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linux/drivers/clk/qcom/dispcc-sdm845.c
Taniya Das c1079b4ec1 clk: qcom: dispcc: Add support for display port clocks 
SDM845 dispcc supports RCG and CBCRs for display port, so add support for
the same.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lkml.kernel.org/r/20190731182713.8123-3-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-12-18 21:24:13 -08:00

898 lines
23 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*/
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/reset-controller.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_CORE_BI_PLL_TEST_SE,
P_DISP_CC_PLL0_OUT_MAIN,
P_DSI0_PHY_PLL_OUT_BYTECLK,
P_DSI0_PHY_PLL_OUT_DSICLK,
P_DSI1_PHY_PLL_OUT_BYTECLK,
P_DSI1_PHY_PLL_OUT_DSICLK,
P_GPLL0_OUT_MAIN,
P_GPLL0_OUT_MAIN_DIV,
P_DP_PHY_PLL_LINK_CLK,
P_DP_PHY_PLL_VCO_DIV_CLK,
};
static const struct parent_map disp_cc_parent_map_0[] = {
{ P_BI_TCXO, 0 },
{ P_DSI0_PHY_PLL_OUT_BYTECLK, 1 },
{ P_DSI1_PHY_PLL_OUT_BYTECLK, 2 },
{ P_CORE_BI_PLL_TEST_SE, 7 },
};
static const char * const disp_cc_parent_names_0[] = {
"bi_tcxo",
"dsi0_phy_pll_out_byteclk",
"dsi1_phy_pll_out_byteclk",
"core_bi_pll_test_se",
};
static const struct parent_map disp_cc_parent_map_1[] = {
{ P_BI_TCXO, 0 },
{ P_DP_PHY_PLL_LINK_CLK, 1 },
{ P_DP_PHY_PLL_VCO_DIV_CLK, 2 },
{ P_CORE_BI_PLL_TEST_SE, 7 },
};
static const char * const disp_cc_parent_names_1[] = {
"bi_tcxo",
"dp_link_clk_divsel_ten",
"dp_vco_divided_clk_src_mux",
"core_bi_pll_test_se",
};
static const struct parent_map disp_cc_parent_map_2[] = {
{ P_BI_TCXO, 0 },
{ P_CORE_BI_PLL_TEST_SE, 7 },
};
static const char * const disp_cc_parent_names_2[] = {
"bi_tcxo",
"core_bi_pll_test_se",
};
static const struct parent_map disp_cc_parent_map_3[] = {
{ P_BI_TCXO, 0 },
{ P_DISP_CC_PLL0_OUT_MAIN, 1 },
{ P_GPLL0_OUT_MAIN, 4 },
{ P_GPLL0_OUT_MAIN_DIV, 5 },
{ P_CORE_BI_PLL_TEST_SE, 7 },
};
static const char * const disp_cc_parent_names_3[] = {
"bi_tcxo",
"disp_cc_pll0",
"gcc_disp_gpll0_clk_src",
"gcc_disp_gpll0_div_clk_src",
"core_bi_pll_test_se",
};
static const struct parent_map disp_cc_parent_map_4[] = {
{ P_BI_TCXO, 0 },
{ P_DSI0_PHY_PLL_OUT_DSICLK, 1 },
{ P_DSI1_PHY_PLL_OUT_DSICLK, 2 },
{ P_CORE_BI_PLL_TEST_SE, 7 },
};
static const char * const disp_cc_parent_names_4[] = {
"bi_tcxo",
"dsi0_phy_pll_out_dsiclk",
"dsi1_phy_pll_out_dsiclk",
"core_bi_pll_test_se",
};
static struct clk_alpha_pll disp_cc_pll0 = {
.offset = 0x0,
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
.clkr = {
.hw.init = &(struct clk_init_data){
.name = "disp_cc_pll0",
.parent_names = (const char *[]){ "bi_tcxo" },
.num_parents = 1,
.ops = &clk_alpha_pll_fabia_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = {
.cmd_rcgr = 0x20d0,
.mnd_width = 0,
.hid_width = 5,
.parent_map = disp_cc_parent_map_0,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte0_clk_src",
.parent_names = disp_cc_parent_names_0,
.num_parents = 4,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_byte2_ops,
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_rcg2 disp_cc_mdss_byte1_clk_src = {
.cmd_rcgr = 0x20ec,
.mnd_width = 0,
.hid_width = 5,
.parent_map = disp_cc_parent_map_0,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte1_clk_src",
.parent_names = disp_cc_parent_names_0,
.num_parents = 4,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_byte2_ops,
},
};
static const struct freq_tbl ftbl_disp_cc_mdss_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_names = disp_cc_parent_names_2,
.num_parents = 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_names = disp_cc_parent_names_1,
.num_parents = 4,
.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_names = disp_cc_parent_names_1,
.num_parents = 4,
.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_names = disp_cc_parent_names_1,
.num_parents = 4,
.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_names = disp_cc_parent_names_1,
.num_parents = 4,
.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_names = disp_cc_parent_names_0,
.num_parents = 4,
.ops = &clk_rcg2_ops,
},
};
static struct clk_rcg2 disp_cc_mdss_esc1_clk_src = {
.cmd_rcgr = 0x2120,
.mnd_width = 0,
.hid_width = 5,
.parent_map = disp_cc_parent_map_0,
.freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_esc1_clk_src",
.parent_names = disp_cc_parent_names_0,
.num_parents = 4,
.ops = &clk_rcg2_ops,
},
};
static const struct freq_tbl ftbl_disp_cc_mdss_mdp_clk_src[] = {
F(19200000, P_BI_TCXO, 1, 0, 0),
F(85714286, P_GPLL0_OUT_MAIN, 7, 0, 0),
F(100000000, P_GPLL0_OUT_MAIN, 6, 0, 0),
F(150000000, P_GPLL0_OUT_MAIN, 4, 0, 0),
F(171428571, P_GPLL0_OUT_MAIN, 3.5, 0, 0),
F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
