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 /* AUDIO0 */ 80 GATE_AUDIO0(CLK_AUD_AFE, "audio_afe", "aud_intbus_sel", 2), 81 GATE_AUDIO0(CLK_AUD_HDMI, "audio_hdmi", "audpll_sel", 20), 82 GATE_AUDIO0(CLK_AUD_SPDF, "audio_spdf", "audpll_sel", 21), 83 GATE_AUDIO0(CLK_AUD_SPDF2, "audio_spdf2", "audpll_sel", 22), 84 GATE_AUDIO0(CLK_AUD_APLL, "audio_apll", "audpll_sel", 23), 85 /* AUDIO1 */ 86 GATE_AUDIO1(CLK_AUD_I2SIN1, "audio_i2sin1", "aud_mux1_sel", 0), 87 GATE_AUDIO1(CLK_AUD_I2SIN2, "audio_i2sin2", "aud_mux1_sel", 1), 88 GATE_AUDIO1(CLK_AUD_I2SIN3, "audio_i2sin3", "aud_mux1_sel", 2), 89 GATE_AUDIO1(CLK_AUD_I2SIN4, "audio_i2sin4", "aud_mux1_sel", 3), 90 GATE_AUDIO1(CLK_AUD_I2SIN5, "audio_i2sin5", "aud_mux1_sel", 4), 91 GATE_AUDIO1(CLK_AUD_I2SIN6, "audio_i2sin6", "aud_mux1_sel", 5), 92 GATE_AUDIO1(CLK_AUD_I2SO1, "audio_i2so1", "aud_mux1_sel", 6), 93 GATE_AUDIO1(CLK_AUD_I2SO2, "audio_i2so2", "aud_mux1_sel", 7), 94 GATE_AUDIO1(CLK_AUD_I2SO3, "audio_i2so3", "aud_mux1_sel", 8), 95 GATE_AUDIO1(CLK_AUD_I2SO4, "audio_i2so4", "aud_mux1_sel", 9), 96 GATE_AUDIO1(CLK_AUD_I2SO5, "audio_i2so5", "aud_mux1_sel", 10), 97 GATE_AUDIO1(CLK_AUD_I2SO6, "audio_i2so6", "aud_mux1_sel", 11), 98 GATE_AUDIO1(CLK_AUD_ASRCI1, "audio_asrci1", "asm_h_sel", 12), 99 GATE_AUDIO1(CLK_AUD_ASRCI2, "audio_asrci2", "asm_h_sel", 13), 100 GATE_AUDIO1(CLK_AUD_ASRCO1, "audio_asrco1", "asm_h_sel", 14), 101 GATE_AUDIO1(CLK_AUD_ASRCO2, "audio_asrco2", "asm_h_sel", 15), 102 GATE_AUDIO1(CLK_AUD_INTDIR, "audio_intdir", "intdir_sel", 20), 103 GATE_AUDIO1(CLK_AUD_A1SYS, "audio_a1sys", "aud_mux1_sel", 21), 104 GATE_AUDIO1(CLK_AUD_A2SYS, "audio_a2sys", "aud_mux2_sel", 22), 105 GATE_AUDIO1(CLK_AUD_AFE_CONN, "audio_afe_conn", "aud_mux1_sel", 23), 106 GATE_AUDIO1(CLK_AUD_AFE_MRGIF, "audio_afe_mrgif", "aud_mux1_sel", 25), 107 /* AUDIO2 */ 108 GATE_AUDIO2(CLK_AUD_MMIF_UL1, "audio_ul1", "aud_mux1_sel", 0), 109 GATE_AUDIO2(CLK_AUD_MMIF_UL2, "audio_ul2", "aud_mux1_sel", 1), 110 GATE_AUDIO2(CLK_AUD_MMIF_UL3, "audio_ul3", "aud_mux1_sel", 2), 111 GATE_AUDIO2(CLK_AUD_MMIF_UL4, "audio_ul4", "aud_mux1_sel", 3), 112 GATE_AUDIO2(CLK_AUD_MMIF_UL5, "audio_ul5", "aud_mux1_sel", 4), 113 GATE_AUDIO2(CLK_AUD_MMIF_UL6, "audio_ul6", "aud_mux1_sel", 5), 114 GATE_AUDIO2(CLK_AUD_MMIF_DL1, "audio_dl1", "aud_mux1_sel", 6), 115 GATE_AUDIO2(CLK_AUD_MMIF_DL2, "audio_dl2", "aud_mux1_sel", 7), 116 GATE_AUDIO2(CLK_AUD_MMIF_DL3, "audio_dl3", "aud_mux1_sel", 8), 117 GATE_AUDIO2(CLK_AUD_MMIF_DL4, "audio_dl4", "aud_mux1_sel", 9), 118 