diff options
Diffstat (limited to 'drivers/clk/qcom/videocc-sm8450.c')
| -rw-r--r-- | drivers/clk/qcom/videocc-sm8450.c | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/drivers/clk/qcom/videocc-sm8450.c b/drivers/clk/qcom/videocc-sm8450.c new file mode 100644 index 0000000000..16a61146e6 --- /dev/null +++ b/drivers/clk/qcom/videocc-sm8450.c @@ -0,0 +1,464 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include <linux/clk-provider.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> + +#include <dt-bindings/clock/qcom,sm8450-videocc.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 "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO, +}; + +enum { + P_BI_TCXO, + P_VIDEO_CC_PLL0_OUT_MAIN, + P_VIDEO_CC_PLL1_OUT_MAIN, +}; + +static const struct pll_vco lucid_evo_vco[] = { + { 249600000, 2020000000, 0 }, +}; + +static const struct alpha_pll_config video_cc_pll0_config = { + /* .l includes CAL_L_VAL, L_VAL fields */ + .l = 0x0044001e, + .alpha = 0x0, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00182261, + .config_ctl_hi1_val = 0x32aa299c, + .user_ctl_val = 0x00000000, + .user_ctl_hi_val = 0x00000805, +}; + +static struct clk_alpha_pll video_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 = "video_cc_pll0", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_evo_ops, + }, + }, +}; + +static const struct alpha_pll_config video_cc_pll1_config = { + /* .l includes CAL_L_VAL, L_VAL fields */ + .l = 0x0044002b, + .alpha = 0xc000, + .config_ctl_val = 0x20485699, + .config_ctl_hi_val = 0x00182261, + .config_ctl_hi1_val = 0x32aa299c, + .user_ctl_val = 0x00000000, + .user_ctl_hi_val = 0x00000805, +}; + +static struct clk_alpha_pll video_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 = "video_cc_pll1", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_lucid_evo_ops, + }, + }, +}; + +static const struct parent_map video_cc_parent_map_0[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_CC_PLL0_OUT_MAIN, 1 }, +}; + +static const struct clk_parent_data video_cc_parent_data_0[] = { + { .index = DT_BI_TCXO }, + { .hw = &video_cc_pll0.clkr.hw }, +}; + +static const struct parent_map video_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_CC_PLL1_OUT_MAIN, 1 }, +}; + +static const struct clk_parent_data video_cc_parent_data_1[] = { + { .index = DT_BI_TCXO }, + { .hw = &video_cc_pll1.clkr.hw }, +}; + +static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = { + F(576000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(720000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1014000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1098000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + F(1332000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_mvs0_clk_src = { + .cmd_rcgr = 0x8000, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_0, + .freq_tbl = ftbl_video_cc_mvs0_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs0_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_mvs1_clk_src[] = { + F(840000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0), + F(1050000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0), + F(1350000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0), + F(1500000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0), + F(1650000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_mvs1_clk_src = { + .cmd_rcgr = 0x8018, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_1, + .freq_tbl = ftbl_video_cc_mvs1_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_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 struct clk_regmap_div video_cc_mvs0_div_clk_src = { + .reg = 0x80b8, + .shift = 0, + .width = 4, + .clkr.hw.init = &(const 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_mvs0c_div2_div_clk_src = { + .reg = 0x806c, + .shift = 0, + .width = 4, + .clkr.hw.init = &(const 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_mvs1_div_clk_src = { + .reg = 0x80dc, + .shift = 0, + .width = 4, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_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_regmap_div video_cc_mvs1c_div2_div_clk_src = { + .reg = 0x8094, + .shift = 0, + .width = 4, + .clkr.hw.init = &(const 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_mvs0_clk = { + .halt_reg = 0x80b0, + .halt_check = BRANCH_HALT_SKIP, + .hwcg_reg = 0x80b0, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x80b0, + .enable_mask = BIT(0), + .hw.init = &(const 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_mvs0c_clk = { + .halt_reg = 0x8064, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x8064, + .enable_mask = BIT(0), + .hw.init = &(const 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_mvs1_clk = { + .halt_reg = 0x80d4, + .halt_check = BRANCH_HALT_SKIP, + .hwcg_reg = 0x80d4, + .hwcg_bit = 1, + .clkr = { + .enable_reg = 0x80d4, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_mvs1_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_mvs1_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 = 0x808c, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x808c, + .enable_mask = BIT(0), + .hw.init = &(const 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 video_cc_mvs0c_gdsc = { + .gdscr = 0x804c, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "video_cc_mvs0c_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = RETAIN_FF_ENABLE, +}; + +static struct gdsc video_cc_mvs0_gdsc = { + .gdscr = 0x809c, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "video_cc_mvs0_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .parent = &video_cc_mvs0c_gdsc.pd, + .flags = RETAIN_FF_ENABLE | HW_CTRL, +}; + +static struct gdsc video_cc_mvs1c_gdsc = { + .gdscr = 0x8074, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "video_cc_mvs1c_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = RETAIN_FF_ENABLE, +}; + +static struct gdsc video_cc_mvs1_gdsc = { + .gdscr = 0x80c0, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "video_cc_mvs1_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .parent = &video_cc_mvs1c_gdsc.pd, + .flags = RETAIN_FF_ENABLE | HW_CTRL, +}; + +static struct clk_regmap *video_cc_sm8450_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] = &video_cc_mvs1_clk.clkr, + [VIDEO_CC_MVS1_CLK_SRC] = &video_cc_mvs1_clk_src.clkr, + [VIDEO_CC_MVS1_DIV_CLK_SRC] = &video_cc_mvs1_div_clk_src.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_cc_pll0.clkr, + [VIDEO_CC_PLL1] = &video_cc_pll1.clkr, +}; + +static struct gdsc *video_cc_sm8450_gdscs[] = { + [VIDEO_CC_MVS0C_GDSC] = &video_cc_mvs0c_gdsc, + [VIDEO_CC_MVS0_GDSC] = &video_cc_mvs0_gdsc, + [VIDEO_CC_MVS1C_GDSC] = &video_cc_mvs1c_gdsc, + [VIDEO_CC_MVS1_GDSC] = &video_cc_mvs1_gdsc, +}; + +static const struct qcom_reset_map video_cc_sm8450_resets[] = { + [CVP_VIDEO_CC_INTERFACE_BCR] = { 0x80e0 }, + [CVP_VIDEO_CC_MVS0_BCR] = { 0x8098 }, + [CVP_VIDEO_CC_MVS0C_BCR] = { 0x8048 }, + [CVP_VIDEO_CC_MVS1_BCR] = { 0x80bc }, + [CVP_VIDEO_CC_MVS1C_BCR] = { 0x8070 }, + [VIDEO_CC_MVS0C_CLK_ARES] = { 0x8064, 2 }, + [VIDEO_CC_MVS1C_CLK_ARES] = { 0x808c, 2 }, +}; + +static const struct regmap_config video_cc_sm8450_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0x9f4c, + .fast_io = true, +}; + +static struct qcom_cc_desc video_cc_sm8450_desc = { + .config = &video_cc_sm8450_regmap_config, + .clks = video_cc_sm8450_clocks, + .num_clks = ARRAY_SIZE(video_cc_sm8450_clocks), + .resets = video_cc_sm8450_resets, + .num_resets = ARRAY_SIZE(video_cc_sm8450_resets), + .gdscs = video_cc_sm8450_gdscs, + .num_gdscs = ARRAY_SIZE(video_cc_sm8450_gdscs), +}; + +static const struct of_device_id video_cc_sm8450_match_table[] = { + { .compatible = "qcom,sm8450-videocc" }, + { } +}; +MODULE_DEVICE_TABLE(of, video_cc_sm8450_match_table); + +static int video_cc_sm8450_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_sm8450_desc); + if (IS_ERR(regmap)) { + pm_runtime_put(&pdev->dev); + return PTR_ERR(regmap); + } + + clk_lucid_evo_pll_configure(&video_cc_pll0, regmap, &video_cc_pll0_config); + clk_lucid_evo_pll_configure(&video_cc_pll1, regmap, &video_cc_pll1_config); + + /* + * Keep clocks always enabled: + * video_cc_ahb_clk + * video_cc_sleep_clk + * video_cc_xo_clk + */ + regmap_update_bits(regmap, 0x80e4, BIT(0), BIT(0)); + regmap_update_bits(regmap, 0x8130, BIT(0), BIT(0)); + regmap_update_bits(regmap, 0x8114, BIT(0), BIT(0)); + + ret = qcom_cc_really_probe(pdev, &video_cc_sm8450_desc, regmap); + + pm_runtime_put(&pdev->dev); + + return ret; +} + +static struct platform_driver video_cc_sm8450_driver = { + .probe = video_cc_sm8450_probe, + .driver = { + .name = "video_cc-sm8450", + .of_match_table = video_cc_sm8450_match_table, + }, +}; + +static int __init video_cc_sm8450_init(void) +{ + return platform_driver_register(&video_cc_sm8450_driver); +} +subsys_initcall(video_cc_sm8450_init); + +static void __exit video_cc_sm8450_exit(void) +{ + platform_driver_unregister(&video_cc_sm8450_driver); +} +module_exit(video_cc_sm8450_exit); + +MODULE_DESCRIPTION("QTI VIDEOCC SM8450 Driver"); +MODULE_LICENSE("GPL"); |