From nobody Thu Oct 2 15:35:39 2025 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 42C3E35FC0C; Mon, 15 Sep 2025 15:21:47 +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=1757949709; cv=none; b=nSe/9c+xAcGsrQt9bI4c0oFT15ouTrIPmBFu5W+sQZm5GOI3+GYP3XUTw8+3vzQAASBiy+qs/MHNVberzhEI2qIYN/9jgPrQ3b70qDo3+CKTdXxJ7FcAiAlC3jap+mudmuqE/AVyavgtavnK81VDADA7/t69HiMbKMbDKGGNEx4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757949709; c=relaxed/simple; bh=N2l7EUJw3DMPZ6B4oBvn5v+GQZho37KnIG6kgqbk0Lc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mMZb9c/HGoH7cGwYvDv/xkFpYVl0Oi7RsJWYVVMzORXMeu2JrAoKvyDTBTom6ZeMBZ0VwHx6msmW2F889WAKagRm78BVPJWda06bc8EYrlfJBFPxNkZ1/lT1OYhdxx5CNGz0pBIHGdTB0P4MHqWdeZa6lSIzrVk5zwqGy1X/U80= 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=JLF2BXxC; 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="JLF2BXxC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1757949705; bh=N2l7EUJw3DMPZ6B4oBvn5v+GQZho37KnIG6kgqbk0Lc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JLF2BXxCM5lOScvQ4xvfrWBpCn2s/buQK4dBCxFCnYZM1+0XyFhQZuTYtDYWfXfaT u4RW1QKQFR3FmKvoBJZx6eTDkm6BARYA9ZBrJfiaRtQEh8bJ/Oj7+cdsgirSBowGV9 Qynfp3fN9NyNqHTem+R9kGmiK/J0y9UqK/19OOanmEiRZZiKa2ZQ9n/d2l5LZLTsbS J1hHk874UKEbL3i5PHkWbU5cfcwuq+a/0S2fXIbc3tE+Aelsf+ohCLtC/R4NcC+sdp 1O1U26Dx115maAdQQSRTSOsidJiruDeyJPJEPZghHrmhsDH+MroeaM6IWz2dj0Eod1 currPdyOK8QkA== 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 D28BD17E132A; Mon, 15 Sep 2025 17:21:44 +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 Subject: [PATCH v6 19/27] clk: mediatek: Add MT8196 mdpsys clock support Date: Mon, 15 Sep 2025 17:19:39 +0200 Message-Id: <20250915151947.277983-20-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: 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" Add support for the MT8196 mdpsys clock controller, which provides clock gate control for MDP. Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai # CLK_OPS_PARENT_ENABLE remo= val Signed-off-by: Laura Nao --- drivers/clk/mediatek/Kconfig | 7 + drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8196-mdpsys.c | 186 +++++++++++++++++++++++ 3 files changed, 194 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8196-mdpsys.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 8e5cdae80748..68ac08cf8e82 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -1024,6 +1024,13 @@ config COMMON_CLK_MT8196_MCUSYS help This driver supports MediaTek MT8196 mcusys clocks. =20 +config COMMON_CLK_MT8196_MDPSYS + tristate "Clock driver for MediaTek MT8196 mdpsys" + depends on COMMON_CLK_MT8196 + default COMMON_CLK_MT8196 + help + This driver supports MediaTek MT8196 mdpsys clocks. + config COMMON_CLK_MT8196_PEXTPSYS