| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2018, 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-sdm845.h> |
| |
| #include "common.h" |
| #include "clk-alpha-pll.h" |
| #include "clk-branch.h" |
| #include "clk-rcg.h" |
| #include "clk-regmap.h" |
| #include "clk-pll.h" |
| #include "gdsc.h" |
| |
| #define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) } |
| |
| enum { |
| P_BI_TCXO, |
| P_CORE_BI_PLL_TEST_SE, |
| P_VIDEO_PLL0_OUT_EVEN, |
| P_VIDEO_PLL0_OUT_MAIN, |
| P_VIDEO_PLL0_OUT_ODD, |
| }; |
| |
| static const struct parent_map video_cc_parent_map_0[] = { |
| { P_BI_TCXO, 0 }, |
| { P_VIDEO_PLL0_OUT_MAIN, 1 }, |
| { P_VIDEO_PLL0_OUT_EVEN, 2 }, |
| { P_VIDEO_PLL0_OUT_ODD, 3 }, |
| { P_CORE_BI_PLL_TEST_SE, 4 }, |
| }; |
| |
| static const char * const video_cc_parent_names_0[] = { |
| "bi_tcxo", |
| "video_pll0", |
| "video_pll0_out_even", |
| "video_pll0_out_odd", |
| "core_bi_pll_test_se", |
| }; |
| |
| static const struct alpha_pll_config video_pll0_config = { |
| .l = 0x10, |
| .alpha = 0xaaab, |
| }; |
| |
| static struct clk_alpha_pll video_pll0 = { |
| .offset = 0x42c, |
| .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA], |
| .clkr = { |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_pll0", |
| .parent_names = (const char *[]){ "bi_tcxo" }, |
| .num_parents = 1, |
| .ops = &clk_alpha_pll_fabia_ops, |
| }, |
| }, |
| }; |
| |
| static const struct freq_tbl ftbl_video_cc_venus_clk_src[] = { |
| F(100000000, P_VIDEO_PLL0_OUT_MAIN, 4, 0, 0), |
| F(200000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), |
| F(330000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| F(404000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| F(444000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| F(533000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0), |
| { } |
| }; |
| |
| static struct clk_rcg2 video_cc_venus_clk_src = { |
| .cmd_rcgr = 0x7f0, |
| .mnd_width = 0, |
| .hid_width = 5, |
| .parent_map = video_cc_parent_map_0, |
| .freq_tbl = ftbl_video_cc_venus_clk_src, |
| .clkr.hw.init = &(struct clk_init_data){ |
| .name = "video_cc_venus_clk_src", |
| .parent_names = video_cc_parent_names_0, |
| .num_parents = 5, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_rcg2_shared_ops, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_apb_clk = { |
| .halt_reg = 0x990, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x990, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_apb_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_at_clk = { |
| .halt_reg = 0x9f0, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x9f0, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_at_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_qdss_trig_clk = { |
| .halt_reg = 0x970, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x970, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_qdss_trig_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_qdss_tsctr_div8_clk = { |
| .halt_reg = 0x9d0, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x9d0, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_qdss_tsctr_div8_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_vcodec0_axi_clk = { |
| .halt_reg = 0x930, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x930, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_vcodec0_axi_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_vcodec0_core_clk = { |
| .halt_reg = 0x890, |
| .halt_check = BRANCH_VOTED, |
| .clkr = { |
| .enable_reg = 0x890, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_vcodec0_core_clk", |
| .parent_names = (const char *[]){ |
| "video_cc_venus_clk_src", |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_vcodec1_axi_clk = { |
| .halt_reg = 0x950, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x950, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_vcodec1_axi_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_vcodec1_core_clk = { |
| .halt_reg = 0x8d0, |
| .halt_check = BRANCH_VOTED, |
| .clkr = { |
| .enable_reg = 0x8d0, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_vcodec1_core_clk", |
| .parent_names = (const char *[]){ |
| "video_cc_venus_clk_src", |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_venus_ahb_clk = { |
