linux/drivers/clk/qcom/gpucc-sdm660.c
Luo Jie 9f93a0a428 clk: qcom: common: commonize qcom_cc_really_probe
The previous wrapper qcom_cc_really_probe takes the platform
device as parameter, which is limited to platform driver.

As for qca8k clock controller driver, which is registered as
the MDIO device, which also follows the qcom clock framework.

To commonize qcom_cc_really_probe, updating it to take the
struct device as parameter, so that the qcom_cc_really_probe
can be utilized by the previous platform device and the new
added MDIO device.

Also update the current clock controller drivers to take
&pdev->dev as parameter when calling qcom_cc_really_probe.

Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://lore.kernel.org/r/20240605124541.2711467-4-quic_luoj@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-06-12 23:04:26 -05:00

347 lines
8.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2020, AngeloGioacchino Del Regno
* <angelogioacchino.delregno@somainline.org>
*/
#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/regmap.h>
#include <linux/reset-controller.h>
#include <dt-bindings/clock/qcom,gpucc-sdm660.h>
#include "clk-alpha-pll.h"
#include "common.h"
#include "clk-regmap.h"
#include "clk-pll.h"
#include "clk-rcg.h"
#include "clk-branch.h"
#include "gdsc.h"
#include "reset.h"
enum {
P_GPU_XO,
P_GPLL0_OUT_MAIN,
P_GPLL0_OUT_MAIN_DIV,
P_GPU_PLL0_PLL_OUT_MAIN,
P_GPU_PLL1_PLL_OUT_MAIN,
};
static struct clk_branch gpucc_cxo_clk = {
.halt_reg = 0x1020,
.clkr = {
.enable_reg = 0x1020,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gpucc_cxo_clk",
.parent_data = &(const struct clk_parent_data){
.fw_name = "xo"
},
.num_parents = 1,
.ops = &clk_branch2_ops,
.flags = CLK_IS_CRITICAL,
},
},
};
static const struct pll_vco gpu_vco[] = {
{ 1000000000, 2000000000, 0 },
{ 500000000, 1000000000, 2 },
{ 250000000, 500000000, 3 },
};
static struct clk_alpha_pll gpu_pll0_pll_out_main = {
.offset = 0x0,
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
.vco_table = gpu_vco,
.num_vco = ARRAY_SIZE(gpu_vco),
.clkr.hw.init = &(struct clk_init_data){
.name = "gpu_pll0_pll_out_main",
.parent_hws = (const struct clk_hw*[]){
&gpucc_cxo_clk.clkr.hw,
},
.num_parents = 1,
.ops = &clk_alpha_pll_ops,
},
};
static struct clk_alpha_pll gpu_pll1_pll_out_main = {
.offset = 0x40,
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
.vco_table = gpu_vco,
.num_vco = ARRAY_SIZE(gpu_vco),
.clkr.hw.init = &(struct clk_init_data){
.name = "gpu_pll1_pll_out_main",
.parent_hws = (const struct clk_hw*[]){
&gpucc_cxo_clk.clkr.hw,
},
.num_parents = 1,
.ops = &clk_alpha_pll_ops,
},
};
static const struct parent_map gpucc_parent_map_1[] = {
{ P_GPU_XO, 0 },
{ P_GPU_PLL0_PLL_OUT_MAIN, 1 },
{ P_GPU_PLL1_PLL_OUT_MAIN, 3 },
{ P_GPLL0_OUT_MAIN, 5 },
};
static const struct clk_parent_data gpucc_parent_data_1[] = {
{ .hw = &gpucc_cxo_clk.clkr.hw },
