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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 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 <dt-bindings/clock/qcom,videocc-sc7180.h>
#include "clk-alpha-pll.h"
#include "clk-branch.h"
#include "clk-rcg.h"
#include "clk-regmap.h"
#include "common.h"
#include "gdsc.h"
enum {
P_BI_TCXO,
P_VIDEO_PLL0_OUT_MAIN,
};
static const struct pll_vco fabia_vco[] = {
{ 249600000, 2000000000, 0 },
};
static struct clk_alpha_pll video_pll0 = {
.offset = 0x42c,
.vco_table = fabia_vco,
.num_vco = ARRAY_SIZE(fabia_vco),
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
.clkr = {
.hw.init = &(struct clk_init_data){
.name = "video_pll0",
.parent_data = &(const struct clk_parent_data){
.fw_name = "bi_tcxo",
},
.num_parents = 1,
.ops = &clk_alpha_pll_fabia_ops,
},
},
};
static const struct parent_map video_cc_parent_map_1[] = {
{ P_BI_TCXO, 0 },
{ P_VIDEO_PLL0_OUT_MAIN, 1 },
};
static const struct clk_parent_data video_cc_parent_data_1[] = {
{ .fw_name = "bi_tcxo" },
{ .hw = &video_pll0.clkr.hw },
};
static const struct freq_tbl ftbl_video_cc_venus_clk_src[] = {
F(19200000, P_BI_TCXO, 1, 0, 0),
F(150000000, P_VIDEO_PLL0_OUT_MAIN, 4, 0, 0),
F(270000000, P_VIDEO_PLL0_OUT_MAIN, 2.5, 0, 0),
F(340000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
F(434000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
F(500000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
{ }
};
static struct clk_rcg2 video_cc_venus_clk_src = {
.cmd_rcgr = 0x7f0,
.mnd_width = 0,
.hid_width = 5,
.parent_map = video_cc_parent_map_1,
.freq_tbl = ftbl_video_cc_venus_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_clk_src",
.parent_data = video_cc_parent_data_1,
.num_parents = ARRAY_SIZE(video_cc_parent_data_1),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_branch video_cc_vcodec0_axi_clk = {
.halt_reg = 0x9ec,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x9ec,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_vcodec0_axi_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_vcodec0_core_clk = {
.halt_reg = 0x890,
.halt_check = BRANCH_HALT_VOTED,
.clkr = {
.enable_reg = 0x890,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_vcodec0_core_clk",
.parent_hws = (const struct clk_hw*[]){
&video_cc_venus_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_venus_ahb_clk = {
.halt_reg = 0xa4c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0xa4c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_ahb_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_venus_ctl_axi_clk = {
.halt_reg = 0x9cc,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x9cc,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_ctl_axi_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_venus_ctl_core_clk = {
.halt_reg = 0x850,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x850,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_ctl_core_clk",
.parent_hws = (const struct clk_hw*[]){
&video_cc_venus_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct gdsc venus_gdsc = {
.gdscr = 0x814,
.pd = {
.name = "venus_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
};
static struct gdsc vcodec0_gdsc = {
.gdscr = 0x874,
.pd = {
.name = "vcodec0_gdsc",
},
.flags = HW_CTRL,
.pwrsts = PWRSTS_OFF_ON,
};
static struct clk_regmap *video_cc_sc7180_clocks[] = {
[VIDEO_CC_VCODEC0_AXI_CLK] = &video_cc_vcodec0_axi_clk.clkr,
[VIDEO_CC_VCODEC0_CORE_CLK] = &video_cc_vcodec0_core_clk.clkr,
[VIDEO_CC_VENUS_AHB_CLK] = &video_cc_venus_ahb_clk.clkr,
[VIDEO_CC_VENUS_CLK_SRC] = &video_cc_venus_clk_src.clkr,
[VIDEO_CC_VENUS_CTL_AXI_CLK] = &video_cc_venus_ctl_axi_clk.clkr,
[VIDEO_CC_VENUS_CTL_CORE_CLK] = &video_cc_venus_ctl_core_clk.clkr,
[VIDEO_PLL0] = &video_pll0.clkr,
};
static struct gdsc *video_cc_sc7180_gdscs[] = {
[VENUS_GDSC] = &venus_gdsc,
[VCODEC0_GDSC] = &vcodec0_gdsc,
};
static const struct regmap_config video_cc_sc7180_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0xb94,
.fast_io = true,
};
static const struct qcom_cc_desc video_cc_sc7180_desc = {
.config = &video_cc_sc7180_regmap_config,
.clks = video_cc_sc7180_clocks,
.num_clks = ARRAY_SIZE(video_cc_sc7180_clocks),
.gdscs = video_cc_sc7180_gdscs,
.num_gdscs = ARRAY_SIZE(video_cc_sc7180_gdscs),
};
static const struct of_device_id video_cc_sc7180_match_table[] = {
{ .compatible = "qcom,sc7180-videocc" },
{ }
};
MODULE_DEVICE_TABLE(of, video_cc_sc7180_match_table);
static int video_cc_sc7180_probe(struct platform_device *pdev)
{
struct regmap *regmap;
struct alpha_pll_config video_pll0_config = {};
regmap = qcom_cc_map(pdev, &video_cc_sc7180_desc);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
video_pll0_config.l = 0x1f;
video_pll0_config.alpha = 0x4000;
video_pll0_config.user_ctl_val = 0x00000001;
video_pll0_config.user_ctl_hi_val = 0x00004805;
clk_fabia_pll_configure(&video_pll0, regmap, &video_pll0_config);
/* Keep VIDEO_CC_XO_CLK ALWAYS-ON */
regmap_update_bits(regmap, 0x984, 0x1, 0x1);
return qcom_cc_really_probe(pdev, &video_cc_sc7180_desc, regmap);
}
static struct platform_driver video_cc_sc7180_driver = {
.probe = video_cc_sc7180_probe,
.driver = {
.name = "sc7180-videocc",
.of_match_table = video_cc_sc7180_match_table,
},
};
static int __init video_cc_sc7180_init(void)
{
return platform_driver_register(&video_cc_sc7180_driver);
}
subsys_initcall(video_cc_sc7180_init);
static void __exit video_cc_sc7180_exit(void)
{
platform_driver_unregister(&video_cc_sc7180_driver);
}
module_exit(video_cc_sc7180_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("QTI VIDEOCC SC7180 Driver");
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