1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright (c) 2021 MediaTek Inc. 4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> 5 6 #include "clk-gate.h" 7 #include "clk-mtk.h" 8 9 #include <dt-bindings/clock/mt8195-clk.h> 10 #include <linux/clk-provider.h> 11 #include <linux/platform_device.h> 12 13 static const struct mtk_gate_regs vdo0_0_cg_regs = { 14 .set_ofs = 0x104, 15 .clr_ofs = 0x108, 16 .sta_ofs = 0x100, 17 }; 18 19 static const struct mtk_gate_regs vdo0_1_cg_regs = { 20 .set_ofs = 0x114, 21 .clr_ofs = 0x118, 22 .sta_ofs = 0x110, 23 }; 24 25 static const struct mtk_gate_regs vdo0_2_cg_regs = { 26 .set_ofs = 0x124, 27 .clr_ofs = 0x128, 28 .sta_ofs = 0x120, 29 }; 30 31 #define GATE_VDO0_0(_id, _name, _parent, _shift) \ 32 GATE_MTK(_id, _name, _parent, &vdo0_0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 33 34 #define GATE_VDO0_1(_id, _name, _parent, _shift) \ 35 GATE_MTK(_id, _name, _parent, &vdo0_1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 36 37 #define GATE_VDO0_2(_id, _name, _parent, _shift) \ 38 GATE_MTK(_id, _name, _parent, &vdo0_2_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 39 40 static const struct mtk_gate vdo0_clks[] = { 41 /* VDO0_0 */ 42 GATE_VDO0_0(CLK_VDO0_DISP_OVL0, "vdo0_disp_ovl0", "top_vpp", 0), 43 GATE_VDO0_0(CLK_VDO0_DISP_COLOR0, "vdo0_disp_color0", "top_vpp", 2), 44 GATE_VDO0_0(CLK_VDO0_DISP_COLOR1, "vdo0_disp_color1", "top_vpp", 3), 45 GATE_VDO0_0(CLK_VDO0_DISP_CCORR0, "vdo0_disp_ccorr0", "top_vpp", 4), 46 GATE_VDO0_0(CLK_VDO0_DISP_CCORR1, "vdo0_disp_ccorr1", "top_vpp", 5), 47 GATE_VDO0_0(CLK_VDO0_DISP_AAL0, "vdo0_disp_aal0", "top_vpp", 6), 48 GATE_VDO0_0(CLK_VDO0_DISP_AAL1, "vdo0_disp_aal1", "top_vpp", 7), 49 GATE_VDO0_0(CLK_VDO0_DISP_GAMMA0, "vdo0_disp_gamma0", "top_vpp", 8), 50 GATE_VDO0_0(CLK_VDO0_DISP_GAMMA1, "vdo0_disp_gamma1", "top_vpp", 9), 51 GATE_VDO0_0(CLK_VDO0_DISP_DITHER0, "vdo0_disp_dither0", "top_vpp", 10), 52 GATE_VDO0_0(CLK_VDO0_DISP_DITHER1, "vdo0_disp_dither1", "top_vpp", 11), 53 GATE_VDO0_0(CLK_VDO0_DISP_OVL1, "vdo0_disp_ovl1", "top_vpp", 16), 54 GATE_VDO0_0(CLK_VDO0_DISP_WDMA0, "vdo0_disp_wdma0", "top_vpp", 17), 55 GATE_VDO0_0(CLK_VDO0_DISP_WDMA1, "vdo0_disp_wdma1", "top_vpp", 18), 56 GATE_VDO0_0(CLK_VDO0_DISP_RDMA0, "vdo0_disp_rdma0", "top_vpp", 19), 57 GATE_VDO0_0(CLK_VDO0_DISP_RDMA1, "vdo0_disp_rdma1", "top_vpp", 20), 58 GATE_VDO0_0(CLK_VDO0_DSI0, "vdo0_dsi0", "top_vpp", 21), 59 GATE_VDO0_0(CLK_VDO0_DSI1, "vdo0_dsi1", "top_vpp", 22), 60 GATE_VDO0_0(CLK_VDO0_DSC_WRAP0, "vdo0_dsc_wrap0", "top_vpp", 23), 61 GATE_VDO0_0(CLK_VDO0_VPP_MERGE0, "vdo0_vpp_merge0", "top_vpp", 24), 62 GATE_VDO0_0(CLK_VDO0_DP_INTF0, "vdo0_dp_intf0", "top_vpp", 25), 63 GATE_VDO0_0(CLK_VDO0_DISP_MUTEX0, "vdo0_disp_mutex0", "top_vpp", 26), 64 GATE_VDO0_0(CLK_VDO0_DISP_IL_ROT0, "vdo0_disp_il_rot0", "top_vpp", 27), 65 GATE_VDO0_0(CLK_VDO0_APB_BUS, "vdo0_apb_bus", "top_vpp", 28), 66 