Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Shazad Hussain | 2998 | 100.00% | 1 | 100.00% |
Total | 2998 | 1 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2023, Linaro Limited */ #include <linux/clk-provider.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/of.h> #include <linux/regmap.h> #include <dt-bindings/clock/qcom,sa8775p-gpucc.h> #include "clk-alpha-pll.h" #include "clk-branch.h" #include "clk-rcg.h" #include "clk-regmap.h" #include "clk-regmap-divider.h" #include "common.h" #include "reset.h" #include "gdsc.h" /* Need to match the order of clocks in DT binding */ enum { DT_BI_TCXO, DT_GCC_GPU_GPLL0_CLK_SRC, DT_GCC_GPU_GPLL0_DIV_CLK_SRC, }; enum { P_BI_TCXO, P_GPLL0_OUT_MAIN, P_GPLL0_OUT_MAIN_DIV, P_GPU_CC_PLL0_OUT_MAIN, P_GPU_CC_PLL1_OUT_MAIN, }; static const struct clk_parent_data parent_data_tcxo = { .index = DT_BI_TCXO }; static const struct pll_vco lucid_evo_vco[] = { { 249600000, 2020000000, 0 }, }; /* 810MHz configuration */ static struct alpha_pll_config gpu_cc_pll0_config = { .l = 0x2a, .alpha = 0x3000, .config_ctl_val = 0x20485699, .config_ctl_hi_val = 0x00182261, .config_ctl_hi1_val = 0x32aa299c, .user_ctl_val = 0x00000001, .user_ctl_hi_val = 0x00400805, }; static struct clk_alpha_pll gpu_cc_pll0 = { .offset = 0x0, .vco_table = lucid_evo_vco, .num_vco = ARRAY_SIZE(lucid_evo_vco), .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO], .clkr = { .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_pll0", .parent_data = &parent_data_tcxo, .num_parents = 1, .ops = &clk_alpha_pll_lucid_evo_ops, }, }, }; /* 1000MHz configuration */ static struct alpha_pll_config gpu_cc_pll1_config = { .l = 0x34, .alpha = 0x1555, .config_ctl_val = 0x20485699, .config_ctl_hi_val = 0x00182261, .config_ctl_hi1_val = 0x32aa299c, .user_ctl_val = 0x00000001, .user_ctl_hi_val = 0x00400805, }; static struct clk_alpha_pll gpu_cc_pll1 = { .offset = 0x1000, .vco_table = lucid_evo_vco, .num_vco = ARRAY_SIZE(lucid_evo_vco), .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO], .clkr = { .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_pll1", .parent_data = &parent_data_tcxo, .num_parents = 1, .ops = &clk_alpha_pll_lucid_evo_ops, }, }, }; static const struct parent_map gpu_cc_parent_map_0[] = { { P_BI_TCXO, 0 }, { P_GPLL0_OUT_MAIN, 5 }, { P_GPLL0_OUT_MAIN_DIV, 6 }, }; static const struct clk_parent_data gpu_cc_parent_data_0[] = { { .index = DT_BI_TCXO }, { .index = DT_GCC_GPU_GPLL0_CLK_SRC }, { .index = DT_GCC_GPU_GPLL0_DIV_CLK_SRC }, }; static const struct parent_map gpu_cc_parent_map_1[] = { { P_BI_TCXO, 0 }, { P_GPU_CC_PLL0_OUT_MAIN, 1 }, { P_GPU_CC_PLL1_OUT_MAIN, 3 }, { P_GPLL0_OUT_MAIN, 5 }, { P_GPLL0_OUT_MAIN_DIV, 6 }, }; static const struct clk_parent_data gpu_cc_parent_data_1[] = { { .index = DT_BI_TCXO }, { .hw = &gpu_cc_pll0.clkr.hw }, { .hw = &gpu_cc_pll1.clkr.hw }, { .index = DT_GCC_GPU_GPLL0_CLK_SRC }, { .index = DT_GCC_GPU_GPLL0_DIV_CLK_SRC }, }; static const struct parent_map gpu_cc_parent_map_2[] = { { P_BI_TCXO, 0 }, { P_GPU_CC_PLL1_OUT_MAIN, 3 }, { P_GPLL0_OUT_MAIN, 5 }, { P_GPLL0_OUT_MAIN_DIV, 6 }, }; static const struct clk_parent_data gpu_cc_parent_data_2[] = { { .index = DT_BI_TCXO }, { .hw = &gpu_cc_pll1.clkr.hw }, { .index = DT_GCC_GPU_GPLL0_CLK_SRC }, { .index = DT_GCC_GPU_GPLL0_DIV_CLK_SRC }, }; static const struct parent_map gpu_cc_parent_map_3[] = { { P_BI_TCXO, 0 }, }; static const struct clk_parent_data gpu_cc_parent_data_3[] = { { .index = DT_BI_TCXO }, }; static const struct freq_tbl ftbl_gpu_cc_ff_clk_src[] = { F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0), { } }; static struct clk_rcg2 gpu_cc_ff_clk_src = { .cmd_rcgr = 0x9474, .mnd_width = 0, .hid_width = 5, .parent_map = gpu_cc_parent_map_0, .freq_tbl = ftbl_gpu_cc_ff_clk_src, .clkr.hw.init = &(const struct clk_init_data){ .name = "gpu_cc_ff_clk_src", .parent_data = gpu_cc_parent_data_0, .