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Mon, 15 Sep 2025 17:21:50 +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 24/27] clk: mediatek: Add MT8196 ovl0 clock support Date: Mon, 15 Sep 2025 17:19:44 +0200 Message-Id: <20250915151947.277983-25-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_162153_238716_AF41253F X-CRM114-Status: GOOD ( 16.42 ) 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 ovl0 clock controller, which provides clock gate control for the display system. It is integrated with the mtk-mmsys driver, which registers the ovl0 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/Makefile | 3 +- drivers/clk/mediatek/clk-mt8196-ovl0.c | 154 +++++++++++++++++++++++++ 2 files changed, 156 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8196-ovl0.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 5b8969ff1985..f42e29fcb19a 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -157,7 +157,8 @@ 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-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o clk-mt8196-disp1.o clk-mt8196-vdisp_ao.o +obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o clk-mt8196-disp1.o clk-mt8196-vdisp_ao.o \ + clk-mt8196-ovl0.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-ovl0.c b/drivers/clk/mediatek/clk-mt8196-ovl0.c new file mode 100644 index 000000000000..d4affd14d2c4 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-ovl0.c @@ -0,0 +1,154 @@ +// 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 ovl0_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs ovl0_hwv_regs = { + .set_ofs = 0x0060, + .clr_ofs = 0x0064, + .sta_ofs = 0x2c30, +}; + +static const struct mtk_gate_regs ovl1_cg_regs = { + .set_ofs = 0x114, + .clr_ofs = 0x118, + .sta_ofs = 0x110, +}; + +static const struct mtk_gate_regs ovl1_hwv_regs = { + .set_ofs = 0x0068, + .clr_ofs = 0x006c, + .sta_ofs = 0x2c34, +}; + +#define GATE_HWV_OVL0(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ovl0_cg_regs, \ + .hwv_regs = &ovl0_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_HWV_OVL1(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &ovl1_cg_regs, \ + .hwv_regs = &ovl1_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +static const struct mtk_gate ovl_clks[] = { + /* OVL0 */ + GATE_HWV_OVL0(CLK_OVLSYS_CONFIG, "ovlsys_config", "disp", 0), + GATE_HWV_OVL0(CLK_OVL_FAKE_ENG0, "ovl_fake_eng0", "disp", 1), + GATE_HWV_OVL0(CLK_OVL_FAKE_ENG1, "ovl_fake_eng1", "disp", 2), + GATE_HWV_OVL0(CLK_OVL_MUTEX0, "ovl_mutex0", "disp", 3), + GATE_HWV_OVL0(CLK_OVL_EXDMA0, "ovl_exdma0", "disp", 4), + GATE_HWV_OVL0(CLK_OVL_EXDMA1, "ovl_exdma1", "disp", 5), + GATE_HWV_OVL0(CLK_OVL_EXDMA2, "ovl_exdma2", "disp", 6), + GATE_HWV_OVL0(CLK_OVL_EXDMA3, "ovl_exdma3", "disp", 7), + GATE_HWV_OVL0(CLK_OVL_EXDMA4, "ovl_exdma4", "disp", 8), + GATE_HWV_OVL0(CLK_OVL_EXDMA5, "ovl_exdma5", "disp", 9), + GATE_HWV_OVL0(CLK_OVL_EXDMA6, "ovl_exdma6", "disp", 10), + GATE_HWV_OVL0(CLK_OVL_EXDMA7, "ovl_exdma7", "disp", 11), + GATE_HWV_OVL0(CLK_OVL_EXDMA8, "ovl_exdma8", "disp", 12), + GATE_HWV_OVL0(CLK_OVL_EXDMA9, "ovl_exdma9", "disp", 13), + GATE_HWV_OVL0(CLK_OVL_BLENDER0, "ovl_blender0", "disp", 14), + GATE_HWV_OVL0(CLK_OVL_BLENDER1, "ovl_blender1", "disp", 15), + GATE_HWV_OVL0(CLK_OVL_BLENDER2, "ovl_blender2", "disp", 16), + GATE_HWV_OVL0(CLK_OVL_BLENDER3, "ovl_blender3", "disp", 