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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: Wendell Lin <wendell.lin@mediatek.com>
*/
#include <linux/module.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include "clk-mtk.h"
#include "clk-gate.h"
#include <dt-bindings/clock/mt6779-clk.h>
static const struct mtk_gate_regs audio0_cg_regs = {
.set_ofs = 0x0,
.clr_ofs = 0x0,
.sta_ofs = 0x0,
};
static const struct mtk_gate_regs audio1_cg_regs = {
.set_ofs = 0x4,
.clr_ofs = 0x4,
.sta_ofs = 0x4,
};
#define GATE_AUDIO0(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, \
&mtk_clk_gate_ops_no_setclr)
#define GATE_AUDIO1(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, \
&mtk_clk_gate_ops_no_setclr)
static const struct mtk_gate audio_clks[] = {
/* AUDIO0 */
GATE_AUDIO0(CLK_AUD_AFE, "aud_afe", "audio_sel", 2),
GATE_AUDIO0(CLK_AUD_22M, "aud_22m", "aud_eng1_sel", 8),
GATE_AUDIO0(CLK_AUD_24M, "aud_24m", "aud_eng2_sel", 9),
GATE_AUDIO0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner",
"aud_eng2_sel", 18),
GATE_AUDIO0(CLK_AUD_APLL_TUNER, "aud_apll_tuner",
"aud_eng1_sel", 19),
GATE_AUDIO0(CLK_AUD_TDM, "aud_tdm", "aud_eng1_sel", 20),
GATE_AUDIO0(CLK_AUD_ADC, "aud_adc", "audio_sel", 24),
GATE_AUDIO0(CLK_AUD_DAC, "aud_dac", "audio_sel", 25),
GATE_AUDIO0(CLK_AUD_DAC_PREDIS, "aud_dac_predis",
"audio_sel", 26),
GATE_AUDIO0(CLK_AUD_TML, "aud_tml", "audio_sel", 27),
GATE_AUDIO0(CLK_AUD_NLE, "aud_nle", "audio_sel", 28),
/* AUDIO1 */
GATE_AUDIO1(CLK_AUD_I2S1_BCLK_SW, "aud_i2s1_bclk",
"audio_sel", 4),
GATE_AUDIO1(CLK_AUD_I2S2_BCLK_SW, "aud_i2s2_bclk",
"audio_sel", 5),
GATE_AUDIO1(CLK_AUD_I2S3_BCLK_SW, "aud_i2s3_bclk",
"audio_sel", 6),
GATE_AUDIO1(CLK_AUD_I2S4_BCLK_SW, "aud_i2s4_bclk",
"audio_sel", 7),
GATE_AUDIO1(CLK_AUD_I2S5_BCLK_SW, "aud_i2s5_bclk",
"audio_sel", 8),
GATE_AUDIO1(CLK_AUD_CONN_I2S_ASRC, "aud_conn_i2s",
"audio_sel", 12),
GATE_AUDIO1(CLK_AUD_GENERAL1_ASRC, "aud_general1",
"audio_sel", 13),
GATE_AUDIO1(CLK_AUD_GENERAL2_ASRC, "aud_general2",
"audio_sel", 14),
GATE_AUDIO1(CLK_AUD_DAC_HIRES, "aud_dac_hires",
"audio_h_sel", 15),
GATE_AUDIO1(CLK_AUD_ADC_HIRES, "aud_adc_hires",
"audio_h_sel", 16),
GATE_AUDIO1(CLK_AUD_ADC_HIRES_TML, "aud_adc_hires_tml",
"audio_h_sel", 17),
GATE_AUDIO1(CLK_AUD_PDN_ADDA6_ADC, "aud_pdn_adda6_adc",
"audio_sel", 20),
GATE_AUDIO1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires",
"audio_h_sel",
21),
GATE_AUDIO1(CLK_AUD_3RD_DAC, "aud_3rd_dac", "audio_sel",
28),
GATE_AUDIO1(CLK_AUD_3RD_DAC_PREDIS, "aud_3rd_dac_predis",
"audio_sel", 29),
GATE_AUDIO1(CLK_AUD_3RD_DAC_TML, "aud_3rd_dac_tml",
"audio_sel", 30),
GATE_AUDIO1(CLK_AUD_3RD_DAC_HIRES, "aud_3rd_dac_hires",
"audio_h_sel", 31),
};
static const struct of_device_id of_match_clk_mt6779_aud[] = {
{ .compatible = "mediatek,mt6779-audio", },
{}
};
static int clk_mt6779_aud_probe(struct platform_device *pdev)
{
struct clk_hw_onecell_data *clk_data;
struct device_node *node = pdev->dev.of_node;
clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK);
mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks),
clk_data);
return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
}
static struct platform_driver clk_mt6779_aud_drv = {
.probe = clk_mt6779_aud_probe,
.driver = {
.name = "clk-mt6779-aud",
.of_match_table = of_match_clk_mt6779_aud,
},
};
module_platform_driver(clk_mt6779_aud_drv);
MODULE_LICENSE("GPL");
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