root/drivers/clk/qcom/dispcc-sdm845.c
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
 */

#include <linux/clk-provider.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#include <dt-bindings/clock/qcom,dispcc-sdm845.h>

#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_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,
        P_DP_PHY_PLL_LINK_CLK,
        P_DP_PHY_PLL_VCO_DIV_CLK,
};

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_data = &(const struct clk_parent_data){
                                .fw_name = "bi_tcxo", .name = "bi_tcxo",
                        },
                        .num_parents = 1,
                        .ops = &clk_alpha_pll_fabia_ops,
                },
        },
};

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 },
};

static const struct clk_parent_data disp_cc_parent_data_0[] = {
        { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
        { .fw_name = "dsi0_phy_pll_out_byteclk", .name = "dsi0_phy_pll_out_byteclk" },
        { .fw_name = "dsi1_phy_pll_out_byteclk", .name = "dsi1_phy_pll_out_byteclk" },
};

static const struct parent_map disp_cc_parent_map_1[] = {
        { P_BI_TCXO, 0 },
        { P_DP_PHY_PLL_LINK_CLK, 1 },
        { P_DP_PHY_PLL_VCO_DIV_CLK, 2 },
};

static const struct clk_parent_data disp_cc_parent_data_1[] = {
        { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
        { .fw_name = "dp_link_clk_divsel_ten", .name = "dp_link_clk_divsel_ten" },
        { .fw_name = "dp_vco_divided_clk_src_mux", .name = "dp_vco_divided_clk_src_mux" },
};

static const struct parent_map disp_cc_parent_map_2[] = {
        { P_BI_TCXO, 0 },
};

static const struct clk_parent_data disp_cc_parent_data_2[] = {
        { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
};

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 },
};

static const struct clk_parent_data disp_cc_parent_data_3[] = {
        { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
        { .hw = &disp_cc_pll0.clkr.hw },
        { .fw_name = "gcc_disp_gpll0_clk_src", .name = "gcc_disp_gpll0_clk_src" },
        { .fw_name = "gcc_disp_gpll0_div_clk_src", .name = "gcc_disp_gpll0_div_clk_src" },
};

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 },
};

static const struct clk_parent_data disp_cc_parent_data_4[] = {
        { .fw_name = "bi_tcxo", .name = "bi_tcxo" },
        { .fw_name = "dsi0_phy_pll_out_dsiclk", .name = "dsi0_phy_pll_out_dsiclk" },
        { .fw_name = "dsi1_phy_pll_out_dsiclk", .name = "dsi1_phy_pll_out_dsiclk" },
};

/* 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_data = disp_cc_parent_data_0,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
                .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_data = disp_cc_parent_data_0,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
                .flags = CLK_SET_RATE_PARENT,
                .ops = &clk_byte2_ops,
        },
};

static const struct freq_tbl ftbl_disp_cc_mdss_dp_aux_clk_src[] = {
        F(19200000, P_BI_TCXO, 1, 0, 0),
        { }
};

static struct clk_rcg2 disp_cc_mdss_dp_aux_clk_src = {
        .cmd_rcgr = 0x219c,
        .mnd_width = 0,
        .hid_width = 5,
        .parent_map = disp_cc_parent_map_2,
        .freq_tbl = ftbl_disp_cc_mdss_dp_aux_clk_src,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "disp_cc_mdss_dp_aux_clk_src",
                .parent_data = disp_cc_parent_data_2,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_2),
                .flags = CLK_SET_RATE_PARENT,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_rcg2 disp_cc_mdss_dp_crypto_clk_src = {
        .cmd_rcgr = 0x2154,
        .mnd_width = 0,
        .hid_width = 5,
        .parent_map = disp_cc_parent_map_1,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "disp_cc_mdss_dp_crypto_clk_src",
                .parent_data = disp_cc_parent_data_1,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
                .ops = &clk_byte2_ops,
        },
};

static struct clk_rcg2 disp_cc_mdss_dp_link_clk_src = {
        .cmd_rcgr = 0x2138,
        .mnd_width = 0,
        .hid_width = 5,
        .parent_map = disp_cc_parent_map_1,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "disp_cc_mdss_dp_link_clk_src",
                .parent_data = disp_cc_parent_data_1,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
                .flags = CLK_SET_RATE_PARENT,
                .ops = &clk_byte2_ops,
        },
};

static struct clk_rcg2 disp_cc_mdss_dp_pixel1_clk_src = {
        .cmd_rcgr = 0x2184,
        .mnd_width = 16,
        .hid_width = 5,
        .parent_map = disp_cc_parent_map_1,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "disp_cc_mdss_dp_pixel1_clk_src",
                .parent_data = disp_cc_parent_data_1,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
                .flags = CLK_SET_RATE_PARENT,
                .ops = &clk_dp_ops,
        },
};