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0), .ops = &clk_rcg2_ops, }, }; static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = { F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 2, 0, 0), { } }; static struct clk_rcg2 gpu_cc_gmu_clk_src = { .cmd_rcgr = 0x9318, .mnd_width = 0, .hid_width = 5, .parent_map = gpu_cc_parent_map_1, .freq_tbl = ftbl_gpu_cc_gmu_clk_src, .clkr.hw.init = &(const struct clk_init_data){ .name = "gpu_cc_gmu_clk_src", .parent_data = gpu_cc_parent_data_1, .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1), .flags = CLK_SET_RATE_PARENT, .ops = &clk_rcg2_ops, }, }; static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = { F(240000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0), { } }; static struct clk_rcg2 gpu_cc_hub_clk_src = { .cmd_rcgr = 0x93ec, .mnd_width = 0, .hid_width = 5, .parent_map = gpu_cc_parent_map_2, .freq_tbl = ftbl_gpu_cc_hub_clk_src, .clkr.hw.init = &(const struct clk_init_data){ .name = "gpu_cc_hub_clk_src", .parent_data = gpu_cc_parent_data_2, .num_parents = ARRAY_SIZE(gpu_cc_parent_data_2), .ops = &clk_rcg2_ops, }, }; static const struct freq_tbl ftbl_gpu_cc_xo_clk_src[] = { F(19200000, P_BI_TCXO, 1, 0, 0), { } }; static struct clk_rcg2 gpu_cc_xo_clk_src = { .cmd_rcgr = 0x9010, .mnd_width = 0, .hid_width = 5, .parent_map = gpu_cc_parent_map_3, .freq_tbl = ftbl_gpu_cc_xo_clk_src, .clkr.hw.init = &(const struct clk_init_data){ .name = "gpu_cc_xo_clk_src", .parent_data = gpu_cc_parent_data_3, .num_parents = ARRAY_SIZE(gpu_cc_parent_data_3), .ops = &clk_rcg2_ops, }, }; static struct clk_regmap_div gpu_cc_demet_div_clk_src = { .reg = 0x9054, .shift = 0, .width = 4, .clkr.hw.init = &(const struct clk_init_data) { .name = "gpu_cc_demet_div_clk_src", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_xo_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_regmap_div_ro_ops, }, }; static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = { .reg = 0x9430, .shift = 0, .width = 4, .clkr.hw.init = &(const struct clk_init_data) { .name = "gpu_cc_hub_ahb_div_clk_src", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_hub_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_regmap_div_ro_ops, }, }; static struct clk_regmap_div gpu_cc_hub_cx_int_div_clk_src = { .reg = 0x942c, .shift = 0, .width = 4, .clkr.hw.init = &(const struct clk_init_data) { .name = "gpu_cc_hub_cx_int_div_clk_src", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_hub_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_regmap_div_ro_ops, }, }; static struct clk_branch gpu_cc_ahb_clk = { .halt_reg = 0x911c, .halt_check = BRANCH_HALT_DELAY, .clkr = { .enable_reg = 0x911c, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_ahb_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_hub_ahb_div_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_cb_clk = { .halt_reg = 0x93a4, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x93a4, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_cb_clk", .flags = CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_crc_ahb_clk = { .halt_reg = 0x9120, .halt_check = BRANCH_HALT_VOTED, .clkr = { .enable_reg = 