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