F(344000000, P_DISP_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
F(430000000, P_DISP_CC_PLL0_OUT_MAIN, 2, 0, 0),
{ }
};
static struct clk_rcg2 disp_cc_mdss_mdp_clk_src = {
.cmd_rcgr = 0x2088,
.mnd_width = 0,
.hid_width = 5,
.parent_map = disp_cc_parent_map_3,
.freq_tbl = ftbl_disp_cc_mdss_mdp_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_mdp_clk_src",
.parent_names = disp_cc_parent_names_3,
.num_parents = 5,
.ops = &clk_rcg2_shared_ops,
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_rcg2 disp_cc_mdss_pclk0_clk_src = {
.cmd_rcgr = 0x2058,
.mnd_width = 8,
.hid_width = 5,
.parent_map = disp_cc_parent_map_4,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_pclk0_clk_src",
.parent_names = disp_cc_parent_names_4,
.num_parents = 4,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_pixel_ops,
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_rcg2 disp_cc_mdss_pclk1_clk_src = {
.cmd_rcgr = 0x2070,
.mnd_width = 8,
.hid_width = 5,
.parent_map = disp_cc_parent_map_4,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_pclk1_clk_src",
.parent_names = disp_cc_parent_names_4,
.num_parents = 4,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_pixel_ops,
},
};
static const struct freq_tbl ftbl_disp_cc_mdss_rot_clk_src[] = {
F(19200000, P_BI_TCXO, 1, 0, 0),
F(171428571, P_GPLL0_OUT_MAIN, 3.5, 0, 0),
F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
F(344000000, P_DISP_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
F(430000000, P_DISP_CC_PLL0_OUT_MAIN, 2, 0, 0),
{ }
};
static struct clk_rcg2 disp_cc_mdss_rot_clk_src = {
.cmd_rcgr = 0x20a0,
.mnd_width = 0,
.hid_width = 5,
.parent_map = disp_cc_parent_map_3,
.freq_tbl = ftbl_disp_cc_mdss_rot_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_rot_clk_src",
.parent_names = disp_cc_parent_names_3,
.num_parents = 5,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 disp_cc_mdss_vsync_clk_src = {
.cmd_rcgr = 0x20b8,
.mnd_width = 0,
.hid_width = 5,
.parent_map = disp_cc_parent_map_2,
.freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_vsync_clk_src",
.parent_names = disp_cc_parent_names_2,
.num_parents = 2,
.ops = &clk_rcg2_ops,
},
};
static struct clk_branch disp_cc_mdss_ahb_clk = {
.halt_reg = 0x4004,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x4004,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_ahb_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_axi_clk = {
.halt_reg = 0x4008,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x4008,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_axi_clk",
.ops = &clk_branch2_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_branch disp_cc_mdss_byte0_clk = {
.halt_reg = 0x2028,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2028,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte0_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_byte0_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_regmap_div disp_cc_mdss_byte0_div_clk_src = {
.reg = 0x20e8,
.shift = 0,
.width = 2,
.clkr = {
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte0_div_clk_src",
.parent_names = (const char *[]){
"disp_cc_mdss_byte0_clk_src",
},
.num_parents = 1,
.ops = &clk_regmap_div_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_branch disp_cc_mdss_byte0_intf_clk = {
.halt_reg = 0x202c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x202c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte0_intf_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_byte0_div_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_branch disp_cc_mdss_byte1_clk = {
.halt_reg = 0x2030,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2030,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte1_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_byte1_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_regmap_div disp_cc_mdss_byte1_div_clk_src = {
.reg = 0x2104,
.shift = 0,
.width = 2,
.clkr = {
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte1_div_clk_src",
.parent_names = (const char *[]){
"disp_cc_mdss_byte1_clk_src",
},
.num_parents = 1,
.ops = &clk_regmap_div_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_branch disp_cc_mdss_byte1_intf_clk = {
.halt_reg = 0x2034,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2034,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_byte1_intf_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_byte1_div_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_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_names = (const char *[]){
"disp_cc_mdss_dp_aux_clk_src",
},
.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_names = (const char *[]){
"disp_cc_mdss_dp_crypto_clk_src",
},
.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_names = (const char *[]){
