/*
 * Copyright (c) 2015 The Linux Foundation. All rights reserved.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/clk-provider.h>
#include <linux/regmap.h>
#include <linux/reset-controller.h>
#include <linux/math64.h>
#include <linux/delay.h>
#include <linux/clk.h>

#include <dt-bindings/clock/qcom,gcc-ipq4019.h>

#include "common.h"
#include "clk-regmap.h"
#include "clk-rcg.h"
#include "clk-branch.h"
#include "reset.h"
#include "clk-regmap-divider.h"

#define to_clk_regmap_div(_hw) container_of(to_clk_regmap(_hw),\
                                        struct clk_regmap_div, clkr)

#define to_clk_fepll(_hw) container_of(to_clk_regmap_div(_hw),\
                                                struct clk_fepll, cdiv)

enum {
        P_XO,
        P_FEPLL200,
        P_FEPLL500,
        P_DDRPLL,
        P_FEPLLWCSS2G,
        P_FEPLLWCSS5G,
        P_FEPLL125DLY,
        P_DDRPLLAPSS,
};

/*
 * struct clk_fepll_vco - vco feedback divider corresponds for FEPLL clocks
 * @fdbkdiv_shift: lowest bit for FDBKDIV
 * @fdbkdiv_width: number of bits in FDBKDIV
 * @refclkdiv_shift: lowest bit for REFCLKDIV
 * @refclkdiv_width: number of bits in REFCLKDIV
 * @reg: PLL_DIV register address
 */
struct clk_fepll_vco {
        u32 fdbkdiv_shift;
        u32 fdbkdiv_width;
        u32 refclkdiv_shift;
        u32 refclkdiv_width;
        u32 reg;
};

/*
 * struct clk_fepll - clk divider corresponds to FEPLL clocks
 * @fixed_div: fixed divider value if divider is fixed
 * @parent_map: map from software's parent index to hardware's src_sel field
 * @cdiv: divider values for PLL_DIV
 * @pll_vco: vco feedback divider
 * @div_table: mapping for actual divider value to register divider value
 *             in case of non fixed divider
 * @freq_tbl: frequency table
 */
struct clk_fepll {
        u32 fixed_div;
        const u8 *parent_map;
        struct clk_regmap_div cdiv;
        const struct clk_fepll_vco *pll_vco;
        const struct clk_div_table *div_table;
        const struct freq_tbl *freq_tbl;
};

static struct parent_map gcc_xo_200_500_map[] = {
        { P_XO, 0 },
        { P_FEPLL200, 1 },
        { P_FEPLL500, 2 },
};

static const char * const gcc_xo_200_500[] = {
        "xo",
        "fepll200",
        "fepll500",
};

static struct parent_map gcc_xo_200_map[] = {
        {  P_XO, 0 },
        {  P_FEPLL200, 1 },
};

static const char * const gcc_xo_200[] = {
        "xo",
        "fepll200",
};

static struct parent_map gcc_xo_200_spi_map[] = {
        {  P_XO, 0 },
        {  P_FEPLL200, 2 },
};

static const char * const gcc_xo_200_spi[] = {
        "xo",
        "fepll200",
};

static struct parent_map gcc_xo_sdcc1_500_map[] = {
        {  P_XO, 0 },
        {  P_DDRPLL, 1 },
        {  P_FEPLL500, 2 },
};

static const char * const gcc_xo_sdcc1_500[] = {
        "xo",
        "ddrpllsdcc",
        "fepll500",
};

static struct parent_map gcc_xo_wcss2g_map[] = {
        {  P_XO, 0 },
        {  P_FEPLLWCSS2G, 1 },
};

static const char * const gcc_xo_wcss2g[] = {
        "xo",
        "fepllwcss2g",
};

static struct parent_map gcc_xo_wcss5g_map[] = {
        {  P_XO, 0 },
        {  P_FEPLLWCSS5G, 1 },
};

static const char * const gcc_xo_wcss5g[] = {
        "xo",
        "fepllwcss5g",
};

static struct parent_map gcc_xo_125_dly_map[] = {
        {  P_XO, 0 },
        {  P_FEPLL125DLY, 1 },
};

static const char * const gcc_xo_125_dly[] = {
        "xo",
        "fepll125dly",
};

static struct parent_map gcc_xo_ddr_500_200_map[] = {
        {  P_XO, 0 },
        {  P_FEPLL200, 3 },
        {  P_FEPLL500, 2 },
        {  P_DDRPLLAPSS, 1 },
};

/*
 * Contains index for safe clock during APSS freq change.
 * fepll500 is being used as safe clock so initialize it
 * with its index in parents list gcc_xo_ddr_500_200.
 */
static const int gcc_ipq4019_cpu_safe_parent = 2;
static const char * const gcc_xo_ddr_500_200[] = {
        "xo",
        "fepll200",
        "fepll500",
        "ddrpllapss",
};

#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }

static const struct freq_tbl ftbl_gcc_audio_pwm_clk[] = {
        F(48000000, P_XO, 1, 0, 0),
        F(200000000, P_FEPLL200, 1, 0, 0),
        { }
};

static struct clk_rcg2 audio_clk_src = {
        .cmd_rcgr = 0x1b000,
        .hid_width = 5,
        .parent_map = gcc_xo_200_map,
        .freq_tbl = ftbl_gcc_audio_pwm_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "audio_clk_src",
                .parent_names = gcc_xo_200,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,

