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 ovl0_cg_regs = { 19 .set_ofs = 0x104, 20 .clr_ofs = 0x108, 21 .sta_ofs = 0x100, 22 }; 23 24 static const struct mtk_gate_regs ovl0_hwv_regs = { 25 .set_ofs = 0x0060, 26 .clr_ofs = 0x0064, 27 .sta_ofs = 0x2c30, 28 }; 29 30 static const struct mtk_gate_regs ovl1_cg_regs = { 31 .set_ofs = 0x114, 32 .clr_ofs = 0x118, 33 .sta_ofs = 0x110, 34 }; 35 36 static const struct mtk_gate_regs ovl1_hwv_regs = { 37 .set_ofs = 0x0068, 38 .clr_ofs = 0x006c, 39 .sta_ofs = 0x2c34, 40 }; 41 42 #define GATE_HWV_OVL0(_id, _name, _parent, _shift) { \ 43 .id = _id, \ 44 .name = _name, \ 45 .parent_name = _parent, \ 46 .regs = &ovl0_cg_regs, \ 47 .hwv_regs = &ovl0_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_OVL1(_id, _name, _parent, _shift) { \ 54 .id = _id, \ 55 .name = _name, \ 56 .parent_name = _parent, \ 57 .regs = &ovl1_cg_regs, \ 58 .hwv_regs = &ovl1_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 ovl_clks[] = { 65 /* OVL0 */ 66 GATE_HWV_OVL0(CLK_OVLSYS_CONFIG, "ovlsys_config", "disp", 0), 67 GATE_HWV_OVL0(CLK_OVL_FAKE_ENG0, "ovl_fake_eng0", "disp", 1), 68 GATE_HWV_OVL0(CLK_OVL_FAKE_ENG1, "ovl_fake_eng1", "disp", 2), 69 GATE_HWV_OVL0(CLK_OVL_MUTEX0, "ovl_mutex0", "disp", 3), 70 GATE_HWV_OVL0(CLK_OVL_EXDMA0, "ovl_exdma0", "disp", 4), 71 GATE_HWV_OVL0(CLK_OVL_EXDMA1, "ovl_exdma1", "disp", 5), 72 GATE_HWV_OVL0(CLK_OVL_EXDMA2, "ovl_exdma2", "disp", 6), 73 GATE_HWV_OVL0(CLK_OVL_EXDMA3, "ovl_exdma3", "disp", 7), 74 GATE_HWV_OVL0(CLK_OVL_EXDMA4, "ovl_exdma4", "disp", 8), 75 GATE_HWV_OVL0(CLK_OVL_EXDMA5, "ovl_exdma5", "disp", 9), 76 GATE_HWV_OVL0(CLK_OVL_EXDMA6, "ovl_exdma6", "disp", 10), 77 GATE_HWV_OVL0(CLK_OVL_EXDMA7, "ovl_exdma7", "disp", 11), 78 GATE_HWV_OVL0(CLK_OVL_EXDMA8, "ovl_exdma8", "disp", 12), 79 GATE_HWV_OVL0(CLK_OVL_EXDMA9, "ovl_exdma9", "disp", 13), 80 GATE_HWV_OVL0(CLK_OVL_BLENDER0, "ovl_blender0", "disp", 14), 81 GATE_HWV_OVL0(CLK_OVL_BLENDER1, "ovl_blender1", "disp", 15), 82 GATE_HWV_OVL0(CLK_OVL_BLENDER2, "ovl_blender2", "disp", 16), 83 GATE_HWV_OVL0(CLK_OVL_BLENDER3, "ovl_blender3", "disp", 17), 84 GATE_HWV_OVL0(CLK_OVL_BLENDER4, "ovl_blender4", "disp", 18), 85 GATE_HWV_OVL0(CLK_OVL_BLENDER5, "ovl_blender5", "disp", 19), 86 GATE_HWV_OVL0(CLK_OVL_BLENDER6, "ovl_blender6", "disp", 20), 87 GATE_HWV_OVL0(CLK_OVL_BLENDER7, "ovl_blender7", "disp", 21), 88 GATE_HWV_OVL0(CLK_OVL_BLENDER8, "ovl_blender8", "disp", 22), 89 GATE_HWV_OVL0(CLK_OVL_BLENDER9, "ovl_blender9", "disp", 23), 90 GATE_HWV_OVL0(CLK_OVL_OUTPROC0, "ovl_outproc0", "disp", 24), 91 GATE_HWV_OVL0(CLK_OVL_OUTPROC1, "ovl_outproc1", "disp", 25), 92 GATE_HWV_OVL0(CLK_OVL_OUTPROC2, "ovl_outproc2", "disp", 26), 93 GATE_HWV_OVL0(CLK_OVL_OUTPROC3, "ovl_outproc3", "disp", 27), 94 GATE_HWV_OVL0(CLK_OVL_OUTPROC4, "ovl_outproc4", "disp", 28), 