| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (c) 2021, The Linux Foundation. All rights reserved. |
| */ |
| |
| #include <linux/clk-provider.h> |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/regmap.h> |
| |
| #include <dt-bindings/clock/qcom,videocc-sc7280.h> |
| |
| #include "clk-alpha-pll.h" |
| #include "clk-branch.h" |
| #include "clk-rcg.h" |
| #include "common.h" |
| #include "reset.h" |
| #include "gdsc.h" |
| |
| enum { |
| P_BI_TCXO, |
| P_SLEEP_CLK, |
| P_VIDEO_PLL0_OUT_EVEN, |
| }; |
| |
| static const struct pll_vco lucid_vco[] = { |
| { 249600000, 2000000000, 0 }, |
| }; |
| |
| /* 400MHz Configuration */ |
| static const struct alpha_pll_config video_pll0_config = { |
| .l = 0x14, |
| .alpha = 0xD555, |
| .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 video_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 = "video_pll0", |
| .parent_data = &(const struct clk_parent_data){ |
| .fw_name = "bi_tcxo", |
| }, |
| .num_parents = 1, |
| .ops = &clk_alpha_pll_lucid_ops, |
| }, |
| }, |
| }; |
| |
| static const struct parent_map video_cc_parent_map_0[] = { |
| { P_BI_TCXO, 0 }, |
| { P_VIDEO_PLL0_OUT_EVEN, 3 }, |
| }; |
| |
| static const struct clk_parent_data video_cc_parent_data_0[] = { |
| { .fw_name = "bi_tcxo" }, |
| { .hw = &video_pll0.clkr.hw }, |
| }; |
| |
| static const struct parent_map video_cc_parent_map_1[] = { |
| { P_SLEEP_CLK, 0 }, |
| }; |
| |
| static const struct clk_parent_data video_cc_parent_data_1[] = { |
| { .fw_name = "sleep_clk" }, |
| }; |
| |
| static const struct freq_tbl ftbl_video_cc_iris_clk_src[] = { |
| F(133333333, P_VIDEO_PLL0_OUT_EVEN, 3, 0, 0), |
| F(240000000, P_VIDEO_PLL0_OUT_EVEN, 2, 0, 0), |
| F(335000000, P_VIDEO_PLL0_OUT_EVEN, 2, 0, 0), |
| F(424000000, P_VIDEO_PLL0_OUT_EVEN, 2, 0, 0), |
| F(460000000, P_VIDEO_PLL0_OUT_EVEN, 2, 0, 0), |
| { } |
| }; |
| |
| static struct clk_rcg2 video_cc_iris_clk_src = { |
| .cmd_rcgr = 0x1000, |
| .mnd_width = 0, |
| .hid_width = 5, |
| .parent_map = video_cc_parent_map_0, |
| .freq_tbl = ftbl_video_cc_iris_clk_src, |
| .clkr.hw.init = &(struct clk_init_data){ |
| .name = "video_cc_iris_clk_src", |
| .parent_data = video_cc_parent_data_0, |
| .num_parents = ARRAY_SIZE(video_cc_parent_data_0), |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_rcg2_shared_ops, |
| }, |
| }; |
| |
| static const struct freq_tbl ftbl_video_cc_sleep_clk_src[] = { |
| F(32000, P_SLEEP_CLK, 1, 0, 0), |
| { } |
| }; |
| |
| static struct clk_rcg2 video_cc_sleep_clk_src = { |
| .cmd_rcgr = 0x701c, |
| .mnd_width = 0, |
| .hid_width = 5, |
| .parent_map = video_cc_parent_map_1, |
| .freq_tbl = ftbl_video_cc_sleep_clk_src, |
| .clkr.hw.init = &(struct clk_init_data){ |
| .name = "video_cc_sleep_clk_src", |
| .parent_data = video_cc_parent_data_1, |
| .num_parents = ARRAY_SIZE(video_cc_parent_data_1), |
| .ops = &clk_rcg2_ops, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_iris_ahb_clk = { |
| .halt_reg = 0x5004, |
| .halt_check = BRANCH_HALT_VOTED, |
| .clkr = { |
| .enable_reg = 0x5004, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_iris_ahb_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_iris_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvs0_axi_clk = { |
| .halt_reg = 0x800c, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x800c, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs0_axi_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvs0_core_clk = { |
| .halt_reg = 0x3010, |
| .halt_check = BRANCH_HALT_VOTED, |
| .hwcg_reg = 0x3010, |
| .hwcg_bit = 1, |
| .clkr = { |
| .enable_reg = 0x3010, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs0_core_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_iris_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvsc_core_clk = { |
