drivers/clk/qcom/lpasscc-sc8280xp.c

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