"disp_cc_mdss_dp_link_clk_src",
},
.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_names = (const char *[]){
"disp_cc_mdss_dp_link_clk_src",
},
.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_names = (const char *[]){
"disp_cc_mdss_dp_pixel1_clk_src",
},
.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_names = (const char *[]){
"disp_cc_mdss_dp_pixel_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_esc0_clk = {
.halt_reg = 0x2038,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2038,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_esc0_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_esc0_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_esc1_clk = {
.halt_reg = 0x203c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x203c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_esc1_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_esc1_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_mdp_clk = {
.halt_reg = 0x200c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x200c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_mdp_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_mdp_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_mdp_lut_clk = {
.halt_reg = 0x201c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x201c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_mdp_lut_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_mdp_clk_src",
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_branch disp_cc_mdss_pclk0_clk = {
.halt_reg = 0x2004,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2004,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_pclk0_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_pclk0_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
/* Return the HW recalc rate for idle use case */
static struct clk_branch disp_cc_mdss_pclk1_clk = {
.halt_reg = 0x2008,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2008,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_pclk1_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_pclk1_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_rot_clk = {
.halt_reg = 0x2014,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2014,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_rot_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_rot_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_rscc_ahb_clk = {
.halt_reg = 0x5004,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x5004,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_rscc_ahb_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_rscc_vsync_clk = {
.halt_reg = 0x5008,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x5008,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_rscc_vsync_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_vsync_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch disp_cc_mdss_vsync_clk = {
.halt_reg = 0x2024,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x2024,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "disp_cc_mdss_vsync_clk",
.parent_names = (const char *[]){
"disp_cc_mdss_vsync_clk_src",
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct gdsc mdss_gdsc = {
.gdscr = 0x3000,
.pd = {
.name = "mdss_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
.flags = HW_CTRL | POLL_CFG_GDSCR,
};
static struct clk_regmap *disp_cc_sdm845_clocks[] = {
[DISP_CC_MDSS_AHB_CLK] = &disp_cc_mdss_ahb_clk.clkr,
[DISP_CC_MDSS_AXI_CLK] = &disp_cc_mdss_axi_clk.clkr,
[DISP_CC_MDSS_BYTE0_CLK] = &disp_cc_mdss_byte0_clk.clkr,
[DISP_CC_MDSS_BYTE0_CLK_SRC] = &disp_cc_mdss_byte0_clk_src.clkr,
[DISP_CC_MDSS_BYTE0_INTF_CLK] = &disp_cc_mdss_byte0_intf_clk.clkr,
[DISP_CC_MDSS_BYTE0_DIV_CLK_SRC] =
&disp_cc_mdss_byte0_div_clk_src.clkr,
[DISP_CC_MDSS_BYTE1_CLK] = &disp_cc_mdss_byte1_clk.clkr,
[DISP_CC_MDSS_BYTE1_CLK_SRC] = &disp_cc_mdss_byte1_clk_src.clkr,
[DISP_CC_MDSS_BYTE1_INTF_CLK] = &disp_cc_mdss_byte1_intf_clk.clkr,
[DISP_CC_MDSS_BYTE1_DIV_CLK_SRC] =
&disp_cc_mdss_byte1_div_clk_src.clkr,
[DISP_CC_MDSS_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, &disp_cc_sdm845_desc, regmap);
}
static struct platform_driver disp_cc_sdm845_driver = {
.probe = disp_cc_sdm845_probe,
.driver = {
.name = "disp_cc-sdm845",
.of_match_table = disp_cc_sdm845_match_table,
},
};
static int __init disp_cc_sdm845_init(void)
{
return platform_driver_register(&disp_cc_sdm845_driver);
}
subsys_initcall(disp_cc_sdm845_init);
static void __exit disp_cc_sdm845_exit(void)
{
platform_driver_unregister(&disp_cc_sdm845_driver);
}
module_exit(disp_cc_sdm845_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("QTI DISPCC SDM845 Driver");
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