| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. |
| */ |
| |
| #include <linux/clk-provider.h> |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/regmap.h> |
| |
| #include <dt-bindings/clock/qcom,videocc-sm8250.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" |
| |
| enum { |
| P_BI_TCXO, |
| P_VIDEO_PLL0_OUT_MAIN, |
| P_VIDEO_PLL1_OUT_MAIN, |
| }; |
| |
| static struct pll_vco lucid_vco[] = { |
| { 249600000, 2000000000, 0 }, |
| }; |
| |
| static const struct alpha_pll_config video_pll0_config = { |
| .l = 0x25, |
| .alpha = 0x8000, |
| .config_ctl_val = 0x20485699, |
| .config_ctl_hi_val = 0x00002261, |
| .config_ctl_hi1_val = 0x329A699C, |
| .user_ctl_val = 0x00000000, |
| .user_ctl_hi_val = 0x00000805, |
| .user_ctl_hi1_val = 0x00000000, |
| }; |
| |
| static struct clk_alpha_pll video_pll0 = { |
| .offset = 0x42c, |
| .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 alpha_pll_config video_pll1_config = { |
| .l = 0x2B, |
| .alpha = 0xC000, |
| .config_ctl_val = 0x20485699, |
| .config_ctl_hi_val = 0x00002261, |
| .config_ctl_hi1_val = 0x329A699C, |
| .user_ctl_val = 0x00000000, |
| .user_ctl_hi_val = 0x00000805, |
| .user_ctl_hi1_val = 0x00000000, |
| }; |
| |
| static struct clk_alpha_pll video_pll1 = { |
| .offset = 0x7d0, |
| .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_pll1", |
| .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_1[] = { |
| { P_BI_TCXO, 0 }, |
| { P_VIDEO_PLL0_OUT_MAIN, 1 }, |
| }; |
| |
| static const struct clk_parent_data video_cc_parent_data_1[] = { |
| { .fw_name = "bi_tcxo" }, |
| { .hw = &video_pll0.clkr.hw }, |
| }; |
| |
| static const struct parent_map video_cc_parent_map_2[] = { |
| { P_BI_TCXO, 0 }, |
| { P_VIDEO_PLL1_OUT_MAIN, 1 }, |
| }; |
| |
| static const struct clk_parent_data video_cc_parent_data_2[] = { |
| { .fw_name = "bi_tcxo" }, |
| { .hw = &video_pll1.clkr.hw }, |
| }; |
| |
| static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = { |
| F(19200000, P_BI_TCXO, 1, 0, 0), |
| F(720000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| F(1014000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| F(1098000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| F(1332000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| { } |
| }; |
| |
| static struct clk_rcg2 video_cc_mvs0_clk_src = { |
| .cmd_rcgr = 0xb94, |
| .mnd_width = 0, |
| .hid_width = 5, |
| .parent_map = video_cc_parent_map_1, |
| .freq_tbl = ftbl_video_cc_mvs0_clk_src, |
| .clkr.hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs0_clk_src", |
| .parent_data = video_cc_parent_data_1, |
| .num_parents = ARRAY_SIZE(video_cc_parent_data_1), |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_rcg2_shared_ops, |
| }, |
| }; |
| |
| static const struct freq_tbl ftbl_video_cc_mvs1_clk_src[] = { |
| F(19200000, P_BI_TCXO, 1, 0, 0), |
| F(840000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0), |
| F(1098000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0), |
| F(1332000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0), |
| { } |
| }; |
| |
| static struct clk_rcg2 video_cc_mvs1_clk_src = { |
| .cmd_rcgr = 0xbb4, |
| .mnd_width = 0, |
| .hid_width = 5, |
