From nobody Wed Oct 8 22:35:12 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 268722ED172; Tue, 24 Jun 2025 14:34:03 +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=1750775645; cv=none; b=lTvW3pGpJmSQK1JXMjcT4N+HrqyDlqmXXqi8u8sIvGW7BeE+MXFV3yeFXxuC7HOUlIZNPewEq1q/WmCCrtFyk0vShfC2kWgi/4j/2pAaCPmv74Ea3WX77if//QJrOrpfwedgAF685eflBZ05QcQ6tN5QNrB59Sb4X5qvPcKyi34= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750775645; c=relaxed/simple; bh=sZV8OLkqOhbSwuBmWrI1H7PvIwdO/OMqtW7yi/SBd5A=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QdO6cesci0aIWFnSW6trKwX7rntG8WXrQURirXPuX2BWwJfmWn2VIfzErJDLz4k2Vywjh5rp0uZt8HKNk1rQ+6cGqcuw+m8hNXtzSfzzu3Nr4ENvaumjNRSXlOGN4Lz4JLqmk0J8JveKSI5wVwQXw3VGW10Ypbwu2ZyAgG5FVWU= 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=ATYryYk7; 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="ATYryYk7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1750775641; bh=sZV8OLkqOhbSwuBmWrI1H7PvIwdO/OMqtW7yi/SBd5A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ATYryYk7Wp+eL2PiF7E8zgEvn8f5bqLURPkiqcZf6veK8x61ZDQawO7OpMBVNpa4W E7vef97BeeEIE45hG/WeeLjLDdvjBM8tCFAZgfLi1UDxhA8GwdM16OokaxyahGeTyS UhqoHwqbQAoBm7BCPEndClWvruUx+SPbnfu4xARmuU/MlTdBsOiSmtSv+YX/3ul5uM DlynE76EOzXuBtsfhhoMEADN/xu7JOWAP3iJq6uZMFDm9dGBTqBvhPMiRoeS7T0ECf sFXyzgyjiLbl3qIYIeW7wA7+uRloxRLerGK/upkiAPzsXPuuKez+o/E+gfygQG0oob PgzhOFs1NI3pQ== Received: from laura.lan (unknown [IPv6:2001:b07:646b:e2:d2c7:2075:2c3c:38e5]) (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 94FA217E1090; Tue, 24 Jun 2025 16:34:00 +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 v2 23/29] clk: mediatek: Add MT8196 disp0 clock support Date: Tue, 24 Jun 2025 16:32:14 +0200 Message-Id: <20250624143220.244549-24-laura.nao@collabora.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250624143220.244549-1-laura.nao@collabora.com> References: <20250624143220.244549-1-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 disp0 clock controller, which provides clock gate control for the display system. It is integrated with the mtk-mmsys driver, which registers the disp0 clock driver via platform_device_register_data(). 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-disp0.c | 169 ++++++++++++++++++++++++ 3 files changed, 177 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8196-disp0.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 9735f37f1e09..6bcefb782b9c 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -1103,6 +1103,13 @@ config COMMON_CLK_MT8196_MFGCFG help This driver supports MediaTek MT8196 mfgcfg clocks. =20 +config COMMON_CLK_MT8196_MMSYS + tristate "Clock driver for MediaTek MT8196 mmsys" + depends on COMMON_CLK_MT8196 + default m + help + This driver supports MediaTek MT8196 mmsys 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 31436c8e2a80..eacaec3d61ce 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -168,6 +168,7 @@ 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-$(CONFIG_COMMON_CLK_MT8196_MMSYS) +=3D clk-mt8196-disp0.o obj-$(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-disp0.c b/drivers/clk/mediatek= /clk-mt8196-disp0.c new file mode 100644 index 000000000000..ed74b6e3103f --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-disp0.c @@ -0,0 +1,169 @@ +// 