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linux-next/drivers/clk/qcom/dispcc-sdm845.c
Taniya Das 81351776c9 clk: qcom: Add display clock controller driver for SDM845 
Add support for the display clock controller found on SDM845
based devices. This would allow display drivers to probe and
control their clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
[sboyd@kernel.org: Remove CLK_GET_RATE_NOCACHE everywhere]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-08-01 08:08:12 -07:00

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