        },
};

static struct clk_branch gcc_audio_ahb_clk = {
        .halt_reg = 0x1b010,
        .clkr = {
                .enable_reg = 0x1b010,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_audio_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .flags = CLK_SET_RATE_PARENT,
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_audio_pwm_clk = {
        .halt_reg = 0x1b00C,
        .clkr = {
                .enable_reg = 0x1b00C,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_audio_pwm_clk",
                        .parent_names = (const char *[]){
                                "audio_clk_src",
                        },
                        .flags = CLK_SET_RATE_PARENT,
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_i2c_apps_clk[] = {
        F(19050000, P_FEPLL200, 10.5, 1, 1),
        { }
};

static struct clk_rcg2 blsp1_qup1_i2c_apps_clk_src = {
        .cmd_rcgr = 0x200c,
        .hid_width = 5,
        .parent_map = gcc_xo_200_map,
        .freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "blsp1_qup1_i2c_apps_clk_src",
                .parent_names = gcc_xo_200,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_blsp1_qup1_i2c_apps_clk = {
        .halt_reg = 0x2008,
        .clkr = {
                .enable_reg = 0x2008,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_qup1_i2c_apps_clk",
                        .parent_names = (const char *[]){
                                "blsp1_qup1_i2c_apps_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_rcg2 blsp1_qup2_i2c_apps_clk_src = {
        .cmd_rcgr = 0x3000,
        .hid_width = 5,
        .parent_map = gcc_xo_200_map,
        .freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "blsp1_qup2_i2c_apps_clk_src",
                .parent_names = gcc_xo_200,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_blsp1_qup2_i2c_apps_clk = {
        .halt_reg = 0x3010,
        .clkr = {
                .enable_reg = 0x3010,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_qup2_i2c_apps_clk",
                        .parent_names = (const char *[]){
                                "blsp1_qup2_i2c_apps_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_spi_apps_clk[] = {
        F(960000, P_XO, 12, 1, 4),
        F(4800000, P_XO, 1, 1, 10),
        F(9600000, P_XO, 1, 1, 5),
        F(15000000, P_XO, 1, 1, 3),
        F(19200000, P_XO, 1, 2, 5),
        F(24000000, P_XO, 1, 1, 2),
        F(48000000, P_XO, 1, 0, 0),
        { }
};

static struct clk_rcg2 blsp1_qup1_spi_apps_clk_src = {
        .cmd_rcgr = 0x2024,
        .mnd_width = 8,
        .hid_width = 5,
        .parent_map = gcc_xo_200_spi_map,
        .freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "blsp1_qup1_spi_apps_clk_src",
                .parent_names = gcc_xo_200_spi,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_blsp1_qup1_spi_apps_clk = {
        .halt_reg = 0x2004,
        .clkr = {
                .enable_reg = 0x2004,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_qup1_spi_apps_clk",
                        .parent_names = (const char *[]){
                                "blsp1_qup1_spi_apps_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_rcg2 blsp1_qup2_spi_apps_clk_src = {
        .cmd_rcgr = 0x3014,
        .mnd_width = 8,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
        .parent_map = gcc_xo_200_spi_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "blsp1_qup2_spi_apps_clk_src",
                .parent_names = gcc_xo_200_spi,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_blsp1_qup2_spi_apps_clk = {
        .halt_reg = 0x300c,
        .clkr = {
                .enable_reg = 0x300c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_qup2_spi_apps_clk",
                        .parent_names = (const char *[]){
                                "blsp1_qup2_spi_apps_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static const struct freq_tbl ftbl_gcc_blsp1_uart1_2_apps_clk[] = {
        F(1843200, P_FEPLL200, 1, 144, 15625),
        F(3686400, P_FEPLL200, 1, 288, 15625),
        F(7372800, P_FEPLL200, 1, 576, 15625),
        F(14745600, P_FEPLL200, 1, 1152, 15625),
        F(16000000, P_FEPLL200, 1, 2, 25),
        F(24000000, P_XO, 1, 1, 2),
        F(32000000, P_FEPLL200, 1, 4, 25),
        F(40000000, P_FEPLL200, 1, 1, 5),
        F(46400000, P_FEPLL200, 1, 29, 125),
        F(48000000, P_XO, 1, 0, 0),
        { }
};

static struct clk_rcg2 blsp1_uart1_apps_clk_src = {
        .cmd_rcgr = 0x2044,
        .mnd_width = 16,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
        .parent_map = gcc_xo_200_spi_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "blsp1_uart1_apps_clk_src",
                .parent_names = gcc_xo_200_spi,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_blsp1_uart1_apps_clk = {
        .halt_reg = 0x203c,
        .clkr = {
                .enable_reg = 0x203c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_uart1_apps_clk",
                        .parent_names = (const char *[]){
                                "blsp1_uart1_apps_clk_src",
                        },
                        .flags = CLK_SET_RATE_PARENT,
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_rcg2 blsp1_uart2_apps_clk_src = {
        .cmd_rcgr = 0x3034,
        .mnd_width = 16,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
        .parent_map = gcc_xo_200_spi_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "blsp1_uart2_apps_clk_src",
                .parent_names = gcc_xo_200_spi,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_blsp1_uart2_apps_clk = {
        .halt_reg = 0x302c,
        .clkr = {
                .enable_reg = 0x302c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_uart2_apps_clk",
                        .parent_names = (const char *[]){
                                "blsp1_uart2_apps_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static const struct freq_tbl ftbl_gcc_gp_clk[] = {
        F(1250000,  P_FEPLL200, 1, 16, 0),
        F(2500000,  P_FEPLL200, 1,  8, 0),
        F(5000000,  P_FEPLL200, 1,  4, 0),
        { }
};

static struct clk_rcg2 gp1_clk_src = {
        .cmd_rcgr = 0x8004,
        .mnd_width = 8,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_gp_clk,
        .parent_map = gcc_xo_200_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "gp1_clk_src",
                .parent_names = gcc_xo_200,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_gp1_clk = {
        .halt_reg = 0x8000,
        .clkr = {
                .enable_reg = 0x8000,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_gp1_clk",
                        .parent_names = (const char *[]){
                                "gp1_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_rcg2 gp2_clk_src = {
        .cmd_rcgr = 0x9004,
        .mnd_width = 8,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_gp_clk,
        .parent_map = gcc_xo_200_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "gp2_clk_src",
                .parent_names = gcc_xo_200,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_gp2_clk = {
        .halt_reg = 0x9000,
        .clkr = {
                .enable_reg = 0x9000,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_gp2_clk",
                        .parent_names = (const char *[]){
                                "gp2_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_rcg2 gp3_clk_src = {
        .cmd_rcgr = 0xa004,
        .mnd_width = 8,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_gp_clk,
        .parent_map = gcc_xo_200_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "gp3_clk_src",
                .parent_names = gcc_xo_200,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_gp3_clk = {
        .halt_reg = 0xa000,
        .clkr = {
                .enable_reg = 0xa000,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_gp3_clk",
                        .parent_names = (const char *[]){
                                "gp3_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static const struct freq_tbl ftbl_gcc_sdcc1_apps_clk[] = {
        F(144000,    P_XO,                      1,  3, 240),
        F(400000,    P_XO,                      1,  1, 0),
        F(20000000,  P_FEPLL500,                1,  1, 25),
        F(25000000,  P_FEPLL500,                1,  1, 20),
        F(50000000,  P_FEPLL500,                1,  1, 10),
        F(100000000, P_FEPLL500,                1,  1, 5),
        F(192000000, P_DDRPLL,                  1,  0, 0),
        { }
};

