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clk: mediatek: Add MT8196 ovl1 clock support

Add support for the MT8196 ovl1 clock controller, which provides clock
gate control for the display system. It is integrated with the mtk-mmsys
driver, which registers the ovl1 clock driver via
platform_device_register_data().

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

authored by

Laura Nao and committed by
Stephen Boyd
1a7f3d32 e4be40b9

+155 -1
+1 -1
drivers/clk/mediatek/Makefile
··· 158 158 obj-$(CONFIG_COMMON_CLK_MT8196_MDPSYS) += clk-mt8196-mdpsys.o 159 159 obj-$(CONFIG_COMMON_CLK_MT8196_MFGCFG) += clk-mt8196-mfg.o 160 160 obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o clk-mt8196-disp1.o clk-mt8196-vdisp_ao.o \ 161 - clk-mt8196-ovl0.o 161 + clk-mt8196-ovl0.o clk-mt8196-ovl1.o 162 162 obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) += clk-mt8196-pextp.o 163 163 obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) += clk-mt8196-ufs_ao.o 164 164 obj-$(CONFIG_COMMON_CLK_MT8365) += clk-mt8365-apmixedsys.o clk-mt8365.o
+154
drivers/clk/mediatek/clk-mt8196-ovl1.c
··· 1 + // SPDX-License-Identifier: GPL-2.0-only 2 + /* 3 + * Copyright (c) 2025 MediaTek Inc. 4 + * Guangjie Song <guangjie.song@mediatek.com> 5 + * Copyright (c) 2025 Collabora Ltd. 6 + * Laura Nao <laura.nao@collabora.com> 7 + */ 8 + #include <dt-bindings/clock/mediatek,mt8196-clock.h> 9 + 10 + #include <linux/clk-provider.h> 11 + #include <linux/module.h> 12 + #include <linux/of_device.h> 13 + #include <linux/platform_device.h> 14 + 15 + #include "clk-gate.h" 16 + #include "clk-mtk.h" 17 + 18 + static const struct mtk_gate_regs ovl10_cg_regs = { 19 + .set_ofs = 0x104, 20 + .clr_ofs = 0x108, 21 + .sta_ofs = 0x100, 22 + }; 23 + 24 + static const struct mtk_gate_regs ovl10_hwv_regs = { 25 + .set_ofs = 0x0050, 26 + .clr_ofs = 0x0054, 27 + .sta_ofs = 0x2c28, 28 + }; 29 + 30 + static const struct mtk_gate_regs ovl11_cg_regs = { 31 + .set_ofs = 0x114, 32 + .clr_ofs = 0x118, 33 + .sta_ofs = 0x110, 34 + }; 35 + 36 + static const struct mtk_gate_regs ovl11_hwv_regs = { 37 + .set_ofs = 0x0058, 38 + .clr_ofs = 0x005c, 39 + .sta_ofs = 0x2c2c, 40 + }; 41 + 42 + #define GATE_HWV_OVL10(_id, _name, _parent, _shift) { \ 43 + .id = _id, \ 44 + .name = _name, \ 45 + .parent_name = _parent, \ 46 + .regs = &ovl10_cg_regs, \ 47 + .hwv_regs = &ovl10_hwv_regs, \ 48 + .shift = _shift, \ 49 + .ops = &mtk_clk_gate_hwv_ops_setclr, \ 50 + .flags = CLK_OPS_PARENT_ENABLE, \ 51 + } 52 + 53 + #define GATE_HWV_OVL11(_id, _name, _parent, _shift) { \ 54 + .id = _id, \ 55 + .name = _name, \ 56 + .parent_name = _parent, \ 57 + .regs = &ovl11_cg_regs, \ 58 + .hwv_regs = &ovl11_hwv_regs, \ 59 + .shift = _shift, \ 60 + .ops = &mtk_clk_gate_hwv_ops_setclr, \ 61 + .flags = CLK_OPS_PARENT_ENABLE, \ 62 + } 63 + 64 + static const struct