From nobody Sun Oct 5 12:49:53 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 823AA286425; Tue, 5 Aug 2025 13:56:07 +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=1754402170; cv=none; b=mahsKggvyzRP2S7U2FKNID/uUlVP4oasjaZfk1Av0M9ZP/IAeXKT/t0ZM0wGGamjRVP4o+NVQbI7k680DGMWjNzV83P/iwdCTexZbi5ZSppMcpIzhGKAidqUdHW8Op2wjFXk54jSxjb8F7jQ9H+6245Q9t4vJBQ7y9epL0J39lg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754402170; c=relaxed/simple; bh=FXzaaO6lTpSbFzSsO52+Pp2g1RM4eg/ImwJVomT6YXM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=iYOGdhA3t+7G6SS+7RKfKSxbpuGl7l4SpHsxbM5dztNsC4bapvFNyFeEnixZdloE1bZyCW1VL3mFSlaSOSZQo8eO/dMHBOyvlWysvFuC3uDTq8tMST/1dgb5+tbqnHTyzNnZHKlukfvULC4Fasfmp6vvhAPeh0dlavj/y1dH774= 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=qPYNmVDN; 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="qPYNmVDN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1754402165; bh=FXzaaO6lTpSbFzSsO52+Pp2g1RM4eg/ImwJVomT6YXM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qPYNmVDNr2gGGmqNOmfbNyxrsaRZq4+e4uYt8UpTsjXYmLphHqDspv58OFv3sSFxw H5zBWgeYxDUN1qIi21vtWw+8ShFAWrgEo3WE5QU+2agGOAAHswlyJ79ogr9Oe01wAb bnfn8rS18fE0Mpy43jvhjJEZBtLfmpmhZS94NXTa7PysiYjwqf+Z108T8885+mg1Lr AibBzf4FoqEbg8f5/6Aev/UG3PmFBJ1wfXyhDK5caIeIpG1CrGOXRv7BLgctWoucl3 VG5yAzOX9Q0ZLp4e8YTybu6ZbESUzPED/zUlykOyADBcFt02ToJIN3mYwTl0Z3NZrA n0alHYY6nXxfw== Received: from laura.lan (unknown [IPv6:2001:b07:646b:e2:1976:d3fe:e682:e398]) (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 E95F917E0506; Tue, 5 Aug 2025 15:56:04 +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 v4 23/27] clk: mediatek: Add MT8196 disp-ao clock support Date: Tue, 5 Aug 2025 15:54:43 +0200 Message-Id: <20250805135447.149231-24-laura.nao@collabora.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250805135447.149231-1-laura.nao@collabora.com> References: <20250805135447.149231-1-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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Add support for the MT8196 disp-ao clock controller, which provides clock gate control for the display system. It is integrated with the mtk-mmsys driver, which registers the disp-ao clock driver via platform_device_register_data(). Reviewed-by: N=C3=ADcolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Laura Nao --- drivers/clk/mediatek/Makefile | 2 +- drivers/clk/mediatek/clk-mt8196-vdisp_ao.c | 79 ++++++++++++++++++++++ 2 files changed, 80 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8196-vdisp_ao.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index fe5699411d8b..5b8969ff1985 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -157,7 +157,7 @@ obj-$(CONFIG_COMMON_CLK_MT8196_IMP_IIC_WRAP) +=3D clk-m= t8196-imp_iic_wrap.o obj-$(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_MFGCFG) +=3D clk-mt8196-mfg.o -obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) +=3D clk-mt8196-disp0.o clk-mt8196-d= isp1.o +obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) +=3D clk-mt8196-disp0.o clk-mt8196-d= isp1.o clk-mt8196-vdisp_ao.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-vdisp_ao.c b/drivers/clk/media= tek/clk-mt8196-vdisp_ao.c new file mode 100644 index 000000000000..b4708f34ccdb --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-vdisp_ao.c @@ -0,0 +1,79 @@ +// 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 mm_v_cg_regs =3D { + .set_ofs =3D 0x104, + .clr_ofs =3D 0x108, + .sta_ofs =3D 0x100, +}; + +static const struct mtk_gate_regs mm_v_hwv_regs =3D { + .set_ofs =3D 0x0030, + .clr_ofs =3D 0x0034, + .sta_ofs =3D 0x2c18, +}; + +#define GATE_MM_AO_V(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mm_v_cg_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_ops_setclr, \ + .flags =3D CLK_OPS_PARENT_ENABLE | \ + CLK_IS_CRITICAL, \ + } + +#define GATE_HWV_MM_V(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mm_v_cg_regs, \ + .hwv_regs =3D &mm_v_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr, \ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + } + +static const struct mtk_gate mm_v_clks[] =3D { + GATE_HWV_MM_V(CLK_MM_V_DISP_VDISP_AO_CONFIG, "mm_v_disp_vdisp_ao_config",= "disp", 0), + GATE_HWV_MM_V(CLK_MM_V_DISP_DPC, "mm_v_disp_dpc", "disp", 16), + GATE_MM_AO_V(CLK_MM_V_SMI_SUB_SOMM0, "mm_v_smi_sub_somm0", "disp", 2), +}; + +static const struct mtk_clk_desc mm_v_mcd =3D { + .clks =3D mm_v_clks, + .num_clks =3D ARRAY_SIZE(mm_v_clks), +}; + +static const struct of_device_id of_match_clk_mt8196_vdisp_ao[] =3D { + { .compatible =3D "mediatek,mt8196-vdisp-ao", .data =3D &mm_v_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_vdisp_ao); + +static struct platform_driver clk_mt8196_vdisp_ao_drv =3D { + .probe =3D mtk_clk_pdev_probe, + .remove =3D mtk_clk_pdev_remove, + .driver =3D { + .name =3D "clk-mt8196-vdisp-ao", + .of_match_table =3D of_match_clk_mt8196_vdisp_ao, + }, +}; +module_platform_driver(clk_mt8196_vdisp_ao_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 vdisp_ao clocks driver"); +MODULE_LICENSE("GPL"); --=20 2.39.5