From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/clk/qcom/gpucc-sm6375.c | 474 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 474 insertions(+) create mode 100644 drivers/clk/qcom/gpucc-sm6375.c (limited to 'drivers/clk/qcom/gpucc-sm6375.c') diff --git a/drivers/clk/qcom/gpucc-sm6375.c b/drivers/clk/qcom/gpucc-sm6375.c new file mode 100644 index 0000000000..da24276a01 --- /dev/null +++ b/drivers/clk/qcom/gpucc-sm6375.c @@ -0,0 +1,474 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + * Copyright (c) 2023, Linaro Limited + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-regmap-mux.h" +#include "clk-regmap-phy-mux.h" +#include "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO, + DT_GCC_GPU_GPLL0_CLK_SRC, + DT_GCC_GPU_GPLL0_DIV_CLK_SRC, + DT_GCC_GPU_SNOC_DVM_GFX_CLK, +}; + +enum { + P_BI_TCXO, + P_GCC_GPU_GPLL0_CLK_SRC, + P_GCC_GPU_GPLL0_DIV_CLK_SRC, + P_GPU_CC_PLL0_OUT_EVEN, + P_GPU_CC_PLL0_OUT_MAIN, + P_GPU_CC_PLL0_OUT_ODD, + P_GPU_CC_PLL1_OUT_EVEN, + P_GPU_CC_PLL1_OUT_MAIN, + P_GPU_CC_PLL1_OUT_ODD, +}; + +static struct pll_vco lucid_vco[] = { + { 249600000, 2000000000, 0 }, +}; + +/* 532MHz Configuration */ +static const struct alpha_pll_config gpucc_pll0_config = { + .l = 0x1b, + .alpha = 0xb555, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002261, + .config_ctl_hi1_val = 0x329a299c, + .user_ctl_val = 0x00000001, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x00000000, +}; + +static struct clk_alpha_pll gpucc_pll0 = { + .offset = 0x0, + .vco_table = lucid_vco, + .num_vco = ARRAY_SIZE(lucid_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "gpucc_pll0", + .parent_data = &(const struct clk_parent_data){ + .index = P_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + }, +}; + +/* 514MHz Configuration */ +static const struct alpha_pll_config gpucc_pll1_config = { + .l = 0x1a, + .alpha = 0xc555, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00002261, + .config_ctl_hi1_val = 0x329a299c, + .user_ctl_val = 0x00000001, + .user_ctl_hi_val = 0x00000805, + .user_ctl_hi1_val = 0x00000000, +}; + +static struct clk_alpha_pll gpucc_pll1 = { + .offset = 0x100, + .vco_table = lucid_vco, + .num_vco = ARRAY_SIZE(lucid_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID], + .clkr = { + .hw.init = &(struct clk_init_data){ + .name = "gpucc_pll1", + .parent_data = &(const struct clk_parent_data){ + .index = P_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + }, +}; + +static const struct parent_map gpucc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL0_OUT_MAIN, 1 }, + { P_GPU_CC_PLL1_OUT_MAIN, 3 }, + { P_GCC_GPU_GPLL0_CLK_SRC, 5 }, + { P_GCC_GPU_GPLL0_DIV_CLK_SRC, 6 }, +}; + +static const struct clk_parent_data gpucc_parent_data_0[] = { + { .index = P_BI_TCXO }, + { .hw = &gpucc_pll0.clkr.hw }, + { .hw = &gpucc_pll1.clkr.hw }, + { .index = DT_GCC_GPU_GPLL0_CLK_SRC }, + { .index = DT_GCC_GPU_GPLL0_DIV_CLK_SRC }, +}; + +static const struct parent_map gpucc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_GPU_CC_PLL0_OUT_EVEN, 1 }, + { P_GPU_CC_PLL0_OUT_ODD, 2 }, + { P_GPU_CC_PLL1_OUT_EVEN, 3 }, + { P_GPU_CC_PLL1_OUT_ODD, 4 }, + { P_GCC_GPU_GPLL0_CLK_SRC, 5 }, +}; + +static const struct clk_parent_data gpucc_parent_data_1[] = { + { .index = P_BI_TCXO }, + { .hw = &gpucc_pll0.clkr.hw }, + { .hw = &gpucc_pll0.clkr.hw }, + { .hw = &gpucc_pll1.clkr.hw }, + { .hw = &gpucc_pll1.clkr.hw }, + { .index = DT_GCC_GPU_GPLL0_CLK_SRC }, +}; + +static const struct freq_tbl ftbl_gpucc_gmu_clk_src[] = { + F(200000000, P_GCC_GPU_GPLL0_DIV_CLK_SRC, 1.5, 0, 0), + { } +}; + +static struct clk_rcg2 gpucc_gmu_clk_src = { + .cmd_rcgr = 0x1120, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpucc_parent_map_0, + .freq_tbl = ftbl_gpucc_gmu_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpucc_gmu_clk_src", + .parent_data = gpucc_parent_data_0, + .num_parents = ARRAY_SIZE(gpucc_parent_data_0), + .ops = &clk_rcg2_shared_ops, + }, +}; + +static const struct freq_tbl ftbl_gpucc_gx_gfx3d_clk_src[] = { + F(266000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(390000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(490000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(650000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(770000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(840000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + F(900000000, P_GPU_CC_PLL0_OUT_EVEN, 2, 0, 0), + { } +}; + +static struct clk_rcg2 gpucc_gx_gfx3d_clk_src = { + .cmd_rcgr = 0x101c, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpucc_parent_map_1, + .freq_tbl = ftbl_gpucc_gx_gfx3d_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpucc_gx_gfx3d_clk_src", + .parent_data = gpucc_parent_data_1, + .num_parents = ARRAY_SIZE(gpucc_parent_data_1), + .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, + .ops = &clk_rcg2_ops, + }, +}; + +static struct clk_branch gpucc_ahb_clk = { + .halt_reg = 0x1078, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1078, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_ahb_clk", + .flags = CLK_IS_CRITICAL, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_cx_gfx3d_clk = { + .halt_reg = 0x10a4, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10a4, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_cx_gfx3d_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpucc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_cx_gfx3d_slv_clk = { + .halt_reg = 0x10a8, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x10a8, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_cx_gfx3d_slv_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpucc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_cx_gmu_clk = { + .halt_reg = 0x1098, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1098, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_cx_gmu_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpucc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_cx_snoc_dvm_clk = { + .halt_reg = 0x108c, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x108c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_cx_snoc_dvm_clk", + .parent_data = &(const struct clk_parent_data){ + .index = DT_GCC_GPU_SNOC_DVM_GFX_CLK, + }, + .num_parents = 1, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_cxo_aon_clk = { + .halt_reg = 0x1004, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1004, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_cxo_aon_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_cxo_clk = { + .halt_reg = 0x109c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x109c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_cxo_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_gx_cxo_clk = { + .halt_reg = 0x1060, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1060, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_gx_cxo_clk", + .flags = CLK_IS_CRITICAL, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_gx_gfx3d_clk = { + .halt_reg = 0x1054, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1054, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_gx_gfx3d_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpucc_gx_gfx3d_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_gx_gmu_clk = { + .halt_reg = 0x1064, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1064, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_gx_gmu_clk", + .parent_hws = (const struct clk_hw*[]) { + &gpucc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpucc_sleep_clk = { + .halt_reg = 0x1090, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x1090, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpucc_sleep_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc gpu_cx_gdsc = { + .gdscr = 0x106c, + .gds_hw_ctrl = 0x1540, + .clk_dis_wait_val = 8, + .pd = { + .name = "gpu_cx_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = VOTABLE, +}; + +static struct gdsc gpu_gx_gdsc = { + .gdscr = 0x100c, + .clamp_io_ctrl = 0x1508, + .resets = (unsigned int []){ GPU_GX_BCR, GPU_ACD_BCR, GPU_GX_ACD_MISC_BCR }, + .reset_count = 3, + .pd = { + .name = "gpu_gx_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = CLAMP_IO | SW_RESET | AON_RESET, +}; + +static struct clk_regmap *gpucc_sm6375_clocks[] = { + [GPU_CC_AHB_CLK] = &gpucc_ahb_clk.clkr, + [GPU_CC_CX_GFX3D_CLK] = &gpucc_cx_gfx3d_clk.clkr, + [GPU_CC_CX_GFX3D_SLV_CLK] = &gpucc_cx_gfx3d_slv_clk.clkr, + [GPU_CC_CX_GMU_CLK] = &gpucc_cx_gmu_clk.clkr, + [GPU_CC_CX_SNOC_DVM_CLK] = &gpucc_cx_snoc_dvm_clk.clkr, + [GPU_CC_CXO_AON_CLK] = &gpucc_cxo_aon_clk.clkr, + [GPU_CC_CXO_CLK] = &gpucc_cxo_clk.clkr, + [GPU_CC_GMU_CLK_SRC] = &gpucc_gmu_clk_src.clkr, + [GPU_CC_GX_CXO_CLK] = &gpucc_gx_cxo_clk.clkr, + [GPU_CC_GX_GFX3D_CLK] = &gpucc_gx_gfx3d_clk.clkr, + [GPU_CC_GX_GFX3D_CLK_SRC] = &gpucc_gx_gfx3d_clk_src.clkr, + [GPU_CC_GX_GMU_CLK] = &gpucc_gx_gmu_clk.clkr, + [GPU_CC_PLL0] = &gpucc_pll0.clkr, + [GPU_CC_PLL1] = &gpucc_pll1.clkr, + [GPU_CC_SLEEP_CLK] = &gpucc_sleep_clk.clkr, +}; + +static const struct qcom_reset_map gpucc_sm6375_resets[] = { + [GPU_GX_BCR] = { 0x1008 }, + [GPU_ACD_BCR] = { 0x1160 }, + [GPU_GX_ACD_MISC_BCR] = { 0x8004 }, +}; + +static struct gdsc *gpucc_sm6375_gdscs[] = { + [GPU_CX_GDSC] = &gpu_cx_gdsc, + [GPU_GX_GDSC] = &gpu_gx_gdsc, +}; + +static const struct regmap_config gpucc_sm6375_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x9000, + .fast_io = true, +}; + +static const struct qcom_cc_desc gpucc_sm6375_desc = { + .config = &gpucc_sm6375_regmap_config, + .clks = gpucc_sm6375_clocks, + .num_clks = ARRAY_SIZE(gpucc_sm6375_clocks), + .resets = gpucc_sm6375_resets, + .num_resets = ARRAY_SIZE(gpucc_sm6375_resets), + .gdscs = gpucc_sm6375_gdscs, + .num_gdscs = ARRAY_SIZE(gpucc_sm6375_gdscs), +}; + +static const struct of_device_id gpucc_sm6375_match_table[] = { + { .compatible = "qcom,sm6375-gpucc" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpucc_sm6375_match_table); + +static int gpucc_sm6375_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + int ret; + + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret) + return ret; + + ret = pm_runtime_resume_and_get(&pdev->dev); + if (ret) + return ret; + + regmap = qcom_cc_map(pdev, &gpucc_sm6375_desc); + if (IS_ERR(regmap)) { + pm_runtime_put(&pdev->dev); + return PTR_ERR(regmap); + } + + clk_lucid_pll_configure(&gpucc_pll0, regmap, &gpucc_pll0_config); + clk_lucid_pll_configure(&gpucc_pll1, regmap, &gpucc_pll1_config); + + ret = qcom_cc_really_probe(pdev, &gpucc_sm6375_desc, regmap); + pm_runtime_put(&pdev->dev); + + return ret; +} + +static struct platform_driver gpucc_sm6375_driver = { + .probe = gpucc_sm6375_probe, + .driver = { + .name = "gpucc-sm6375", + .of_match_table = gpucc_sm6375_match_table, + }, +}; +module_platform_driver(gpucc_sm6375_driver); + +MODULE_DESCRIPTION("QTI GPUCC SM6375 Driver"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3