linux/drivers/clk/mediatek/clk-mt2701-aud.c
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   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
  54static const struct mtk_gate_regs audio0_cg_regs = {
  55        .set_ofs = 0x0,
  56        .clr_ofs = 0x0,
  57        .sta_ofs = 0x0,
  58};
  59
  60static const struct mtk_gate_regs audio1_cg_regs = {
  61        .set_ofs = 0x10,
  62        .clr_ofs = 0x10,
  63        .sta_ofs = 0x10,
  64};
  65
  66static const struct mtk_gate_regs audio2_cg_regs = {
  67        .set_ofs = 0x14,
  68        .clr_ofs = 0x14,
  69        .sta_ofs = 0x14,
  70};
  71
  72static const struct mtk_gate_regs audio3_cg_regs = {
  73        .set_ofs = 0x634,
  74        .clr_ofs = 0x634,
  75        .sta_ofs = 0x634,
  76};
  77
  78static 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
 141static const struct of_device_id of_match_clk_mt2701_aud[] = {
 142        { .compatible = "mediatek,mt2701-audsys", },
 143        {}
 144};
 145
 146static int clk_mt2701_aud_probe(struct platform_device *pdev)
 147{
 148        struct clk_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_provider(node, of_clk_src_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
 172err_plat_populate:
 173        of_clk_del_provider(node);
 174err_clk_provider:
 175        return r;
 176}
 177
 178static 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
 186builtin_platform_driver(clk_mt2701_aud_drv);
 187