diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 127dee339ffa..288b40338d62 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -584,4 +584,13 @@ config SM_GCC_YUPIK Say Y if you want to use peripheral devices such as UART, SPI, I2C, USB, UFS, SD/eMMC, PCIe, etc. +config SM_GPUCC_YUPIK + tristate "YUPIK Graphics Clock Controller" + depends on SM_GCC_YUPIK + help + Support for the graphics clock controller on Qualcomm Technologies, Inc. + YUPIK devices. + Say Y if you want to support graphics controller devices and + functionality such as 3D graphics. + endif diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index bd4a6645b7ed..1ddb581b5a40 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -80,6 +80,7 @@ obj-$(CONFIG_SM_GCC_YUPIK) += gcc-yupik.o obj-$(CONFIG_SM_GPUCC_8150) += gpucc-sm8150.o obj-$(CONFIG_SM_GPUCC_HOLI) += gpucc-holi.o obj-$(CONFIG_SM_GPUCC_SHIMA) += gpucc-shima.o +obj-$(CONFIG_SM_GPUCC_YUPIK) += gpucc-yupik.o obj-$(CONFIG_SM_NPUCC_8150) += npucc-sm8150.o obj-$(CONFIG_SM_SCC_8150) += scc-sm8150.o obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 547bb9fdea56..d82c873f1b1c 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -1457,6 +1457,7 @@ int clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, return ret ? -EIO : 0; } +EXPORT_SYMBOL(clk_zonda_pll_configure); static int clk_zonda_pll_enable(struct clk_hw *hw) { @@ -2693,6 +2694,7 @@ void clk_lucid_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, regmap_update_bits(regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N); } +EXPORT_SYMBOL(clk_lucid_pll_configure); static int alpha_pll_lucid_enable(struct clk_hw *hw) { diff --git a/drivers/clk/qcom/gpucc-yupik.c b/drivers/clk/qcom/gpucc-yupik.c new file mode 100644 index 000000000000..0e162420c85c --- /dev/null +++ b/drivers/clk/qcom/gpucc-yupik.c @@ -0,0 +1,564 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-rcg.h" +#include "clk-regmap-divider.h" +#include "common.h" +#include "reset.h" +#include "vdd-level.h" + +static DEFINE_VDD_REGULATORS(vdd_cx, VDD_NOMINAL + 1, 1, vdd_corner); +static DEFINE_VDD_REGULATORS(vdd_mx, VDD_NOMINAL + 1, 1, vdd_corner); + +static struct clk_vdd_class *gpu_cc_yupik_regulators[] = { + &vdd_cx, + &vdd_mx, +}; + +enum { + P_BI_TCXO, + P_GCC_GPU_GPLL0_CLK_SRC, + P_GCC_GPU_GPLL0_DIV_CLK_SRC, + P_GPU_CC_PLL0_OUT_MAIN, + P_GPU_CC_PLL1_OUT_MAIN, +}; + +static struct pll_vco lucid_vco[] = { + { 249600000, 2000000000, 0 }, +}; + +/* 630MHz Configuration */ +static const struct alpha_pll_config gpu_cc_pll0_config = { + .l = 0x20, + .alpha = 0xD000, + .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 gpu_cc_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 = "gpu_cc_pll0", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + .vdd_data = { + .vdd_class = &vdd_mx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_MIN] = 615000000, + [VDD_LOW] = 1066000000, + [VDD_LOW_L1] = 1600000000, + [VDD_NOMINAL] = 2000000000}, + }, + }, +}; + +/* 500MHz Configuration */ +static const struct alpha_pll_config gpu_cc_pll1_config = { + .l = 0x1A, + .alpha = 0xAAA, + .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 gpu_cc_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 = "gpu_cc_pll1", + .parent_data = &(const struct clk_parent_data){ + .fw_name = "bi_tcxo", + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_ops, + }, + .vdd_data = { + .vdd_class = &vdd_mx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_MIN] = 615000000, + [VDD_LOW] = 1066000000, + [VDD_LOW_L1] = 1600000000, + [VDD_NOMINAL] = 2000000000}, + }, + }, +}; + +static const struct parent_map gpu_cc_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 gpu_cc_parent_data_0[] = { + { .fw_name = "bi_tcxo" }, + { .hw = &gpu_cc_pll0.clkr.hw }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .fw_name = "gcc_gpu_gpll0_clk_src" }, + { .fw_name = "gcc_gpu_gpll0_div_clk_src" }, +}; + +static const struct parent_map gpu_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { 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 gpu_cc_parent_data_1[] = { + { .fw_name = "bi_tcxo", }, + { .hw = &gpu_cc_pll1.clkr.hw }, + { .fw_name = "gcc_gpu_gpll0_clk_src", }, + { .fw_name = "gcc_gpu_gpll0_div_clk_src", }, +}; + +static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + F(200000000, P_GCC_GPU_GPLL0_DIV_CLK_SRC, 1.5, 0, 0), + F(500000000, P_GPU_CC_PLL1_OUT_MAIN, 1, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_gmu_clk_src = { + .cmd_rcgr = 0x1120, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_0, + .freq_tbl = ftbl_gpu_cc_gmu_clk_src, + .enable_safe_config = true, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpu_cc_gmu_clk_src", + .parent_data = gpu_cc_parent_data_0, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_0), + .ops = &clk_rcg2_ops, + }, + .clkr.vdd_data = { + .vdd_class = &vdd_cx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_LOWER] = 200000000, + [VDD_LOW] = 500000000}, + }, +}; + +static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = { + F(150000000, P_GCC_GPU_GPLL0_DIV_CLK_SRC, 2, 0, 0), + F(240000000, P_GCC_GPU_GPLL0_CLK_SRC, 2.5, 0, 0), + F(300000000, P_GCC_GPU_GPLL0_CLK_SRC, 2, 0, 0), + { } +}; + +static struct clk_rcg2 gpu_cc_hub_clk_src = { + .cmd_rcgr = 0x117c, + .mnd_width = 0, + .hid_width = 5, + .parent_map = gpu_cc_parent_map_1, + .freq_tbl = ftbl_gpu_cc_hub_clk_src, + .enable_safe_config = true, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hub_clk_src", + .parent_data = gpu_cc_parent_data_1, + .num_parents = ARRAY_SIZE(gpu_cc_parent_data_1), + .ops = &clk_rcg2_ops, + }, + .clkr.vdd_data = { + .vdd_class = &vdd_cx, + .num_rate_max = VDD_NUM, + .rate_max = (unsigned long[VDD_NUM]) { + [VDD_LOWER] = 150000000, + [VDD_LOW] = 240000000, + [VDD_NOMINAL] = 300000000}, + }, +}; + +static struct clk_regmap_div gpu_cc_hub_ahb_div_clk_src = { + .reg = 0x11c0, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "gpu_cc_hub_ahb_div_clk_src", + .parent_data = &(const struct clk_parent_data){ + .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 = 0x11bc, + .shift = 0, + .width = 4, + .clkr.hw.init = &(struct clk_init_data) { + .name = "gpu_cc_hub_cx_int_div_clk_src", + .parent_data = &(const struct clk_parent_data){ + .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 = 0x1078, + .halt_check = BRANCH_HALT_DELAY, + .clkr = { + .enable_reg = 0x1078, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_ahb_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_crc_ahb_clk = { + .halt_reg = 0x107c, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x107c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_crc_ahb_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_hub_ahb_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_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 = "gpu_cc_cx_gmu_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT | CLK_DONT_HOLD_STATE, + .ops = &clk_branch2_aon_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cx_snoc_dvm_clk = { + .halt_reg = 0x108c, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x108c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cx_snoc_dvm_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_aon_clk = { + .halt_reg = 0x1004, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x1004, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cxo_aon_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_cxo_clk = { + .halt_reg = 0x109c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x109c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_cxo_clk", + .flags = CLK_DONT_HOLD_STATE, + .ops = &clk_branch2_aon_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_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 = "gpu_cc_gx_gmu_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_gmu_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_hlos1_vote_gpu_smmu_clk = { + .halt_reg = 0x5000, + .halt_check = BRANCH_VOTED, + .clkr = { + .enable_reg = 0x5000, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hlos1_vote_gpu_smmu_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_hub_aon_clk = { + .halt_reg = 0x1178, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1178, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hub_aon_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_hub_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_aon_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_hub_cx_int_clk = { + .halt_reg = 0x1204, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x1204, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_hub_cx_int_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &gpu_cc_hub_cx_int_div_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT | CLK_DONT_HOLD_STATE, + .ops = &clk_branch2_aon_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_mnd1x_0_gfx3d_clk = { + .halt_reg = 0x802c, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x802c, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_mnd1x_0_gfx3d_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_mnd1x_1_gfx3d_clk = { + .halt_reg = 0x8030, + .halt_check = BRANCH_HALT_SKIP, + .clkr = { + .enable_reg = 0x8030, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "gpu_cc_mnd1x_1_gfx3d_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch gpu_cc_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 = "gpu_cc_sleep_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_regmap *gpu_cc_yupik_clocks[] = { + [GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr, + [GPU_CC_CRC_AHB_CLK] = &gpu_cc_crc_ahb_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_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr, + [GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.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_MND1X_0_GFX3D_CLK] = &gpu_cc_mnd1x_0_gfx3d_clk.clkr, + [GPU_CC_MND1X_1_GFX3D_CLK] = &gpu_cc_mnd1x_1_gfx3d_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, +}; + +static const struct regmap_config gpu_cc_yupik_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x8030, + .fast_io = true, +}; + +static const struct qcom_cc_desc gpu_cc_yupik_desc = { + .config = &gpu_cc_yupik_regmap_config, + .clks = gpu_cc_yupik_clocks, + .num_clks = ARRAY_SIZE(gpu_cc_yupik_clocks), + .clk_regulators = gpu_cc_yupik_regulators, + .num_clk_regulators = ARRAY_SIZE(gpu_cc_yupik_regulators), +}; + +static const struct of_device_id gpu_cc_yupik_match_table[] = { + { .compatible = "qcom,yupik-gpucc" }, + { } +}; +MODULE_DEVICE_TABLE(of, gpu_cc_yupik_match_table); + +static int gpu_cc_yupik_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + int ret; + + regmap = qcom_cc_map(pdev, &gpu_cc_yupik_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + pm_runtime_enable(&pdev->dev); + ret = pm_clk_create(&pdev->dev); + if (ret) + goto disable_pm_runtime; + + ret = pm_clk_add(&pdev->dev, "cfg_ahb"); + if (ret < 0) { + dev_err(&pdev->dev, "Unable to get ahb clock handle\n"); + goto destroy_pm_clk; + } + + clk_lucid_pll_configure(&gpu_cc_pll0, regmap, &gpu_cc_pll0_config); + clk_lucid_pll_configure(&gpu_cc_pll1, regmap, &gpu_cc_pll1_config); + + /* + * Keep the clocks always-ON + * GPU_CC_CB_CLK + */ + regmap_update_bits(regmap, 0x1170, BIT(0), BIT(0)); + + ret = qcom_cc_really_probe(pdev, &gpu_cc_yupik_desc, regmap); + if (ret) { + dev_err(&pdev->dev, "Failed to register GPU CC clocks\n"); + goto destroy_pm_clk; + } + + dev_info(&pdev->dev, "Registered GPU CC clocks\n"); + + return 0; + +destroy_pm_clk: + pm_clk_destroy(&pdev->dev); + +disable_pm_runtime: + pm_runtime_disable(&pdev->dev); + + return ret; +} + +static const struct dev_pm_ops gpu_cc_yupik_pm_ops = { + SET_RUNTIME_PM_OPS(pm_clk_suspend, pm_clk_resume, NULL) +}; + +static void gpu_cc_yupik_sync_state(struct device *dev) +{ + qcom_cc_sync_state(dev, &gpu_cc_yupik_desc); +} + +static struct platform_driver gpu_cc_yupik_driver = { + .probe = gpu_cc_yupik_probe, + .driver = { + .name = "gpu_cc-yupik", + .of_match_table = gpu_cc_yupik_match_table, + .sync_state = gpu_cc_yupik_sync_state, + .pm = &gpu_cc_yupik_pm_ops, + }, +}; + +static int __init gpu_cc_yupik_init(void) +{ + return platform_driver_register(&gpu_cc_yupik_driver); +} +subsys_initcall(gpu_cc_yupik_init); + +static void __exit gpu_cc_yupik_exit(void) +{ + platform_driver_unregister(&gpu_cc_yupik_driver); +} +module_exit(gpu_cc_yupik_exit); + +MODULE_DESCRIPTION("QTI GPU_CC YUPIK Driver"); +MODULE_LICENSE("GPL v2");