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Commit 441fe711 authored by Taniya Das's avatar Taniya Das Committed by Bjorn Andersson
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clk: qcom: videocc-sm8450: Add video clock controller driver for SM8450 

Add support for the video clock controller driver for peripheral clock
clients to be able to request for video cc clocks.
Signed-off-by: default avatarTaniya Das <quic_tdas@quicinc.com>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524140656.7076-3-quic_tdas@quicinc.com
parent cc8d2cf5
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drivers/clk/qcom/Kconfig
View file @ 441fe711
...@@ -971,4 +971,13 @@ config CLK_GFM_LPASS_SM8250 ...@@ -971,4 +971,13 @@ config CLK_GFM_LPASS_SM8250
Support for the Glitch Free Mux (GFM) Low power audio Support for the Glitch Free Mux (GFM) Low power audio
subsystem (LPASS) clocks found on SM8250 SoCs. subsystem (LPASS) clocks found on SM8250 SoCs.
config SM_VIDEOCC_8450
tristate "SM8450 Video Clock Controller"
select SM_GCC_8450
select QCOM_GDSC
help
Support for the video clock controller on Qualcomm Technologies, Inc.
SM8450 devices.
Say Y if you want to support video devices and functionality such as
video encode/decode.
endif endif
drivers/clk/qcom/Makefile
View file @ 441fe711
...@@ -128,6 +128,7 @@ obj-$(CONFIG_SM_TCSRCC_8550) += tcsrcc-sm8550.o ...@@ -128,6 +128,7 @@ obj-$(CONFIG_SM_TCSRCC_8550) += tcsrcc-sm8550.o
obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
obj-$(CONFIG_SM_VIDEOCC_8350) += videocc-sm8350.o obj-$(CONFIG_SM_VIDEOCC_8350) += videocc-sm8350.o
obj-$(CONFIG_SM_VIDEOCC_8450) += videocc-sm8450.o
obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
obj-$(CONFIG_KPSS_XCC) += kpss-xcc.o obj-$(CONFIG_KPSS_XCC) += kpss-xcc.o
obj-$(CONFIG_QCOM_HFPLL) += hfpll.o obj-$(CONFIG_QCOM_HFPLL) += hfpll.o
......
drivers/clk/qcom/videocc-sm8450.c 0 → 100644
View file @ 441fe711
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <dt-bindings/clock/qcom,sm8450-videocc.h>
#include "clk-alpha-pll.h"
#include "clk-branch.h"
#include "clk-rcg.h"
#include "clk-regmap.h"
#include "clk-regmap-divider.h"
#include "common.h"
#include "gdsc.h"
#include "reset.h"
enum {
DT_BI_TCXO,
};
enum {
P_BI_TCXO,
P_VIDEO_CC_PLL0_OUT_MAIN,
P_VIDEO_CC_PLL1_OUT_MAIN,
};
static const struct pll_vco lucid_evo_vco[] = {
{ 249600000, 2020000000, 0 },
};
static const struct alpha_pll_config video_cc_pll0_config = {
/* .l includes CAL_L_VAL, L_VAL fields */
.l = 0x0044001e,
.alpha = 0x0,
.config_ctl_val = 0x20485699,
.config_ctl_hi_val = 0x00182261,
.config_ctl_hi1_val = 0x32aa299c,
.user_ctl_val = 0x00000000,
.user_ctl_hi_val = 0x00000805,
};
static struct clk_alpha_pll video_cc_pll0 = {
.offset = 0x0,
.vco_table = lucid_evo_vco,
.num_vco = ARRAY_SIZE(lucid_evo_vco),
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
.clkr = {
.hw.init = &(const struct clk_init_data) {
.name = "video_cc_pll0",
.parent_data = &(const struct clk_parent_data) {
.index = DT_BI_TCXO,
},
.num_parents = 1,
.ops = &clk_alpha_pll_lucid_evo_ops,
},
},
};
static const struct alpha_pll_config video_cc_pll1_config = {
/* .l includes CAL_L_VAL, L_VAL fields */
.l = 0x0044002b,
.alpha = 0xc000,
.config_ctl_val = 0x20485699,
.config_ctl_hi_val = 0x00182261,
.config_ctl_hi1_val = 0x32aa299c,
.user_ctl_val = 0x00000000,
.user_ctl_hi_val = 0x00000805,
};
static struct clk_alpha_pll video_cc_pll1 = {
.offset = 0x1000,
.vco_table = lucid_evo_vco,
.num_vco = ARRAY_SIZE(lucid_evo_vco),
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
.clkr = {
.hw.init = &(const struct clk_init_data) {
.name = "video_cc_pll1",
.parent_data = &(const struct clk_parent_data) {
.index = DT_BI_TCXO,
},
.num_parents = 1,
.ops = &clk_alpha_pll_lucid_evo_ops,
},
},
};
static const struct parent_map video_cc_parent_map_0[] = {
{ P_BI_TCXO, 0 },
{ P_VIDEO_CC_PLL0_OUT_MAIN, 1 },
};
static const struct clk_parent_data video_cc_parent_data_0[] = {
{ .index = DT_BI_TCXO },
{ .hw = &video_cc_pll0.clkr.hw },
};
static const struct parent_map video_cc_parent_map_1[] = {
{ P_BI_TCXO, 0 },
{ P_VIDEO_CC_PLL1_OUT_MAIN, 1 },
};
static const struct clk_parent_data video_cc_parent_data_1[] = {