static struct clk_rcg2 disp_cc_mdss_dp_pixel_clk_src = {
        .cmd_rcgr = 0x216c,
        .mnd_width = 16,
        .hid_width = 5,
        .parent_map = disp_cc_parent_map_1,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "disp_cc_mdss_dp_pixel_clk_src",
                .parent_data = disp_cc_parent_data_1,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
                .flags = CLK_SET_RATE_PARENT,
                .ops = &clk_dp_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_data = disp_cc_parent_data_0,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
                .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_data = disp_cc_parent_data_0,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_0),
                .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_data = disp_cc_parent_data_3,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
                .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_data = disp_cc_parent_data_4,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_4),
                .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
                .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_data = disp_cc_parent_data_4,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_4),
                .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
                .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_data = disp_cc_parent_data_3,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_3),
                .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_data = disp_cc_parent_data_2,
                .num_parents = ARRAY_SIZE(disp_cc_parent_data_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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_byte0_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_byte0_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_byte0_div_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_byte1_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_byte1_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_byte1_div_clk_src.clkr.hw,
                        },
                        .num_parents = 1,
                        .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch disp_cc_mdss_dp_aux_clk = {
        .halt_reg = 0x2054,
        .halt_check = BRANCH_HALT,
        .clkr = {
                .enable_reg = 0x2054,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "disp_cc_mdss_dp_aux_clk",
                        .parent_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_dp_aux_clk_src.clkr.hw,
                        },
                        .num_parents = 1,
                        .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch disp_cc_mdss_dp_crypto_clk = {
        .halt_reg = 0x2048,
        .halt_check = BRANCH_HALT,
        .clkr = {
                .enable_reg = 0x2048,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "disp_cc_mdss_dp_crypto_clk",
                        .parent_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_dp_crypto_clk_src.clkr.hw,
                        },
                        .num_parents = 1,
                        .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch disp_cc_mdss_dp_link_clk = {
        .halt_reg = 0x2040,
        .halt_check = BRANCH_HALT,
        .clkr = {
                .enable_reg = 0x2040,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "disp_cc_mdss_dp_link_clk",
                        .parent_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_dp_link_clk_src.clkr.hw,
                        },
                        .num_parents = 1,
                        .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
};

/* reset state of disp_cc_mdss_dp_link_div_clk_src divider is 0x3 (div 4) */
static struct clk_branch disp_cc_mdss_dp_link_intf_clk = {
        .halt_reg = 0x2044,
        .halt_check = BRANCH_HALT,
        .clkr = {
                .enable_reg = 0x2044,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "disp_cc_mdss_dp_link_intf_clk",
                        .parent_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_dp_link_clk_src.clkr.hw,
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch disp_cc_mdss_dp_pixel1_clk = {
        .halt_reg = 0x2050,
        .halt_check = BRANCH_HALT,
        .clkr = {
                .enable_reg = 0x2050,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "disp_cc_mdss_dp_pixel1_clk",
                        .parent_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_dp_pixel1_clk_src.clkr.hw,
                        },
                        .num_parents = 1,
                        .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch disp_cc_mdss_dp_pixel_clk = {
        .halt_reg = 0x204c,
        .halt_check = BRANCH_HALT,
        .clkr = {
                .enable_reg = 0x204c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "disp_cc_mdss_dp_pixel_clk",
                        .parent_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_dp_pixel_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_esc0_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_esc1_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_mdp_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_mdp_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_pclk0_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_pclk1_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_rot_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_vsync_clk_src.clkr.hw,
                        },
                        .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_hws = (const struct clk_hw*[]){
                                &disp_cc_mdss_vsync_clk_src.clkr.hw,
                        },
                        .num_parents = 1,
                        .flags = CLK_SET_RATE_PARENT,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct gdsc mdss_gdsc = {
        .gdscr = 0x3000,
        .en_few_wait_val = 0x6,
        .en_rest_wait_val = 0x5,
        .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_DP_AUX_CLK] = &disp_cc_mdss_dp_aux_clk.clkr,
        [DISP_CC_MDSS_DP_AUX_CLK_SRC] = &disp_cc_mdss_dp_aux_clk_src.clkr,
        [DISP_CC_MDSS_DP_CRYPTO_CLK] = &disp_cc_mdss_dp_crypto_clk.clkr,
        [DISP_CC_MDSS_DP_CRYPTO_CLK_SRC] =
                                        &disp_cc_mdss_dp_crypto_clk_src.clkr,
        [DISP_CC_MDSS_DP_LINK_CLK] = &disp_cc_mdss_dp_link_clk.clkr,
        [DISP_CC_MDSS_DP_LINK_CLK_SRC] = &disp_cc_mdss_dp_link_clk_src.clkr,
        [DISP_CC_MDSS_DP_LINK_INTF_CLK] = &disp_cc_mdss_dp_link_intf_clk.clkr,
        [DISP_CC_MDSS_DP_PIXEL1_CLK] = &disp_cc_mdss_dp_pixel1_clk.clkr,
        [DISP_CC_MDSS_DP_PIXEL1_CLK_SRC] =
                                        &disp_cc_mdss_dp_pixel1_clk_src.clkr,
        [DISP_CC_MDSS_DP_PIXEL_CLK] = &disp_cc_mdss_dp_pixel_clk.clkr,
        [DISP_CC_MDSS_DP_PIXEL_CLK_SRC] = &disp_cc_mdss_dp_pixel_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->dev, &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,
        },
};

module_platform_driver(disp_cc_sdm845_driver);

MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("QTI DISPCC SDM845 Driver");