| .halt_reg = 0x2014, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x2014, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvsc_core_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_iris_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvsc_ctl_axi_clk = { |
| .halt_reg = 0x8004, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x8004, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvsc_ctl_axi_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_sleep_clk = { |
| .halt_reg = 0x7034, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x7034, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_sleep_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_sleep_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_venus_ahb_clk = { |
| .halt_reg = 0x801c, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x801c, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_venus_ahb_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct gdsc mvs0_gdsc = { |
| .gdscr = 0x3004, |
| .pd = { |
| .name = "mvs0_gdsc", |
| }, |
| .pwrsts = PWRSTS_OFF_ON, |
| .flags = HW_CTRL | RETAIN_FF_ENABLE, |
| }; |
| |
| static struct gdsc mvsc_gdsc = { |
| .gdscr = 0x2004, |
| .pd = { |
| .name = "mvsc_gdsc", |
| }, |
| .flags = RETAIN_FF_ENABLE, |
| .pwrsts = PWRSTS_OFF_ON, |
| }; |
| |
| static struct clk_regmap *video_cc_sc7280_clocks[] = { |
| [VIDEO_CC_IRIS_AHB_CLK] = &video_cc_iris_ahb_clk.clkr, |
| [VIDEO_CC_IRIS_CLK_SRC] = &video_cc_iris_clk_src.clkr, |
| [VIDEO_CC_MVS0_AXI_CLK] = &video_cc_mvs0_axi_clk.clkr, |
| [VIDEO_CC_MVS0_CORE_CLK] = &video_cc_mvs0_core_clk.clkr, |
| [VIDEO_CC_MVSC_CORE_CLK] = &video_cc_mvsc_core_clk.clkr, |
| [VIDEO_CC_MVSC_CTL_AXI_CLK] = &video_cc_mvsc_ctl_axi_clk.clkr, |
| [VIDEO_CC_SLEEP_CLK] = &video_cc_sleep_clk.clkr, |
| [VIDEO_CC_SLEEP_CLK_SRC] = &video_cc_sleep_clk_src.clkr, |
| [VIDEO_CC_VENUS_AHB_CLK] = &video_cc_venus_ahb_clk.clkr, |
| [VIDEO_PLL0] = &video_pll0.clkr, |
| }; |
| |
| static struct gdsc *video_cc_sc7280_gdscs[] = { |
| [MVS0_GDSC] = &mvs0_gdsc, |
| [MVSC_GDSC] = &mvsc_gdsc, |
| }; |
| |
| static const struct regmap_config video_cc_sc7280_regmap_config = { |
| .reg_bits = 32, |
| .reg_stride = 4, |
| .val_bits = 32, |
| .max_register = 0xb000, |
| .fast_io = true, |
| }; |
| |
| static const struct qcom_cc_desc video_cc_sc7280_desc = { |
| .config = &video_cc_sc7280_regmap_config, |
| .clks = video_cc_sc7280_clocks, |
| .num_clks = ARRAY_SIZE(video_cc_sc7280_clocks), |
| .gdscs = video_cc_sc7280_gdscs, |
| .num_gdscs = ARRAY_SIZE(video_cc_sc7280_gdscs), |
| }; |
| |
| static const struct of_device_id video_cc_sc7280_match_table[] = { |
| { .compatible = "qcom,sc7280-videocc" }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, video_cc_sc7280_match_table); |
| |
| static int video_cc_sc7280_probe(struct platform_device *pdev) |
| { |
| struct regmap *regmap; |
| |
| regmap = qcom_cc_map(pdev, &video_cc_sc7280_desc); |
| if (IS_ERR(regmap)) |
| return PTR_ERR(regmap); |
| |
| clk_lucid_pll_configure(&video_pll0, regmap, &video_pll0_config); |
| |
| return qcom_cc_really_probe(pdev, &video_cc_sc7280_desc, regmap); |
| } |
| |
| static struct platform_driver video_cc_sc7280_driver = { |
| .probe = video_cc_sc7280_probe, |
| .driver = { |
| .name = "video_cc-sc7280", |
| .of_match_table = video_cc_sc7280_match_table, |
| }, |
| }; |
| |
| static int __init video_cc_sc7280_init(void) |
| { |
| return platform_driver_register(&video_cc_sc7280_driver); |
| } |
| subsys_initcall(video_cc_sc7280_init); |
| |
| static void __exit video_cc_sc7280_exit(void) |
| { |
| platform_driver_unregister(&video_cc_sc7280_driver); |
| } |
| module_exit(video_cc_sc7280_exit); |
| |
| MODULE_DESCRIPTION("QTI VIDEO_CC sc7280 Driver"); |
| MODULE_LICENSE("GPL v2"); |
