Files
linux/drivers/clk/qcom/cambistmclkcc-sm8750.c
Krzysztof Kozlowski 012e012e49 clk: qcom: sm8750: Constify 'qcom_cc_desc' in SM8750 camcc
'struct qcom_cc_desc' is passed to qcom_cc_map() and
qcom_cc_really_probe() only as pointer to const, so make the memory
const for safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260128154306.133047-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-01-28 14:23:35 -06:00

455 lines
13 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/
#include <linux/clk-provider.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <dt-bindings/clock/qcom,sm8750-cambistmclkcc.h>
#include "clk-alpha-pll.h"
#include "clk-branch.h"
#include "clk-rcg.h"
#include "clk-regmap.h"
#include "common.h"
#include "reset.h"
enum {
DT_IFACE,
DT_BI_TCXO,
DT_BI_TCXO_AO,
DT_SLEEP_CLK,
};
enum {
P_BI_TCXO,
P_CAM_BIST_MCLK_CC_PLL0_OUT_EVEN,
P_CAM_BIST_MCLK_CC_PLL0_OUT_MAIN,
P_SLEEP_CLK,
};
static const struct pll_vco rivian_elu_vco[] = {
{ 833000000, 1125000000, 0 },
{ 777000000, 1062000000, 1 },
};
/* 960.0 MHz Configuration */
static const struct alpha_pll_config cam_bist_mclk_cc_pll0_config = {
.l = 0x32,
.alpha = 0x0,
.config_ctl_val = 0x12000000,
.config_ctl_hi_val = 0x00890263,
.config_ctl_hi1_val = 0x1af04237,
.config_ctl_hi2_val = 0x00000000,
};
static struct clk_alpha_pll cam_bist_mclk_cc_pll0 = {
.offset = 0x0,
.config = &cam_bist_mclk_cc_pll0_config,
.vco_table = rivian_elu_vco,
.num_vco = ARRAY_SIZE(rivian_elu_vco),
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_RIVIAN_ELU],
.clkr = {
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_pll0",
.parent_data = &(const struct clk_parent_data) {
.index = DT_BI_TCXO,
},
.num_parents = 1,
.ops = &clk_alpha_pll_rivian_elu_ops,
},
},
};
static const struct parent_map cam_bist_mclk_cc_parent_map_0[] = {
{ P_BI_TCXO, 0 },
{ P_CAM_BIST_MCLK_CC_PLL0_OUT_EVEN, 3 },
{ P_CAM_BIST_MCLK_CC_PLL0_OUT_MAIN, 5 },
};
static const struct clk_parent_data cam_bist_mclk_cc_parent_data_0[] = {
{ .index = DT_BI_TCXO },
{ .hw = &cam_bist_mclk_cc_pll0.clkr.hw },
{ .hw = &cam_bist_mclk_cc_pll0.clkr.hw },
};
static const struct parent_map cam_bist_mclk_cc_parent_map_1[] = {
{ P_SLEEP_CLK, 0 },
};
static const struct clk_parent_data cam_bist_mclk_cc_parent_data_1[] = {
{ .index = DT_SLEEP_CLK },
};
static const struct freq_tbl ftbl_cam_bist_mclk_cc_mclk0_clk_src[] = {
F(12000000, P_CAM_BIST_MCLK_CC_PLL0_OUT_EVEN, 10, 1, 8),
F(19200000, P_BI_TCXO, 1, 0, 0),
F(24000000, P_CAM_BIST_MCLK_CC_PLL0_OUT_EVEN, 10, 1, 4),
F(68571429, P_CAM_BIST_MCLK_CC_PLL0_OUT_MAIN, 14, 0, 0),
{ }
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk0_clk_src = {
.cmd_rcgr = 0x4000,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk0_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk1_clk_src = {
.cmd_rcgr = 0x401c,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk1_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk2_clk_src = {
.cmd_rcgr = 0x4038,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk2_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk3_clk_src = {
.cmd_rcgr = 0x4054,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk3_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk4_clk_src = {
.cmd_rcgr = 0x4070,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk4_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk5_clk_src = {
.cmd_rcgr = 0x408c,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk5_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk6_clk_src = {
.cmd_rcgr = 0x40a8,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk6_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_rcg2 cam_bist_mclk_cc_mclk7_clk_src = {
.cmd_rcgr = 0x40c4,
.mnd_width = 8,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_0,
.freq_tbl = ftbl_cam_bist_mclk_cc_mclk0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk7_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_0,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static const struct freq_tbl ftbl_cam_bist_mclk_cc_sleep_clk_src[] = {
F(32000, P_SLEEP_CLK, 1, 0, 0),
{ }
};
static struct clk_rcg2 cam_bist_mclk_cc_sleep_clk_src = {
.cmd_rcgr = 0x40e0,
.mnd_width = 0,
.hid_width = 5,
.parent_map = cam_bist_mclk_cc_parent_map_1,
.freq_tbl = ftbl_cam_bist_mclk_cc_sleep_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_sleep_clk_src",
.parent_data = cam_bist_mclk_cc_parent_data_1,
.num_parents = ARRAY_SIZE(cam_bist_mclk_cc_parent_data_1),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_branch cam_bist_mclk_cc_mclk0_clk = {
.halt_reg = 0x4018,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x4018,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk0_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk0_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch cam_bist_mclk_cc_mclk1_clk = {
