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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/clk/qcom/videocc-sc7280.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/clk/qcom/videocc-sc7280.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/drivers/clk/qcom/videocc-sc7280.c b/drivers/clk/qcom/videocc-sc7280.c new file mode 100644 index 000000000..615695d82 --- /dev/null +++ b/drivers/clk/qcom/videocc-sc7280.c @@ -0,0 +1,325 @@ +// 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"); |