tristate "Clock driver for MediaTek MT8196 pextpsys" depends on COMMON_CLK_MT8196 diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 46358623c3e5..d2d8bc43e45b 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -155,6 +155,7 @@ obj-$(CONFIG_COMMON_CLK_MT8196) +=3D clk-mt8196-apmixed= sys.o clk-mt8196-topckgen.o clk-mt8196-peri_ao.o obj-$(CONFIG_COMMON_CLK_MT8196_IMP_IIC_WRAP) +=3D clk-mt8196-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8196_MCUSYS) +=3D clk-mt8196-mcu.o +obj-$(CONFIG_COMMON_CLK_MT8196_MDPSYS) +=3D clk-mt8196-mdpsys.o obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) +=3D clk-mt8196-pextp.o obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) +=3D clk-mt8196-ufs_ao.o obj-$(CONFIG_COMMON_CLK_MT8365) +=3D clk-mt8365-apmixedsys.o clk-mt8365.o diff --git a/drivers/clk/mediatek/clk-mt8196-mdpsys.c b/drivers/clk/mediate= k/clk-mt8196-mdpsys.c new file mode 100644 index 000000000000..7667d88f0eb0 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-mdpsys.c @@ -0,0 +1,186 @@ +// 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 mdp0_cg_regs =3D { + .set_ofs =3D 0x104, + .clr_ofs =3D 0x108, + .sta_ofs =3D 0x100, +}; + +static const struct mtk_gate_regs mdp1_cg_regs =3D { + .set_ofs =3D 0x114, + .clr_ofs =3D 0x118, + .sta_ofs =3D 0x110, +}; + +static const struct mtk_gate_regs mdp2_cg_regs =3D { + .set_ofs =3D 0x124, + .clr_ofs =3D 0x128, + .sta_ofs =3D 0x120, +}; + +#define GATE_MDP0(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mdp0_cg_regs, \ + .shift =3D _shift, \ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + .ops =3D &mtk_clk_gate_ops_setclr, \ + } + +#define GATE_MDP1(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mdp1_cg_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_ops_setclr, \ + } + +#define GATE_MDP2(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mdp2_cg_regs, \ + .shift =3D _shift, \ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + .ops =3D &mtk_clk_gate_ops_setclr, \ + } + +static const struct mtk_gate mdp1_clks[] =3D { + /* MDP1-0 */ + GATE_MDP0(CLK_MDP1_MDP_MUTEX0, "mdp1_mdp_mutex0", "mdp", 0), + GATE_MDP0(CLK_MDP1_SMI0, "mdp1_smi0", "mdp", 1), + GATE_MDP0(CLK_MDP1_APB_BUS, "mdp1_apb_bus", "mdp", 2), + GATE_MDP0(CLK_MDP1_MDP_RDMA0, "mdp1_mdp_rdma0", "mdp", 3), + GATE_MDP0(CLK_MDP1_MDP_RDMA1, "mdp1_mdp_rdma1", "mdp", 4), + GATE_MDP0(CLK_MDP1_MDP_RDMA2, "mdp1_mdp_rdma2", "mdp", 5), + GATE_MDP0(CLK_MDP1_MDP_BIRSZ0, "mdp1_mdp_birsz0", "mdp", 6), + GATE_MDP0(CLK_MDP1_MDP_HDR0, "mdp1_mdp_hdr0", "mdp", 7), + GATE_MDP0(CLK_MDP1_MDP_AAL0, "mdp1_mdp_aal0", "mdp", 8), + GATE_MDP0(CLK_MDP1_MDP_RSZ0, "mdp1_mdp_rsz0", "mdp", 9), + GATE_MDP0(CLK_MDP1_MDP_RSZ2, "mdp1_mdp_rsz2", "mdp", 