1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2018 MediaTek Inc. 4 * Author: Ryder Lee <ryder.lee@mediatek.com> 5 */ 6 7 #include <linux/clk-provider.h> 8 #include <linux/of.h> 9 #include <linux/of_address.h> 10 #include <linux/of_device.h> 11 #include <linux/platform_device.h> 12 13 #include "clk-mtk.h" 14 #include "clk-gate.h" 15 16 #include <dt-bindings/clock/mt2701-clk.h> 17 18 #define GATE_AUDIO0(_id, _name, _parent, _shift) { \ 19 .id = _id, \ 20 .name = _name, \ 21 .parent_name = _parent, \ 22 .regs = &audio0_cg_regs, \ 23 .shift = _shift, \ 24 .ops = &mtk_clk_gate_ops_no_setclr, \ 25 } 26 27 #define GATE_AUDIO1(_id, _name, _parent, _shift) { \ 28 .id = _id, \ 29 .name = _name, \ 30 .parent_name = _parent, \ 31 .regs = &audio1_cg_regs, \ 32 .shift = _shift, \ 33 .ops = &mtk_clk_gate_ops_no_setclr, \ 34 } 35 36 #define GATE_AUDIO2(_id, _name, _parent, _shift) { \ 37 .id = _id, \ 38 .name = _name, \ 39 .parent_name = _parent, \ 40 .regs = &audio2_cg_regs, \ 41 .shift = _shift, \ 42 .ops = &mtk_clk_gate_ops_no_setclr, \ 43 } 44 45 #define GATE_AUDIO3(_id, _name, _parent, _shift) { \ 46 .id = _id, \ 47 .name = _name, \ 48 .parent_name = _parent, \ 49 .regs = &audio3_cg_regs, \ 50 .shift = _shift, \ 51 .ops = &mtk_clk_gate_ops_no_setclr, \ 52 } 53 54 static const struct mtk_gate_regs audio0_cg_regs = { 55 .set_ofs = 0x0, 56 .clr_ofs = 0x0, 57 .sta_ofs = 0x0, 58 }; 59 60 static const struct mtk_gate_regs audio1_cg_regs = { 61 .set_ofs = 0x10, 62 .clr_ofs = 0x10, 63 .sta_ofs = 0x10, 64 }; 65 66 static const struct mtk_gate_regs audio2_cg_regs = { 67 .set_ofs = 0x14, 68 .clr_ofs = 0x14, 69 .sta_ofs = 0x14, 70 }; 71 72 static const struct mtk_gate_regs audio3_cg_regs = { 73 .set_ofs = 0x634, 74 .clr_ofs = 0x634, 75 .sta_ofs = 0x634, 76 }; 77 78 static const struct mtk_gate audio_clks[] = { 79 GATE_DUMMY(CLK_DUMMY, "aud_dummy"), 80 /* AUDIO0 */ 81 GATE_AUDIO0(CLK_AUD_AFE, "audio_afe", "aud_intbus_sel", 2), 82 GATE_AUDIO0(CLK_AUD_HDMI, "audio_hdmi", "audpll_sel", 20), 83 GATE_AUDIO0(CLK_AUD_SPDF, "audio_spdf", "audpll_sel", 21), 84 GATE_AUDIO0(CLK_AUD_SPDF2, "audio_spdf2", "audpll_sel", 22), 85 GATE_AUDIO0(CLK_AUD_APLL, "audio_apll", "audpll_sel", 23), 86 /* AUDIO1 */ 87 GATE_AUDIO1(CLK_AUD_I2SIN1, "audio_i2sin1", "aud_mux1_sel", 0), 88 