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161 lines
3.9 KiB
161 lines
3.9 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2018, The Linux Foundation. All rights reserved. |
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*/ |
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#include <linux/clk-provider.h> |
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#include <linux/platform_device.h> |
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#include <linux/module.h> |
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#include <linux/of_address.h> |
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#include <linux/regmap.h> |
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#include <dt-bindings/clock/qcom,lpass-sdm845.h> |
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#include "clk-regmap.h" |
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#include "clk-branch.h" |
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#include "common.h" |
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static struct clk_branch lpass_q6ss_ahbm_aon_clk = { |
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.halt_reg = 0x12000, |
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.halt_check = BRANCH_VOTED, |
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.clkr = { |
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.enable_reg = 0x12000, |
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.enable_mask = BIT(0), |
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.hw.init = &(struct clk_init_data){ |
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.name = "lpass_q6ss_ahbm_aon_clk", |
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.ops = &clk_branch2_ops, |
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}, |
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}, |
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}; |
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static struct clk_branch lpass_q6ss_ahbs_aon_clk = { |
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.halt_reg = 0x1f000, |
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.halt_check = BRANCH_VOTED, |
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.clkr = { |
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.enable_reg = 0x1f000, |
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.enable_mask = BIT(0), |
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.hw.init = &(struct clk_init_data){ |
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.name = "lpass_q6ss_ahbs_aon_clk", |
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.ops = &clk_branch2_ops, |
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}, |
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}, |
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}; |
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static struct clk_branch lpass_qdsp6ss_core_clk = { |
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.halt_reg = 0x20, |
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/* CLK_OFF would not toggle until LPASS is out of reset */ |
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.halt_check = BRANCH_HALT_SKIP, |
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.clkr = { |
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.enable_reg = 0x20, |
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.enable_mask = BIT(0), |
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.hw.init = &(struct clk_init_data){ |
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.name = "lpass_qdsp6ss_core_clk", |
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.ops = &clk_branch2_ops, |
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}, |
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}, |
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}; |
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static struct clk_branch lpass_qdsp6ss_xo_clk = { |
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.halt_reg = 0x38, |
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/* CLK_OFF would not toggle until LPASS is out of reset */ |
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.halt_check = BRANCH_HALT_SKIP, |
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.clkr = { |
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.enable_reg = 0x38, |
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.enable_mask = BIT(0), |
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.hw.init = &(struct clk_init_data){ |
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.name = "lpass_qdsp6ss_xo_clk", |
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.ops = &clk_branch2_ops, |
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}, |
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}, |
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}; |
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static struct clk_branch lpass_qdsp6ss_sleep_clk = { |
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.halt_reg = 0x3c, |
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/* CLK_OFF would not toggle until LPASS is out of reset */ |
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.halt_check = BRANCH_HALT_SKIP, |
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.clkr = { |
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.enable_reg = 0x3c, |
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.enable_mask = BIT(0), |
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.hw.init = &(struct clk_init_data){ |
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.name = "lpass_qdsp6ss_sleep_clk", |
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.ops = &clk_branch2_ops, |
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}, |
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}, |
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}; |
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static struct regmap_config lpass_regmap_config = { |
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.reg_bits = 32, |
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.reg_stride = 4, |
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.val_bits = 32, |
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.fast_io = true, |
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}; |
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static struct clk_regmap *lpass_cc_sdm845_clocks[] = { |
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[LPASS_Q6SS_AHBM_AON_CLK] = &lpass_q6ss_ahbm_aon_clk.clkr, |
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[LPASS_Q6SS_AHBS_AON_CLK] = &lpass_q6ss_ahbs_aon_clk.clkr, |
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}; |
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static const struct qcom_cc_desc lpass_cc_sdm845_desc = { |
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.config = &lpass_regmap_config, |
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.clks = lpass_cc_sdm845_clocks, |
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.num_clks = ARRAY_SIZE(lpass_cc_sdm845_clocks), |
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}; |
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static struct clk_regmap *lpass_qdsp6ss_sdm845_clocks[] = { |
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[LPASS_QDSP6SS_XO_CLK] = &lpass_qdsp6ss_xo_clk.clkr, |
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[LPASS_QDSP6SS_SLEEP_CLK] = &lpass_qdsp6ss_sleep_clk.clkr, |
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[LPASS_QDSP6SS_CORE_CLK] = &lpass_qdsp6ss_core_clk.clkr, |
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}; |
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static const struct qcom_cc_desc lpass_qdsp6ss_sdm845_desc = { |
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.config = &lpass_regmap_config, |
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.clks = lpass_qdsp6ss_sdm845_clocks, |
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.num_clks = ARRAY_SIZE(lpass_qdsp6ss_sdm845_clocks), |
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}; |
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static int lpass_cc_sdm845_probe(struct platform_device *pdev) |
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{ |
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const struct qcom_cc_desc *desc; |
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int ret; |
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lpass_regmap_config.name = "cc"; |
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desc = &lpass_cc_sdm845_desc; |
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ret = qcom_cc_probe_by_index(pdev, 0, desc); |
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if (ret) |
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return ret; |
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lpass_regmap_config.name = "qdsp6ss"; |
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desc = &lpass_qdsp6ss_sdm845_desc; |
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return qcom_cc_probe_by_index(pdev, 1, desc); |
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} |
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static const struct of_device_id lpass_cc_sdm845_match_table[] = { |
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{ .compatible = "qcom,sdm845-lpasscc" }, |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(of, lpass_cc_sdm845_match_table); |
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static struct platform_driver lpass_cc_sdm845_driver = { |
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.probe = lpass_cc_sdm845_probe, |
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.driver = { |
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.name = "sdm845-lpasscc", |
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.of_match_table = lpass_cc_sdm845_match_table, |
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}, |
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}; |
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static int __init lpass_cc_sdm845_init(void) |
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{ |
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return platform_driver_register(&lpass_cc_sdm845_driver); |
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} |
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subsys_initcall(lpass_cc_sdm845_init); |
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static void __exit lpass_cc_sdm845_exit(void) |
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{ |
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platform_driver_unregister(&lpass_cc_sdm845_driver); |
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} |
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module_exit(lpass_cc_sdm845_exit); |
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MODULE_DESCRIPTION("QTI LPASS_CC SDM845 Driver"); |
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MODULE_LICENSE("GPL v2");
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