static struct clk_rcg2  sdcc1_apps_clk_src = {
        .cmd_rcgr = 0x18004,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_sdcc1_apps_clk,
        .parent_map = gcc_xo_sdcc1_500_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "sdcc1_apps_clk_src",
                .parent_names = gcc_xo_sdcc1_500,
                .num_parents = 3,
                .ops = &clk_rcg2_ops,
                .flags = CLK_SET_RATE_PARENT,
        },
};

static const struct freq_tbl ftbl_gcc_apps_clk[] = {
        F(48000000,  P_XO,         1, 0, 0),
        F(200000000, P_FEPLL200,   1, 0, 0),
        F(384000000, P_DDRPLLAPSS, 1, 0, 0),
        F(413000000, P_DDRPLLAPSS, 1, 0, 0),
        F(448000000, P_DDRPLLAPSS, 1, 0, 0),
        F(488000000, P_DDRPLLAPSS, 1, 0, 0),
        F(500000000, P_FEPLL500,   1, 0, 0),
        F(512000000, P_DDRPLLAPSS, 1, 0, 0),
        F(537000000, P_DDRPLLAPSS, 1, 0, 0),
        F(565000000, P_DDRPLLAPSS, 1, 0, 0),
        F(597000000, P_DDRPLLAPSS, 1, 0, 0),
        F(632000000, P_DDRPLLAPSS, 1, 0, 0),
        F(672000000, P_DDRPLLAPSS, 1, 0, 0),
        F(716000000, P_DDRPLLAPSS, 1, 0, 0),
        { }
};

static struct clk_rcg2 apps_clk_src = {
        .cmd_rcgr = 0x1900c,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_apps_clk,
        .parent_map = gcc_xo_ddr_500_200_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "apps_clk_src",
                .parent_names = gcc_xo_ddr_500_200,
                .num_parents = 4,
                .ops = &clk_rcg2_ops,
                .flags = CLK_SET_RATE_PARENT,
        },
};

static const struct freq_tbl ftbl_gcc_apps_ahb_clk[] = {
        F(48000000, P_XO,          1, 0, 0),
        F(100000000, P_FEPLL200,   2, 0, 0),
        { }
};

static struct clk_rcg2 apps_ahb_clk_src = {
        .cmd_rcgr = 0x19014,
        .hid_width = 5,
        .parent_map = gcc_xo_200_500_map,
        .freq_tbl = ftbl_gcc_apps_ahb_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "apps_ahb_clk_src",
                .parent_names = gcc_xo_200_500,
                .num_parents = 3,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_apss_ahb_clk = {
        .halt_reg = 0x19004,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(14),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_apss_ahb_clk",
                        .parent_names = (const char *[]){
                                "apps_ahb_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_blsp1_ahb_clk = {
        .halt_reg = 0x1008,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(10),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_blsp1_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_dcd_xo_clk = {
        .halt_reg = 0x2103c,
        .clkr = {
                .enable_reg = 0x2103c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_dcd_xo_clk",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_boot_rom_ahb_clk = {
        .halt_reg = 0x1300c,
        .clkr = {
                .enable_reg = 0x1300c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_boot_rom_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_crypto_ahb_clk = {
        .halt_reg = 0x16024,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_crypto_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_crypto_axi_clk = {
        .halt_reg = 0x16020,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(1),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_crypto_axi_clk",
                        .parent_names = (const char *[]){
                                "fepll125",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_crypto_clk = {
        .halt_reg = 0x1601c,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(2),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_crypto_clk",
                        .parent_names = (const char *[]){
                                "fepll125",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_ess_clk = {
        .halt_reg = 0x12010,
        .clkr = {
                .enable_reg = 0x12010,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_ess_clk",
                        .parent_names = (const char *[]){
                                "fephy_125m_dly_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_imem_axi_clk = {
        .halt_reg = 0xe004,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(17),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_imem_axi_clk",
                        .parent_names = (const char *[]){
                                "fepll200",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_imem_cfg_ahb_clk = {
        .halt_reg = 0xe008,
        .clkr = {
                .enable_reg = 0xe008,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_imem_cfg_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_pcie_ahb_clk = {
        .halt_reg = 0x1d00c,
        .clkr = {
                .enable_reg = 0x1d00c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_pcie_axi_m_clk = {
        .halt_reg = 0x1d004,
        .clkr = {
                .enable_reg = 0x1d004,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_axi_m_clk",
                        .parent_names = (const char *[]){
                                "fepll200",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_pcie_axi_s_clk = {
        .halt_reg = 0x1d008,
        .clkr = {
                .enable_reg = 0x1d008,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_pcie_axi_s_clk",
                        .parent_names = (const char *[]){
                                "fepll200",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_prng_ahb_clk = {
        .halt_reg = 0x13004,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(8),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_prng_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_qpic_ahb_clk = {
        .halt_reg = 0x1c008,
        .clkr = {
                .enable_reg = 0x1c008,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_qpic_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_qpic_clk = {
        .halt_reg = 0x1c004,
        .clkr = {
                .enable_reg = 0x1c004,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_qpic_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_sdcc1_ahb_clk = {
        .halt_reg = 0x18010,
        .clkr = {
                .enable_reg = 0x18010,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_sdcc1_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_sdcc1_apps_clk = {
        .halt_reg = 0x1800c,
        .clkr = {
                .enable_reg = 0x1800c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_sdcc1_apps_clk",
                        .parent_names = (const char *[]){
                                "sdcc1_apps_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_tlmm_ahb_clk = {
        .halt_reg = 0x5004,
        .halt_check = BRANCH_HALT_VOTED,
        .clkr = {
                .enable_reg = 0x6000,
                .enable_mask = BIT(5),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_tlmm_ahb_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_usb2_master_clk = {
        .halt_reg = 0x1e00c,
        .clkr = {
                .enable_reg = 0x1e00c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_usb2_master_clk",
                        .parent_names = (const char *[]){
                                "pcnoc_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_usb2_sleep_clk = {
        .halt_reg = 0x1e010,
        .clkr = {
                .enable_reg = 0x1e010,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_usb2_sleep_clk",
                        .parent_names = (const char *[]){
                                "gcc_sleep_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_usb2_mock_utmi_clk = {
        .halt_reg = 0x1e014,
        .clkr = {
                .enable_reg = 0x1e014,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_usb2_mock_utmi_clk",
                        .parent_names = (const char *[]){
                                "usb30_mock_utmi_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static const struct freq_tbl ftbl_gcc_usb30_mock_utmi_clk[] = {
        F(2000000, P_FEPLL200, 10, 0, 0),
        { }
};

static struct clk_rcg2 usb30_mock_utmi_clk_src = {
        .cmd_rcgr = 0x1e000,
        .hid_width = 5,

