1acddfc2cSWeiyi Lu // SPDX-License-Identifier: GPL-2.0 2acddfc2cSWeiyi Lu // 3acddfc2cSWeiyi Lu // Copyright (c) 2018 MediaTek Inc. 4acddfc2cSWeiyi Lu // Author: Weiyi Lu <weiyi.lu@mediatek.com> 5acddfc2cSWeiyi Lu 6acddfc2cSWeiyi Lu #include <linux/clk-provider.h> 7acddfc2cSWeiyi Lu #include <linux/of_platform.h> 8acddfc2cSWeiyi Lu #include <linux/platform_device.h> 9acddfc2cSWeiyi Lu 10acddfc2cSWeiyi Lu #include "clk-mtk.h" 11acddfc2cSWeiyi Lu #include "clk-gate.h" 12acddfc2cSWeiyi Lu 13acddfc2cSWeiyi Lu #include <dt-bindings/clock/mt8183-clk.h> 14acddfc2cSWeiyi Lu 15acddfc2cSWeiyi Lu static const struct mtk_gate_regs audio0_cg_regs = { 16acddfc2cSWeiyi Lu .set_ofs = 0x0, 17acddfc2cSWeiyi Lu .clr_ofs = 0x0, 18acddfc2cSWeiyi Lu .sta_ofs = 0x0, 19acddfc2cSWeiyi Lu }; 20acddfc2cSWeiyi Lu 21acddfc2cSWeiyi Lu static const struct mtk_gate_regs audio1_cg_regs = { 22acddfc2cSWeiyi Lu .set_ofs = 0x4, 23acddfc2cSWeiyi Lu .clr_ofs = 0x4, 24acddfc2cSWeiyi Lu .sta_ofs = 0x4, 25acddfc2cSWeiyi Lu }; 26acddfc2cSWeiyi Lu 27acddfc2cSWeiyi Lu #define GATE_AUDIO0(_id, _name, _parent, _shift) \ 28acddfc2cSWeiyi Lu GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, \ 29acddfc2cSWeiyi Lu &mtk_clk_gate_ops_no_setclr) 30acddfc2cSWeiyi Lu 31acddfc2cSWeiyi Lu #define GATE_AUDIO1(_id, _name, _parent, _shift) \ 32acddfc2cSWeiyi Lu GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, \ 33acddfc2cSWeiyi Lu &mtk_clk_gate_ops_no_setclr) 34acddfc2cSWeiyi Lu 35acddfc2cSWeiyi Lu static const struct mtk_gate audio_clks[] = { 36acddfc2cSWeiyi Lu /* AUDIO0 */ 37acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_AFE, "aud_afe", "audio_sel", 38acddfc2cSWeiyi Lu 2), 39acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_eng1_sel", 40acddfc2cSWeiyi Lu 8), 41acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_24M, "aud_24m", "aud_eng2_sel", 42acddfc2cSWeiyi Lu 9), 43acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_APLL2_TUNER, "aud_apll2_tuner", "aud_eng2_sel", 44acddfc2cSWeiyi Lu 18), 45acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner", "aud_eng1_sel", 46acddfc2cSWeiyi Lu 19), 47acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_TDM, "aud_tdm", "apll12_divb", 48acddfc2cSWeiyi Lu 20), 49acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_sel", 50acddfc2cSWeiyi Lu 24), 51acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_sel", 52acddfc2cSWeiyi Lu 25), 53acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis", "audio_sel", 54acddfc2cSWeiyi Lu 26), 55acddfc2cSWeiyi Lu GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_sel", 56acddfc2cSWeiyi Lu 27), 57acddfc2cSWeiyi Lu /* AUDIO1 */ 58acddfc2cSWeiyi Lu GATE_AUDIO1(CLK_AUDIO_I2S1, "aud_i2s1", "audio_sel", 59acddfc2cSWeiyi Lu 4), 60acddfc2cSWeiyi Lu GATE_AUDIO1(CLK_AUDIO_I2S2, "aud_i2s2", "audio_sel", 61acddfc2cSWeiyi Lu 5), 62acddfc2cSWeiyi Lu GATE_AUDIO1(CLK_AUDIO_I2S3, "aud_i2s3", "audio_sel", 63acddfc2cSWeiyi Lu 6), 64acddfc2cSWeiyi Lu GATE_AUDIO1(CLK_AUDIO_I2S4, "aud_i2s4", "audio_sel", 65acddfc2cSWeiyi Lu 7), 66acddfc2cSWeiyi Lu GATE_AUDIO1(CLK_AUDIO_PDN_ADDA6_ADC, "aud_pdn_adda6_adc", "audio_sel", 67acddfc2cSWeiyi Lu 20), 68acddfc2cSWeiyi Lu }; 69acddfc2cSWeiyi Lu 70acddfc2cSWeiyi Lu static int clk_mt8183_audio_probe(struct platform_device *pdev) 71acddfc2cSWeiyi Lu { 72acddfc2cSWeiyi Lu struct clk_onecell_data *clk_data; 73acddfc2cSWeiyi Lu int r; 74acddfc2cSWeiyi Lu struct device_node *node = pdev->dev.of_node; 75acddfc2cSWeiyi Lu 76acddfc2cSWeiyi Lu clk_data = mtk_alloc_clk_data(CLK_AUDIO_NR_CLK); 77acddfc2cSWeiyi Lu 78acddfc2cSWeiyi Lu mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks), 79acddfc2cSWeiyi Lu clk_data); 80acddfc2cSWeiyi Lu 81acddfc2cSWeiyi Lu r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 82acddfc2cSWeiyi Lu if (r) 83acddfc2cSWeiyi Lu return r; 84acddfc2cSWeiyi Lu 85acddfc2cSWeiyi Lu r = devm_of_platform_populate(&pdev->dev); 86acddfc2cSWeiyi Lu if (r) 87acddfc2cSWeiyi Lu of_clk_del_provider(node); 88acddfc2cSWeiyi Lu 89acddfc2cSWeiyi Lu return r; 90acddfc2cSWeiyi Lu } 91acddfc2cSWeiyi Lu 92acddfc2cSWeiyi Lu static const struct of_device_id of_match_clk_mt8183_audio[] = { 93acddfc2cSWeiyi Lu { .compatible = "mediatek,mt8183-audiosys", }, 94acddfc2cSWeiyi Lu {} 95acddfc2cSWeiyi Lu }; 96acddfc2cSWeiyi Lu 97acddfc2cSWeiyi Lu static struct platform_driver clk_mt8183_audio_drv = { 98acddfc2cSWeiyi Lu .probe = clk_mt8183_audio_probe, 99acddfc2cSWeiyi Lu .driver = { 100acddfc2cSWeiyi Lu .name = "clk-mt8183-audio", 101acddfc2cSWeiyi Lu .of_match_table = of_match_clk_mt8183_audio, 102acddfc2cSWeiyi Lu }, 103acddfc2cSWeiyi Lu }; 104acddfc2cSWeiyi Lu 105acddfc2cSWeiyi Lu builtin_platform_driver(clk_mt8183_audio_drv); 106