GATE_AUDIO1(CLK_AUD_I2SIN2, "audio_i2sin2", "aud_mux1_sel", 1), 89 GATE_AUDIO1(CLK_AUD_I2SIN3, "audio_i2sin3", "aud_mux1_sel", 2), 90 GATE_AUDIO1(CLK_AUD_I2SIN4, "audio_i2sin4", "aud_mux1_sel", 3), 91 GATE_AUDIO1(CLK_AUD_I2SIN5, "audio_i2sin5", "aud_mux1_sel", 4), 92 GATE_AUDIO1(CLK_AUD_I2SIN6, "audio_i2sin6", "aud_mux1_sel", 5), 93 GATE_AUDIO1(CLK_AUD_I2SO1, "audio_i2so1", "aud_mux1_sel", 6), 94 GATE_AUDIO1(CLK_AUD_I2SO2, "audio_i2so2", "aud_mux1_sel", 7), 95 GATE_AUDIO1(CLK_AUD_I2SO3, "audio_i2so3", "aud_mux1_sel", 8), 96 GATE_AUDIO1(CLK_AUD_I2SO4, "audio_i2so4", "aud_mux1_sel", 9), 97 GATE_AUDIO1(CLK_AUD_I2SO5, "audio_i2so5", "aud_mux1_sel", 10), 98 GATE_AUDIO1(CLK_AUD_I2SO6, "audio_i2so6", "aud_mux1_sel", 11), 99 GATE_AUDIO1(CLK_AUD_ASRCI1, "audio_asrci1", "asm_h_sel", 12), 100 GATE_AUDIO1(CLK_AUD_ASRCI2, "audio_asrci2", "asm_h_sel", 13), 101 GATE_AUDIO1(CLK_AUD_ASRCO1, "audio_asrco1", "asm_h_sel", 14), 102 GATE_AUDIO1(CLK_AUD_ASRCO2, "audio_asrco2", "asm_h_sel", 15), 103 GATE_AUDIO1(CLK_AUD_INTDIR, "audio_intdir", "intdir_sel", 20), 104 GATE_AUDIO1(CLK_AUD_A1SYS, "audio_a1sys", "aud_mux1_sel", 21), 105 GATE_AUDIO1(CLK_AUD_A2SYS, "audio_a2sys", "aud_mux2_sel", 22), 106 GATE_AUDIO1(CLK_AUD_AFE_CONN, "audio_afe_conn", "aud_mux1_sel", 23), 107 GATE_AUDIO1(CLK_AUD_AFE_MRGIF, "audio_afe_mrgif", "aud_mux1_sel", 25), 108 /* AUDIO2 */ 109 GATE_AUDIO2(CLK_AUD_MMIF_UL1, "audio_ul1", "aud_mux1_sel", 0), 110 GATE_AUDIO2(CLK_AUD_MMIF_UL2, "audio_ul2", "aud_mux1_sel", 1), 111 GATE_AUDIO2(CLK_AUD_MMIF_UL3, "audio_ul3", "aud_mux1_sel", 2), 112 GATE_AUDIO2(CLK_AUD_MMIF_UL4, "audio_ul4", "aud_mux1_sel", 3), 113 GATE_AUDIO2(CLK_AUD_MMIF_UL5, "audio_ul5", "aud_mux1_sel", 4), 114 GATE_AUDIO2(CLK_AUD_MMIF_UL6, "audio_ul6", "aud_mux1_sel", 5), 115 GATE_AUDIO2(CLK_AUD_MMIF_DL1, "audio_dl1", "aud_mux1_sel", 6), 116 GATE_AUDIO2(CLK_AUD_MMIF_DL2, "audio_dl2", "aud_mux1_sel", 7), 117 GATE_AUDIO2(CLK_AUD_MMIF_DL3, "audio_dl3", "aud_mux1_sel", 8), 118 GATE_AUDIO2(CLK_AUD_MMIF_DL4, "audio_dl4", "aud_mux1_sel", 9), 119 GATE_AUDIO2(CLK_AUD_MMIF_DL5, "audio_dl5", "aud_mux1_sel", 10), 120 GATE_AUDIO2(CLK_AUD_MMIF_DL6, "audio_dl6", "aud_mux1_sel", 11), 121 GATE_AUDIO2(CLK_AUD_MMIF_DLMCH, "audio_dlmch", "aud_mux1_sel", 12), 122 GATE_AUDIO2(CLK_AUD_MMIF_ARB1, "audio_arb1", "aud_mux1_sel", 13), 123 