10), + GATE_MDP0(CLK_MDP1_MDP_TDSHP0, "mdp1_mdp_tdshp0", "mdp", 11), + GATE_MDP0(CLK_MDP1_MDP_COLOR0, "mdp1_mdp_color0", "mdp", 12), + GATE_MDP0(CLK_MDP1_MDP_WROT0, "mdp1_mdp_wrot0", "mdp", 13), + GATE_MDP0(CLK_MDP1_MDP_WROT1, "mdp1_mdp_wrot1", "mdp", 14), + GATE_MDP0(CLK_MDP1_MDP_WROT2, "mdp1_mdp_wrot2", "mdp", 15), + GATE_MDP0(CLK_MDP1_MDP_FAKE_ENG0, "mdp1_mdp_fake_eng0", "mdp", 16), + GATE_MDP0(CLK_MDP1_APB_DB, "mdp1_apb_db", "mdp", 17), + GATE_MDP0(CLK_MDP1_MDP_DLI_ASYNC0, "mdp1_mdp_dli_async0", "mdp", 18), + GATE_MDP0(CLK_MDP1_MDP_DLI_ASYNC1, "mdp1_mdp_dli_async1", "mdp", 19), + GATE_MDP0(CLK_MDP1_MDP_DLO_ASYNC0, "mdp1_mdp_dlo_async0", "mdp", 20), + GATE_MDP0(CLK_MDP1_MDP_DLO_ASYNC1, "mdp1_mdp_dlo_async1", "mdp", 21), + GATE_MDP0(CLK_MDP1_MDP_DLI_ASYNC2, "mdp1_mdp_dli_async2", "mdp", 22), + GATE_MDP0(CLK_MDP1_MDP_DLO_ASYNC2, "mdp1_mdp_dlo_async2", "mdp", 23), + GATE_MDP0(CLK_MDP1_MDP_DLO_ASYNC3, "mdp1_mdp_dlo_async3", "mdp", 24), + GATE_MDP0(CLK_MDP1_IMG_DL_ASYNC0, "mdp1_img_dl_async0", "mdp", 25), + GATE_MDP0(CLK_MDP1_MDP_RROT0, "mdp1_mdp_rrot0", "mdp", 26), + GATE_MDP0(CLK_MDP1_MDP_MERGE0, "mdp1_mdp_merge0", "mdp", 27), + GATE_MDP0(CLK_MDP1_MDP_C3D0, "mdp1_mdp_c3d0", "mdp", 28), + GATE_MDP0(CLK_MDP1_MDP_FG0, "mdp1_mdp_fg0", "mdp", 29), + GATE_MDP0(CLK_MDP1_MDP_CLA2, "mdp1_mdp_cla2", "mdp", 30), + GATE_MDP0(CLK_MDP1_MDP_DLO_ASYNC4, "mdp1_mdp_dlo_async4", "mdp", 31), + /* MDP1-1 */ + GATE_MDP1(CLK_MDP1_VPP_RSZ0, "mdp1_vpp_rsz0", "mdp", 0), + GATE_MDP1(CLK_MDP1_VPP_RSZ1, "mdp1_vpp_rsz1", "mdp", 1), + GATE_MDP1(CLK_MDP1_MDP_DLO_ASYNC5, "mdp1_mdp_dlo_async5", "mdp", 2), + GATE_MDP1(CLK_MDP1_IMG0, "mdp1_img0", "mdp", 3), + GATE_MDP1(CLK_MDP1_F26M, "mdp1_f26m", "clk26m", 27), + /* MDP1-2 */ + GATE_MDP2(CLK_MDP1_IMG_DL_RELAY0, "mdp1_img_dl_relay0", "mdp", 0), + GATE_MDP2(CLK_MDP1_IMG_DL_RELAY1, "mdp1_img_dl_relay1", "mdp", 8), +}; + +static const struct mtk_clk_desc mdp1_mcd =3D { + .clks =3D mdp1_clks, + .num_clks =3D ARRAY_SIZE(mdp1_clks), + .need_runtime_pm =3D true, +}; + + +static const struct mtk_gate mdp_clks[] =3D { + /* MDP0 */ + GATE_MDP0(CLK_MDP_MDP_MUTEX0, "mdp_mdp_mutex0", "mdp", 0), + GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "mdp", 1), + GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "mdp", 2), + GATE_MDP0(CLK_MDP_MDP_RDMA0, "mdp_mdp_rdma0", "mdp", 3), + GATE_MDP0(CLK_MDP_MDP_RDMA1, "mdp_mdp_rdma1", "mdp", 4), + GATE_MDP0(CLK_MDP_MDP_RDMA2, "mdp_mdp_rdma2", "mdp", 5), + GATE_MDP0(CLK_MDP_MDP_BIRSZ0, "mdp_mdp_birsz0", "mdp", 6), + GATE_MDP0(CLK_MDP_MDP_HDR0, "mdp_mdp_hdr0", "mdp", 7), + GATE_MDP0(CLK_MDP_MDP_AAL0, "mdp_mdp_aal0", "mdp", 8), + GATE_MDP0(CLK_MDP_MDP_RSZ0, "mdp_mdp_rsz0", "mdp", 