1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2022, Linaro Limited 4 */ 5 6 #include <linux/clk-provider.h> 7 #include <linux/err.h> 8 #include <linux/kernel.h> 9 #include <linux/module.h> 10 #include <linux/of.h> 11 #include <linux/platform_device.h> 12 #include <linux/regmap.h> 13 14 #include <dt-bindings/clock/qcom,sc8280xp-lpasscc.h> 15 16 #include "common.h" 17 #include "reset.h" 18 19 static const struct qcom_reset_map lpass_audiocc_sc8280xp_resets[] = { 20 [LPASS_AUDIO_SWR_RX_CGCR] = { 0xa0, 1 }, 21 [LPASS_AUDIO_SWR_WSA_CGCR] = { 0xb0, 1 }, 22 [LPASS_AUDIO_SWR_WSA2_CGCR] = { 0xd8, 1 }, 23 }; 24 25 static const struct regmap_config lpass_audiocc_sc8280xp_regmap_config = { 26 .reg_bits = 32, 27 .reg_stride = 4, 28 .val_bits = 32, 29 .name = "lpass-audio-csr", 30 .max_register = 0x1000, 31 }; 32 33 static const struct qcom_cc_desc lpass_audiocc_sc8280xp_reset_desc = { 34 .config = &lpass_audiocc_sc8280xp_regmap_config, 35 .resets = lpass_audiocc_sc8280xp_resets, 36 .num_resets = ARRAY_SIZE(lpass_audiocc_sc8280xp_resets), 37 }; 38 39 static const struct qcom_reset_map lpasscc_sc8280xp_resets[] = { 40 [LPASS_AUDIO_SWR_TX_CGCR] = { 0xc010, 1 }, 41 }; 42 43 static const struct regmap_config lpasscc_sc8280xp_regmap_config = { 44 .reg_bits = 32, 45 .reg_stride = 4, 46 .val_bits = 32, 47 .name = "lpass-tcsr", 48 .max_register = 0x12000, 49 }; 50 51 static const struct qcom_cc_desc lpasscc_sc8280xp_reset_desc = { 52 .config = &lpasscc_sc8280xp_regmap_config, 53 .resets = lpasscc_sc8280xp_resets, 54 .num_resets = ARRAY_SIZE(lpasscc_sc8280xp_resets), 55 }; 56 57 static const struct of_device_id lpasscc_sc8280xp_match_table[] = { 58 { 59 .compatible = "qcom,sc8280xp-lpassaudiocc", 60 .data = &lpass_audiocc_sc8280xp_reset_desc, 61 }, { 62 .compatible = "qcom,sc8280xp-lpasscc", 63 .data = &lpasscc_sc8280xp_reset_desc, 64 }, 65 { } 66 }; 67 MODULE_DEVICE_TABLE(of, lpasscc_sc8280xp_match_table); 68 69 static int lpasscc_sc8280xp_probe(struct platform_device *pdev) 70 { 71 const struct qcom_cc_desc *desc = of_device_get_match_data(&pdev->dev); 72 73 return qcom_cc_probe_by_index(pdev, 0, desc); 74 } 75 76 static struct platform_driver lpasscc_sc8280xp_driver = { 77 .probe = lpasscc_sc8280xp_probe, 78 .driver = { 79 .name = "lpasscc-sc8280xp", 80 .of_match_table = lpasscc_sc8280xp_match_table, 81 }, 82 }; 83 84 module_platform_driver(lpasscc_sc8280xp_driver); 85 86 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>"); 87 MODULE_DESCRIPTION("QTI LPASSCC SC8280XP Driver"); 88 MODULE_LICENSE("GPL"); 89