{ .hw = &gpu_pll0_pll_out_main.clkr.hw },
{ .hw = &gpu_pll1_pll_out_main.clkr.hw },
{ .fw_name = "gcc_gpu_gpll0_clk" },
};
static struct clk_rcg2_gfx3d gfx3d_clk_src = {
.div = 2,
.rcg = {
.cmd_rcgr = 0x1070,
.mnd_width = 0,
.hid_width = 5,
.parent_map = gpucc_parent_map_1,
.clkr.hw.init = &(struct clk_init_data){
.name = "gfx3d_clk_src",
.parent_data = gpucc_parent_data_1,
.num_parents = ARRAY_SIZE(gpucc_parent_data_1),
.ops = &clk_gfx3d_ops,
.flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
},
},
.hws = (struct clk_hw*[]){
&gpucc_cxo_clk.clkr.hw,
&gpu_pll0_pll_out_main.clkr.hw,
&gpu_pll1_pll_out_main.clkr.hw,
}
};
static struct clk_branch gpucc_gfx3d_clk = {
.halt_reg = 0x1098,
.halt_check = BRANCH_HALT,
.hwcg_reg = 0x1098,
.hwcg_bit = 1,
.clkr = {
.enable_reg = 0x1098,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gpucc_gfx3d_clk",
.parent_hws = (const struct clk_hw*[]){
&gfx3d_clk_src.rcg.clkr.hw,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
.flags = CLK_SET_RATE_PARENT,
},
},
};
static const struct parent_map gpucc_parent_map_0[] = {
{ P_GPU_XO, 0 },
{ P_GPLL0_OUT_MAIN, 5 },
{ P_GPLL0_OUT_MAIN_DIV, 6 },
};
static const struct clk_parent_data gpucc_parent_data_0[] = {
{ .hw = &gpucc_cxo_clk.clkr.hw },
{ .fw_name = "gcc_gpu_gpll0_clk" },
{ .fw_name = "gcc_gpu_gpll0_div_clk" },
};
static const struct freq_tbl ftbl_rbbmtimer_clk_src[] = {
F(19200000, P_GPU_XO, 1, 0, 0),
{ }
};
static struct clk_rcg2 rbbmtimer_clk_src = {
.cmd_rcgr = 0x10b0,
.mnd_width = 0,
.hid_width = 5,
.parent_map = gpucc_parent_map_0,
.freq_tbl = ftbl_rbbmtimer_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "rbbmtimer_clk_src",
.parent_data = gpucc_parent_data_0,
.num_parents = ARRAY_SIZE(gpucc_parent_data_0),
.ops = &clk_rcg2_ops,
},
};
static const struct freq_tbl ftbl_rbcpr_clk_src[] = {
F(19200000, P_GPU_XO, 1, 0, 0),
F(50000000, P_GPLL0_OUT_MAIN_DIV, 6, 0, 0),
{ }
};
static struct clk_rcg2 rbcpr_clk_src = {
.cmd_rcgr = 0x1030,
.mnd_width = 0,
.hid_width = 5,
.parent_map = gpucc_parent_map_0,
.freq_tbl = ftbl_rbcpr_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "rbcpr_clk_src",
.parent_data = gpucc_parent_data_0,
.num_parents = ARRAY_SIZE(gpucc_parent_data_0),
.ops = &clk_rcg2_ops,
},
};
static struct clk_branch gpucc_rbbmtimer_clk = {
.halt_reg = 0x10d0,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x10d0,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gpucc_rbbmtimer_clk",
.parent_hws = (const struct clk_hw*[]){
&rbbmtimer_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch gpucc_rbcpr_clk = {
.halt_reg = 0x1054,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x1054,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gpucc_rbcpr_clk",
.parent_hws = (const struct clk_hw*[]){
&rbcpr_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct gdsc gpu_cx_gdsc = {
.gdscr = 0x1004,
.gds_hw_ctrl = 0x1008,
.pd = {