17), + GATE_HWV_OVL0(CLK_OVL_BLENDER4, "ovl_blender4", "disp", 18), + GATE_HWV_OVL0(CLK_OVL_BLENDER5, "ovl_blender5", "disp", 19), + GATE_HWV_OVL0(CLK_OVL_BLENDER6, "ovl_blender6", "disp", 20), + GATE_HWV_OVL0(CLK_OVL_BLENDER7, "ovl_blender7", "disp", 21), + GATE_HWV_OVL0(CLK_OVL_BLENDER8, "ovl_blender8", "disp", 22), + GATE_HWV_OVL0(CLK_OVL_BLENDER9, "ovl_blender9", "disp", 23), + GATE_HWV_OVL0(CLK_OVL_OUTPROC0, "ovl_outproc0", "disp", 24), + GATE_HWV_OVL0(CLK_OVL_OUTPROC1, "ovl_outproc1", "disp", 25), + GATE_HWV_OVL0(CLK_OVL_OUTPROC2, "ovl_outproc2", "disp", 26), + GATE_HWV_OVL0(CLK_OVL_OUTPROC3, "ovl_outproc3", "disp", 27), + GATE_HWV_OVL0(CLK_OVL_OUTPROC4, "ovl_outproc4", "disp", 28), + GATE_HWV_OVL0(CLK_OVL_OUTPROC5, "ovl_outproc5", "disp", 29), + GATE_HWV_OVL0(CLK_OVL_MDP_RSZ0, "ovl_mdp_rsz0", "disp", 30), + GATE_HWV_OVL0(CLK_OVL_MDP_RSZ1, "ovl_mdp_rsz1", "disp", 31), + /* OVL1 */ + GATE_HWV_OVL1(CLK_OVL_DISP_WDMA0, "ovl_disp_wdma0", "disp", 0), + GATE_HWV_OVL1(CLK_OVL_DISP_WDMA1, "ovl_disp_wdma1", "disp", 1), + GATE_HWV_OVL1(CLK_OVL_UFBC_WDMA0, "ovl_ufbc_wdma0", "disp", 2), + GATE_HWV_OVL1(CLK_OVL_MDP_RDMA0, "ovl_mdp_rdma0", "disp", 3), + GATE_HWV_OVL1(CLK_OVL_MDP_RDMA1, "ovl_mdp_rdma1", "disp", 4), + GATE_HWV_OVL1(CLK_OVL_BWM0, "ovl_bwm0", "disp", 5), + GATE_HWV_OVL1(CLK_OVL_DLI0, "ovl_dli0", "disp", 6), + GATE_HWV_OVL1(CLK_OVL_DLI1, "ovl_dli1", "disp", 7), + GATE_HWV_OVL1(CLK_OVL_DLI2, "ovl_dli2", "disp", 8), + GATE_HWV_OVL1(CLK_OVL_DLI3, "ovl_dli3", "disp", 9), + GATE_HWV_OVL1(CLK_OVL_DLI4, "ovl_dli4", "disp", 10), + GATE_HWV_OVL1(CLK_OVL_DLI5, "ovl_dli5", "disp", 11), + GATE_HWV_OVL1(CLK_OVL_DLI6, "ovl_dli6", "disp", 12), + GATE_HWV_OVL1(CLK_OVL_DLI7, "ovl_dli7", "disp", 13), + GATE_HWV_OVL1(CLK_OVL_DLI8, "ovl_dli8", "disp", 14), + GATE_HWV_OVL1(CLK_OVL_DLO0, "ovl_dlo0", "disp", 15), + GATE_HWV_OVL1(CLK_OVL_DLO1, "ovl_dlo1", "disp", 16), + GATE_HWV_OVL1(CLK_OVL_DLO2, "ovl_dlo2", "disp", 17), + GATE_HWV_OVL1(CLK_OVL_DLO3, "ovl_dlo3", "disp", 18), + GATE_HWV_OVL1(CLK_OVL_DLO4, "ovl_dlo4", "disp", 19), + GATE_HWV_OVL1(CLK_OVL_DLO5, "ovl_dlo5", "disp", 20), + GATE_HWV_OVL1(CLK_OVL_DLO6, "ovl_dlo6", "disp", 21), + GATE_HWV_OVL1(CLK_OVL_DLO7, "ovl_dlo7", "disp", 22), + GATE_HWV_OVL1(CLK_OVL_DLO8, "ovl_dlo8", "disp", 23), + GATE_HWV_OVL1(CLK_OVL_DLO9, "ovl_dlo9", "disp", 24), + GATE_HWV_OVL1(CLK_OVL_DLO10, "ovl_dlo10", "disp", 25), + GATE_HWV_OVL1(CLK_OVL_DLO11, "ovl_dlo11", "disp", 26), + GATE_HWV_OVL1(CLK_OVL_DLO12, "ovl_dlo12", "disp", 27), + GATE_HWV_OVL1(CLK_OVLSYS_RELAY0, "ovlsys_relay0", "disp", 28), + GATE_HWV_OVL1(CLK_OVL_INLINEROT0, "ovl_inlinerot0", "disp", 29), + GATE_HWV_OVL1(CLK_OVL_SMI, "ovl_smi", "disp", 30), +}; + +static const struct mtk_clk_desc ovl_mcd = { + .clks = ovl_clks, + .num_clks = ARRAY_SIZE(ovl_clks), +}; + +static const struct platform_device_id clk_mt8196_ovl0_id_table[] = { + { .name = "clk-mt8196-ovl0", .driver_data = (kernel_ulong_t)&ovl_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, clk_mt8196_ovl0_id_table); + +static struct platform_driver clk_mt8196_ovl0_drv = { + .probe = mtk_clk_pdev_probe, + .remove = mtk_clk_pdev_remove, + .driver = { + .name = "clk-mt8196-ovl0", + }, + .id_table = clk_mt8196_ovl0_id_table, +}; +module_platform_driver(clk_mt8196_ovl0_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 ovl0 clocks driver"); +MODULE_LICENSE("GPL"); -- 2.39.5