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Mon, 15 Sep 2025 17:21:47 +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 21/27] clk: mediatek: Add MT8196 disp0 clock support Date: Mon, 15 Sep 2025 17:19:41 +0200 Message-Id: <20250915151947.277983-22-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> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250915_162152_685593_2F999784 X-CRM114-Status: GOOD ( 16.82 ) 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 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: 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-disp0.c | 170 ++++++++++++++++++++++++ 3 files changed, 178 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8196-disp0.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 1990721ec418..77e18bceae91 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -1038,6 +1038,13 @@ config COMMON_CLK_MT8196_MFGCFG help This driver supports MediaTek MT8196 mfgcfg clocks. +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 0040a3968858..a8c681f9fe64 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -157,6 +157,7 @@ obj-$(CONFIG_COMMON_CLK_MT8196_IMP_IIC_WRAP) += clk-mt8196-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8196_MCUSYS) += clk-mt8196-mcu.o obj-$(CONFIG_COMMON_CLK_MT8196_MDPSYS) += clk-mt8196-mdpsys.o obj-$(CONFIG_COMMON_CLK_MT8196_MFGCFG) += clk-mt8196-mfg.o +obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) += clk-mt8196-pextp.o obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) += clk-mt8196-ufs_ao.o obj-$(CONFIG_COMMON_CLK_MT8365) += 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..9474aad26e92 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-disp0.c @@ -0,0 +1,170 @@ +// 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 = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs mm0_hwv_regs = { + .set_ofs = 0x0020, + .clr_ofs = 0x0024, + .sta_ofs = 0x2c10, +}; + +static const struct mtk_gate_regs mm1_cg_regs = { + .set_ofs = 0x114, + .clr_ofs = 0x118, + .sta_ofs = 0x110, +}; + +static const struct mtk_gate_regs mm1_hwv_regs = { + .set_ofs = 0x0028, + .clr_ofs = 0x002c, + .sta_ofs = 0x2c14, +}; + +#define GATE_MM0(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm0_cg_regs, \ + .shift = _shift, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + .ops = &mtk_clk_gate_ops_setclr,\ + } + +#define GATE_HWV_MM0(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm0_cg_regs, \ + .hwv_regs = &mm0_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE \ + } + +#define GATE_MM1(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm1_cg_regs, \ + .shift = _shift, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + .ops = &mtk_clk_gate_ops_setclr,\ + } + +#define GATE_HWV_MM1(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm1_cg_regs, \ + .hwv_regs = &mm1_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +static const struct mtk_gate mm_clks[] = { + /* 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 = { + .clks = mm_clks, + .num_clks = ARRAY_SIZE(mm_clks), +}; + +static const struct platform_device_id clk_mt8196_disp0_id_table[] = { + { .name = "clk-mt8196-disp0", .driver_data = (kernel_ulong_t)&mm_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, clk_mt8196_disp0_id_table); + +static struct platform_driver clk_mt8196_disp0_drv = { + .probe = mtk_clk_pdev_probe, + .remove = mtk_clk_pdev_remove, + .driver = { + .name = "clk-mt8196-disp0", + }, + .id_table = clk_mt8196_disp0_id_table, +}; +module_platform_driver(clk_mt8196_disp0_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 disp0 clocks driver"); +MODULE_LICENSE("GPL"); -- 2.39.5