1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2021, Linaro Limited 3 4 #include <linux/err.h> 5 #include <linux/init.h> 6 #include <linux/clk-provider.h> 7 #include <linux/module.h> 8 #include <linux/device.h> 9 #include <linux/platform_device.h> 10 #include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h> 11 #include "q6dsp-lpass-clocks.h" 12 #include "q6prm.h" 13 14 #define Q6PRM_CLK(id) { \ 15 .clk_id = id, \ 16 .q6dsp_clk_id = Q6PRM_##id, \ 17 .name = #id, \ 18 .rate = 19200000, \ 19 } 20 21 static const struct q6dsp_clk_init q6prm_clks[] = { 22 Q6PRM_CLK(LPASS_CLK_ID_PRI_MI2S_IBIT), 23 Q6PRM_CLK(LPASS_CLK_ID_PRI_MI2S_EBIT), 24 Q6PRM_CLK(LPASS_CLK_ID_SEC_MI2S_IBIT), 25 Q6PRM_CLK(LPASS_CLK_ID_SEC_MI2S_EBIT), 26 Q6PRM_CLK(LPASS_CLK_ID_TER_MI2S_IBIT), 27 Q6PRM_CLK(LPASS_CLK_ID_TER_MI2S_EBIT), 28 Q6PRM_CLK(LPASS_CLK_ID_QUAD_MI2S_IBIT), 29 Q6PRM_CLK(LPASS_CLK_ID_QUAD_MI2S_EBIT), 30 Q6PRM_CLK(LPASS_CLK_ID_SPEAKER_I2S_IBIT), 31 Q6PRM_CLK(LPASS_CLK_ID_SPEAKER_I2S_EBIT), 32 Q6PRM_CLK(LPASS_CLK_ID_SPEAKER_I2S_OSR), 33 Q6PRM_CLK(LPASS_CLK_ID_QUI_MI2S_IBIT), 34 Q6PRM_CLK(LPASS_CLK_ID_QUI_MI2S_EBIT), 35 Q6PRM_CLK(LPASS_CLK_ID_SEN_MI2S_IBIT), 36 Q6PRM_CLK(LPASS_CLK_ID_SEN_MI2S_EBIT), 37 Q6PRM_CLK(LPASS_CLK_ID_INT0_MI2S_IBIT), 38 Q6PRM_CLK(LPASS_CLK_ID_INT1_MI2S_IBIT), 39 Q6PRM_CLK(LPASS_CLK_ID_INT2_MI2S_IBIT), 40 Q6PRM_CLK(LPASS_CLK_ID_INT3_MI2S_IBIT), 41 Q6PRM_CLK(LPASS_CLK_ID_INT4_MI2S_IBIT), 42 Q6PRM_CLK(LPASS_CLK_ID_INT5_MI2S_IBIT), 43 Q6PRM_CLK(LPASS_CLK_ID_INT6_MI2S_IBIT), 44 Q6PRM_CLK(LPASS_CLK_ID_QUI_MI2S_OSR), 45 Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_MCLK), 46 Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_NPL_MCLK), 47 Q6PRM_CLK(LPASS_CLK_ID_VA_CORE_MCLK), 48 Q6PRM_CLK(LPASS_CLK_ID_TX_CORE_MCLK), 49 Q6PRM_CLK(LPASS_CLK_ID_TX_CORE_NPL_MCLK), 50 Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_MCLK), 51 Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_NPL_MCLK), 52 Q6PRM_CLK(LPASS_CLK_ID_VA_CORE_2X_MCLK), 53 Q6PRM_CLK(LPASS_CLK_ID_WSA2_CORE_MCLK), 54 Q6PRM_CLK(LPASS_CLK_ID_WSA2_CORE_2X_MCLK), 55 Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_TX_MCLK), 56 Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_TX_2X_MCLK), 57 Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_TX_MCLK), 58 Q6PRM_CLK(LPASS_CLK_ID_WSA_CORE_TX_2X_MCLK), 59 Q6PRM_CLK(LPASS_CLK_ID_WSA2_CORE_TX_MCLK), 60 Q6PRM_CLK(LPASS_CLK_ID_WSA2_CORE_TX_2X_MCLK), 61 Q6PRM_CLK(LPASS_CLK_ID_RX_CORE_MCLK2_2X_MCLK), 62 Q6DSP_VOTE_CLK(LPASS_HW_MACRO_VOTE, Q6PRM_HW_CORE_ID_LPASS, 63 "LPASS_HW_MACRO"), 64 Q6DSP_VOTE_CLK(LPASS_HW_DCODEC_VOTE, Q6PRM_HW_CORE_ID_DCODEC, 65 "LPASS_HW_DCODEC"), 66 }; 67 68 static const struct q6dsp_clk_desc q6dsp_clk_q6prm __maybe_unused = { 69 .clks = q6prm_clks, 70 .num_clks = ARRAY_SIZE(q6prm_clks), 71 .lpass_set_clk = q6prm_set_lpass_clock, 72 .lpass_vote_clk = q6prm_vote_lpass_core_hw, 73 .lpass_unvote_clk = q6prm_unvote_lpass_core_hw, 74 }; 75 76 #ifdef CONFIG_OF 77 static const struct of_device_id q6prm_clock_device_id[] = { 78 { .compatible = "qcom,q6prm-lpass-clocks", .data = &q6dsp_clk_q6prm }, 79 {}, 80 }; 81 MODULE_DEVICE_TABLE(of, q6prm_clock_device_id); 82 #endif 83 84 static struct platform_driver q6prm_clock_platform_driver = { 85 .driver = { 86 .name = "q6prm-lpass-clock", 87 .of_match_table = of_match_ptr(q6prm_clock_device_id), 88 }, 89 .probe = q6dsp_clock_dev_probe, 90 }; 91 module_platform_driver(q6prm_clock_platform_driver); 92 93 MODULE_DESCRIPTION("Q6 Proxy Resource Manager LPASS clock driver"); 94 MODULE_LICENSE("GPL"); 95