GATE_AUDIO2(CLK_AUD_MMIF_AWB1, "audio_awb", "aud_mux1_sel", 14), 124 GATE_AUDIO2(CLK_AUD_MMIF_AWB2, "audio_awb2", "aud_mux1_sel", 15), 125 GATE_AUDIO2(CLK_AUD_MMIF_DAI, "audio_dai", "aud_mux1_sel", 16), 126 /* AUDIO3 */ 127 GATE_AUDIO3(CLK_AUD_ASRCI3, "audio_asrci3", "asm_h_sel", 2), 128 GATE_AUDIO3(CLK_AUD_ASRCI4, "audio_asrci4", "asm_h_sel", 3), 129 GATE_AUDIO3(CLK_AUD_ASRCI5, "audio_asrci5", "asm_h_sel", 4), 130 GATE_AUDIO3(CLK_AUD_ASRCI6, "audio_asrci6", "asm_h_sel", 5), 131 GATE_AUDIO3(CLK_AUD_ASRCO3, "audio_asrco3", "asm_h_sel", 6), 132 GATE_AUDIO3(CLK_AUD_ASRCO4, "audio_asrco4", "asm_h_sel", 7), 133 GATE_AUDIO3(CLK_AUD_ASRCO5, "audio_asrco5", "asm_h_sel", 8), 134 GATE_AUDIO3(CLK_AUD_ASRCO6, "audio_asrco6", "asm_h_sel", 9), 135 GATE_AUDIO3(CLK_AUD_MEM_ASRC1, "audio_mem_asrc1", "asm_h_sel", 10), 136 GATE_AUDIO3(CLK_AUD_MEM_ASRC2, "audio_mem_asrc2", "asm_h_sel", 11), 137 GATE_AUDIO3(CLK_AUD_MEM_ASRC3, "audio_mem_asrc3", "asm_h_sel", 12), 138 GATE_AUDIO3(CLK_AUD_MEM_ASRC4, "audio_mem_asrc4", "asm_h_sel", 13), 139 GATE_AUDIO3(CLK_AUD_MEM_ASRC5, "audio_mem_asrc5", "asm_h_sel", 14), 140 }; 141 142 static const struct mtk_clk_desc audio_desc = { 143 .clks = audio_clks, 144 .num_clks = ARRAY_SIZE(audio_clks), 145 }; 146 147 static const struct of_device_id of_match_clk_mt2701_aud[] = { 148 { .compatible = "mediatek,mt2701-audsys", .data = &audio_desc }, 149 { /* sentinel */ } 150 }; 151 152 static int clk_mt2701_aud_probe(struct platform_device *pdev) 153 { 154 int r; 155 156 r = mtk_clk_simple_probe(pdev); 157 if (r) { 158 dev_err(&pdev->dev, 159 "could not register clock provider: %s: %d\n", 160 pdev->name, r); 161 162 return r; 163 } 164 165 r = devm_of_platform_populate(&pdev->dev); 166 if (r) 167 goto err_plat_populate; 168 169 return 0; 170 171 err_plat_populate: 172 mtk_clk_simple_remove(pdev); 173 return r; 174 } 175 176 static int clk_mt2701_aud_remove(struct platform_device *pdev) 177 { 178 of_platform_depopulate(&pdev->dev); 179 return mtk_clk_simple_remove(pdev); 180 } 181 182 static struct platform_driver clk_mt2701_aud_drv = { 183 .probe = clk_mt2701_aud_probe, 184 .remove = clk_mt2701_aud_remove, 185 .driver = { 186 .name = "clk-mt2701-aud", 187 .of_match_table = of_match_clk_mt2701_aud, 188 }, 189 }; 190 191 builtin_platform_driver(clk_mt2701_aud_drv); 192