0x9120, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_crc_ahb_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_hub_ahb_div_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_cx_ff_clk = { .halt_reg = 0x914c, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x914c, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_cx_ff_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_ff_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_cx_gmu_clk = { .halt_reg = 0x913c, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x913c, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_cx_gmu_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_gmu_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_aon_ops, }, }, }; static struct clk_branch gpu_cc_cx_snoc_dvm_clk = { .halt_reg = 0x9130, .halt_check = BRANCH_HALT_VOTED, .clkr = { .enable_reg = 0x9130, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_cx_snoc_dvm_clk", .flags = CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_cxo_aon_clk = { .halt_reg = 0x9004, .halt_check = BRANCH_HALT_VOTED, .clkr = { .enable_reg = 0x9004, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_cxo_aon_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_xo_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_cxo_clk = { .halt_reg = 0x9144, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x9144, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_cxo_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_xo_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_demet_clk = { .halt_reg = 0x900c, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x900c, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_demet_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_demet_div_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_aon_ops, }, }, }; static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = { .halt_reg = 0x7000, .halt_check = BRANCH_HALT_VOTED, .clkr = { .enable_reg = 0x7000, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_hlos1_vote_gpu_smmu_clk", .flags = CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_hub_aon_clk = { .halt_reg = 0x93e8, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x93e8, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_hub_aon_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_hub_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_aon_ops, }, }, }; static struct clk_branch gpu_cc_hub_cx_int_clk = { .halt_reg = 0x9148, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x9148, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_hub_cx_int_clk", .parent_hws = (const struct clk_hw*[]){ &gpu_cc_hub_cx_int_div_clk_src.clkr.hw, }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_aon_ops, }, }, }; static struct clk_branch gpu_cc_memnoc_gfx_clk = { .halt_reg = 0x9150, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x9150, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_memnoc_gfx_clk", .flags = CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch gpu_cc_sleep_clk = { .halt_reg = 0x9134, .halt_check = BRANCH_HALT_VOTED, .clkr = { .enable_reg = 0x9134, .enable_mask = BIT(0), .hw.init = &(const struct clk_init_data){ .name = "gpu_cc_sleep_clk", .flags = CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, }; static struct clk_regmap *gpu_cc_sa8775p_clocks[] = { [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr, [GPU_CC_CB_CLK] = &gpu_cc_cb_clk.clkr, [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_clk.clkr, [GPU_CC_CX_FF_CLK] = &gpu_cc_cx_ff_clk.clkr, [GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr, [GPU_CC_CX_SNOC_DVM_CLK] = &gpu_cc_cx_snoc_dvm_clk.clkr, [GPU_CC_CXO_AON_CLK] = &gpu_cc_cxo_aon_clk.clkr, [GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr, [GPU_CC_DEMET_CLK] = &gpu_cc_demet_clk.clkr, [GPU_CC_DEMET_DIV_CLK_SRC] = &gpu_cc_demet_div_clk_src.clkr, [GPU_CC_FF_CLK_SRC] = &gpu_cc_ff_clk_src.clkr, [GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr, [GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK] = &gpu_cc_hlos1_vote_gpu_smmu_clk.clkr, [GPU_CC_HUB_AHB_DIV_CLK_SRC] = &gpu_cc_hub_ahb_div_clk_src.clkr, [GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr, [GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr, [GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr, [GPU_CC_HUB_CX_INT_DIV_CLK_SRC] = &gpu_cc_hub_cx_int_div_clk_src.clkr, [GPU_CC_MEMNOC_GFX_CLK] = &gpu_cc_memnoc_gfx_clk.clkr, [GPU_CC_PLL0] = &gpu_cc_pll0.clkr, [GPU_CC_PLL1] = &gpu_cc_pll1.clkr, [GPU_CC_SLEEP_CLK] = &gpu_cc_sleep_clk.clkr, [GPU_CC_XO_CLK_SRC] = &gpu_cc_xo_clk_src.clkr, }; static struct gdsc cx_gdsc = { .gdscr = 0x9108, .gds_hw_ctrl = 0x953c, .pd = { .name = "cx_gdsc", }, .pwrsts = PWRSTS_OFF_ON, .flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON, }; static struct gdsc gx_gdsc = { .gdscr = 0x905c, .pd = { .name = "gx_gdsc", .power_on = gdsc_gx_do_nothing_enable, }, .pwrsts = PWRSTS_OFF_ON, .flags = AON_RESET | RETAIN_FF_ENABLE, }; static struct gdsc *gpu_cc_sa8775p_gdscs[] = { [GPU_CC_CX_GDSC] = &cx_gdsc, [GPU_CC_GX_GDSC] = &gx_gdsc, }; static const struct qcom_reset_map gpu_cc_sa8775p_resets[] = { [GPUCC_GPU_CC_ACD_BCR] = { 0x9358 }, [GPUCC_GPU_CC_CB_BCR] = { 0x93a0 }, [GPUCC_GPU_CC_CX_BCR] = { 0x9104 }, [GPUCC_GPU_CC_FAST_HUB_BCR] = { 0x93e4 }, [GPUCC_GPU_CC_FF_BCR] = { 0x9470 }, [GPUCC_GPU_CC_GFX3D_AON_BCR] = { 0x9198 }, [GPUCC_GPU_CC_GMU_BCR] = { 0x9314 }, [GPUCC_GPU_CC_GX_BCR] = { 0x9058 }, [GPUCC_GPU_CC_XO_BCR] = { 0x9000 }, }; static const struct regmap_config gpu_cc_sa8775p_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, .max_register = 0x9988, .fast_io = true, }; static const struct qcom_cc_desc gpu_cc_sa8775p_desc = { .config = &gpu_cc_sa8775p_regmap_config, .clks = gpu_cc_sa8775p_clocks, .num_clks = ARRAY_SIZE(gpu_cc_sa8775p_clocks), .resets = gpu_cc_sa8775p_resets, .num_resets = ARRAY_SIZE(gpu_cc_sa8775p_resets), .gdscs = gpu_cc_sa8775p_gdscs, .num_gdscs = ARRAY_SIZE(gpu_cc_sa8775p_gdscs), }; static const struct of_device_id gpu_cc_sa8775p_match_table[] = { { .compatible = "qcom,sa8775p-gpucc" }, { } }; MODULE_DEVICE_TABLE(of, gpu_cc_sa8775p_match_table); static int gpu_cc_sa8775p_probe(struct platform_device *pdev) { struct regmap *regmap; regmap = qcom_cc_map(pdev, &gpu_cc_sa8775p_desc); if (IS_ERR(regmap)) return PTR_ERR(regmap); clk_lucid_evo_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config); clk_lucid_evo_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config); return qcom_cc_really_probe(pdev, &gpu_cc_sa8775p_desc, regmap); } static struct platform_driver gpu_cc_sa8775p_driver = { .probe = gpu_cc_sa8775p_probe, .driver = { .name = "gpu_cc-sa8775p", .of_match_table = gpu_cc_sa8775p_match_table, }, }; static int __init gpu_cc_sa8775p_init(void) { return platform_driver_register(&gpu_cc_sa8775p_driver); } subsys_initcall(gpu_cc_sa8775p_init); static void __exit gpu_cc_sa8775p_exit(void) { platform_driver_unregister(&gpu_cc_sa8775p_driver); } module_exit(gpu_cc_sa8775p_exit); MODULE_DESCRIPTION("SA8775P GPUCC driver"); MODULE_LICENSE("GPL");
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