        .parent_map = gcc_xo_200_map,
        .freq_tbl = ftbl_gcc_usb30_mock_utmi_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "usb30_mock_utmi_clk_src",
                .parent_names = gcc_xo_200,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_usb3_master_clk = {
        .halt_reg = 0x1e028,
        .clkr = {
                .enable_reg = 0x1e028,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_usb3_master_clk",
                        .parent_names = (const char *[]){
                                "fepll125",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_usb3_sleep_clk = {
        .halt_reg = 0x1e02C,
        .clkr = {
                .enable_reg = 0x1e02C,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_usb3_sleep_clk",
                        .parent_names = (const char *[]){
                                "gcc_sleep_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static struct clk_branch gcc_usb3_mock_utmi_clk = {
        .halt_reg = 0x1e030,
        .clkr = {
                .enable_reg = 0x1e030,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_usb3_mock_utmi_clk",
                        .parent_names = (const char *[]){
                                "usb30_mock_utmi_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static const struct freq_tbl ftbl_gcc_fephy_dly_clk[] = {
        F(125000000, P_FEPLL125DLY, 1, 0, 0),
        { }
};

static struct clk_rcg2 fephy_125m_dly_clk_src = {
        .cmd_rcgr = 0x12000,
        .hid_width = 5,
        .parent_map = gcc_xo_125_dly_map,
        .freq_tbl = ftbl_gcc_fephy_dly_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "fephy_125m_dly_clk_src",
                .parent_names = gcc_xo_125_dly,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};


static const struct freq_tbl ftbl_gcc_wcss2g_clk[] = {
        F(48000000, P_XO, 1, 0, 0),
        F(250000000, P_FEPLLWCSS2G, 1, 0, 0),
        { }
};

static struct clk_rcg2 wcss2g_clk_src = {
        .cmd_rcgr = 0x1f000,
        .hid_width = 5,
        .freq_tbl = ftbl_gcc_wcss2g_clk,
        .parent_map = gcc_xo_wcss2g_map,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "wcss2g_clk_src",
                .parent_names = gcc_xo_wcss2g,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
                .flags = CLK_SET_RATE_PARENT,
        },
};

static struct clk_branch gcc_wcss2g_clk = {
        .halt_reg = 0x1f00C,
        .clkr = {
                .enable_reg = 0x1f00C,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_wcss2g_clk",
                        .parent_names = (const char *[]){
                                "wcss2g_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_wcss2g_ref_clk = {
        .halt_reg = 0x1f00C,
        .clkr = {
                .enable_reg = 0x1f00C,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_wcss2g_ref_clk",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_wcss2g_rtc_clk = {
        .halt_reg = 0x1f010,
        .clkr = {
                .enable_reg = 0x1f010,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_wcss2g_rtc_clk",
                        .parent_names = (const char *[]){
                                "gcc_sleep_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                },
        },
};

static const struct freq_tbl ftbl_gcc_wcss5g_clk[] = {
        F(48000000, P_XO, 1, 0, 0),
        F(250000000, P_FEPLLWCSS5G, 1, 0, 0),
        { }
};

static struct clk_rcg2 wcss5g_clk_src = {
        .cmd_rcgr = 0x20000,
        .hid_width = 5,
        .parent_map = gcc_xo_wcss5g_map,
        .freq_tbl = ftbl_gcc_wcss5g_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "wcss5g_clk_src",
                .parent_names = gcc_xo_wcss5g,
                .num_parents = 2,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch gcc_wcss5g_clk = {
        .halt_reg = 0x2000c,
        .clkr = {
                .enable_reg = 0x2000c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_wcss5g_clk",
                        .parent_names = (const char *[]){
                                "wcss5g_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_wcss5g_ref_clk = {
        .halt_reg = 0x2000c,
        .clkr = {
                .enable_reg = 0x2000c,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_wcss5g_ref_clk",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

static struct clk_branch gcc_wcss5g_rtc_clk = {
        .halt_reg = 0x20010,
        .clkr = {
                .enable_reg = 0x20010,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "gcc_wcss5g_rtc_clk",
                        .parent_names = (const char *[]){
                                "gcc_sleep_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT,
                },
        },
};

/* Calculates the VCO rate for FEPLL. */
static u64 clk_fepll_vco_calc_rate(struct clk_fepll *pll_div,
                                   unsigned long parent_rate)
{
        const struct clk_fepll_vco *pll_vco = pll_div->pll_vco;
        u32 fdbkdiv, refclkdiv, cdiv;
        u64 vco;

        regmap_read(pll_div->cdiv.clkr.regmap, pll_vco->reg, &cdiv);
        refclkdiv = (cdiv >> pll_vco->refclkdiv_shift) &
                    (BIT(pll_vco->refclkdiv_width) - 1);
        fdbkdiv = (cdiv >> pll_vco->fdbkdiv_shift) &
                  (BIT(pll_vco->fdbkdiv_width) - 1);

        vco = parent_rate / refclkdiv;
        vco *= 2;
        vco *= fdbkdiv;

        return vco;
}

static const struct clk_fepll_vco gcc_apss_ddrpll_vco = {
        .fdbkdiv_shift = 16,
        .fdbkdiv_width = 8,
        .refclkdiv_shift = 24,
        .refclkdiv_width = 5,
        .reg = 0x2e020,
};

static const struct clk_fepll_vco gcc_fepll_vco = {
        .fdbkdiv_shift = 16,
        .fdbkdiv_width = 8,
        .refclkdiv_shift = 24,
        .refclkdiv_width = 5,
        .reg = 0x2f020,
};

