// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2018, The Linux Foundation. All rights reserved. */ #include #include #include #include #include #include #include "clk-alpha-pll.h" #include "clk-branch.h" #include "clk-rcg.h" #include "clk-regmap-divider.h" #include "common.h" #include "gdsc.h" #include "reset.h" enum { P_BI_TCXO, P_CORE_BI_PLL_TEST_SE, P_DISP_CC_PLL0_OUT_MAIN, P_DSI0_PHY_PLL_OUT_BYTECLK, P_DSI0_PHY_PLL_OUT_DSICLK, P_DSI1_PHY_PLL_OUT_BYTECLK, P_DSI1_PHY_PLL_OUT_DSICLK, P_GPLL0_OUT_MAIN, P_GPLL0_OUT_MAIN_DIV, }; static const struct parent_map disp_cc_parent_map_0[] = { { P_BI_TCXO, 0 }, { P_DSI0_PHY_PLL_OUT_BYTECLK, 1 }, { P_DSI1_PHY_PLL_OUT_BYTECLK, 2 }, { P_CORE_BI_PLL_TEST_SE, 7 }, }; static const char * const disp_cc_parent_names_0[] = { "bi_tcxo", "dsi0_phy_pll_out_byteclk", "dsi1_phy_pll_out_byteclk", "core_bi_pll_test_se", }; static const struct parent_map disp_cc_parent_map_2[] = { { P_BI_TCXO, 0 }, { P_CORE_BI_PLL_TEST_SE, 7 }, }; static const char * const disp_cc_parent_names_2[] = { "bi_tcxo", "core_bi_pll_test_se", }; static const struct parent_map disp_cc_parent_map_3[] = { { P_BI_TCXO, 0 }, { P_DISP_CC_PLL0_OUT_MAIN, 1 }, { P_GPLL0_OUT_MAIN, 4 }, { P_GPLL0_OUT_MAIN_DIV, 5 }, { P_CORE_BI_PLL_TEST_SE, 7 }, }; static const char * const disp_cc_parent_names_3[] = { "bi_tcxo", "disp_cc_pll0", "gcc_disp_gpll0_clk_src", "gcc_disp_gpll0_div_clk_src", "core_bi_pll_test_se", }; static const struct parent_map disp_cc_parent_map_4[] = { { P_BI_TCXO, 0 }, { P_DSI0_PHY_PLL_OUT_DSICLK, 1 }, { P_DSI1_PHY_PLL_OUT_DSICLK, 2 }, { P_CORE_BI_PLL_TEST_SE, 7 }, }; static const char * const disp_cc_parent_names_4[] = { "bi_tcxo", "dsi0_phy_pll_out_dsiclk", "dsi1_phy_pll_out_dsiclk", "core_bi_pll_test_se", }; static struct clk_alpha_pll disp_cc_pll0 = { .offset = 0x0, .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA], .clkr = { .hw.init = &(struct clk_init_data){ .name = "disp_cc_pll0", .parent_names = (const char *[]){ "bi_tcxo" }, .num_parents = 1, .ops = &clk_alpha_pll_fabia_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = { .cmd_rcgr = 0x20d0, .mnd_width = 0, .hid_width = 5, .parent_map = disp_cc_parent_map_0, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte0_clk_src", .parent_names = disp_cc_parent_names_0, .num_parents = 4, .flags = CLK_SET_RATE_PARENT, .ops = &clk_byte2_ops, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_rcg2 disp_cc_mdss_byte1_clk_src = { .cmd_rcgr = 0x20ec, .mnd_width = 0, .hid_width = 5, .parent_map = disp_cc_parent_map_0, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte1_clk_src", .parent_names = disp_cc_parent_names_0, .num_parents = 4, .flags = CLK_SET_RATE_PARENT, .ops = &clk_byte2_ops, }, }; static const struct freq_tbl ftbl_disp_cc_mdss_esc0_clk_src[] = { F(19200000, P_BI_TCXO, 1, 0, 0), { } }; static struct clk_rcg2 disp_cc_mdss_esc0_clk_src = { .cmd_rcgr = 0x2108, .mnd_width = 0, .hid_width = 5, .parent_map = disp_cc_parent_map_0, .freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_esc0_clk_src", .parent_names = disp_cc_parent_names_0, .num_parents = 4, .ops = &clk_rcg2_ops, }, }; static struct clk_rcg2 disp_cc_mdss_esc1_clk_src = { .cmd_rcgr = 0x2120, .mnd_width = 0, .hid_width = 5, .parent_map = disp_cc_parent_map_0, .freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_esc1_clk_src", .parent_names = disp_cc_parent_names_0, .num_parents = 4, .ops = &clk_rcg2_ops, }, }; static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src[] = { F(19200000, P_BI_TCXO, 1, 0, 0), F(85714286, P_GPLL0_OUT_MAIN, 7, 0, 0), F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0), F(150000000, P_GPLL0_OUT_MAIN, 4, 0, 0), F(171428571, P_GPLL0_OUT_MAIN, 3.5, 0, 