From mboxrd@z Thu Jan 1 00:00:00 1970 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 5BA5A3705A3; Mon, 15 Sep 2025 15:21:56 +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=1757949718; cv=none; b=Qj4LFVsRlI24uzVjr/Ep5uSmkF/qrn5QJfMZ+Nv0LOvr9TVJeoIiQ+N5s/5AUTe121bmmMDQr3ib/oOQ7Z3g6jbBOXuCPINXSqNkGCdFIuoLAeilQvox7wHEMS3wN20c1l5ZDS98HKRQ/ns/zJYuyz7mI7SpmdZ+tUiuffLD10g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757949718; c=relaxed/simple; bh=QBXnSmgBbqFHODyDh1LLzf0OUKFPjQHInbtAHK7mlQA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=iBQJ1lCA0ygVehSijVP/UDprEMuPXLdPwI3Lf0A0eDGr/DFSknduM/VxhhhNNGYpaoFHNrvv+djU7FYejTTmCbiyztzH+Ws8s33YF3aFHpxAcapkOBfP7NWtfqot6q5DUFcPKuu5vHnsqO24uBFQTB52xvhwG6ZENl/zian8hMk= 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=aUpaxbRp; 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="aUpaxbRp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1757949714; bh=QBXnSmgBbqFHODyDh1LLzf0OUKFPjQHInbtAHK7mlQA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aUpaxbRpDvozAP2pCanpSAbiTVgCf1S6V3UkQs571nge+K4bYLAoeqkMgfFzk0B2e 3muE/rsYZYTHC8m/ajXDjBfiFHk2MTE+fmSVoEwWj1KxId8qg8TFntbJ85Ac/Lvkbn RJGLsYsNnu+DHDUUdpPJjR62PUE94UDJv5tuWBr+ejJlt2mBh6tuZoMZCNtCpGe+zH aYTzR3fEOJ+fwb9s2BqOy8XeWBvWpqwm7WyUmSdDaukPsXrlIS+FORETGCqr1l+y3J gG8QvMbrV8PoFHQnT3AHzVlnCOB5+T7gLQtgTprq9OJEorHzTIUMkgVdSuXwTQLrxL mPkvVr76n0AoQ== 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 E363317E1340; Mon, 15 Sep 2025 17:21:53 +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 27/27] clk: mediatek: Add MT8196 vencsys clock support Date: Mon, 15 Sep 2025 17:19:47 +0200 Message-Id: <20250915151947.277983-28-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: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support for the MT8196 vencsys clock controller, which provides clock gate control for the video encoder. Reviewed-by: Nícolas 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-venc.c | 236 +++++++++++++++++++++++++ 3 files changed, 244 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8196-venc.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 939d7d27c0c8..0e8dd82aa84e 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -1066,6 +1066,13 @@ config COMMON_CLK_MT8196_VDECSYS help This driver supports MediaTek MT8196 vdecsys clocks. +config COMMON_CLK_MT8196_VENCSYS + tristate "Clock driver for MediaTek MT8196 vencsys" + depends on COMMON_CLK_MT8196 + default m + help + This driver supports MediaTek MT8196 vencsys 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 131582b12783..d8736a060dbd 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -162,6 +162,7 @@ obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o clk-mt8196-disp1.o c obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) += clk-mt8196-pextp.o obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) += clk-mt8196-ufs_ao.o obj-$(CONFIG_COMMON_CLK_MT8196_VDECSYS) += clk-mt8196-vdec.o +obj-$(CONFIG_COMMON_CLK_MT8196_VENCSYS) += clk-mt8196-venc.o obj-$(CONFIG_COMMON_CLK_MT8365) += clk-mt8365-apmixedsys.o