mtk_gate ovl1_clks[] = { 65 + /* OVL10 */ 66 + GATE_HWV_OVL10(CLK_OVL1_OVLSYS_CONFIG, "ovl1_ovlsys_config", "disp", 0), 67 + GATE_HWV_OVL10(CLK_OVL1_OVL_FAKE_ENG0, "ovl1_ovl_fake_eng0", "disp", 1), 68 + GATE_HWV_OVL10(CLK_OVL1_OVL_FAKE_ENG1, "ovl1_ovl_fake_eng1", "disp", 2), 69 + GATE_HWV_OVL10(CLK_OVL1_OVL_MUTEX0, "ovl1_ovl_mutex0", "disp", 3), 70 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA0, "ovl1_ovl_exdma0", "disp", 4), 71 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA1, "ovl1_ovl_exdma1", "disp", 5), 72 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA2, "ovl1_ovl_exdma2", "disp", 6), 73 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA3, "ovl1_ovl_exdma3", "disp", 7), 74 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA4, "ovl1_ovl_exdma4", "disp", 8), 75 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA5, "ovl1_ovl_exdma5", "disp", 9), 76 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA6, "ovl1_ovl_exdma6", "disp", 10), 77 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA7, "ovl1_ovl_exdma7", "disp", 11), 78 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA8, "ovl1_ovl_exdma8", "disp", 12), 79 + GATE_HWV_OVL10(CLK_OVL1_OVL_EXDMA9, "ovl1_ovl_exdma9", "disp", 13), 80 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER0, "ovl1_ovl_blender0", "disp", 14), 81 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER1, "ovl1_ovl_blender1", "disp", 15), 82 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER2, "ovl1_ovl_blender2", "disp", 16), 83 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER3, "ovl1_ovl_blender3", "disp", 17), 84 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER4, "ovl1_ovl_blender4", "disp", 18), 85 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER5, "ovl1_ovl_blender5", "disp", 19), 86 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER6, "ovl1_ovl_blender6", "disp", 20), 87 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER7, "ovl1_ovl_blender7", "disp", 21), 88 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER8, "ovl1_ovl_blender8", "disp", 22), 89 + GATE_HWV_OVL10(CLK_OVL1_OVL_BLENDER9, "ovl1_ovl_blender9", "disp", 23), 90 + GATE_HWV_OVL10(CLK_OVL1_OVL_OUTPROC0, "ovl1_ovl_outproc0", "disp", 24), 91 + GATE_HWV_OVL10(CLK_OVL1_OVL_OUTPROC1, "ovl1_ovl_outproc1", "disp", 25), 92 + GATE_HWV_OVL10(CLK_OVL1_OVL_OUTPROC2, "ovl1_ovl_outproc2", "disp", 26), 93 + GATE_HWV_OVL10(CLK_OVL1_OVL_OUTPROC3, "ovl1_ovl_outproc3", "disp", 27), 94 + GATE_HWV_OVL10(CLK_OVL1_OVL_OUTPROC4, "ovl1_ovl_outproc4", "disp", 28), 95 + GATE_HWV_OVL10(CLK_OVL1_OVL_OUTPROC5, "ovl1_ovl_outproc5", "disp", 29), 96 + GATE_HWV_OVL10(CLK_OVL1_OVL_MDP_RSZ0, "ovl1_ovl_mdp_rsz0", "disp", 30), 97 + GATE_HWV_OVL10(CLK_OVL1_OVL_MDP_RSZ1, "ovl1_ovl_mdp_rsz1", "disp", 31), 98 + /* OVL11 */ 99 + GATE_HWV_OVL11(CLK_OVL1_OVL_DISP_WDMA0, "ovl1_ovl_disp_wdma0", "disp", 0), 100 + GATE_HWV_OVL11(CLK_OVL1_OVL_DISP_WDMA1, "ovl1_ovl_disp_wdma1", "disp", 1), 101 + GATE_HWV_OVL11(CLK_OVL1_OVL_UFBC_WDMA0, "ovl1_ovl_ufbc_wdma0", "disp", 2), 102 + GATE_HWV_OVL11(CLK_OVL1_OVL_MDP_RDMA0, "ovl1_ovl_mdp_rdma0", "disp", 3), 103 + GATE_HWV_OVL11(CLK_OVL1_OVL_MDP_RDMA1, "ovl1_ovl_mdp_rdma1", "disp", 4), 104 + GATE_HWV_OVL11(CLK_OVL1_OVL_BWM0, "ovl1_ovl_bwm0", "disp", 5), 105 + GATE_HWV_OVL11(CLK_OVL1_DLI0, "ovl1_dli0", "disp", 6), 106 + GATE_HWV_OVL11(CLK_OVL1_DLI1, "ovl1_dli1", "disp", 7), 107 + GATE_HWV_OVL11(CLK_OVL1_DLI2, "ovl1_dli2", "disp", 8), 108 + GATE_HWV_OVL11(CLK_OVL1_DLI3, "ovl1_dli3", "disp", 9), 109 + GATE_HWV_OVL11(CLK_OVL1_DLI4, "ovl1_dli4", "disp", 10), 110 + GATE_HWV_OVL11(CLK_OVL1_DLI5, "ovl1_dli5", "disp", 11), 111 + GATE_HWV_OVL11(CLK_OVL1_DLI6, "ovl1_dli6", "disp", 12), 112 + GATE_HWV_OVL11(CLK_OVL1_DLI7, "ovl1_dli7", "disp", 13), 113 + GATE_HWV_OVL11(CLK_OVL1_DLI8, "ovl1_dli8", "disp", 14), 114 + GATE_HWV_OVL11(CLK_OVL1_DLO0, "ovl1_dlo0", "disp", 15), 115 + GATE_HWV_OVL11(CLK_OVL1_DLO1, "ovl1_dlo1", "disp", 16), 116 + GATE_HWV_OVL11(CLK_OVL1_DLO2, "ovl1_dlo2", "disp", 17), 117 + GATE_HWV_OVL11(CLK_OVL1_DLO3, "ovl1_dlo3", "disp", 18), 118 + GATE_HWV_OVL11(CLK_OVL1_DLO4, "ovl1_dlo4", "disp", 19), 119 + GATE_HWV_OVL11(CLK_OVL1_DLO5, "ovl1_dlo5", "disp", 20), 120 + GATE_HWV_OVL11(CLK_OVL1_DLO6, "ovl1_dlo6", "disp", 21), 121 + GATE_HWV_OVL11(CLK_OVL1_DLO7, "ovl1_dlo7", "disp", 22), 122 + GATE_HWV_OVL11(CLK_OVL1_DLO8, "ovl1_dlo8", "disp", 23), 123 + GATE_HWV_OVL11(CLK_OVL1_DLO9, "ovl1_dlo9", "disp", 24), 124 + GATE_HWV_OVL11(CLK_OVL1_DLO10, "ovl1_dlo10", "disp", 25), 125 + GATE_HWV_OVL11(CLK_OVL1_DLO11, "ovl1_dlo11", "disp", 26), 126 + GATE_HWV_OVL11(CLK_OVL1_DLO12, "ovl1_dlo12", "disp", 27), 127 + GATE_HWV_OVL11(CLK_OVL1_OVLSYS_RELAY0, "ovl1_ovlsys_relay0", "disp", 28), 128 + GATE_HWV_OVL11(CLK_OVL1_OVL_INLINEROT0, "ovl1_ovl_inlinerot0", "disp", 29), 129 + GATE_HWV_OVL11(CLK_OVL1_SMI, "ovl1_smi", "disp", 30), 130 + }; 131 + 132 + static const struct mtk_clk_desc ovl1_mcd = { 133 + .clks = ovl1_clks, 134 + .num_clks = ARRAY_SIZE(ovl1_clks), 135 + }; 136 + 137 + static const struct platform_device_id clk_mt8196_ovl1_id_table[] = { 138 + { .name = "clk-mt8196-ovl1", .driver_data = (kernel_ulong_t)&ovl1_mcd }, 139 + { /* sentinel */ } 140 + }; 141 + MODULE_DEVICE_TABLE(platform, clk_mt8196_ovl1_id_table); 142 + 143 + static struct platform_driver clk_mt8196_ovl1_drv = { 144 + .probe = mtk_clk_pdev_probe, 145 + .remove = mtk_clk_pdev_remove, 146 + .driver = { 147 + .name = "clk-mt8196-ovl1", 148 + }, 149 + .id_table = clk_mt8196_ovl1_id_table, 150 + }; 151 + module_platform_driver(clk_mt8196_ovl1_drv); 152 + 153 + MODULE_DESCRIPTION("MediaTek MT8196 ovl1 clocks driver"); 154 + MODULE_LICENSE("GPL");