// SPDX-License-Identifier: GPL-2.0 // // mt8192-afe-clk.c -- Mediatek 8192 afe clock ctrl // // Copyright (c) 2020 MediaTek Inc. // Author: Shane Chien // #include #include #include #include #include "mt8192-afe-clk.h" #include "mt8192-afe-common.h" static const char *aud_clks[CLK_NUM] = { [CLK_AFE] = "aud_afe_clk", [CLK_TML] = "aud_tml_clk", [CLK_APLL22M] = "aud_apll22m_clk", [CLK_APLL24M] = "aud_apll24m_clk", [CLK_APLL1_TUNER] = "aud_apll1_tuner_clk", [CLK_APLL2_TUNER] = "aud_apll2_tuner_clk", [CLK_NLE] = "aud_nle", [CLK_INFRA_SYS_AUDIO] = "aud_infra_clk", [CLK_INFRA_AUDIO_26M] = "aud_infra_26m_clk", [CLK_MUX_AUDIO] = "top_mux_audio", [CLK_MUX_AUDIOINTBUS] = "top_mux_audio_int", [CLK_TOP_MAINPLL_D4_D4] = "top_mainpll_d4_d4", [CLK_TOP_MUX_AUD_1] = "top_mux_aud_1", [CLK_TOP_APLL1_CK] = "top_apll1_ck", [CLK_TOP_MUX_AUD_2] = "top_mux_aud_2", [CLK_TOP_APLL2_CK] = "top_apll2_ck", [CLK_TOP_MUX_AUD_ENG1] = "top_mux_aud_eng1", [CLK_TOP_APLL1_D4] = "top_apll1_d4", [CLK_TOP_MUX_AUD_ENG2] = "top_mux_aud_eng2", [CLK_TOP_APLL2_D4] = "top_apll2_d4", [CLK_TOP_MUX_AUDIO_H] = "top_mux_audio_h", [CLK_TOP_I2S0_M_SEL] = "top_i2s0_m_sel", [CLK_TOP_I2S1_M_SEL] = "top_i2s1_m_sel", [CLK_TOP_I2S2_M_SEL] = "top_i2s2_m_sel", [CLK_TOP_I2S3_M_SEL] = "top_i2s3_m_sel", [CLK_TOP_I2S4_M_SEL] = "top_i2s4_m_sel", [CLK_TOP_I2S5_M_SEL] = "top_i2s5_m_sel", [CLK_TOP_I2S6_M_SEL] = "top_i2s6_m_sel", [CLK_TOP_I2S7_M_SEL] = "top_i2s7_m_sel", [CLK_TOP_I2S8_M_SEL] = "top_i2s8_m_sel", [CLK_TOP_I2S9_M_SEL] = "top_i2s9_m_sel", [CLK_TOP_APLL12_DIV0] = "top_apll12_div0", [CLK_TOP_APLL12_DIV1] = "top_apll12_div1", [CLK_TOP_APLL12_DIV2] = "top_apll12_div2", [CLK_TOP_APLL12_DIV3] = "top_apll12_div3", [CLK_TOP_APLL12_DIV4] = "top_apll12_div4", [CLK_TOP_APLL12_DIVB] = "top_apll12_divb", [CLK_TOP_APLL12_DIV5] = "top_apll12_div5", [CLK_TOP_APLL12_DIV6] = "top_apll12_div6", [CLK_TOP_APLL12_DIV7] = "top_apll12_div7", [CLK_TOP_APLL12_DIV8] = "top_apll12_div8", [CLK_TOP_APLL12_DIV9] = "top_apll12_div9", [CLK_CLK26M] = "top_clk26m_clk", }; int mt8192_set_audio_int_bus_parent(struct mtk_base_afe *afe, int clk_id) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int ret; ret = clk_set_parent(afe_priv->clk[CLK_MUX_AUDIOINTBUS], afe_priv->clk[clk_id]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_MUX_AUDIOINTBUS], aud_clks[clk_id], ret); } return ret; } static int apll1_mux_setting(struct mtk_base_afe *afe, bool enable) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int ret; if (enable) { ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_1]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_1], ret); goto EXIT; } ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], afe_priv->clk[CLK_TOP_APLL1_CK]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_1], aud_clks[CLK_TOP_APLL1_CK], ret); goto EXIT; } /* 180.6336 / 4 = 45.1584MHz */ ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], ret); goto EXIT; } ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], afe_priv->clk[CLK_TOP_APLL1_D4]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], aud_clks[CLK_TOP_APLL1_D4], ret); goto EXIT; } } else { ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], afe_priv->clk[CLK_CLK26M]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], aud_clks[CLK_CLK26M], ret); goto EXIT; } clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], afe_priv->clk[CLK_CLK26M]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_1], aud_clks[CLK_CLK26M], ret); goto EXIT; } clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_1]); } EXIT: return ret; } static int apll2_mux_setting(struct mtk_base_afe *afe, bool enable) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int ret; if (enable) { ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_2]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_2], ret); goto EXIT; } ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], afe_priv->clk[CLK_TOP_APLL2_CK]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_2], aud_clks[CLK_TOP_APLL2_CK], ret); goto EXIT; } /* 196.608 / 4 = 49.152MHz */ ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], ret); goto EXIT; } ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], afe_priv->clk[CLK_TOP_APLL2_D4]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], aud_clks[CLK_TOP_APLL2_D4], ret); goto