{ .index = DT_BI_TCXO },
{ .hw = &video_cc_pll1.clkr.hw },
};
static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = {
F(576000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
F(720000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
F(1014000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
F(1098000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
F(1332000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
{ }
};
static struct clk_rcg2 video_cc_mvs0_clk_src = {
.cmd_rcgr = 0x8000,
.mnd_width = 0,
.hid_width = 5,
.parent_map = video_cc_parent_map_0,
.freq_tbl = ftbl_video_cc_mvs0_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs0_clk_src",
.parent_data = video_cc_parent_data_0,
.num_parents = ARRAY_SIZE(video_cc_parent_data_0),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static const struct freq_tbl ftbl_video_cc_mvs1_clk_src[] = {
F(840000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
F(1050000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
F(1350000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
F(1500000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
F(1650000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
{ }
};
static struct clk_rcg2 video_cc_mvs1_clk_src = {
.cmd_rcgr = 0x8018,
.mnd_width = 0,
.hid_width = 5,
.parent_map = video_cc_parent_map_1,
.freq_tbl = ftbl_video_cc_mvs1_clk_src,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs1_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_regmap_div video_cc_mvs0_div_clk_src = {
.reg = 0x80b8,
.shift = 0,
.width = 4,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs0_div_clk_src",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs0_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_regmap_div_ro_ops,
},
};
static struct clk_regmap_div video_cc_mvs0c_div2_div_clk_src = {
.reg = 0x806c,
.shift = 0,
.width = 4,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs0c_div2_div_clk_src",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs0_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_regmap_div_ro_ops,
},
};
static struct clk_regmap_div video_cc_mvs1_div_clk_src = {
.reg = 0x80dc,
.shift = 0,
.width = 4,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs1_div_clk_src",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs1_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_regmap_div_ro_ops,
},
};
static struct clk_regmap_div video_cc_mvs1c_div2_div_clk_src = {
.reg = 0x8094,
.shift = 0,
.width = 4,
.clkr.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs1c_div2_div_clk_src",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs1_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_regmap_div_ro_ops,
},
};
static struct clk_branch video_cc_mvs0_clk = {
.halt_reg = 0x80b0,
.halt_check = BRANCH_HALT_SKIP,
.hwcg_reg = 0x80b0,
.hwcg_bit = 1,
.clkr = {
.enable_reg = 0x80b0,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs0_clk",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs0_div_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_mvs0c_clk = {
.halt_reg = 0x8064,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x8064,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs0c_clk",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs0c_div2_div_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_mvs1_clk = {
.halt_reg = 0x80d4,
.halt_check = BRANCH_HALT_SKIP,
.hwcg_reg = 0x80d4,
.hwcg_bit = 1,
.clkr = {
.enable_reg = 0x80d4,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs1_clk",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs1_div_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_mvs1c_clk = {
.halt_reg = 0x808c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x808c,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "video_cc_mvs1c_clk",
.parent_hws = (const struct clk_hw*[]) {
&video_cc_mvs1c_div2_div_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct gdsc video_cc_mvs0c_gdsc = {
.gdscr = 0x804c,
.en_rest_wait_val = 0x2,
.en_few_wait_val = 0x2,
.clk_dis_wait_val = 0x6,
.pd = {
.name = "video_cc_mvs0c_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
.flags = RETAIN_FF_ENABLE,
};
static struct gdsc video_cc_mvs0_gdsc = {
.gdscr = 0x809c,