GATE_VDO0_0(CLK_VDO0_FAKE_ENG0, "vdo0_fake_eng0", "top_vpp", 29), 67 GATE_VDO0_0(CLK_VDO0_FAKE_ENG1, "vdo0_fake_eng1", "top_vpp", 30), 68 /* VDO0_1 */ 69 GATE_VDO0_1(CLK_VDO0_DL_ASYNC0, "vdo0_dl_async0", "top_vpp", 0), 70 GATE_VDO0_1(CLK_VDO0_DL_ASYNC1, "vdo0_dl_async1", "top_vpp", 1), 71 GATE_VDO0_1(CLK_VDO0_DL_ASYNC2, "vdo0_dl_async2", "top_vpp", 2), 72 GATE_VDO0_1(CLK_VDO0_DL_ASYNC3, "vdo0_dl_async3", "top_vpp", 3), 73 GATE_VDO0_1(CLK_VDO0_DL_ASYNC4, "vdo0_dl_async4", "top_vpp", 4), 74 GATE_VDO0_1(CLK_VDO0_DISP_MONITOR0, "vdo0_disp_monitor0", "top_vpp", 5), 75 GATE_VDO0_1(CLK_VDO0_DISP_MONITOR1, "vdo0_disp_monitor1", "top_vpp", 6), 76 GATE_VDO0_1(CLK_VDO0_DISP_MONITOR2, "vdo0_disp_monitor2", "top_vpp", 7), 77 GATE_VDO0_1(CLK_VDO0_DISP_MONITOR3, "vdo0_disp_monitor3", "top_vpp", 8), 78 GATE_VDO0_1(CLK_VDO0_DISP_MONITOR4, "vdo0_disp_monitor4", "top_vpp", 9), 79 GATE_VDO0_1(CLK_VDO0_SMI_GALS, "vdo0_smi_gals", "top_vpp", 10), 80 GATE_VDO0_1(CLK_VDO0_SMI_COMMON, "vdo0_smi_common", "top_vpp", 11), 81 GATE_VDO0_1(CLK_VDO0_SMI_EMI, "vdo0_smi_emi", "top_vpp", 12), 82 GATE_VDO0_1(CLK_VDO0_SMI_IOMMU, "vdo0_smi_iommu", "top_vpp", 13), 83 GATE_VDO0_1(CLK_VDO0_SMI_LARB, "vdo0_smi_larb", "top_vpp", 14), 84 GATE_VDO0_1(CLK_VDO0_SMI_RSI, "vdo0_smi_rsi", "top_vpp", 15), 85 /* VDO0_2 */ 86 GATE_VDO0_2(CLK_VDO0_DSI0_DSI, "vdo0_dsi0_dsi", "top_dsi_occ", 0), 87 GATE_VDO0_2(CLK_VDO0_DSI1_DSI, "vdo0_dsi1_dsi", "top_dsi_occ", 8), 88 GATE_VDO0_2(CLK_VDO0_DP_INTF0_DP_INTF, "vdo0_dp_intf0_dp_intf", "top_edp", 16), 89 }; 90 91 static int clk_mt8195_vdo0_probe(struct platform_device *pdev) 92 { 93 struct device *dev = &pdev->dev; 94 struct device_node *node = dev->parent->of_node; 95 struct clk_hw_onecell_data *clk_data; 96 int r; 97 98 clk_data = mtk_alloc_clk_data(CLK_VDO0_NR_CLK); 99 if (!clk_data) 100 return -ENOMEM; 101 102 r = mtk_clk_register_gates(node, vdo0_clks, ARRAY_SIZE(vdo0_clks), clk_data); 103 if (r) 104 goto free_vdo0_data; 105 106 r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); 107 if (r) 108 goto unregister_gates; 109 110 platform_set_drvdata(pdev, clk_data); 111 112 return r; 113 114 unregister_gates: 115 mtk_clk_unregister_gates(vdo0_clks, ARRAY_SIZE(vdo0_clks), clk_data); 116 free_vdo0_data: 117 mtk_free_clk_data(clk_data); 118 return r; 119 } 120 121 static int clk_mt8195_vdo0_remove(struct platform_device *pdev) 122 { 123 struct device *dev = &pdev->dev; 124 struct device_node *node = dev->parent->of_node; 125 struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); 126 127 of_clk_del_provider(node); 128 mtk_clk_unregister_gates(vdo0_clks, ARRAY_SIZE(vdo0_clks), clk_data); 129 mtk_free_clk_data(clk_data); 130 131 return 0; 132 } 133 134 static struct platform_driver clk_mt8195_vdo0_drv = { 135 .probe = clk_mt8195_vdo0_probe, 136 .remove = clk_mt8195_vdo0_remove, 137 .driver = { 138 .name = "clk-mt8195-vdo0", 139 }, 140 }; 141 builtin_platform_driver(clk_mt8195_vdo0_drv); 142