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clk: qcom: Add TCSR clock driver for x1e80100

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The TCSR clock controller found on X1E80100 provides refclks
for PCIE, USB and UFS. Add clock driver for it.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240202-x1e80100-clock-controllers-v4-9-7fb08c861c7c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Abel Vesa 2024-02-02 20:34:44 +02:00 committed by Bjorn Andersson
parent acddef6e17
commit 06aff11619
3 changed files with 294 additions and 0 deletions
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8
drivers/clk/qcom/Kconfig
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@ -49,6 +49,14 @@ config CLK_X1E80100_GPUCC
Say Y if you want to support graphics controller devices and
functionality such as 3D graphics.
config CLK_X1E80100_TCSRCC
tristate "X1E80100 TCSR Clock Controller"
depends on ARM64 || COMPILE_TEST
select QCOM_GDSC
help
Support for the TCSR clock controller on X1E80100 devices.
Say Y if you want to use peripheral devices such as SD/UFS.
config QCOM_A53PLL
tristate "MSM8916 A53 PLL"
help

1
drivers/clk/qcom/Makefile
View File

@ -24,6 +24,7 @@ obj-$(CONFIG_CLK_GFM_LPASS_SM8250) += lpass-gfm-sm8250.o
obj-$(CONFIG_CLK_X1E80100_DISPCC) += dispcc-x1e80100.o
obj-$(CONFIG_CLK_X1E80100_GCC) += gcc-x1e80100.o
obj-$(CONFIG_CLK_X1E80100_GPUCC) += gpucc-x1e80100.o
obj-$(CONFIG_CLK_X1E80100_TCSRCC) += tcsrcc-x1e80100.o
obj-$(CONFIG_IPQ_APSS_PLL) += apss-ipq-pll.o
obj-$(CONFIG_IPQ_APSS_6018) += apss-ipq6018.o
obj-$(CONFIG_IPQ_GCC_4019) += gcc-ipq4019.o

285
drivers/clk/qcom/tcsrcc-x1e80100.c Normal file
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@ -0,0 +1,285 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023, Linaro Limited
*/
#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,x1e80100-tcsr.h>
#include "clk-branch.h"
#include "clk-regmap.h"
#include "common.h"
#include "reset.h"
enum {
DT_BI_TCXO_PAD,
};
static struct clk_branch tcsr_edp_clkref_en = {
.halt_reg = 0x15130,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15130,
.enable_mask = BIT(0),
.hw.init = &(const struct clk_init_data) {
.name = "tcsr_edp_clkref_en",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_pcie_2l_4_clkref_en = {
.halt_reg = 0x15100,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15100,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_pcie_2l_4_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_pcie_2l_5_clkref_en = {
.halt_reg = 0x15104,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15104,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_pcie_2l_5_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_pcie_8l_clkref_en = {
.halt_reg = 0x15108,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15108,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_pcie_8l_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_usb3_mp0_clkref_en = {
.halt_reg = 0x1510c,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x1510c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_usb3_mp0_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_usb3_mp1_clkref_en = {
.halt_reg = 0x15110,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15110,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_usb3_mp1_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_usb2_1_clkref_en = {
.halt_reg = 0x15114,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15114,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_usb2_1_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_ufs_phy_clkref_en = {
.halt_reg = 0x15118,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15118,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_ufs_phy_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_usb4_1_clkref_en = {
.halt_reg = 0x15120,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15120,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_usb4_1_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_usb4_2_clkref_en = {
.halt_reg = 0x15124,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15124,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_usb4_2_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_usb2_2_clkref_en = {
.halt_reg = 0x15128,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x15128,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_usb2_2_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch tcsr_pcie_4l_clkref_en = {
.halt_reg = 0x1512c,
.halt_check = BRANCH_HALT_DELAY,
.clkr = {
.enable_reg = 0x1512c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "tcsr_pcie_4l_clkref_en",
.parent_data = &(const struct clk_parent_data){
.index = DT_BI_TCXO_PAD,
},
.num_parents = 1,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_regmap *tcsr_cc_x1e80100_clocks[] = {
[TCSR_EDP_CLKREF_EN] = &tcsr_edp_clkref_en.clkr,
[TCSR_PCIE_2L_4_CLKREF_EN] = &tcsr_pcie_2l_4_clkref_en.clkr,
[TCSR_PCIE_2L_5_CLKREF_EN] = &tcsr_pcie_2l_5_clkref_en.clkr,
[TCSR_PCIE_8L_CLKREF_EN] = &tcsr_pcie_8l_clkref_en.clkr,
[TCSR_USB3_MP0_CLKREF_EN] = &tcsr_usb3_mp0_clkref_en.clkr,
[TCSR_USB3_MP1_CLKREF_EN] = &tcsr_usb3_mp1_clkref_en.clkr,
[TCSR_USB2_1_CLKREF_EN] = &tcsr_usb2_1_clkref_en.clkr,
[TCSR_UFS_PHY_CLKREF_EN] = &tcsr_ufs_phy_clkref_en.clkr,
[TCSR_USB4_1_CLKREF_EN] = &tcsr_usb4_1_clkref_en.clkr,
[TCSR_USB4_2_CLKREF_EN] = &tcsr_usb4_2_clkref_en.clkr,
[TCSR_USB2_2_CLKREF_EN] = &tcsr_usb2_2_clkref_en.clkr,
[TCSR_PCIE_4L_CLKREF_EN] = &tcsr_pcie_4l_clkref_en.clkr,
};
static const struct regmap_config tcsr_cc_x1e80100_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x2f000,
.fast_io = true,
};
static const struct qcom_cc_desc tcsr_cc_x1e80100_desc = {
.config = &tcsr_cc_x1e80100_regmap_config,
.clks = tcsr_cc_x1e80100_clocks,
.num_clks = ARRAY_SIZE(tcsr_cc_x1e80100_clocks),
};
static const struct of_device_id tcsr_cc_x1e80100_match_table[] = {
{ .compatible = "qcom,x1e80100-tcsr" },
{ }
};
MODULE_DEVICE_TABLE(of, tcsr_cc_x1e80100_match_table);
static int tcsr_cc_x1e80100_probe(struct platform_device *pdev)
{
return qcom_cc_probe(pdev, &tcsr_cc_x1e80100_desc);
}
static struct platform_driver tcsr_cc_x1e80100_driver = {
.probe = tcsr_cc_x1e80100_probe,
.driver = {
.name = "tcsrcc-x1e80100",
.of_match_table = tcsr_cc_x1e80100_match_table,
},
};
static int __init tcsr_cc_x1e80100_init(void)
{
return platform_driver_register(&tcsr_cc_x1e80100_driver);
}
subsys_initcall(tcsr_cc_x1e80100_init);
static void __exit tcsr_cc_x1e80100_exit(void)
{
platform_driver_unregister(&tcsr_cc_x1e80100_driver);
}
module_exit(tcsr_cc_x1e80100_exit);
MODULE_DESCRIPTION("QTI TCSR Clock Controller X1E80100 Driver");
MODULE_LICENSE("GPL");