| .halt_reg = 0x9b0, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x9b0, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_venus_ahb_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_venus_ctl_axi_clk = { |
| .halt_reg = 0x910, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x910, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_venus_ctl_axi_clk", |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct clk_branch video_cc_venus_ctl_core_clk = { |
| .halt_reg = 0x850, |
| .halt_check = BRANCH_HALT, |
| .clkr = { |
| .enable_reg = 0x850, |
| .enable_mask = BIT(0), |
| .hw.init = &(struct clk_init_data){ |
| .name = "video_cc_venus_ctl_core_clk", |
| .parent_names = (const char *[]){ |
| "video_cc_venus_clk_src", |
| }, |
| .num_parents = 1, |
| .flags = CLK_SET_RATE_PARENT, |
| .ops = &clk_branch2_ops, |
| }, |
| }, |
| }; |
| |
| static struct gdsc venus_gdsc = { |
| .gdscr = 0x814, |
| .pd = { |
| .name = "venus_gdsc", |
| }, |
| .cxcs = (unsigned int []){ 0x850, 0x910 }, |
| .cxc_count = 2, |
| .pwrsts = PWRSTS_OFF_ON, |
| .flags = POLL_CFG_GDSCR, |
| }; |
| |
| static struct gdsc vcodec0_gdsc = { |
| .gdscr = 0x874, |
| .pd = { |
| .name = "vcodec0_gdsc", |
| }, |
| .cxcs = (unsigned int []){ 0x890, 0x930 }, |
| .cxc_count = 2, |
| .flags = HW_CTRL | POLL_CFG_GDSCR, |
| .pwrsts = PWRSTS_OFF_ON, |
| }; |
| |
| static struct gdsc vcodec1_gdsc = { |
| .gdscr = 0x8b4, |
| .pd = { |
| .name = "vcodec1_gdsc", |
| }, |
| .cxcs = (unsigned int []){ 0x8d0, 0x950 }, |
| .cxc_count = 2, |
| .flags = HW_CTRL | POLL_CFG_GDSCR, |
| .pwrsts = PWRSTS_OFF_ON, |
| }; |
| |
| static struct clk_regmap *video_cc_sdm845_clocks[] = { |
| [VIDEO_CC_APB_CLK] = &video_cc_apb_clk.clkr, |
| [VIDEO_CC_AT_CLK] = &video_cc_at_clk.clkr, |
| [VIDEO_CC_QDSS_TRIG_CLK] = &video_cc_qdss_trig_clk.clkr, |
| [VIDEO_CC_QDSS_TSCTR_DIV8_CLK] = &video_cc_qdss_tsctr_div8_clk.clkr, |
| [VIDEO_CC_VCODEC0_AXI_CLK] = &video_cc_vcodec0_axi_clk.clkr, |
| [VIDEO_CC_VCODEC0_CORE_CLK] = &video_cc_vcodec0_core_clk.clkr, |
| [VIDEO_CC_VCODEC1_AXI_CLK] = &video_cc_vcodec1_axi_clk.clkr, |
| [VIDEO_CC_VCODEC1_CORE_CLK] = &video_cc_vcodec1_core_clk.clkr, |
| [VIDEO_CC_VENUS_AHB_CLK] = &video_cc_venus_ahb_clk.clkr, |
| [VIDEO_CC_VENUS_CLK_SRC] = &video_cc_venus_clk_src.clkr, |
| [VIDEO_CC_VENUS_CTL_AXI_CLK] = &video_cc_venus_ctl_axi_clk.clkr, |
| [VIDEO_CC_VENUS_CTL_CORE_CLK] = &video_cc_venus_ctl_core_clk.clkr, |
| [VIDEO_PLL0] = &video_pll0.clkr, |
| }; |
| |
| static struct gdsc *video_cc_sdm845_gdscs[] = { |
| [VENUS_GDSC] = &venus_gdsc, |
| [VCODEC0_GDSC] = &vcodec0_gdsc, |
| [VCODEC1_GDSC] = &vcodec1_gdsc, |
| }; |
| |
| static const struct regmap_config video_cc_sdm845_regmap_config = { |
| .reg_bits = 32, |
| .reg_stride = 4, |
| .val_bits = 32, |
| .max_register = 0xb90, |
| .fast_io = true, |
| }; |
| |
| static const struct qcom_cc_desc video_cc_sdm845_desc = { |
| .config = &video_cc_sdm845_regmap_config, |
| .clks = video_cc_sdm845_clocks, |
| .num_clks = ARRAY_SIZE(video_cc_sdm845_clocks), |
| .gdscs = video_cc_sdm845_gdscs, |
| .num_gdscs = ARRAY_SIZE(video_cc_sdm845_gdscs), |
| }; |
| |
| static const struct of_device_id video_cc_sdm845_match_table[] = { |
| { .compatible = "qcom,sdm845-videocc" }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, video_cc_sdm845_match_table); |
| |
| static int video_cc_sdm845_probe(struct platform_device *pdev) |
| { |
| struct regmap *regmap; |
| |
| regmap = qcom_cc_map(pdev, &video_cc_sdm845_desc); |
| if (IS_ERR(regmap)) |
| return PTR_ERR(regmap); |
| |
| clk_fabia_pll_configure(&video_pll0, regmap, &video_pll0_config); |
| |
| return qcom_cc_really_probe(pdev, &video_cc_sdm845_desc, regmap); |
| } |
| |
| static struct platform_driver video_cc_sdm845_driver = { |
| .probe = video_cc_sdm845_probe, |
| .driver = { |
| .name = "sdm845-videocc", |
| .of_match_table = video_cc_sdm845_match_table, |
| }, |
| }; |
| |
| static int __init video_cc_sdm845_init(void) |
| { |
| return platform_driver_register(&video_cc_sdm845_driver); |
| } |
| subsys_initcall(video_cc_sdm845_init); |
| |
| static void __exit video_cc_sdm845_exit(void) |
| { |
| platform_driver_unregister(&video_cc_sdm845_driver); |
| } |
| module_exit(video_cc_sdm845_exit); |
| |
| MODULE_LICENSE("GPL v2"); |