EXIT; } } else { ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], afe_priv->clk[CLK_CLK26M]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], aud_clks[CLK_CLK26M], ret); goto EXIT; } clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], afe_priv->clk[CLK_CLK26M]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUD_2], aud_clks[CLK_CLK26M], ret); goto EXIT; } clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_2]); } EXIT: return ret; } int mt8192_afe_enable_clock(struct mtk_base_afe *afe) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int ret; ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_INFRA_SYS_AUDIO], ret); goto EXIT; } ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_AUDIO_26M]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_INFRA_AUDIO_26M], ret); goto EXIT; } ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIO]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_MUX_AUDIO], ret); goto EXIT; } ret = clk_set_parent(afe_priv->clk[CLK_MUX_AUDIO], afe_priv->clk[CLK_CLK26M]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_MUX_AUDIO], aud_clks[CLK_CLK26M], ret); goto EXIT; } ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_MUX_AUDIOINTBUS], ret); goto EXIT; } ret = mt8192_set_audio_int_bus_parent(afe, CLK_CLK26M); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_MUX_AUDIOINTBUS], aud_clks[CLK_CLK26M], ret); goto EXIT; } ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUDIO_H], afe_priv->clk[CLK_TOP_APLL2_CK]); if (ret) { dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_TOP_MUX_AUDIO_H], aud_clks[CLK_TOP_APLL2_CK], ret); goto EXIT; } ret = clk_prepare_enable(afe_priv->clk[CLK_AFE]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_AFE], ret); goto EXIT; } EXIT: return ret; } void mt8192_afe_disable_clock(struct mtk_base_afe *afe) { struct mt8192_afe_private *afe_priv = afe->platform_priv; clk_disable_unprepare(afe_priv->clk[CLK_AFE]); mt8192_set_audio_int_bus_parent(afe, CLK_CLK26M); clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIO]); clk_disable_unprepare(afe_priv->clk[CLK_INFRA_AUDIO_26M]); clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); } int mt8192_apll1_enable(struct mtk_base_afe *afe) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int ret; /* setting for APLL */ apll1_mux_setting(afe, true); ret = clk_prepare_enable(afe_priv->clk[CLK_APLL22M]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_APLL22M], ret); goto EXIT; } ret = clk_prepare_enable(afe_priv->clk[CLK_APLL1_TUNER]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_APLL1_TUNER], ret); goto EXIT; } regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x0000FFF7, 0x00000832); regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x1, 0x1); regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, AFE_22M_ON_MASK_SFT, 0x1 << AFE_22M_ON_SFT); EXIT: return ret; } void mt8192_apll1_disable(struct mtk_base_afe *afe) { struct mt8192_afe_private *afe_priv = afe->platform_priv; regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, AFE_22M_ON_MASK_SFT, 0x0 << AFE_22M_ON_SFT); regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x1, 0x0); clk_disable_unprepare(afe_priv->clk[CLK_APLL1_TUNER]); clk_disable_unprepare(afe_priv->clk[CLK_APLL22M]); apll1_mux_setting(afe, false); } int mt8192_apll2_enable(struct mtk_base_afe *afe) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int ret; /* setting for APLL */ apll2_mux_setting(afe, true); ret = clk_prepare_enable(afe_priv->clk[CLK_APLL24M]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_APLL24M], ret); goto EXIT; } ret = clk_prepare_enable(afe_priv->clk[CLK_APLL2_TUNER]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_APLL2_TUNER], ret); goto EXIT; } regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x0000FFF7, 0x00000634); regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x1, 0x1); regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, AFE_24M_ON_MASK_SFT, 0x1 << AFE_24M_ON_SFT); EXIT: return ret; } void mt8192_apll2_disable(struct mtk_base_afe *afe) { struct mt8192_afe_private *afe_priv = afe->platform_priv; regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, AFE_24M_ON_MASK_SFT, 0x0 << AFE_24M_ON_SFT); regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x1, 0x0); clk_disable_unprepare(afe_priv->clk[CLK_APLL2_TUNER]); clk_disable_unprepare(afe_priv->clk[CLK_APLL24M]); apll2_mux_setting(afe, false); } int mt8192_get_apll_rate(struct mtk_base_afe *afe, int apll) { return (apll == MT8192_APLL1) ? 