| .parent_map = video_cc_parent_map_2, |
| .freq_tbl = ftbl_video_cc_mvs1_clk_src, |
| .clkr.hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs1_clk_src", |
| .parent_data = video_cc_parent_data_2, |
| .num_parents = ARRAY_SIZE(video_cc_parent_data_2), |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_rcg2_shared_ops, |
| }, |
| }; |
| |
| static struct clk_regmap_div video_cc_mvs0c_div2_div_clk_src = { |
| .reg = 0xc54, |
| .shift = 0, |
| .width = 2, |
| .clkr.hw.init = &(struct clk_init_data) { |
| .name = "video_cc_mvs0c_div2_div_clk_src", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_mvs0_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_regmap_div_ro_ops, |
| }, |
| }; |
| |
| static struct clk_regmap_div video_cc_mvs0_div_clk_src = { |
| .reg = 0xd54, |
| .shift = 0, |
| .width = 2, |
| .clkr.hw.init = &(struct clk_init_data) { |
| .name = "video_cc_mvs0_div_clk_src", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_mvs0_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_regmap_div_ro_ops, |
| }, |
| }; |
| |
| static struct clk_regmap_div video_cc_mvs1c_div2_div_clk_src = { |
| .reg = 0xcf4, |
| .shift = 0, |
| .width = 2, |
| .clkr.hw.init = &(struct clk_init_data) { |
| .name = "video_cc_mvs1c_div2_div_clk_src", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_mvs1_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_regmap_div_ro_ops, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvs0c_clk = { |
| .halt_reg = 0xc34, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0xc34, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs0c_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_mvs0c_div2_div_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvs0_clk = { |
| .halt_reg = 0xd34, |
| .halt_check = BRANCH_HALT_VOTED, |
| .clkr = { |
| .enable_reg = 0xd34, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs0_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_mvs0_div_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvs1_div2_clk = { |
| .halt_reg = 0xdf4, |
| .halt_check = BRANCH_HALT_VOTED, |
| .clkr = { |
| .enable_reg = 0xdf4, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs1_div2_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_mvs1c_div2_div_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_mvs1c_clk = { |
| .halt_reg = 0xcd4, |
| .halt_check = BRANCH_HALT_VOTED, |
| .clkr = { |
| .enable_reg = 0xcd4, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_mvs1c_clk", |
| .parent_hws = (const struct clk_hw*[]){ |
| &video_cc_mvs1c_div2_div_clk_src.clkr.hw, |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct gdsc mvs0c_gdsc = { |
| .gdscr = 0xbf8, |
| .pd = { |
| .name = "mvs0c_gdsc", |
| }, |
| .flags = 0, |
| .pwrsts = PWRSTS_OFF_ON, |
| }; |
| |
| static struct gdsc mvs1c_gdsc = { |
| .gdscr = 0xc98, |
| .pd = { |
| .name = "mvs1c_gdsc", |
| }, |
| .flags = 0, |
| .pwrsts = PWRSTS_OFF_ON, |
| }; |
| |
| static struct gdsc mvs0_gdsc = { |
| .gdscr = 0xd18, |
| .pd = { |
| .name = "mvs0_gdsc", |
| }, |
| .flags = HW_CTRL, |
| .pwrsts = PWRSTS_OFF_ON, |
| }; |
| |
| static struct gdsc mvs1_gdsc = { |
| .gdscr = 0xd98, |
| .pd = { |
| .name = "mvs1_gdsc", |
| }, |