0), F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0), F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0), F(344000000, P_DISP_CC_PLL0_OUT_MAIN, 2.5, 0, 0), F(430000000, P_DISP_CC_PLL0_OUT_MAIN, 2, 0, 0), { } }; static struct clk_rcg2 disp_cc_mdss_mdp_clk_src = { .cmd_rcgr = 0x2088, .mnd_width = 0, .hid_width = 5, .parent_map = disp_cc_parent_map_3, .freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_mdp_clk_src", .parent_names = disp_cc_parent_names_3, .num_parents = 5, .ops = &clk_rcg2_shared_ops, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_rcg2 disp_cc_mdss_pclk0_clk_src = { .cmd_rcgr = 0x2058, .mnd_width = 8, .hid_width = 5, .parent_map = disp_cc_parent_map_4, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_pclk0_clk_src", .parent_names = disp_cc_parent_names_4, .num_parents = 4, .flags = CLK_SET_RATE_PARENT, .ops = &clk_pixel_ops, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_rcg2 disp_cc_mdss_pclk1_clk_src = { .cmd_rcgr = 0x2070, .mnd_width = 8, .hid_width = 5, .parent_map = disp_cc_parent_map_4, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_pclk1_clk_src", .parent_names = disp_cc_parent_names_4, .num_parents = 4, .flags = CLK_SET_RATE_PARENT, .ops = &clk_pixel_ops, }, }; static const struct freq_tbl ftbl_disp_cc_mdss_rot_clk_src[] = { F(19200000, P_BI_TCXO, 1, 0, 0), F(171428571, P_GPLL0_OUT_MAIN, 3.5, 0, 0), F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0), F(344000000, P_DISP_CC_PLL0_OUT_MAIN, 2.5, 0, 0), F(430000000, P_DISP_CC_PLL0_OUT_MAIN, 2, 0, 0), { } }; static struct clk_rcg2 disp_cc_mdss_rot_clk_src = { .cmd_rcgr = 0x20a0, .mnd_width = 0, .hid_width = 5, .parent_map = disp_cc_parent_map_3, .freq_tbl = ftbl_disp_cc_mdss_rot_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_rot_clk_src", .parent_names = disp_cc_parent_names_3, .num_parents = 5, .ops = &clk_rcg2_shared_ops, }, }; static struct clk_rcg2 disp_cc_mdss_vsync_clk_src = { .cmd_rcgr = 0x20b8, .mnd_width = 0, .hid_width = 5, .parent_map = disp_cc_parent_map_2, .freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_vsync_clk_src", .parent_names = disp_cc_parent_names_2, .num_parents = 2, .ops = &clk_rcg2_ops, }, }; static struct clk_branch disp_cc_mdss_ahb_clk = { .halt_reg = 0x4004, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x4004, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_ahb_clk", .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_axi_clk = { .halt_reg = 0x4008, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x4008, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_axi_clk", .ops = &clk_branch2_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_branch disp_cc_mdss_byte0_clk = { .halt_reg = 0x2028, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2028, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte0_clk", .parent_names = (const char *[]){ "disp_cc_mdss_byte0_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_regmap_div disp_cc_mdss_byte0_div_clk_src = { .reg = 0x20e8, .shift = 0, .width = 2, .clkr = { .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte0_div_clk_src", .parent_names = (const char *[]){ "disp_cc_mdss_byte0_clk_src", }, .num_parents = 1, .ops = &clk_regmap_div_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_branch disp_cc_mdss_byte0_intf_clk = { .halt_reg = 0x202c, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x202c, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte0_intf_clk", .parent_names = (const char *[]){ "disp_cc_mdss_byte0_div_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_branch disp_cc_mdss_byte1_clk = { .halt_reg = 0x2030, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2030, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte1_clk", .parent_names = (const char *[]){ "disp_cc_mdss_byte1_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_regmap_div disp_cc_mdss_byte1_div_clk_src = { .reg = 0x2104, .shift = 0, .width = 2, .clkr = { .