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/mod_devicetable.h> 10 #include <linux/module.h> 11 #include <linux/of.h> 12 #include <linux/platform_device.h> 13 #include <linux/regmap.h> 14 15 #include <dt-bindings/clock/qcom,sc8280xp-lpasscc.h> 16 17 #include "common.h" 18 #include "reset.h" 19 20 static const struct qcom_reset_map lpass_audiocc_sc8280xp_resets[] = { 21 [LPASS_AUDIO_SWR_RX_CGCR] = { 0xa0, 1 }, 22 [LPASS_AUDIO_SWR_WSA_CGCR] = { 0xb0, 1 }, 23 [LPASS_AUDIO_SWR_WSA2_CGCR] = { 0xd8, 1 }, 24 }; 25 26 static struct regmap_config lpass_audiocc_sc8280xp_regmap_config = { 27 .reg_bits = 32, 28 .reg_stride = 4, 29 .val_bits = 32, 30 .name = "lpass-audio-csr", 31 .max_register = 0x1000, 32 }; 33 34 static const struct qcom_cc_desc lpass_audiocc_sc8280xp_reset_desc = { 35 .config = &lpass_audiocc_sc8280xp_regmap_config, 36 .resets = lpass_audiocc_sc8280xp_resets, 37 .num_resets = ARRAY_SIZE(lpass_audiocc_sc8280xp_resets), 38 }; 39 40 static const struct qcom_reset_map lpasscc_sc8280xp_resets[] = { 41 [LPASS_AUDIO_SWR_TX_CGCR] = { 0xc010, 1 }, 42 }; 43 44 static struct regmap_config lpasscc_sc8280xp_regmap_config = { 45 .reg_bits = 32, 46 .reg_stride = 4, 47 .val_bits = 32, 48 .name = "lpass-tcsr", 49 .max_register = 0x12000, 50 }; 51 52 static const struct qcom_cc_desc lpasscc_sc8280xp_reset_desc = { 53 .config = &lpasscc_sc8280xp_regmap_config, 54 .resets = lpasscc_sc8280xp_resets, 55 .num_resets = ARRAY_SIZE(lpasscc_sc8280xp_resets), 56 }; 57 58 static const struct of_device_id lpasscc_sc8280xp_match_table[] = { 59 { 60 .compatible = "qcom,sc8280xp-lpassaudiocc", 61 .data = &lpass_audiocc_sc8280xp_reset_desc, 62 }, { 63 .compatible = "qcom,sc8280xp-lpasscc", 64 .data = &lpasscc_sc8280xp_reset_desc, 65 }, 66 { } 67 }; 68 MODULE_DEVICE_TABLE(of, lpasscc_sc8280xp_match_table); 69 70 static int lpasscc_sc8280xp_probe(struct platform_device *pdev) 71 { 72 const struct qcom_cc_desc *desc = of_device_get_match_data(&pdev->dev); 73 74 return qcom_cc_probe_by_index(pdev, 0, desc); 75 } 76 77 static struct platform_driver lpasscc_sc8280xp_driver = { 78 .probe = lpasscc_sc8280xp_probe, 79 .driver = { 80 .name = "lpasscc-sc8280xp", 81 .of_match_table = lpasscc_sc8280xp_match_table, 82 }, 83 }; 84 85 module_platform_driver(lpasscc_sc8280xp_driver); 86 87 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>"); 88 MODULE_DESCRIPTION("QTI LPASSCC SC8280XP Driver"); 89 MODULE_LICENSE("GPL"); 90