clk-mt8365.o obj-$(CONFIG_COMMON_CLK_MT8365_APU) += clk-mt8365-apu.o obj-$(CONFIG_COMMON_CLK_MT8365_CAM) += clk-mt8365-cam.o diff --git a/drivers/clk/mediatek/clk-mt8196-venc.c b/drivers/clk/mediatek/clk-mt8196-venc.c new file mode 100644 index 000000000000..13e2e36e945f --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-venc.c @@ -0,0 +1,236 @@ +// 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 ven10_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +static const struct mtk_gate_regs ven10_hwv_regs = { + .set_ofs = 0x00b8, + .clr_ofs = 0x00bc, + .sta_ofs = 0x2c5c, +}; + +static const struct mtk_gate_regs ven11_cg_regs = { + .set_ofs = 0x10, + .clr_ofs = 0x14, + .sta_ofs = 0x10, +}; + +static const struct mtk_gate_regs ven11_hwv_regs = { + .set_ofs = 0x00c0, + .clr_ofs = 0x00c4, + .sta_ofs = 0x2c60, +}; + +#define GATE_VEN10(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven10_cg_regs, \ + .shift = _shift, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + .ops = &mtk_clk_gate_ops_setclr_inv, \ + } + +#define GATE_HWV_VEN10_FLAGS(_id, _name, _parent, _shift, _flags) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven10_cg_regs, \ + .hwv_regs = &ven10_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr_inv, \ + .flags = (_flags) | \ + CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VEN10(_id, _name, _parent, _shift) \ + GATE_HWV_VEN10_FLAGS(_id, _name, _parent, _shift, 0) + +#define GATE_HWV_VEN11(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven11_cg_regs, \ + .hwv_regs = &ven11_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags = CLK_OPS_PARENT_ENABLE \ + } + +static const struct mtk_gate ven1_clks[] = { + /* VEN10 */ + GATE_HWV_VEN10(CLK_VEN1_CKE0_LARB, "ven1_larb", "venc", 0), + GATE_HWV_VEN10(CLK_VEN1_CKE1_VENC, "ven1_venc", "venc", 4), + GATE_VEN10(CLK_VEN1_CKE2_JPGENC, "ven1_jpgenc", "venc", 8), + GATE_VEN10(CLK_VEN1_CKE3_JPGDEC, "ven1_jpgdec", "venc", 12), + GATE_VEN10(CLK_VEN1_CKE4_JPGDEC_C1, "ven1_jpgdec_c1", "venc", 16), + GATE_HWV_VEN10(CLK_VEN1_CKE5_GALS, "ven1_gals", "venc", 28), + GATE_HWV_VEN10(CLK_VEN1_CKE29_VENC_ADAB_CTRL, "ven1_venc_adab_ctrl", + "venc", 29), + GATE_HWV_VEN10_FLAGS(CLK_VEN1_CKE29_VENC_XPC_CTRL, + "ven1_venc_xpc_ctrl", "venc", 30, + CLK_IGNORE_UNUSED), + GATE_HWV_VEN10(CLK_VEN1_CKE6_GALS_SRAM, "ven1_gals_sram", "venc", 31), + /* VEN11 */ + GATE_HWV_VEN11(CLK_VEN1_RES_FLAT, "ven1_res_flat", "venc", 0), +}; + +static const struct mtk_clk_desc ven1_mcd = { + .clks = ven1_clks, + .num_clks = ARRAY_SIZE(ven1_clks), + .need_runtime_pm = true, +}; + +static const struct mtk_gate_regs ven20_hwv_regs = { + .set_ofs = 0x00c8, + .clr_ofs = 0x00cc, + .sta_ofs = 0x2c64, +}; + +static const struct mtk_gate_regs ven21_hwv_regs = { + .set_ofs = 0x00d0, + .clr_ofs = 0x00d4, + .sta_ofs = 0x2c68, +}; + +#define GATE_VEN20(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven10_cg_regs, \ + .shift = _shift, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + .ops = &mtk_clk_gate_ops_setclr_inv, \ + } + +#define