1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2020 MediaTek Inc. 4 * Copyright (c) 2020 BayLibre, SAS 5 * Author: James Liao <jamesjj.liao@mediatek.com> 6 * Fabien Parent <fparent@baylibre.com> 7 */ 8 9 #include <linux/clk-provider.h> 10 #include <linux/mod_devicetable.h> 11 #include <linux/platform_device.h> 12 13 #include "clk-mtk.h" 14 #include "clk-gate.h" 15 16 #include <dt-bindings/clock/mt8167-clk.h> 17 18 static const struct mtk_gate_regs aud_cg_regs = { 19 .set_ofs = 0x0, 20 .clr_ofs = 0x0, 21 .sta_ofs = 0x0, 22 }; 23 24 #define GATE_AUD(_id, _name, _parent, _shift) \ 25 GATE_MTK(_id, _name, _parent, &aud_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) 26 27 28 static const struct mtk_gate aud_clks[] = { 29 GATE_AUD(CLK_AUD_AFE, "aud_afe", "clk26m_ck", 2), 30 GATE_AUD(CLK_AUD_I2S, "aud_i2s", "i2s_infra_bck", 6), 31 GATE_AUD(CLK_AUD_22M, "aud_22m", "rg_aud_engen1", 8), 32 GATE_AUD(CLK_AUD_24M, "aud_24m", "rg_aud_engen2", 9), 33 GATE_AUD(CLK_AUD_INTDIR, "aud_intdir", "rg_aud_spdif_in", 15), 34 GATE_AUD(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "rg_aud_engen2", 18), 35 GATE_AUD(CLK_AUD_APLL_TUNER, "aud_apll_tuner", "rg_aud_engen1", 19), 36 GATE_AUD(CLK_AUD_HDMI, "aud_hdmi", "apll12_div4", 20), 37 GATE_AUD(CLK_AUD_SPDF, "aud_spdf", "apll12_div6", 21), 38 GATE_AUD(CLK_AUD_ADC, "aud_adc", "aud_afe", 24), 39 GATE_AUD(CLK_AUD_DAC, "aud_dac", "aud_afe", 25), 40 GATE_AUD(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "aud_afe", 26), 41 GATE_AUD(CLK_AUD_TML, "aud_tml", "aud_afe", 27), 42 }; 43 44 static const struct mtk_clk_desc aud_desc = { 45 .clks = aud_clks, 46 .num_clks = ARRAY_SIZE(aud_clks), 47 }; 48 49 static const struct of_device_id of_match_clk_mt8167_audsys[] = { 50 { .compatible = "mediatek,mt8167-audsys", .data = &aud_desc }, 51 { /* sentinel */ } 52 }; 53 MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_audsys); 54 55 static struct platform_driver clk_mt8167_audsys_drv = { 56 .probe = mtk_clk_simple_probe, 57 .remove_new = mtk_clk_simple_remove, 58 .driver = { 59 .name = "clk-mt8167-audsys", 60 .of_match_table = of_match_clk_mt8167_audsys, 61 }, 62 }; 63 module_platform_driver(clk_mt8167_audsys_drv); 64 MODULE_LICENSE("GPL"); 65