.halt_reg = 0x4034,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x4034,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk1_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk1_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch cam_bist_mclk_cc_mclk2_clk = {
.halt_reg = 0x4050,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x4050,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk2_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk2_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch cam_bist_mclk_cc_mclk3_clk = {
.halt_reg = 0x406c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x406c,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk3_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk3_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch cam_bist_mclk_cc_mclk4_clk = {
.halt_reg = 0x4088,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x4088,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk4_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk4_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch cam_bist_mclk_cc_mclk5_clk = {
.halt_reg = 0x40a4,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x40a4,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk5_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk5_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch cam_bist_mclk_cc_mclk6_clk = {
.halt_reg = 0x40c0,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x40c0,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk6_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk6_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch cam_bist_mclk_cc_mclk7_clk = {
.halt_reg = 0x40dc,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x40dc,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "cam_bist_mclk_cc_mclk7_clk",
.parent_hws = (const struct clk_hw*[]) {
&cam_bist_mclk_cc_mclk7_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_regmap *cam_bist_mclk_cc_sm8750_clocks[] = {
[CAM_BIST_MCLK_CC_MCLK0_CLK] = &cam_bist_mclk_cc_mclk0_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK0_CLK_SRC] = &cam_bist_mclk_cc_mclk0_clk_src.clkr,
[CAM_BIST_MCLK_CC_MCLK1_CLK] = &cam_bist_mclk_cc_mclk1_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK1_CLK_SRC] = &cam_bist_mclk_cc_mclk1_clk_src.clkr,
[CAM_BIST_MCLK_CC_MCLK2_CLK] = &cam_bist_mclk_cc_mclk2_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK2_CLK_SRC] = &cam_bist_mclk_cc_mclk2_clk_src.clkr,
[CAM_BIST_MCLK_CC_MCLK3_CLK] = &cam_bist_mclk_cc_mclk3_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK3_CLK_SRC] = &cam_bist_mclk_cc_mclk3_clk_src.clkr,
[CAM_BIST_MCLK_CC_MCLK4_CLK] = &cam_bist_mclk_cc_mclk4_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK4_CLK_SRC] = &cam_bist_mclk_cc_mclk4_clk_src.clkr,
[CAM_BIST_MCLK_CC_MCLK5_CLK] = &cam_bist_mclk_cc_mclk5_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK5_CLK_SRC] = &cam_bist_mclk_cc_mclk5_clk_src.clkr,
[CAM_BIST_MCLK_CC_MCLK6_CLK] = &cam_bist_mclk_cc_mclk6_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK6_CLK_SRC] = &cam_bist_mclk_cc_mclk6_clk_src.clkr,
[CAM_BIST_MCLK_CC_MCLK7_CLK] = &cam_bist_mclk_cc_mclk7_clk.clkr,
[CAM_BIST_MCLK_CC_MCLK7_CLK_SRC] = &cam_bist_mclk_cc_mclk7_clk_src.clkr,
[CAM_BIST_MCLK_CC_PLL0] = &cam_bist_mclk_cc_pll0.clkr,
[CAM_BIST_MCLK_CC_SLEEP_CLK_SRC] = &cam_bist_mclk_cc_sleep_clk_src.clkr,
};
static struct clk_alpha_pll *cam_bist_mclk_cc_sm8750_plls[] = {
&cam_bist_mclk_cc_pll0,
};
static u32 cam_bist_mclk_cc_sm8750_critical_cbcrs[] = {
0x40f8, /* CAM_BIST_MCLK_CC_SLEEP_CLK */
};
static const struct regmap_config cam_bist_mclk_cc_sm8750_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x5010,
.fast_io = true,
};
static struct qcom_cc_driver_data cam_bist_mclk_cc_sm8750_driver_data = {
.alpha_plls = cam_bist_mclk_cc_sm8750_plls,
.num_alpha_plls = ARRAY_SIZE(cam_bist_mclk_cc_sm8750_plls),
.clk_cbcrs = cam_bist_mclk_cc_sm8750_critical_cbcrs,
.num_clk_cbcrs = ARRAY_SIZE(cam_bist_mclk_cc_sm8750_critical_cbcrs),
};
static const struct qcom_cc_desc cam_bist_mclk_cc_sm8750_desc = {
.config = &cam_bist_mclk_cc_sm8750_regmap_config,
.clks = cam_bist_mclk_cc_sm8750_clocks,
.num_clks = ARRAY_SIZE(cam_bist_mclk_cc_sm8750_clocks),
.use_rpm = true,
.driver_data = &cam_bist_mclk_cc_sm8750_driver_data,
};
static const struct of_device_id cam_bist_mclk_cc_sm8750_match_table[] = {
{ .compatible = "qcom,sm8750-cambistmclkcc" },
{ }
};
MODULE_DEVICE_TABLE(of, cam_bist_mclk_cc_sm8750_match_table);
static int cam_bist_mclk_cc_sm8750_probe(struct platform_device *pdev)
{
return qcom_cc_probe(pdev, &cam_bist_mclk_cc_sm8750_desc);
}
static struct platform_driver cam_bist_mclk_cc_sm8750_driver = {
.probe = cam_bist_mclk_cc_sm8750_probe,
.driver = {
.name = "cambistmclkcc-sm8750",
.of_match_table = cam_bist_mclk_cc_sm8750_match_table,
},
};
module_platform_driver(cam_bist_mclk_cc_sm8750_driver);
MODULE_DESCRIPTION("QTI CAMBISTMCLKCC SM8750 Driver");
MODULE_LICENSE("GPL");