| .flags = HW_CTRL, |
| .pwrsts = PWRSTS_OFF_ON, |
| }; |
| |
| static struct clk_regmap *video_cc_sm8250_clocks[] = { |
| [VIDEO_CC_MVS0_CLK] = &video_cc_mvs0_clk.clkr, |
| [VIDEO_CC_MVS0_CLK_SRC] = &video_cc_mvs0_clk_src.clkr, |
| [VIDEO_CC_MVS0_DIV_CLK_SRC] = &video_cc_mvs0_div_clk_src.clkr, |
| [VIDEO_CC_MVS0C_CLK] = &video_cc_mvs0c_clk.clkr, |
| [VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC] = &video_cc_mvs0c_div2_div_clk_src.clkr, |
| [VIDEO_CC_MVS1_CLK_SRC] = &video_cc_mvs1_clk_src.clkr, |
| [VIDEO_CC_MVS1_DIV2_CLK] = &video_cc_mvs1_div2_clk.clkr, |
| [VIDEO_CC_MVS1C_CLK] = &video_cc_mvs1c_clk.clkr, |
| [VIDEO_CC_MVS1C_DIV2_DIV_CLK_SRC] = &video_cc_mvs1c_div2_div_clk_src.clkr, |
| [VIDEO_CC_PLL0] = &video_pll0.clkr, |
| [VIDEO_CC_PLL1] = &video_pll1.clkr, |
| }; |
| |
| static const struct qcom_reset_map video_cc_sm8250_resets[] = { |
| [VIDEO_CC_CVP_INTERFACE_BCR] = { 0xe54 }, |
| [VIDEO_CC_CVP_MVS0_BCR] = { 0xd14 }, |
| [VIDEO_CC_MVS0C_CLK_ARES] = { 0xc34, .bit = 2, .udelay = 150 }, |
| [VIDEO_CC_CVP_MVS0C_BCR] = { 0xbf4 }, |
| [VIDEO_CC_CVP_MVS1_BCR] = { 0xd94 }, |
| [VIDEO_CC_MVS1C_CLK_ARES] = { 0xcd4, .bit = 2, .udelay = 150 }, |
| [VIDEO_CC_CVP_MVS1C_BCR] = { 0xc94 }, |
| }; |
| |
| static struct gdsc *video_cc_sm8250_gdscs[] = { |
| [MVS0C_GDSC] = &mvs0c_gdsc, |
| [MVS1C_GDSC] = &mvs1c_gdsc, |
| [MVS0_GDSC] = &mvs0_gdsc, |
| [MVS1_GDSC] = &mvs1_gdsc, |
| }; |
| |
| static const struct regmap_config video_cc_sm8250_regmap_config = { |
| .reg_bits = 32, |
| .reg_stride = 4, |
| .val_bits = 32, |
| .max_register = 0xf4c, |
| .fast_io = true, |
| }; |
| |
| static const struct qcom_cc_desc video_cc_sm8250_desc = { |
| .config = &video_cc_sm8250_regmap_config, |
| .clks = video_cc_sm8250_clocks, |
| .num_clks = ARRAY_SIZE(video_cc_sm8250_clocks), |
| .resets = video_cc_sm8250_resets, |
| .num_resets = ARRAY_SIZE(video_cc_sm8250_resets), |
| .gdscs = video_cc_sm8250_gdscs, |
| .num_gdscs = ARRAY_SIZE(video_cc_sm8250_gdscs), |
| }; |
| |
| static const struct of_device_id video_cc_sm8250_match_table[] = { |
| { .compatible = "qcom,sm8250-videocc" }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, video_cc_sm8250_match_table); |
| |
| static int video_cc_sm8250_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, &video_cc_sm8250_desc); |
| if (IS_ERR(regmap)) { |
| pm_runtime_put(&pdev->dev); |
| return PTR_ERR(regmap); |
| } |
| |
| clk_lucid_pll_configure(&video_pll0, regmap, &video_pll0_config); |
| clk_lucid_pll_configure(&video_pll1, regmap, &video_pll1_config); |
| |
| /* Keep some clocks always-on */ |
| qcom_branch_set_clk_en(regmap, 0xe58); /* VIDEO_CC_AHB_CLK */ |
| qcom_branch_set_clk_en(regmap, 0xeec); /* VIDEO_CC_XO_CLK */ |
| |
| ret = qcom_cc_really_probe(pdev, &video_cc_sm8250_desc, regmap); |
| |
| pm_runtime_put(&pdev->dev); |
| |
| return ret; |
| } |
| |
| static struct platform_driver video_cc_sm8250_driver = { |
| .probe = video_cc_sm8250_probe, |
| .driver = { |
| .name = "sm8250-videocc", |
| .of_match_table = video_cc_sm8250_match_table, |
| }, |
| }; |
| |
| module_platform_driver(video_cc_sm8250_driver); |
| |
| MODULE_LICENSE("GPL v2"); |
| MODULE_DESCRIPTION("QTI VIDEOCC SM8250 Driver"); |