/*
 * Round rate function for APSS CPU PLL Clock divider.
 * It looks up the frequency table and returns the next higher frequency
 * supported in hardware.
 */
static long clk_cpu_div_round_rate(struct clk_hw *hw, unsigned long rate,
                                   unsigned long *p_rate)
{
        struct clk_fepll *pll = to_clk_fepll(hw);
        struct clk_hw *p_hw;
        const struct freq_tbl *f;

        f = qcom_find_freq(pll->freq_tbl, rate);
        if (!f)
                return -EINVAL;

        p_hw = clk_hw_get_parent_by_index(hw, f->src);
        *p_rate = clk_hw_get_rate(p_hw);

        return f->freq;
};

/*
 * Clock set rate function for APSS CPU PLL Clock divider.
 * It looks up the frequency table and updates the PLL divider to corresponding
 * divider value.
 */
static int clk_cpu_div_set_rate(struct clk_hw *hw, unsigned long rate,
                                unsigned long parent_rate)
{
        struct clk_fepll *pll = to_clk_fepll(hw);
        const struct freq_tbl *f;
        u32 mask;
        int ret;

        f = qcom_find_freq(pll->freq_tbl, rate);
        if (!f)
                return -EINVAL;

        mask = (BIT(pll->cdiv.width) - 1) << pll->cdiv.shift;
        ret = regmap_update_bits(pll->cdiv.clkr.regmap,
                                 pll->cdiv.reg, mask,
                                 f->pre_div << pll->cdiv.shift);
        /*
         * There is no status bit which can be checked for successful CPU
         * divider update operation so using delay for the same.
         */
        udelay(1);

        return 0;
};

/*
 * Clock frequency calculation function for APSS CPU PLL Clock divider.
 * This clock divider is nonlinear so this function calculates the actual
 * divider and returns the output frequency by dividing VCO Frequency
 * with this actual divider value.
 */
static unsigned long
clk_cpu_div_recalc_rate(struct clk_hw *hw,
                        unsigned long parent_rate)
{
        struct clk_fepll *pll = to_clk_fepll(hw);
        u32 cdiv, pre_div;
        u64 rate;

        regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv);
        cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1);

        /*
         * Some dividers have value in 0.5 fraction so multiply both VCO
         * frequency(parent_rate) and pre_div with 2 to make integer
         * calculation.
         */
        if (cdiv > 10)
                pre_div = (cdiv + 1) * 2;
        else
                pre_div = cdiv + 12;

        rate = clk_fepll_vco_calc_rate(pll, parent_rate) * 2;
        do_div(rate, pre_div);

        return rate;
};

static const struct clk_ops clk_regmap_cpu_div_ops = {
        .round_rate = clk_cpu_div_round_rate,
        .set_rate = clk_cpu_div_set_rate,
        .recalc_rate = clk_cpu_div_recalc_rate,
};

static const struct freq_tbl ftbl_apss_ddr_pll[] = {
        { 384000000, P_XO, 0xd, 0, 0 },
        { 413000000, P_XO, 0xc, 0, 0 },
        { 448000000, P_XO, 0xb, 0, 0 },
        { 488000000, P_XO, 0xa, 0, 0 },
        { 512000000, P_XO, 0x9, 0, 0 },
        { 537000000, P_XO, 0x8, 0, 0 },
        { 565000000, P_XO, 0x7, 0, 0 },
        { 597000000, P_XO, 0x6, 0, 0 },
        { 632000000, P_XO, 0x5, 0, 0 },
        { 672000000, P_XO, 0x4, 0, 0 },
        { 716000000, P_XO, 0x3, 0, 0 },
        { 768000000, P_XO, 0x2, 0, 0 },
        { 823000000, P_XO, 0x1, 0, 0 },
        { 896000000, P_XO, 0x0, 0, 0 },
        { }
};

static struct clk_fepll gcc_apss_cpu_plldiv_clk = {
        .cdiv.reg = 0x2e020,
        .cdiv.shift = 4,
        .cdiv.width = 4,
        .cdiv.clkr = {
                .enable_reg = 0x2e000,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "ddrpllapss",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_regmap_cpu_div_ops,
                },
        },
        .freq_tbl = ftbl_apss_ddr_pll,
        .pll_vco = &gcc_apss_ddrpll_vco,
};

/* Calculates the rate for PLL divider.
 * If the divider value is not fixed then it gets the actual divider value
 * from divider table. Then, it calculate the clock rate by dividing the
 * parent rate with actual divider value.
 */
static unsigned long
clk_regmap_clk_div_recalc_rate(struct clk_hw *hw,
                               unsigned long parent_rate)
{
        struct clk_fepll *pll = to_clk_fepll(hw);
        u32 cdiv, pre_div = 1;
        u64 rate;
        const struct clk_div_table *clkt;

        if (pll->fixed_div) {
                pre_div = pll->fixed_div;
        } else {
                regmap_read(pll->cdiv.clkr.regmap, pll->cdiv.reg, &cdiv);
                cdiv = (cdiv >> pll->cdiv.shift) & (BIT(pll->cdiv.width) - 1);

                for (clkt = pll->div_table; clkt->div; clkt++) {
                        if (clkt->val == cdiv)
                                pre_div = clkt->div;
                }
        }

        rate = clk_fepll_vco_calc_rate(pll, parent_rate);
        do_div(rate, pre_div);

        return rate;
};

static const struct clk_ops clk_fepll_div_ops = {
        .recalc_rate = clk_regmap_clk_div_recalc_rate,
};

static struct clk_fepll gcc_apss_sdcc_clk = {
        .fixed_div = 28,
        .cdiv.clkr = {
                .hw.init = &(struct clk_init_data){
                        .name = "ddrpllsdcc",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_fepll_div_ops,
                },
        },
        .pll_vco = &gcc_apss_ddrpll_vco,
};

static struct clk_fepll gcc_fepll125_clk = {
        .fixed_div = 32,
        .cdiv.clkr = {
                .hw.init = &(struct clk_init_data){
                        .name = "fepll125",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_fepll_div_ops,
                },
        },
        .pll_vco = &gcc_fepll_vco,
};

static struct clk_fepll gcc_fepll125dly_clk = {
        .fixed_div = 32,
        .cdiv.clkr = {
                .hw.init = &(struct clk_init_data){
                        .name = "fepll125dly",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_fepll_div_ops,
                },
        },
        .pll_vco = &gcc_fepll_vco,
};

