1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 /* 3 * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. 4 */ 5 6 #include <linux/clk-provider.h> 7 #include <linux/module.h> 8 #include <linux/platform_device.h> 9 #include <linux/regmap.h> 10 11 #include <dt-bindings/clock/qcom,sm8750-tcsr.h> 12 13 #include "clk-branch.h" 14 #include "clk-regmap.h" 15 #include "clk-regmap-divider.h" 16 #include "clk-regmap-mux.h" 17 #include "common.h" 18 19 enum { 20 DT_BI_TCXO_PAD, 21 }; 22 23 static struct clk_branch tcsr_pcie_0_clkref_en = { 24 .halt_reg = 0x15044, 25 .halt_check = BRANCH_HALT_DELAY, 26 .clkr = { 27 .enable_reg = 0x15044, 28 .enable_mask = BIT(0), 29 .hw.init = &(const struct clk_init_data) { 30 .name = "tcsr_pcie_0_clkref_en", 31 .ops = &clk_branch2_ops, 32 }, 33 }, 34 }; 35 36 static struct clk_branch tcsr_usb3_clkref_en = { 37 .halt_reg = 0x1504c, 38 .halt_check = BRANCH_HALT_DELAY, 39 .clkr = { 40 .enable_reg = 0x1504c, 41 .enable_mask = BIT(0), 42 .hw.init = &(const struct clk_init_data) { 43 .name = "tcsr_usb3_clkref_en", 44 .parent_data = &(const struct clk_parent_data){ 45 .index = DT_BI_TCXO_PAD, 46 }, 47 .num_parents = 1, 48 .ops = &clk_branch2_ops, 49 }, 50 }, 51 }; 52 53 static struct clk_branch tcsr_ufs_clkref_en = { 54 .halt_reg = 0x15054, 55 .halt_check = BRANCH_HALT_DELAY, 56 .clkr = { 57 .enable_reg = 0x15054, 58 .enable_mask = BIT(0), 59 .hw.init = &(const struct clk_init_data) { 60 .name = "tcsr_ufs_clkref_en", 61 .parent_data = &(const struct clk_parent_data){ 62 .index = DT_BI_TCXO_PAD, 63 }, 64 .num_parents = 1, 65 .ops = &clk_branch2_ops, 66 }, 67 }, 68 }; 69 70 static struct clk_branch tcsr_usb2_clkref_en = { 71 .halt_reg = 0x1505c, 72 .halt_check = BRANCH_HALT_DELAY, 73 .clkr = { 74 .enable_reg = 0x1505c, 75 .enable_mask = BIT(0), 76 .hw.init = &(const struct clk_init_data) { 77 .name = "tcsr_usb2_clkref_en", 78 .parent_data = &(const struct clk_parent_data){ 79 .index = DT_BI_TCXO_PAD, 80 }, 81 .num_parents = 1, 82 .ops = &clk_branch2_ops, 83 }, 84 }, 85 }; 86 87 static struct clk_regmap *tcsr_cc_kaanapali_clocks[] = { 88 [TCSR_PCIE_0_CLKREF_EN] = &tcsr_pcie_0_clkref_en.clkr, 89 [TCSR_UFS_CLKREF_EN] = &tcsr_ufs_clkref_en.clkr, 90 [TCSR_USB2_CLKREF_EN] = &tcsr_usb2_clkref_en.clkr, 91 [TCSR_USB3_CLKREF_EN] = &tcsr_usb3_clkref_en.clkr, 92 }; 93 94 static const struct regmap_config tcsr_cc_kaanapali_regmap_config = { 95 .reg_bits = 32, 96 .reg_stride = 4, 97 .val_bits = 32, 98 .max_register = 0x3d000, 99 .fast_io = true, 100 }; 101 102 static const struct qcom_cc_desc tcsr_cc_kaanapali_desc = { 103 .config = &tcsr_cc_kaanapali_regmap_config, 104 .clks = tcsr_cc_kaanapali_clocks, 105 .num_clks = ARRAY_SIZE(tcsr_cc_kaanapali_clocks), 106 }; 107 108 static const struct of_device_id tcsr_cc_kaanapali_match_table[] = { 109 { .compatible = "qcom,kaanapali-tcsr" }, 110 { } 111 }; 112 MODULE_DEVICE_TABLE(of, tcsr_cc_kaanapali_match_table); 113 114 static int tcsr_cc_kaanapali_probe(struct platform_device *pdev) 115 { 116 return qcom_cc_probe(pdev, &tcsr_cc_kaanapali_desc); 117 } 118 119 static struct platform_driver tcsr_cc_kaanapali_driver = { 120 .probe = tcsr_cc_kaanapali_probe, 121 .driver = { 122 .name = "tcsr_cc-kaanapali", 123 .of_match_table = tcsr_cc_kaanapali_match_table, 124 }, 125 }; 126 127 static int __init tcsr_cc_kaanapali_init(void) 128 { 129 return platform_driver_register(&tcsr_cc_kaanapali_driver); 130 } 131 subsys_initcall(tcsr_cc_kaanapali_init); 132 133 static void __exit tcsr_cc_kaanapali_exit(void) 134 { 135 platform_driver_unregister(&tcsr_cc_kaanapali_driver); 136 } 137 module_exit(tcsr_cc_kaanapali_exit); 138 139 MODULE_DESCRIPTION("QTI TCSR_CC Kaanapali Driver"); 140 MODULE_LICENSE("GPL"); 141