num_clks = ARRAY_SIZE(cam_m_clks), +}; + +static const struct mtk_gate_regs cam_ra_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_CAM_RA(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &cam_ra_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_IGNORE_UNUSED) + +static const struct mtk_gate cam_ra_clks[] = { + GATE_CAM_RA(CLK_CAM_RA_CAMSYS_RAWA_LARBX, "cam_ra_camsys_rawa_larbx", "cam_sel", 0), + GATE_CAM_RA(CLK_CAM_RA_CAMSYS_RAWA_CAM, "cam_ra_camsys_rawa_cam", "cam_sel", 1), + GATE_CAM_RA(CLK_CAM_RA_CAMSYS_RAWA_CAMTG, "cam_ra_camsys_rawa_camtg", "cam_sel", 2), +}; + +static const struct mtk_clk_desc cam_ra_mcd = { + .clks = cam_ra_clks, + .num_clks = ARRAY_SIZE(cam_ra_clks), +}; + +static const struct mtk_gate_regs cam_rb_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_CAM_RB(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &cam_rb_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_IGNORE_UNUSED) + +static const struct mtk_gate cam_rb_clks[] = { + GATE_CAM_RB(CLK_CAM_RB_CAMSYS_RAWB_LARBX, "cam_rb_camsys_rawb_larbx", "cam_sel", 0), + GATE_CAM_RB(CLK_CAM_RB_CAMSYS_RAWB_CAM, "cam_rb_camsys_rawb_cam", "cam_sel", 1), + GATE_CAM_RB(CLK_CAM_RB_CAMSYS_RAWB_CAMTG, "cam_rb_camsys_rawb_camtg", "cam_sel", 2), +}; + +static const struct mtk_clk_desc cam_rb_mcd = { + .clks = cam_rb_clks, + .num_clks = ARRAY_SIZE(cam_rb_clks), +}; + +static const struct of_device_id of_match_clk_mt8189_cam[] = { + { .compatible = "mediatek,mt8189-camsys-main", .data = &cam_m_mcd }, + { .compatible = "mediatek,mt8189-camsys-rawa", .data = &cam_ra_mcd }, + { .compatible = "mediatek,mt8189-camsys-rawb", .data = &cam_rb_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8189_cam); + +static struct platform_driver clk_mt8189_cam_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8189-cam", + .of_match_table = of_match_clk_mt8189_cam, + }, +}; + +module_platform_driver(clk_mt8189_cam_drv); +MODULE_DESCRIPTION("MediaTek MT8189 cam clocks driver"); +MODULE_LICENSE("GPL"); -- 2.45.2