static struct clk_fepll gcc_fepll200_clk = {
        .fixed_div = 20,
        .cdiv.clkr = {
                .hw.init = &(struct clk_init_data){
                        .name = "fepll200",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_fepll_div_ops,
                },
        },
        .pll_vco = &gcc_fepll_vco,
};

static struct clk_fepll gcc_fepll500_clk = {
        .fixed_div = 8,
        .cdiv.clkr = {
                .hw.init = &(struct clk_init_data){
                        .name = "fepll500",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_fepll_div_ops,
                },
        },
        .pll_vco = &gcc_fepll_vco,
};

static const struct clk_div_table fepllwcss_clk_div_table[] = {
        { 0, 15 },
        { 1, 16 },
        { 2, 18 },
        { 3, 20 },
        { },
};

static struct clk_fepll gcc_fepllwcss2g_clk = {
        .cdiv.reg = 0x2f020,
        .cdiv.shift = 8,
        .cdiv.width = 2,
        .cdiv.clkr = {
                .hw.init = &(struct clk_init_data){
                        .name = "fepllwcss2g",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_fepll_div_ops,
                },
        },
        .div_table = fepllwcss_clk_div_table,
        .pll_vco = &gcc_fepll_vco,
};

static struct clk_fepll gcc_fepllwcss5g_clk = {
        .cdiv.reg = 0x2f020,
        .cdiv.shift = 12,
        .cdiv.width = 2,
        .cdiv.clkr = {
                .hw.init = &(struct clk_init_data){
                        .name = "fepllwcss5g",
                        .parent_names = (const char *[]){
                                "xo",
                        },
                        .num_parents = 1,
                        .ops = &clk_fepll_div_ops,
                },
        },
        .div_table = fepllwcss_clk_div_table,
        .pll_vco = &gcc_fepll_vco,
};

static const struct freq_tbl ftbl_gcc_pcnoc_ahb_clk[] = {
        F(48000000,  P_XO,       1, 0, 0),
        F(100000000, P_FEPLL200, 2, 0, 0),
        { }
};

static struct clk_rcg2 gcc_pcnoc_ahb_clk_src = {
        .cmd_rcgr = 0x21024,
        .hid_width = 5,
        .parent_map = gcc_xo_200_500_map,
        .freq_tbl = ftbl_gcc_pcnoc_ahb_clk,
        .clkr.hw.init = &(struct clk_init_data){
                .name = "gcc_pcnoc_ahb_clk_src",
                .parent_names = gcc_xo_200_500,
                .num_parents = 3,
                .ops = &clk_rcg2_ops,
        },
};

static struct clk_branch pcnoc_clk_src = {
        .halt_reg = 0x21030,
        .clkr = {
                .enable_reg = 0x21030,
                .enable_mask = BIT(0),
                .hw.init = &(struct clk_init_data){
                        .name = "pcnoc_clk_src",
                        .parent_names = (const char *[]){
                                "gcc_pcnoc_ahb_clk_src",
                        },
                        .num_parents = 1,
                        .ops = &clk_branch2_ops,
                        .flags = CLK_SET_RATE_PARENT |
                                CLK_IS_CRITICAL,
                },
        },
};