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte1_div_clk_src", .parent_names = (const char *[]){ "disp_cc_mdss_byte1_clk_src", }, .num_parents = 1, .ops = &clk_regmap_div_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_branch disp_cc_mdss_byte1_intf_clk = { .halt_reg = 0x2034, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2034, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_byte1_intf_clk", .parent_names = (const char *[]){ "disp_cc_mdss_byte1_div_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_esc0_clk = { .halt_reg = 0x2038, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2038, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_esc0_clk", .parent_names = (const char *[]){ "disp_cc_mdss_esc0_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_esc1_clk = { .halt_reg = 0x203c, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x203c, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_esc1_clk", .parent_names = (const char *[]){ "disp_cc_mdss_esc1_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_mdp_clk = { .halt_reg = 0x200c, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x200c, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_mdp_clk", .parent_names = (const char *[]){ "disp_cc_mdss_mdp_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_mdp_lut_clk = { .halt_reg = 0x201c, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x201c, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_mdp_lut_clk", .parent_names = (const char *[]){ "disp_cc_mdss_mdp_clk_src", }, .num_parents = 1, .ops = &clk_branch2_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_branch disp_cc_mdss_pclk0_clk = { .halt_reg = 0x2004, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2004, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_pclk0_clk", .parent_names = (const char *[]){ "disp_cc_mdss_pclk0_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; /* Return the HW recalc rate for idle use case */ static struct clk_branch disp_cc_mdss_pclk1_clk = { .halt_reg = 0x2008, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2008, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_pclk1_clk", .parent_names = (const char *[]){ "disp_cc_mdss_pclk1_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_rot_clk = { .halt_reg = 0x2014, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2014, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_rot_clk", .parent_names = (const char *[]){ "disp_cc_mdss_rot_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_rscc_ahb_clk = { .halt_reg = 0x5004, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x5004, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_rscc_ahb_clk", .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_rscc_vsync_clk = { .halt_reg = 0x5008, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x5008, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_rscc_vsync_clk", .parent_names = (const char *[]){ "disp_cc_mdss_vsync_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct clk_branch disp_cc_mdss_vsync_clk = { .halt_reg = 0x2024, .halt_check = BRANCH_HALT, .clkr = { .enable_reg = 0x2024, .