.name = "gpu_cx",
},
.pwrsts = PWRSTS_OFF_ON,
.flags = VOTABLE,
};
static struct gdsc gpu_gx_gdsc = {
.gdscr = 0x1094,
.clamp_io_ctrl = 0x130,
.resets = (unsigned int []){ GPU_GX_BCR },
.reset_count = 1,
.cxcs = (unsigned int []){ 0x1098 },
.cxc_count = 1,
.pd = {
.name = "gpu_gx",
},
.parent = &gpu_cx_gdsc.pd,
.pwrsts = PWRSTS_OFF | PWRSTS_ON | PWRSTS_RET,
.flags = CLAMP_IO | SW_RESET | AON_RESET | NO_RET_PERIPH,
};
static struct gdsc *gpucc_sdm660_gdscs[] = {
[GPU_CX_GDSC] = &gpu_cx_gdsc,
[GPU_GX_GDSC] = &gpu_gx_gdsc,
};
static const struct qcom_reset_map gpucc_sdm660_resets[] = {
[GPU_CX_BCR] = { 0x1000 },
[RBCPR_BCR] = { 0x1050 },
[GPU_GX_BCR] = { 0x1090 },
[SPDM_BCR] = { 0x10E0 },
};
static struct clk_regmap *gpucc_sdm660_clocks[] = {
[GPUCC_CXO_CLK] = &gpucc_cxo_clk.clkr,
[GPU_PLL0_PLL] = &gpu_pll0_pll_out_main.clkr,
[GPU_PLL1_PLL] = &gpu_pll1_pll_out_main.clkr,
[GFX3D_CLK_SRC] = &gfx3d_clk_src.rcg.clkr,
[RBCPR_CLK_SRC] = &rbcpr_clk_src.clkr,
[RBBMTIMER_CLK_SRC] = &rbbmtimer_clk_src.clkr,
[GPUCC_RBCPR_CLK] = &gpucc_rbcpr_clk.clkr,
[GPUCC_GFX3D_CLK] = &gpucc_gfx3d_clk.clkr,
[GPUCC_RBBMTIMER_CLK] = &gpucc_rbbmtimer_clk.clkr,
};
static const struct regmap_config gpucc_660_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x9034,
.fast_io = true,
};
static const struct qcom_cc_desc gpucc_sdm660_desc = {
.config = &gpucc_660_regmap_config,
.clks = gpucc_sdm660_clocks,
.num_clks = ARRAY_SIZE(gpucc_sdm660_clocks),
.resets = gpucc_sdm660_resets,
.num_resets = ARRAY_SIZE(gpucc_sdm660_resets),
.gdscs = gpucc_sdm660_gdscs,
.num_gdscs = ARRAY_SIZE(gpucc_sdm660_gdscs),
};
static const struct of_device_id gpucc_sdm660_match_table[] = {
{ .compatible = "qcom,gpucc-sdm660" },
{ .compatible = "qcom,gpucc-sdm630" },
{ }
};
MODULE_DEVICE_TABLE(of, gpucc_sdm660_match_table);
static int gpucc_sdm660_probe(struct platform_device *pdev)
{
struct regmap *regmap;
struct alpha_pll_config gpu_pll_config = {
.config_ctl_val = 0x4001055b,
.alpha = 0xaaaaab00,
.alpha_en_mask = BIT(24),
.vco_val = 0x2 << 20,
.vco_mask = 0x3 << 20,
.main_output_mask = 0x1,
};
regmap = qcom_cc_map(pdev, &gpucc_sdm660_desc);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
/* 800MHz configuration for GPU PLL0 */
gpu_pll_config.l = 0x29;
gpu_pll_config.alpha_hi = 0xaa;
clk_alpha_pll_configure(&gpu_pll0_pll_out_main, regmap, &gpu_pll_config);
/* 740MHz configuration for GPU PLL1 */
gpu_pll_config.l = 0x26;
gpu_pll_config.alpha_hi = 0x8a;
clk_alpha_pll_configure(&gpu_pll1_pll_out_main, regmap, &gpu_pll_config);
return qcom_cc_really_probe(&pdev->dev, &gpucc_sdm660_desc, regmap);
}
static struct platform_driver gpucc_sdm660_driver = {
.probe = gpucc_sdm660_probe,
.driver = {
.name = "gpucc-sdm660",
.of_match_table = gpucc_sdm660_match_table,
},
};
module_platform_driver(gpucc_sdm660_driver);
MODULE_DESCRIPTION("Qualcomm SDM630/SDM660 GPUCC Driver");
MODULE_LICENSE("GPL v2");