static struct clk_regmap *gcc_ipq4019_clocks[] = {
        [AUDIO_CLK_SRC] = &audio_clk_src.clkr,
        [BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr,
        [BLSP1_QUP1_SPI_APPS_CLK_SRC] = &blsp1_qup1_spi_apps_clk_src.clkr,
        [BLSP1_QUP2_I2C_APPS_CLK_SRC] = &blsp1_qup2_i2c_apps_clk_src.clkr,
        [BLSP1_QUP2_SPI_APPS_CLK_SRC] = &blsp1_qup2_spi_apps_clk_src.clkr,
        [BLSP1_UART1_APPS_CLK_SRC] = &blsp1_uart1_apps_clk_src.clkr,
        [BLSP1_UART2_APPS_CLK_SRC] = &blsp1_uart2_apps_clk_src.clkr,
        [GCC_USB3_MOCK_UTMI_CLK_SRC] = &usb30_mock_utmi_clk_src.clkr,
        [GCC_APPS_CLK_SRC] = &apps_clk_src.clkr,
        [GCC_APPS_AHB_CLK_SRC] = &apps_ahb_clk_src.clkr,
        [GP1_CLK_SRC] = &gp1_clk_src.clkr,
        [GP2_CLK_SRC] = &gp2_clk_src.clkr,
        [GP3_CLK_SRC] = &gp3_clk_src.clkr,
        [SDCC1_APPS_CLK_SRC] = &sdcc1_apps_clk_src.clkr,
        [FEPHY_125M_DLY_CLK_SRC] = &fephy_125m_dly_clk_src.clkr,
        [WCSS2G_CLK_SRC] = &wcss2g_clk_src.clkr,
        [WCSS5G_CLK_SRC] = &wcss5g_clk_src.clkr,
        [GCC_APSS_AHB_CLK] = &gcc_apss_ahb_clk.clkr,
        [GCC_AUDIO_AHB_CLK] = &gcc_audio_ahb_clk.clkr,
        [GCC_AUDIO_PWM_CLK] = &gcc_audio_pwm_clk.clkr,
        [GCC_BLSP1_AHB_CLK] = &gcc_blsp1_ahb_clk.clkr,
        [GCC_BLSP1_QUP1_I2C_APPS_CLK] = &gcc_blsp1_qup1_i2c_apps_clk.clkr,
        [GCC_BLSP1_QUP1_SPI_APPS_CLK] = &gcc_blsp1_qup1_spi_apps_clk.clkr,
        [GCC_BLSP1_QUP2_I2C_APPS_CLK] = &gcc_blsp1_qup2_i2c_apps_clk.clkr,
        [GCC_BLSP1_QUP2_SPI_APPS_CLK] = &gcc_blsp1_qup2_spi_apps_clk.clkr,
        [GCC_BLSP1_UART1_APPS_CLK] = &gcc_blsp1_uart1_apps_clk.clkr,
        [GCC_BLSP1_UART2_APPS_CLK] = &gcc_blsp1_uart2_apps_clk.clkr,
        [GCC_DCD_XO_CLK] = &gcc_dcd_xo_clk.clkr,
        [GCC_GP1_CLK] = &gcc_gp1_clk.clkr,
        [GCC_GP2_CLK] = &gcc_gp2_clk.clkr,
        [GCC_GP3_CLK] = &gcc_gp3_clk.clkr,
        [GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr,
        [GCC_CRYPTO_AHB_CLK] = &gcc_crypto_ahb_clk.clkr,
        [GCC_CRYPTO_AXI_CLK] = &gcc_crypto_axi_clk.clkr,
        [GCC_CRYPTO_CLK] = &gcc_crypto_clk.clkr,
        [GCC_ESS_CLK] = &gcc_ess_clk.clkr,
        [GCC_IMEM_AXI_CLK] = &gcc_imem_axi_clk.clkr,
        [GCC_IMEM_CFG_AHB_CLK] = &gcc_imem_cfg_ahb_clk.clkr,
        [GCC_PCIE_AHB_CLK] = &gcc_pcie_ahb_clk.clkr,
        [GCC_PCIE_AXI_M_CLK] = &gcc_pcie_axi_m_clk.clkr,
        [GCC_PCIE_AXI_S_CLK] = &gcc_pcie_axi_s_clk.clkr,
        [GCC_PRNG_AHB_CLK] = &gcc_prng_ahb_clk.clkr,
        [GCC_QPIC_AHB_CLK] = &gcc_qpic_ahb_clk.clkr,
        [GCC_QPIC_CLK] = &gcc_qpic_clk.clkr,
        [GCC_SDCC1_AHB_CLK] = &gcc_sdcc1_ahb_clk.clkr,
        [GCC_SDCC1_APPS_CLK] = &gcc_sdcc1_apps_clk.clkr,
        [GCC_TLMM_AHB_CLK] = &gcc_tlmm_ahb_clk.clkr,
        [GCC_USB2_MASTER_CLK] = &gcc_usb2_master_clk.clkr,
        [GCC_USB2_SLEEP_CLK] = &gcc_usb2_sleep_clk.clkr,
        [GCC_USB2_MOCK_UTMI_CLK] = &gcc_usb2_mock_utmi_clk.clkr,
        [GCC_USB3_MASTER_CLK] = &gcc_usb3_master_clk.clkr,
        [GCC_USB3_SLEEP_CLK] = &gcc_usb3_sleep_clk.clkr,
        [GCC_USB3_MOCK_UTMI_CLK] = &gcc_usb3_mock_utmi_clk.clkr,
        [GCC_WCSS2G_CLK] = &gcc_wcss2g_clk.clkr,
        [GCC_WCSS2G_REF_CLK] = &gcc_wcss2g_ref_clk.clkr,
        [GCC_WCSS2G_RTC_CLK] = &gcc_wcss2g_rtc_clk.clkr,
        [GCC_WCSS5G_CLK] = &gcc_wcss5g_clk.clkr,
        [GCC_WCSS5G_REF_CLK] = &gcc_wcss5g_ref_clk.clkr,
        [GCC_WCSS5G_RTC_CLK] = &gcc_wcss5g_rtc_clk.clkr,
        [GCC_SDCC_PLLDIV_CLK] = &gcc_apss_sdcc_clk.cdiv.clkr,
        [GCC_FEPLL125_CLK] = &gcc_fepll125_clk.cdiv.clkr,
        [GCC_FEPLL125DLY_CLK] = &gcc_fepll125dly_clk.cdiv.clkr,
        [GCC_FEPLL200_CLK] = &gcc_fepll200_clk.cdiv.clkr,
        [GCC_FEPLL500_CLK] = &gcc_fepll500_clk.cdiv.clkr,
        [GCC_FEPLL_WCSS2G_CLK] = &gcc_fepllwcss2g_clk.cdiv.clkr,
        [GCC_FEPLL_WCSS5G_CLK] = &gcc_fepllwcss5g_clk.cdiv.clkr,
        [GCC_APSS_CPU_PLLDIV_CLK] = &gcc_apss_cpu_plldiv_clk.cdiv.clkr,
        [GCC_PCNOC_AHB_CLK_SRC] = &gcc_pcnoc_ahb_clk_src.clkr,
        [GCC_PCNOC_AHB_CLK] = &pcnoc_clk_src.clkr,
};