GATE_AUDIO2(CLK_AUD_MMIF_DL5, "audio_dl5", "aud_mux1_sel", 10), 119 GATE_AUDIO2(CLK_AUD_MMIF_DL6, "audio_dl6", "aud_mux1_sel", 11), 120 GATE_AUDIO2(CLK_AUD_MMIF_DLMCH, "audio_dlmch", "aud_mux1_sel", 12), 121 GATE_AUDIO2(CLK_AUD_MMIF_ARB1, "audio_arb1", "aud_mux1_sel", 13), 122 GATE_AUDIO2(CLK_AUD_MMIF_AWB1, "audio_awb", "aud_mux1_sel", 14), 123 GATE_AUDIO2(CLK_AUD_MMIF_AWB2, "audio_awb2", "aud_mux1_sel", 15), 124 GATE_AUDIO2(CLK_AUD_MMIF_DAI, "audio_dai", "aud_mux1_sel", 16), 125 /* AUDIO3 */ 126 GATE_AUDIO3(CLK_AUD_ASRCI3, "audio_asrci3", "asm_h_sel", 2), 127 GATE_AUDIO3(CLK_AUD_ASRCI4, "audio_asrci4", "asm_h_sel", 3), 128 GATE_AUDIO3(CLK_AUD_ASRCI5, "audio_asrci5", "asm_h_sel", 4), 129 GATE_AUDIO3(CLK_AUD_ASRCI6, "audio_asrci6", "asm_h_sel", 5), 130 GATE_AUDIO3(CLK_AUD_ASRCO3, "audio_asrco3", "asm_h_sel", 6), 131 GATE_AUDIO3(CLK_AUD_ASRCO4, "audio_asrco4", "asm_h_sel", 7), 132 GATE_AUDIO3(CLK_AUD_ASRCO5, "audio_asrco5", "asm_h_sel", 8), 133 GATE_AUDIO3(CLK_AUD_ASRCO6, "audio_asrco6", "asm_h_sel", 9), 134 GATE_AUDIO3(CLK_AUD_MEM_ASRC1, "audio_mem_asrc1", "asm_h_sel", 10), 135 GATE_AUDIO3(CLK_AUD_MEM_ASRC2, "audio_mem_asrc2", "asm_h_sel", 11), 136 GATE_AUDIO3(CLK_AUD_MEM_ASRC3, "audio_mem_asrc3", "asm_h_sel", 12), 137 GATE_AUDIO3(CLK_AUD_MEM_ASRC4, "audio_mem_asrc4", "asm_h_sel", 13), 138 GATE_AUDIO3(CLK_AUD_MEM_ASRC5, "audio_mem_asrc5", "asm_h_sel", 14), 139 }; 140 141 static const struct of_device_id of_match_clk_mt2701_aud[] = { 142 { .compatible = "mediatek,mt2701-audsys", }, 143 {} 144 }; 145 146 static int clk_mt2701_aud_probe(struct platform_device *pdev) 147 { 148 struct clk_hw_onecell_data *clk_data; 149 struct device_node *node = pdev->dev.of_node; 150 int r; 151 152 clk_data = mtk_alloc_clk_data(CLK_AUD_NR); 153 154 mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks), 155 clk_data); 156 157 r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); 158 if (r) { 159 dev_err(&pdev->dev, 160 "could not register clock provider: %s: %d\n", 161 pdev->name, r); 162 163 goto err_clk_provider; 164 } 165 166 r = devm_of_platform_populate(&pdev->dev); 167 if (r) 168 goto err_plat_populate; 169 170 return 0; 171 172 err_plat_populate: 173 of_clk_del_provider(node); 174 err_clk_provider: 175 return r; 176 } 177 178 static struct platform_driver clk_mt2701_aud_drv = { 179 .probe = clk_mt2701_aud_probe, 180 .driver = { 181 .name = "clk-mt2701-aud", 182 .of_match_table = of_match_clk_mt2701_aud, 183 }, 184 }; 185 186 builtin_platform_driver(clk_mt2701_aud_drv); 187