180633600 : 196608000; } int mt8192_get_apll_by_rate(struct mtk_base_afe *afe, int rate) { return ((rate % 8000) == 0) ? MT8192_APLL2 : MT8192_APLL1; } int mt8192_get_apll_by_name(struct mtk_base_afe *afe, const char *name) { if (strcmp(name, APLL1_W_NAME) == 0) return MT8192_APLL1; else return MT8192_APLL2; } /* mck */ struct mt8192_mck_div { int m_sel_id; int div_clk_id; /* below will be deprecated */ int div_pdn_reg; int div_pdn_mask_sft; int div_reg; int div_mask_sft; int div_mask; int div_sft; int div_apll_sel_reg; int div_apll_sel_mask_sft; int div_apll_sel_sft; }; static const struct mt8192_mck_div mck_div[MT8192_MCK_NUM] = { [MT8192_I2S0_MCK] = { .m_sel_id = CLK_TOP_I2S0_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV0, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV0_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_2, .div_mask_sft = APLL12_CK_DIV0_MASK_SFT, .div_mask = APLL12_CK_DIV0_MASK, .div_sft = APLL12_CK_DIV0_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S0_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S0_MCK_SEL_SFT, }, [MT8192_I2S1_MCK] = { .m_sel_id = CLK_TOP_I2S1_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV1, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV1_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_2, .div_mask_sft = APLL12_CK_DIV1_MASK_SFT, .div_mask = APLL12_CK_DIV1_MASK, .div_sft = APLL12_CK_DIV1_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S1_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S1_MCK_SEL_SFT, }, [MT8192_I2S2_MCK] = { .m_sel_id = CLK_TOP_I2S2_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV2, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV2_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_2, .div_mask_sft = APLL12_CK_DIV2_MASK_SFT, .div_mask = APLL12_CK_DIV2_MASK, .div_sft = APLL12_CK_DIV2_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S2_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S2_MCK_SEL_SFT, }, [MT8192_I2S3_MCK] = { .m_sel_id = CLK_TOP_I2S3_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV3, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV3_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_2, .div_mask_sft = APLL12_CK_DIV3_MASK_SFT, .div_mask = APLL12_CK_DIV3_MASK, .div_sft = APLL12_CK_DIV3_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S3_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S3_MCK_SEL_SFT, }, [MT8192_I2S4_MCK] = { .m_sel_id = CLK_TOP_I2S4_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV4, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV4_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_3, .div_mask_sft = APLL12_CK_DIV4_MASK_SFT, .div_mask = APLL12_CK_DIV4_MASK, .div_sft = APLL12_CK_DIV4_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S4_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S4_MCK_SEL_SFT, }, [MT8192_I2S4_BCK] = { .m_sel_id = -1, .div_clk_id = CLK_TOP_APLL12_DIVB, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIVB_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_2, .div_mask_sft = APLL12_CK_DIVB_MASK_SFT, .div_mask = APLL12_CK_DIVB_MASK, .div_sft = APLL12_CK_DIVB_SFT, }, [MT8192_I2S5_MCK] = { .m_sel_id = CLK_TOP_I2S5_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV5, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV5_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_3, .div_mask_sft = APLL12_CK_DIV5_MASK_SFT, .div_mask = APLL12_CK_DIV5_MASK, .div_sft = APLL12_CK_DIV5_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S5_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S5_MCK_SEL_SFT, }, [MT8192_I2S6_MCK] = { .m_sel_id = CLK_TOP_I2S6_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV6, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV6_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_3, .div_mask_sft = APLL12_CK_DIV6_MASK_SFT, .div_mask = APLL12_CK_DIV6_MASK, .div_sft = APLL12_CK_DIV6_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S6_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S6_MCK_SEL_SFT, }, [MT8192_I2S7_MCK] = { .m_sel_id = CLK_TOP_I2S7_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV7, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV7_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_4, .div_mask_sft = APLL12_CK_DIV7_MASK_SFT, .div_mask = APLL12_CK_DIV7_MASK, .div_sft = APLL12_CK_DIV7_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S7_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S7_MCK_SEL_SFT, }, [MT8192_I2S8_MCK] = { .m_sel_id = CLK_TOP_I2S8_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV8, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV8_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_4, .div_mask_sft = APLL12_CK_DIV8_MASK_SFT, .div_mask = APLL12_CK_DIV8_MASK, .div_sft = APLL12_CK_DIV8_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S8_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S8_MCK_SEL_SFT, }, [MT8192_I2S9_MCK] = { .m_sel_id = CLK_TOP_I2S9_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV9, .div_pdn_reg = CLK_AUDDIV_0, .div_pdn_mask_sft = APLL12_DIV9_PDN_MASK_SFT, .div_reg = CLK_AUDDIV_4, .div_mask_sft = APLL12_CK_DIV9_MASK_SFT, .div_mask = APLL12_CK_DIV9_MASK, .div_sft = APLL12_CK_DIV9_SFT, .div_apll_sel_reg = CLK_AUDDIV_0, .div_apll_sel_mask_sft = APLL_I2S9_MCK_SEL_MASK_SFT, .div_apll_sel_sft = APLL_I2S9_MCK_SEL_SFT, }, }; int mt8192_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int apll = mt8192_get_apll_by_rate(afe, rate); int apll_clk_id = apll == MT8192_APLL1 ? CLK_TOP_MUX_AUD_1 : CLK_TOP_MUX_AUD_2; int m_sel_id = mck_div[mck_id].m_sel_id; int div_clk_id = mck_div[mck_id].div_clk_id; int ret; /* select apll */ if (m_sel_id >= 0) { ret = clk_prepare_enable(afe_priv->clk[m_sel_id]); if (ret) { dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", __func__, aud_clks[m_sel_id], ret); return ret; } ret = clk_set_parent(afe_priv->clk[m_sel_id], afe_priv->clk[apll_clk_id]); if (ret) { dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n", __func__, aud_clks[m_sel_id], aud_clks[apll_clk_id], ret); return ret; } } /* enable div, set rate */ ret = clk_prepare_enable(afe_priv->clk[div_clk_id]); if (ret) { dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", __func__, aud_clks[div_clk_id], ret); return ret; } ret = clk_set_rate(afe_priv->clk[div_clk_id], rate); if (ret) { dev_err(afe->dev, "%s(), clk_set_rate %s, rate %d, fail %d\n", __func__, aud_clks[div_clk_id], rate, ret); return ret; } return 0; } void mt8192_mck_disable(struct mtk_base_afe *afe, int mck_id) { struct mt8192_afe_private *afe_priv = afe->platform_priv; int m_sel_id = mck_div[mck_id].m_sel_id; int div_clk_id = mck_div[mck_id].div_clk_id; clk_disable_unprepare(afe_priv->clk[div_clk_id]); if (m_sel_id >= 0) clk_disable_unprepare(afe_priv->clk[m_sel_id]); } int mt8192_init_clock(struct mtk_base_afe *afe) { struct mt8192_afe_private *afe_priv = afe->platform_priv; struct device_node *of_node = afe->dev->of_node; int i = 0; afe_priv->clk = devm_kcalloc(afe->dev, CLK_NUM, sizeof(*afe_priv->clk), GFP_KERNEL); if (!afe_priv->clk) return -ENOMEM; for (i = 0; i < CLK_NUM; i++) { afe_priv->clk[i] = devm_clk_get(afe->dev, aud_clks[i]); if (IS_ERR(afe_priv->clk[i])) { dev_warn(afe->dev, "%s devm_clk_get %s fail, ret %ld\n", __func__, aud_clks[i], PTR_ERR(afe_priv->clk[i])); afe_priv->clk[i] = NULL; } } afe_priv->apmixedsys = syscon_regmap_lookup_by_phandle(of_node, "mediatek,apmixedsys"); if (IS_ERR(afe_priv->apmixedsys)) { dev_err(afe->dev, "%s() Cannot find apmixedsys controller: %ld\n", __func__, PTR_ERR(afe_priv->apmixedsys)); return PTR_ERR(afe_priv->apmixedsys); } afe_priv->topckgen = syscon_regmap_lookup_by_phandle(of_node, "mediatek,topckgen"); if (IS_ERR(afe_priv->topckgen)) { dev_err(afe->dev, "%s() Cannot find topckgen controller: %ld\n", __func__, PTR_ERR(afe_priv->topckgen)); return PTR_ERR(afe_priv->topckgen); } afe_priv->infracfg = syscon_regmap_lookup_by_phandle(of_node, "mediatek,infracfg"); if (IS_ERR(afe_priv->infracfg)) { dev_err(afe->dev, "%s() Cannot find infracfg: %ld\n", __func__, PTR_ERR(afe_priv->infracfg)); return PTR_ERR(afe_priv->infracfg); } return 0; }