static const struct qcom_reset_map gcc_ipq4019_resets[] = {
        [WIFI0_CPU_INIT_RESET] = { 0x1f008, 5 },
        [WIFI0_RADIO_SRIF_RESET] = { 0x1f008, 4 },
        [WIFI0_RADIO_WARM_RESET] = { 0x1f008, 3 },
        [WIFI0_RADIO_COLD_RESET] = { 0x1f008, 2 },
        [WIFI0_CORE_WARM_RESET] = { 0x1f008, 1 },
        [WIFI0_CORE_COLD_RESET] = { 0x1f008, 0 },
        [WIFI1_CPU_INIT_RESET] = { 0x20008, 5 },
        [WIFI1_RADIO_SRIF_RESET] = { 0x20008, 4 },
        [WIFI1_RADIO_WARM_RESET] = { 0x20008, 3 },
        [WIFI1_RADIO_COLD_RESET] = { 0x20008, 2 },
        [WIFI1_CORE_WARM_RESET] = { 0x20008, 1 },
        [WIFI1_CORE_COLD_RESET] = { 0x20008, 0 },
        [USB3_UNIPHY_PHY_ARES] = { 0x1e038, 5 },
        [USB3_HSPHY_POR_ARES] = { 0x1e038, 4 },
        [USB3_HSPHY_S_ARES] = { 0x1e038, 2 },
        [USB2_HSPHY_POR_ARES] = { 0x1e01c, 4 },
        [USB2_HSPHY_S_ARES] = { 0x1e01c, 2 },
        [PCIE_PHY_AHB_ARES] = { 0x1d010, 11 },
        [PCIE_AHB_ARES] = { 0x1d010, 10 },
        [PCIE_PWR_ARES] = { 0x1d010, 9 },
        [PCIE_PIPE_STICKY_ARES] = { 0x1d010, 8 },
        [PCIE_AXI_M_STICKY_ARES] = { 0x1d010, 7 },
        [PCIE_PHY_ARES] = { 0x1d010, 6 },
        [PCIE_PARF_XPU_ARES] = { 0x1d010, 5 },
        [PCIE_AXI_S_XPU_ARES] = { 0x1d010, 4 },
        [PCIE_AXI_M_VMIDMT_ARES] = { 0x1d010, 3 },
        [PCIE_PIPE_ARES] = { 0x1d010, 2 },
        [PCIE_AXI_S_ARES] = { 0x1d010, 1 },
        [PCIE_AXI_M_ARES] = { 0x1d010, 0 },
        [ESS_RESET] = { 0x12008, 0},
        [GCC_BLSP1_BCR] = {0x01000, 0},
        [GCC_BLSP1_QUP1_BCR] = {0x02000, 0},
        [GCC_BLSP1_UART1_BCR] = {0x02038, 0},
        [GCC_BLSP1_QUP2_BCR] = {0x03008, 0},
        [GCC_BLSP1_UART2_BCR] = {0x03028, 0},
        [GCC_BIMC_BCR] = {0x04000, 0},
        [GCC_TLMM_BCR] = {0x05000, 0},
        [GCC_IMEM_BCR] = {0x0E000, 0},
        [GCC_ESS_BCR] = {0x12008, 0},
        [GCC_PRNG_BCR] = {0x13000, 0},
        [GCC_BOOT_ROM_BCR] = {0x13008, 0},
        [GCC_CRYPTO_BCR] = {0x16000, 0},
        [GCC_SDCC1_BCR] = {0x18000, 0},
        [GCC_SEC_CTRL_BCR] = {0x1A000, 0},
        [GCC_AUDIO_BCR] = {0x1B008, 0},
        [GCC_QPIC_BCR] = {0x1C000, 0},
        [GCC_PCIE_BCR] = {0x1D000, 0},
        [GCC_USB2_BCR] = {0x1E008, 0},
        [GCC_USB2_PHY_BCR] = {0x1E018, 0},
        [GCC_USB3_BCR] = {0x1E024, 0},
        [GCC_USB3_PHY_BCR] = {0x1E034, 0},
        [GCC_SYSTEM_NOC_BCR] = {0x21000, 0},
        [GCC_PCNOC_BCR] = {0x2102C, 0},
        [GCC_DCD_BCR] = {0x21038, 0},
        [GCC_SNOC_BUS_TIMEOUT0_BCR] = {0x21064, 0},
        [GCC_SNOC_BUS_TIMEOUT1_BCR] = {0x2106C, 0},
        [GCC_SNOC_BUS_TIMEOUT2_BCR] = {0x21074, 0},
        [GCC_SNOC_BUS_TIMEOUT3_BCR] = {0x2107C, 0},
        [GCC_PCNOC_BUS_TIMEOUT0_BCR] = {0x21084, 0},
        [GCC_PCNOC_BUS_TIMEOUT1_BCR] = {0x2108C, 0},
        [GCC_PCNOC_BUS_TIMEOUT2_BCR] = {0x21094, 0},
        [GCC_PCNOC_BUS_TIMEOUT3_BCR] = {0x2109C, 0},
        [GCC_PCNOC_BUS_TIMEOUT4_BCR] = {0x210A4, 0},
        [GCC_PCNOC_BUS_TIMEOUT5_BCR] = {0x210AC, 0},
        [GCC_PCNOC_BUS_TIMEOUT6_BCR] = {0x210B4, 0},
        [GCC_PCNOC_BUS_TIMEOUT7_BCR] = {0x210BC, 0},
        [GCC_PCNOC_BUS_TIMEOUT8_BCR] = {0x210C4, 0},
        [GCC_PCNOC_BUS_TIMEOUT9_BCR] = {0x210CC, 0},
        [GCC_TCSR_BCR] = {0x22000, 0},
        [GCC_MPM_BCR] = {0x24000, 0},
        [GCC_SPDM_BCR] = {0x25000, 0},
};

static const struct regmap_config gcc_ipq4019_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = 0x2ffff,
        .fast_io        = true,
};

static const struct qcom_cc_desc gcc_ipq4019_desc = {
        .config = &gcc_ipq4019_regmap_config,
        .clks = gcc_ipq4019_clocks,
        .num_clks = ARRAY_SIZE(gcc_ipq4019_clocks),
        .resets = gcc_ipq4019_resets,
        .num_resets = ARRAY_SIZE(gcc_ipq4019_resets),
};

static const struct of_device_id gcc_ipq4019_match_table[] = {
        { .compatible = "qcom,gcc-ipq4019" },
        { }
};
MODULE_DEVICE_TABLE(of, gcc_ipq4019_match_table);

static int
gcc_ipq4019_cpu_clk_notifier_fn(struct notifier_block *nb,
                                unsigned long action, void *data)
{
        int err = 0;

        if (action == PRE_RATE_CHANGE)
                err = clk_rcg2_ops.set_parent(&apps_clk_src.clkr.hw,
                                              gcc_ipq4019_cpu_safe_parent);

        return notifier_from_errno(err);
}

static struct notifier_block gcc_ipq4019_cpu_clk_notifier = {
        .notifier_call = gcc_ipq4019_cpu_clk_notifier_fn,
};

static int gcc_ipq4019_probe(struct platform_device *pdev)
{
        int err;

        err = qcom_cc_probe(pdev, &gcc_ipq4019_desc);
        if (err)
                return err;

        return clk_notifier_register(apps_clk_src.clkr.hw.clk,
                                     &gcc_ipq4019_cpu_clk_notifier);
}

static int gcc_ipq4019_remove(struct platform_device *pdev)
{
        return clk_notifier_unregister(apps_clk_src.clkr.hw.clk,
                                       &gcc_ipq4019_cpu_clk_notifier);
}

static struct platform_driver gcc_ipq4019_driver = {
        .probe          = gcc_ipq4019_probe,
        .remove         = gcc_ipq4019_remove,
        .driver         = {
                .name   = "qcom,gcc-ipq4019",
                .of_match_table = gcc_ipq4019_match_table,
        },
};

static int __init gcc_ipq4019_init(void)
{
        return platform_driver_register(&gcc_ipq4019_driver);
}
core_initcall(gcc_ipq4019_init);

static void __exit gcc_ipq4019_exit(void)
{
        platform_driver_unregister(&gcc_ipq4019_driver);
}
module_exit(gcc_ipq4019_exit);

MODULE_ALIAS("platform:gcc-ipq4019");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("QCOM GCC IPQ4019 driver");