9), + GATE_MDP0(CLK_MDP_MDP_RSZ2, "mdp_mdp_rsz2", "mdp", 10), + GATE_MDP0(CLK_MDP_MDP_TDSHP0, "mdp_mdp_tdshp0", "mdp", 11), + GATE_MDP0(CLK_MDP_MDP_COLOR0, "mdp_mdp_color0", "mdp", 12), + GATE_MDP0(CLK_MDP_MDP_WROT0, "mdp_mdp_wrot0", "mdp", 13), + GATE_MDP0(CLK_MDP_MDP_WROT1, "mdp_mdp_wrot1", "mdp", 14), + GATE_MDP0(CLK_MDP_MDP_WROT2, "mdp_mdp_wrot2", "mdp", 15), + GATE_MDP0(CLK_MDP_MDP_FAKE_ENG0, "mdp_mdp_fake_eng0", "mdp", 16), + GATE_MDP0(CLK_MDP_APB_DB, "mdp_apb_db", "mdp", 17), + GATE_MDP0(CLK_MDP_MDP_DLI_ASYNC0, "mdp_mdp_dli_async0", "mdp", 18), + GATE_MDP0(CLK_MDP_MDP_DLI_ASYNC1, "mdp_mdp_dli_async1", "mdp", 19), + GATE_MDP0(CLK_MDP_MDP_DLO_ASYNC0, "mdp_mdp_dlo_async0", "mdp", 20), + GATE_MDP0(CLK_MDP_MDP_DLO_ASYNC1, "mdp_mdp_dlo_async1", "mdp", 21), + GATE_MDP0(CLK_MDP_MDP_DLI_ASYNC2, "mdp_mdp_dli_async2", "mdp", 22), + GATE_MDP0(CLK_MDP_MDP_DLO_ASYNC2, "mdp_mdp_dlo_async2", "mdp", 23), + GATE_MDP0(CLK_MDP_MDP_DLO_ASYNC3, "mdp_mdp_dlo_async3", "mdp", 24), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC0, "mdp_img_dl_async0", "mdp", 25), + GATE_MDP0(CLK_MDP_MDP_RROT0, "mdp_mdp_rrot0", "mdp", 26), + GATE_MDP0(CLK_MDP_MDP_MERGE0, "mdp_mdp_merge0", "mdp", 27), + GATE_MDP0(CLK_MDP_MDP_C3D0, "mdp_mdp_c3d0", "mdp", 28), + GATE_MDP0(CLK_MDP_MDP_FG0, "mdp_mdp_fg0", "mdp", 29), + GATE_MDP0(CLK_MDP_MDP_CLA2, "mdp_mdp_cla2", "mdp", 30), + GATE_MDP0(CLK_MDP_MDP_DLO_ASYNC4, "mdp_mdp_dlo_async4", "mdp", 31), + /* MDP1 */ + GATE_MDP1(CLK_MDP_VPP_RSZ0, "mdp_vpp_rsz0", "mdp", 0), + GATE_MDP1(CLK_MDP_VPP_RSZ1, "mdp_vpp_rsz1", "mdp", 1), + GATE_MDP1(CLK_MDP_MDP_DLO_ASYNC5, "mdp_mdp_dlo_async5", "mdp", 2), + GATE_MDP1(CLK_MDP_IMG0, "mdp_img0", "mdp", 3), + GATE_MDP1(CLK_MDP_F26M, "mdp_f26m", "clk26m", 27), + /* MDP2 */ + GATE_MDP2(CLK_MDP_IMG_DL_RELAY0, "mdp_img_dl_relay0", "mdp", 0), + GATE_MDP2(CLK_MDP_IMG_DL_RELAY1, "mdp_img_dl_relay1", "mdp", 8), +}; + +static const struct mtk_clk_desc mdp_mcd =3D { + .clks =3D mdp_clks, + .num_clks =3D ARRAY_SIZE(mdp_clks), + .need_runtime_pm =3D true, +}; + +static const struct of_device_id of_match_clk_mt8196_mdpsys[] =3D { + { .compatible =3D "mediatek,mt8196-mdpsys0", .data =3D &mdp_mcd }, + { .compatible =3D "mediatek,mt8196-mdpsys1", .data =3D &mdp1_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_mdpsys); + +static struct platform_driver clk_mt8196_mdpsys_drv =3D { + .probe =3D mtk_clk_simple_probe, + .remove =3D mtk_clk_simple_remove, + .driver =3D { + .name =3D "clk-mt8196-mdpsys", + .of_match_table =3D of_match_clk_mt8196_mdpsys, + }, +}; +module_platform_driver(clk_mt8196_mdpsys_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 Multimedia Data Path clocks driver"); +MODULE_LICENSE("GPL"); --=20 2.39.5