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ .name = "disp_cc_mdss_vsync_clk", .parent_names = (const char *[]){ "disp_cc_mdss_vsync_clk_src", }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, }; static struct gdsc mdss_gdsc = { .gdscr = 0x3000, .pd = { .name = "mdss_gdsc", }, .pwrsts = PWRSTS_OFF_ON, .flags = HW_CTRL | POLL_CFG_GDSCR, }; static struct clk_regmap *disp_cc_sdm845_clocks[] = { [DISP_CC_MDSS_AHB_CLK] = &disp_cc_mdss_ahb_clk.clkr, [DISP_CC_MDSS_AXI_CLK] = &disp_cc_mdss_axi_clk.clkr, [DISP_CC_MDSS_BYTE0_CLK] = &disp_cc_mdss_byte0_clk.clkr, [DISP_CC_MDSS_BYTE0_CLK_SRC] = &disp_cc_mdss_byte0_clk_src.clkr, [DISP_CC_MDSS_BYTE0_INTF_CLK] = &disp_cc_mdss_byte0_intf_clk.clkr, [DISP_CC_MDSS_BYTE0_DIV_CLK_SRC] = &disp_cc_mdss_byte0_div_clk_src.clkr, [DISP_CC_MDSS_BYTE1_CLK] = &disp_cc_mdss_byte1_clk.clkr, [DISP_CC_MDSS_BYTE1_CLK_SRC] = &disp_cc_mdss_byte1_clk_src.clkr, [DISP_CC_MDSS_BYTE1_INTF_CLK] = &disp_cc_mdss_byte1_intf_clk.clkr, [DISP_CC_MDSS_BYTE1_DIV_CLK_SRC] = &disp_cc_mdss_byte1_div_clk_src.clkr, [DISP_CC_MDSS_ESC0_CLK] = &disp_cc_mdss_esc0_clk.clkr, [DISP_CC_MDSS_ESC0_CLK_SRC] = &disp_cc_mdss_esc0_clk_src.clkr, [DISP_CC_MDSS_ESC1_CLK] = &disp_cc_mdss_esc1_clk.clkr, [DISP_CC_MDSS_ESC1_CLK_SRC] = &disp_cc_mdss_esc1_clk_src.clkr, [DISP_CC_MDSS_MDP_CLK] = &disp_cc_mdss_mdp_clk.clkr, [DISP_CC_MDSS_MDP_CLK_SRC] = &disp_cc_mdss_mdp_clk_src.clkr, [DISP_CC_MDSS_MDP_LUT_CLK] = &disp_cc_mdss_mdp_lut_clk.clkr, [DISP_CC_MDSS_PCLK0_CLK] = &disp_cc_mdss_pclk0_clk.clkr, [DISP_CC_MDSS_PCLK0_CLK_SRC] = &disp_cc_mdss_pclk0_clk_src.clkr, [DISP_CC_MDSS_PCLK1_CLK] = &disp_cc_mdss_pclk1_clk.clkr, [DISP_CC_MDSS_PCLK1_CLK_SRC] = &disp_cc_mdss_pclk1_clk_src.clkr, [DISP_CC_MDSS_ROT_CLK] = &disp_cc_mdss_rot_clk.clkr, [DISP_CC_MDSS_ROT_CLK_SRC] = &disp_cc_mdss_rot_clk_src.clkr, [DISP_CC_MDSS_RSCC_AHB_CLK] = &disp_cc_mdss_rscc_ahb_clk.clkr, [DISP_CC_MDSS_RSCC_VSYNC_CLK] = &disp_cc_mdss_rscc_vsync_clk.clkr, [DISP_CC_MDSS_VSYNC_CLK] = &disp_cc_mdss_vsync_clk.clkr, [DISP_CC_MDSS_VSYNC_CLK_SRC] = &disp_cc_mdss_vsync_clk_src.clkr, [DISP_CC_PLL0] = &disp_cc_pll0.clkr, }; static const struct qcom_reset_map disp_cc_sdm845_resets[] = { [DISP_CC_MDSS_RSCC_BCR] = { 0x5000 }, }; static struct gdsc *disp_cc_sdm845_gdscs[] = { [MDSS_GDSC] = &mdss_gdsc, }; static const struct regmap_config disp_cc_sdm845_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, .max_register = 0x10000, .fast_io = true, }; static const struct qcom_cc_desc disp_cc_sdm845_desc = { .config = &disp_cc_sdm845_regmap_config, .clks = disp_cc_sdm845_clocks, .num_clks = ARRAY_SIZE(disp_cc_sdm845_clocks), .resets = disp_cc_sdm845_resets, .num_resets = ARRAY_SIZE(disp_cc_sdm845_resets), .gdscs = disp_cc_sdm845_gdscs, .num_gdscs = ARRAY_SIZE(disp_cc_sdm845_gdscs), }; static const struct of_device_id disp_cc_sdm845_match_table[] = { { .compatible = "qcom,sdm845-dispcc" }, { } }; MODULE_DEVICE_TABLE(of, disp_cc_sdm845_match_table); static int disp_cc_sdm845_probe(struct platform_device *pdev) { struct regmap *regmap; struct alpha_pll_config disp_cc_pll0_config = {}; regmap = qcom_cc_map(pdev, &disp_cc_sdm845_desc); if (IS_ERR(regmap)) return PTR_ERR(regmap); disp_cc_pll0_config.l = 0x2c; disp_cc_pll0_config.alpha = 0xcaaa; clk_fabia_pll_configure(&disp_cc_pll0, regmap, &disp_cc_pll0_config); /* Enable hardware clock gating for DSI and MDP clocks */ regmap_update_bits(regmap, 0x8000, 0x7f0, 0x7f0); return qcom_cc_really_probe(pdev, &disp_cc_sdm845_desc, regmap); } static struct platform_driver disp_cc_sdm845_driver = { .probe = disp_cc_sdm845_probe, .driver = { .name = "disp_cc-sdm845", .of_match_table = disp_cc_sdm845_match_table, }, }; static int __init disp_cc_sdm845_init(void) { return platform_driver_register(&disp_cc_sdm845_driver); } subsys_initcall(disp_cc_sdm845_init); static void __exit disp_cc_sdm845_exit(void) { platform_driver_unregister(&disp_cc_sdm845_driver); } module_exit(disp_cc_sdm845_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("QTI DISPCC SDM845 Driver");