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| // SPDX-License-Identifier: GPL-2.0
| //
| // Copyright (c) 2018 MediaTek Inc.
| // Author: Weiyi Lu <weiyi.lu@mediatek.com>
|
| #include <linux/clk-provider.h>
| #include <linux/of_platform.h>
| #include <linux/platform_device.h>
|
| #include "clk-mtk.h"
| #include "clk-gate.h"
|
| #include <dt-bindings/clock/mt8183-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_AUDIO_AFE, "aud_afe", "audio_sel",
| 2),
| GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_eng1_sel",
| 8),
| GATE_AUDIO0(CLK_AUDIO_24M, "aud_24m", "aud_eng2_sel",
| 9),
| GATE_AUDIO0(CLK_AUDIO_APLL2_TUNER, "aud_apll2_tuner", "aud_eng2_sel",
| 18),
| GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner", "aud_eng1_sel",
| 19),
| GATE_AUDIO0(CLK_AUDIO_TDM, "aud_tdm", "apll12_divb",
| 20),
| GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_sel",
| 24),
| GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_sel",
| 25),
| GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis", "audio_sel",
| 26),
| GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_sel",
| 27),
| /* AUDIO1 */
| GATE_AUDIO1(CLK_AUDIO_I2S1, "aud_i2s1", "audio_sel",
| 4),
| GATE_AUDIO1(CLK_AUDIO_I2S2, "aud_i2s2", "audio_sel",
| 5),
| GATE_AUDIO1(CLK_AUDIO_I2S3, "aud_i2s3", "audio_sel",
| 6),
| GATE_AUDIO1(CLK_AUDIO_I2S4, "aud_i2s4", "audio_sel",
| 7),
| GATE_AUDIO1(CLK_AUDIO_PDN_ADDA6_ADC, "aud_pdn_adda6_adc", "audio_sel",
| 20),
| };
|
| static int clk_mt8183_audio_probe(struct platform_device *pdev)
| {
| struct clk_onecell_data *clk_data;
| int r;
| struct device_node *node = pdev->dev.of_node;
|
| clk_data = mtk_alloc_clk_data(CLK_AUDIO_NR_CLK);
|
| mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks),
| clk_data);
|
| r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
| if (r)
| return r;
|
| r = devm_of_platform_populate(&pdev->dev);
| if (r)
| of_clk_del_provider(node);
|
| return r;
| }
|
| static const struct of_device_id of_match_clk_mt8183_audio[] = {
| { .compatible = "mediatek,mt8183-audiosys", },
| {}
| };
|
| static struct platform_driver clk_mt8183_audio_drv = {
| .probe = clk_mt8183_audio_probe,
| .driver = {
| .name = "clk-mt8183-audio",
| .of_match_table = of_match_clk_mt8183_audio,
| },
| };
|
| builtin_platform_driver(clk_mt8183_audio_drv);
|
|