.en_rest_wait_val = 0x2,
.en_few_wait_val = 0x2,
.clk_dis_wait_val = 0x6,
.pd = {
.name = "video_cc_mvs0_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
.parent = &video_cc_mvs0c_gdsc.pd,
.flags = RETAIN_FF_ENABLE | HW_CTRL,
};
static struct gdsc video_cc_mvs1c_gdsc = {
.gdscr = 0x8074,
.en_rest_wait_val = 0x2,
.en_few_wait_val = 0x2,
.clk_dis_wait_val = 0x6,
.pd = {
.name = "video_cc_mvs1c_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
.flags = RETAIN_FF_ENABLE,
};
static struct gdsc video_cc_mvs1_gdsc = {
.gdscr = 0x80c0,
.en_rest_wait_val = 0x2,
.en_few_wait_val = 0x2,
.clk_dis_wait_val = 0x6,
.pd = {
.name = "video_cc_mvs1_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
.parent = &video_cc_mvs1c_gdsc.pd,
.flags = RETAIN_FF_ENABLE | HW_CTRL,
};
static struct clk_regmap *video_cc_sm8450_clocks[] = {
[VIDEO_CC_MVS0_CLK] = &video_cc_mvs0_clk.clkr,
[VIDEO_CC_MVS0_CLK_SRC] = &video_cc_mvs0_clk_src.clkr,
[VIDEO_CC_MVS0_DIV_CLK_SRC] = &video_cc_mvs0_div_clk_src.clkr,
[VIDEO_CC_MVS0C_CLK] = &video_cc_mvs0c_clk.clkr,
[VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC] = &video_cc_mvs0c_div2_div_clk_src.clkr,
[VIDEO_CC_MVS1_CLK] = &video_cc_mvs1_clk.clkr,
[VIDEO_CC_MVS1_CLK_SRC] = &video_cc_mvs1_clk_src.clkr,
[VIDEO_CC_MVS1_DIV_CLK_SRC] = &video_cc_mvs1_div_clk_src.clkr,
[VIDEO_CC_MVS1C_CLK] = &video_cc_mvs1c_clk.clkr,
[VIDEO_CC_MVS1C_DIV2_DIV_CLK_SRC] = &video_cc_mvs1c_div2_div_clk_src.clkr,
[VIDEO_CC_PLL0] = &video_cc_pll0.clkr,
[VIDEO_CC_PLL1] = &video_cc_pll1.clkr,
};
static struct gdsc *video_cc_sm8450_gdscs[] = {
[VIDEO_CC_MVS0C_GDSC] = &video_cc_mvs0c_gdsc,
[VIDEO_CC_MVS0_GDSC] = &video_cc_mvs0_gdsc,
[VIDEO_CC_MVS1C_GDSC] = &video_cc_mvs1c_gdsc,
[VIDEO_CC_MVS1_GDSC] = &video_cc_mvs1_gdsc,
};
static const struct qcom_reset_map video_cc_sm8450_resets[] = {
[CVP_VIDEO_CC_INTERFACE_BCR] = { 0x80e0 },
[CVP_VIDEO_CC_MVS0_BCR] = { 0x8098 },
[CVP_VIDEO_CC_MVS0C_BCR] = { 0x8048 },
[CVP_VIDEO_CC_MVS1_BCR] = { 0x80bc },
[CVP_VIDEO_CC_MVS1C_BCR] = { 0x8070 },
[VIDEO_CC_MVS0C_CLK_ARES] = { 0x8064, 2 },
[VIDEO_CC_MVS1C_CLK_ARES] = { 0x808c, 2 },
};
static const struct regmap_config video_cc_sm8450_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x9f4c,
.fast_io = true,
};
static struct qcom_cc_desc video_cc_sm8450_desc = {
.config = &video_cc_sm8450_regmap_config,
.clks = video_cc_sm8450_clocks,
.num_clks = ARRAY_SIZE(video_cc_sm8450_clocks),
.resets = video_cc_sm8450_resets,
.num_resets = ARRAY_SIZE(video_cc_sm8450_resets),
.gdscs = video_cc_sm8450_gdscs,
.num_gdscs = ARRAY_SIZE(video_cc_sm8450_gdscs),
};
static const struct of_device_id video_cc_sm8450_match_table[] = {
{ .compatible = "qcom,sm8450-videocc" },
{ }
};
MODULE_DEVICE_TABLE(of, video_cc_sm8450_match_table);
static int video_cc_sm8450_probe(struct platform_device *pdev)
{
struct regmap *regmap;
int ret;
ret = devm_pm_runtime_enable(&pdev->dev);
if (ret)
return ret;
ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret)
return ret;
regmap = qcom_cc_map(pdev, &video_cc_sm8450_desc);
if (IS_ERR(regmap)) {
pm_runtime_put(&pdev->dev);
return PTR_ERR(regmap);
}
clk_lucid_evo_pll_configure(&video_cc_pll0, regmap, &video_cc_pll0_config);
clk_lucid_evo_pll_configure(&video_cc_pll1, regmap, &video_cc_pll1_config);
/*
* Keep clocks always enabled:
* video_cc_ahb_clk
* video_cc_sleep_clk
* video_cc_xo_clk
*/
regmap_update_bits(regmap, 0x80e4, BIT(0), BIT(0));
regmap_update_bits(regmap, 0x8130, BIT(0), BIT(0));
regmap_update_bits(regmap, 0x8114, BIT(0), BIT(0));
ret = qcom_cc_really_probe(pdev, &video_cc_sm8450_desc, regmap);
pm_runtime_put(&pdev->dev);
return ret;
}
static struct platform_driver video_cc_sm8450_driver = {
.probe = video_cc_sm8450_probe,
.driver = {
.name = "video_cc-sm8450",
.of_match_table = video_cc_sm8450_match_table,
},
};
static int __init video_cc_sm8450_init(void)
{
return platform_driver_register(&video_cc_sm8450_driver);
}
subsys_initcall(video_cc_sm8450_init);
static void __exit video_cc_sm8450_exit(void)
{
platform_driver_unregister(&video_cc_sm8450_driver);
}
module_exit(video_cc_sm8450_exit);
MODULE_DESCRIPTION("QTI VIDEOCC SM8450 Driver");
MODULE_LICENSE("GPL");
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