GATE_HWV_VEN20(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven10_cg_regs, \ + .hwv_regs = &ven20_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VEN21(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven11_cg_regs, \ + .hwv_regs = &ven21_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE \ + } + +static const struct mtk_gate ven2_clks[] = { + /* VEN20 */ + GATE_HWV_VEN20(CLK_VEN2_CKE0_LARB, "ven2_larb", "venc", 0), + GATE_HWV_VEN20(CLK_VEN2_CKE1_VENC, "ven2_venc", "venc", 4), + GATE_VEN20(CLK_VEN2_CKE2_JPGENC, "ven2_jpgenc", "venc", 8), + GATE_VEN20(CLK_VEN2_CKE3_JPGDEC, "ven2_jpgdec", "venc", 12), + GATE_HWV_VEN20(CLK_VEN2_CKE5_GALS, "ven2_gals", "venc", 28), + GATE_HWV_VEN20(CLK_VEN2_CKE29_VENC_XPC_CTRL, "ven2_venc_xpc_ctrl", "venc", 30), + GATE_HWV_VEN20(CLK_VEN2_CKE6_GALS_SRAM, "ven2_gals_sram", "venc", 31), + /* VEN21 */ + GATE_HWV_VEN21(CLK_VEN2_RES_FLAT, "ven2_res_flat", "venc", 0), +}; + +static const struct mtk_clk_desc ven2_mcd = { + .clks = ven2_clks, + .num_clks = ARRAY_SIZE(ven2_clks), + .need_runtime_pm = true, +}; + +static const struct mtk_gate_regs ven_c20_hwv_regs = { + .set_ofs = 0x00d8, + .clr_ofs = 0x00dc, + .sta_ofs = 0x2c6c, +}; + +static const struct mtk_gate_regs ven_c21_hwv_regs = { + .set_ofs = 0x00e0, + .clr_ofs = 0x00e4, + .sta_ofs = 0x2c70, +}; + +#define GATE_HWV_VEN_C20(_id, _name, _parent, _shift) {\ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven10_cg_regs, \ + .hwv_regs = &ven_c20_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr_inv,\ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_VEN_C21(_id, _name, _parent, _shift) {\ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ven11_cg_regs, \ + .hwv_regs = &ven_c21_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +static const struct mtk_gate ven_c2_clks[] = { + /* VEN_C20 */ + GATE_HWV_VEN_C20(CLK_VEN_C2_CKE0_LARB, "ven_c2_larb", "venc", 0), + GATE_HWV_VEN_C20(CLK_VEN_C2_CKE1_VENC, "ven_c2_venc", "venc", 4), + GATE_HWV_VEN_C20(CLK_VEN_C2_CKE5_GALS, "ven_c2_gals", "venc", 28), + GATE_HWV_VEN_C20(CLK_VEN_C2_CKE29_VENC_XPC_CTRL, "ven_c2_venc_xpc_ctrl", + "venc", 30), + GATE_HWV_VEN_C20(CLK_VEN_C2_CKE6_GALS_SRAM, "ven_c2_gals_sram", "venc", 31), + /* VEN_C21 */ + GATE_HWV_VEN_C21(CLK_VEN_C2_RES_FLAT, "ven_c2_res_flat", "venc", 0), +}; + +static const struct mtk_clk_desc ven_c2_mcd = { + .clks = ven_c2_clks, + .num_clks = ARRAY_SIZE(ven_c2_clks), + .need_runtime_pm = true, +}; + +static const struct of_device_id of_match_clk_mt8196_venc[] = { + { .compatible = "mediatek,mt8196-vencsys", .data = &ven1_mcd }, + { .compatible = "mediatek,mt8196-vencsys-c1", .data = &ven2_mcd }, + { .compatible = "mediatek,mt8196-vencsys-c2", .data = &ven_c2_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_venc); + +static struct platform_driver clk_mt8196_venc_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8196-venc", + .of_match_table = of_match_clk_mt8196_venc, + }, +}; +module_platform_driver(clk_mt8196_venc_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 Video Encoders clocks driver"); +MODULE_LICENSE("GPL"); -- 2.39.5