95 GATE_HWV_OVL0(CLK_OVL_OUTPROC5, "ovl_outproc5", "disp", 29), 96 GATE_HWV_OVL0(CLK_OVL_MDP_RSZ0, "ovl_mdp_rsz0", "disp", 30), 97 GATE_HWV_OVL0(CLK_OVL_MDP_RSZ1, "ovl_mdp_rsz1", "disp", 31), 98 /* OVL1 */ 99 GATE_HWV_OVL1(CLK_OVL_DISP_WDMA0, "ovl_disp_wdma0", "disp", 0), 100 GATE_HWV_OVL1(CLK_OVL_DISP_WDMA1, "ovl_disp_wdma1", "disp", 1), 101 GATE_HWV_OVL1(CLK_OVL_UFBC_WDMA0, "ovl_ufbc_wdma0", "disp", 2), 102 GATE_HWV_OVL1(CLK_OVL_MDP_RDMA0, "ovl_mdp_rdma0", "disp", 3), 103 GATE_HWV_OVL1(CLK_OVL_MDP_RDMA1, "ovl_mdp_rdma1", "disp", 4), 104 GATE_HWV_OVL1(CLK_OVL_BWM0, "ovl_bwm0", "disp", 5), 105 GATE_HWV_OVL1(CLK_OVL_DLI0, "ovl_dli0", "disp", 6), 106 GATE_HWV_OVL1(CLK_OVL_DLI1, "ovl_dli1", "disp", 7), 107 GATE_HWV_OVL1(CLK_OVL_DLI2, "ovl_dli2", "disp", 8), 108 GATE_HWV_OVL1(CLK_OVL_DLI3, "ovl_dli3", "disp", 9), 109 GATE_HWV_OVL1(CLK_OVL_DLI4, "ovl_dli4", "disp", 10), 110 GATE_HWV_OVL1(CLK_OVL_DLI5, "ovl_dli5", "disp", 11), 111 GATE_HWV_OVL1(CLK_OVL_DLI6, "ovl_dli6", "disp", 12), 112 GATE_HWV_OVL1(CLK_OVL_DLI7, "ovl_dli7", "disp", 13), 113 GATE_HWV_OVL1(CLK_OVL_DLI8, "ovl_dli8", "disp", 14), 114 GATE_HWV_OVL1(CLK_OVL_DLO0, "ovl_dlo0", "disp", 15), 115 GATE_HWV_OVL1(CLK_OVL_DLO1, "ovl_dlo1", "disp", 16), 116 GATE_HWV_OVL1(CLK_OVL_DLO2, "ovl_dlo2", "disp", 17), 117 GATE_HWV_OVL1(CLK_OVL_DLO3, "ovl_dlo3", "disp", 18), 118 GATE_HWV_OVL1(CLK_OVL_DLO4, "ovl_dlo4", "disp", 19), 119 GATE_HWV_OVL1(CLK_OVL_DLO5, "ovl_dlo5", "disp", 20), 120 GATE_HWV_OVL1(CLK_OVL_DLO6, "ovl_dlo6", "disp", 21), 121 GATE_HWV_OVL1(CLK_OVL_DLO7, "ovl_dlo7", "disp", 22), 122 GATE_HWV_OVL1(CLK_OVL_DLO8, "ovl_dlo8", "disp", 23), 123 GATE_HWV_OVL1(CLK_OVL_DLO9, "ovl_dlo9", "disp", 24), 124 GATE_HWV_OVL1(CLK_OVL_DLO10, "ovl_dlo10", "disp", 25), 125 GATE_HWV_OVL1(CLK_OVL_DLO11, "ovl_dlo11", "disp", 26), 126 GATE_HWV_OVL1(CLK_OVL_DLO12, "ovl_dlo12", "disp", 27), 127 GATE_HWV_OVL1(CLK_OVLSYS_RELAY0, "ovlsys_relay0", "disp", 28), 128 GATE_HWV_OVL1(CLK_OVL_INLINEROT0, "ovl_inlinerot0", "disp", 29), 129 GATE_HWV_OVL1(CLK_OVL_SMI, "ovl_smi", "disp", 30), 130 }; 131 132 static const struct mtk_clk_desc ovl_mcd = { 133 .clks = ovl_clks, 134 .num_clks = ARRAY_SIZE(ovl_clks), 135 }; 136 137 static const struct platform_device_id clk_mt8196_ovl0_id_table[] = { 138 { .name = "clk-mt8196-ovl0", .driver_data = (kernel_ulong_t)&ovl_mcd }, 139 { /* sentinel */ } 140 }; 141 MODULE_DEVICE_TABLE(platform, clk_mt8196_ovl0_id_table); 142 143 static struct platform_driver clk_mt8196_ovl0_drv = { 144 .probe = mtk_clk_pdev_probe, 145 .remove = mtk_clk_pdev_remove, 146 .driver = { 147 .name = "clk-mt8196-ovl0", 148 }, 149 .id_table = clk_mt8196_ovl0_id_table, 150 }; 151 module_platform_driver(clk_mt8196_ovl0_drv); 152 153 MODULE_DESCRIPTION("MediaTek MT8196 ovl0 clocks driver"); 154 MODULE_LICENSE("GPL"); 155