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 mm0_cg_regs =3D { + .set_ofs =3D 0x104, + .clr_ofs =3D 0x108, + .sta_ofs =3D 0x100, +}; + +static const struct mtk_gate_regs mm0_hwv_regs =3D { + .set_ofs =3D 0x0020, + .clr_ofs =3D 0x0024, + .sta_ofs =3D 0x2c10, +}; + +static const struct mtk_gate_regs mm1_cg_regs =3D { + .set_ofs =3D 0x114, + .clr_ofs =3D 0x118, + .sta_ofs =3D 0x110, +}; + +static const struct mtk_gate_regs mm1_hwv_regs =3D { + .set_ofs =3D 0x0028, + .clr_ofs =3D 0x002c, + .sta_ofs =3D 0x2c14, +}; + +#define GATE_MM0(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mm0_cg_regs, \ + .shift =3D _shift, \ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + .ops =3D &mtk_clk_gate_ops_setclr,\ + } + +#define GATE_HWV_MM0(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mm0_cg_regs, \ + .hwv_regs =3D &mm0_hwv_regs, \ + .shift =3D _shift, \ + .ops =3D &mtk_clk_gate_hwv_ops_setclr, \ + .flags =3D CLK_OPS_PARENT_ENABLE \ + } + +#define GATE_MM1(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mm1_cg_regs, \ + .shift =3D _shift, \ + .flags =3D CLK_OPS_PARENT_ENABLE, \ + .ops =3D &mtk_clk_gate_ops_setclr,\ + } + +#define GATE_HWV_MM1(_id, _name, _parent, _shift) { \ + .id =3D _id, \ + .name =3D _name, \ + .parent_name =3D _parent, \ + .regs =3D &mm1_cg_regs, \ + .hwv_regs =3D &mm1_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_clks[] =3D { + /* MM0 */ + GATE_HWV_MM0(CLK_MM_CONFIG, "mm_config", "disp", 0), + GATE_HWV_MM0(CLK_MM_DISP_MUTEX0, "mm_disp_mutex0", "disp", 1), + GATE_HWV_MM0(CLK_MM_DISP_AAL0, "mm_disp_aal0", "disp", 2), + GATE_HWV_MM0(CLK_MM_DISP_AAL1, "mm_disp_aal1", "disp", 3), + GATE_MM0(CLK_MM_DISP_C3D0, "mm_disp_c3d0", "disp", 4), + GATE_MM0(CLK_MM_DISP_C3D1, "mm_disp_c3d1", "disp", 5), + GATE_MM0(CLK_MM_DISP_C3D2, "mm_disp_c3d2", "disp", 6), + GATE_MM0(CLK_MM_DISP_C3D3, "mm_disp_c3d3", "disp", 7), + GATE_MM0(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "disp", 8), + GATE_MM0(CLK_MM_DISP_CCORR1, "mm_disp_ccorr1", "disp", 9), + GATE_MM0(CLK_MM_DISP_CCORR2, "mm_disp_ccorr2", "disp", 10), + GATE_MM0(CLK_MM_DISP_CCORR3, "mm_disp_ccorr3", "disp", 11), + GATE_MM0(CLK_MM_DISP_CHIST0, "mm_disp_chist0", "disp", 12), + GATE_MM0(CLK_MM_DISP_CHIST1, "mm_disp_chist1", "disp", 13), + GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "disp", 14), + GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "disp", 15), + GATE_MM0(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "disp", 16), + GATE_MM0(CLK_MM_DISP_DITHER1, "mm_disp_dither1", "disp", 17), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC0, "mm_disp_dli_async0", "disp", 18), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC1, "mm_disp_dli_async1", "disp", 19), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC2, "mm_disp_dli_async2", "disp", 20), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC3, "mm_disp_dli_async3", "disp", 21), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC4, "mm_disp_dli_async4", "disp", 22), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC5, "mm_disp_dli_async5", "disp", 23), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC6, "mm_disp_dli_async6", "disp", 24), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC7, "mm_disp_dli_async7", "disp", 25), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC8, "mm_disp_dli_async8", "disp", 26), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC9, "mm_disp_dli_async9", "disp", 27), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC10, "mm_disp_dli_async10", "disp", 28), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC11, "mm_disp_dli_async11", "disp", 29), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC12, "mm_disp_dli_async12", "disp", 30), + GATE_HWV_MM0(CLK_MM_DISP_DLI_ASYNC13, "mm_disp_dli_async13", "disp", 31), + /* MM1 */ + GATE_HWV_MM1(CLK_MM_DISP_DLI_ASYNC14, "mm_disp_dli_async14", "disp", 0), + GATE_HWV_MM1(CLK_MM_DISP_DLI_ASYNC15, "mm_disp_dli_async15", "disp", 1), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC0, "mm_disp_dlo_async0", "disp", 2), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC1, "mm_disp_dlo_async1", "disp", 3), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC2, "mm_disp_dlo_async2", "disp", 4), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC3, "mm_disp_dlo_async3", "disp", 5), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC4, "mm_disp_dlo_async4", "disp", 6), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC5, "mm_disp_dlo_async5", "disp", 7), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC6, "mm_disp_dlo_async6", "disp", 8), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC7, "mm_disp_dlo_async7", "disp", 9), + GATE_HWV_MM1(CLK_MM_DISP_DLO_ASYNC8, "mm_disp_dlo_async8", "disp", 10), + GATE_MM1(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "disp", 11), + GATE_MM1(CLK_MM_DISP_GAMMA1, "mm_disp_gamma1", "disp", 12), + GATE_MM1(CLK_MM_MDP_AAL0, "mm_mdp_aal0", "disp", 13), + GATE_MM1(CLK_MM_MDP_AAL1, "mm_mdp_aal1", "disp", 14), + GATE_HWV_MM1(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "disp", 15), + GATE_HWV_MM1(CLK_MM_DISP_POSTMASK0, "mm_disp_postmask0", "disp", 16), + GATE_HWV_MM1(CLK_MM_DISP_POSTMASK1, "mm_disp_postmask1", "disp", 17), + GATE_HWV_MM1(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "disp", 18), + GATE_HWV_MM1(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "disp", 19), + GATE_HWV_MM1(CLK_MM_DISP_SPR0, "mm_disp_spr0", "disp", 20), + GATE_MM1(CLK_MM_DISP_TDSHP0, "mm_disp_tdshp0", "disp", 21), + GATE_MM1(CLK_MM_DISP_TDSHP1, "mm_disp_tdshp1", "disp", 22), + GATE_HWV_MM1(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "disp", 23), + GATE_HWV_MM1(CLK_MM_DISP_Y2R0, "mm_disp_y2r0", "disp", 24), + GATE_HWV_MM1(CLK_MM_SMI_SUB_COMM0, "mm_ssc", "disp", 25), + GATE_HWV_MM1(CLK_MM_DISP_FAKE_ENG0, "mm_disp_fake_eng0", "disp", 26), +}; + +static const struct mtk_clk_desc mm_mcd =3D { + .clks =3D mm_clks, + .num_clks =3D ARRAY_SIZE(mm_clks), +}; + +static const struct platform_device_id clk_mt8196_disp0_id_table[] =3D { + { .name =3D "clk-mt8196-disp0", .driver_data =3D (kernel_ulong_t)&mm_mcd = }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, clk_mt8196_disp0_id_table); + +static struct platform_driver clk_mt8196_disp0_drv =3D { + .probe =3D mtk_clk_pdev_probe, + .remove =3D mtk_clk_pdev_remove, + .driver =3D { + .name =3D "clk-mt8196-disp0", + }, + .id_table =3D clk_mt8196_disp0_id_table, +}; +module_platform_driver(clk_mt8196_disp0_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 disp0 clocks driver"); +MODULE_LICENSE("GPL"); --=20 2.39.5