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linux/drivers/clk/meson/axg.c
Alexandre Mergnat 3a36044e7f clk: meson: clk-regmap: migrate to new parent description method 
This clock controller use the string comparison method to describe parent
relation between the clocks, which is not optimized.

Migrate to the new way by using .parent_hws where possible (ie. when
all clocks are local to the controller) and use .parent_data otherwise.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
2019-07-29 12:42:49 +02:00

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// SPDX-License-Identifier: GPL-2.0+
/*
* AmLogic Meson-AXG Clock Controller Driver
*
* Copyright (c) 2016 Baylibre SAS.
* Author: Michael Turquette <mturquette@baylibre.com>
*
* Copyright (c) 2017 Amlogic, inc.
* Author: Qiufang Dai <qiufang.dai@amlogic.com>
*/
#include <linux/clk-provider.h>
#include <linux/init.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include "clk-regmap.h"
#include "clk-pll.h"
#include "clk-mpll.h"
#include "axg.h"
#include "meson-eeclk.h"
static DEFINE_SPINLOCK(meson_clk_lock);
static struct clk_regmap axg_fixed_pll_dco = {
.data = &(struct meson_clk_pll_data){
.en = {
.reg_off = HHI_MPLL_CNTL,
.shift = 30,
.width = 1,
},
.m = {
.reg_off = HHI_MPLL_CNTL,
.shift = 0,
.width = 9,
},
.n = {
.reg_off = HHI_MPLL_CNTL,
.shift = 9,
.width = 5,
},
.frac = {
.reg_off = HHI_MPLL_CNTL2,
.shift = 0,
.width = 12,
},
.l = {
.reg_off = HHI_MPLL_CNTL,
.shift = 31,
.width = 1,
},
.rst = {
.reg_off = HHI_MPLL_CNTL,
.shift = 29,
.width = 1,
},
},
.hw.init = &(struct clk_init_data){
.name = "fixed_pll_dco",
.ops = &meson_clk_pll_ro_ops,
.parent_data = &(const struct clk_parent_data) {
.fw_name = "xtal",
},
.num_parents = 1,
},
};
static struct clk_regmap axg_fixed_pll = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_MPLL_CNTL,
.shift = 16,
.width = 2,
.flags = CLK_DIVIDER_POWER_OF_TWO,
},
.hw.init = &(struct clk_init_data){
.name = "fixed_pll",
.ops = &clk_regmap_divider_ro_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fixed_pll_dco.hw
},
.num_parents = 1,
/*
* This clock won't ever change at runtime so
* CLK_SET_RATE_PARENT is not required
*/
},
};
static struct clk_regmap axg_sys_pll_dco = {
.data = &(struct meson_clk_pll_data){
.en = {
.reg_off = HHI_SYS_PLL_CNTL,
.shift = 30,
.width = 1,
},
.m = {
.reg_off = HHI_SYS_PLL_CNTL,
.shift = 0,
.width = 9,
},
.n = {
.reg_off = HHI_SYS_PLL_CNTL,
.shift = 9,
.width = 5,
},
.l = {
.reg_off = HHI_SYS_PLL_CNTL,
.shift = 31,
.width = 1,
},
.rst = {
.reg_off = HHI_SYS_PLL_CNTL,
.shift = 29,
.width = 1,
},
},
.hw.init = &(struct clk_init_data){
.name = "sys_pll_dco",
.ops = &meson_clk_pll_ro_ops,
.parent_data = &(const struct clk_parent_data) {
.fw_name = "xtal",
},
.num_parents = 1,
},
};
static struct clk_regmap axg_sys_pll = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_SYS_PLL_CNTL,
.shift = 16,
.width = 2,
.flags = CLK_DIVIDER_POWER_OF_TWO,
},
.hw.init = &(struct clk_init_data){
.name = "sys_pll",
.ops = &clk_regmap_divider_ro_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_sys_pll_dco.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static const struct pll_params_table axg_gp0_pll_params_table[] = {
PLL_PARAMS(40, 1),
PLL_PARAMS(41, 1),
PLL_PARAMS(42, 1),
PLL_PARAMS(43, 1),
PLL_PARAMS(44, 1),
PLL_PARAMS(45, 1),
PLL_PARAMS(46, 1),
PLL_PARAMS(47, 1),
PLL_PARAMS(48, 1),
PLL_PARAMS(49, 1),
PLL_PARAMS(50, 1),
PLL_PARAMS(51, 1),
PLL_PARAMS(52, 1),
PLL_PARAMS(53, 1),
PLL_PARAMS(54, 1),
PLL_PARAMS(55, 1),
PLL_PARAMS(56, 1),
PLL_PARAMS(57, 1),
PLL_PARAMS(58, 1),
PLL_PARAMS(59, 1),
PLL_PARAMS(60, 1),
PLL_PARAMS(61, 1),
PLL_PARAMS(62, 1),
PLL_PARAMS(63, 1),
PLL_PARAMS(64, 1),
PLL_PARAMS(65, 1),
PLL_PARAMS(66, 1),
PLL_PARAMS(67, 1),
PLL_PARAMS(68, 1),
{ /* sentinel */ },
};
static const struct reg_sequence axg_gp0_init_regs[] = {
{ .reg = HHI_GP0_PLL_CNTL1, .def = 0xc084b000 },
{ .reg = HHI_GP0_PLL_CNTL2, .def = 0xb75020be },
{ .reg = HHI_GP0_PLL_CNTL3, .def = 0x0a59a288 },
{ .reg = HHI_GP0_PLL_CNTL4, .def = 0xc000004d },
{ .reg = HHI_GP0_PLL_CNTL5, .def = 0x00078000 },
};
static struct clk_regmap axg_gp0_pll_dco = {
.data = &(struct meson_clk_pll_data){
.en = {
.reg_off = HHI_GP0_PLL_CNTL,
.shift = 30,
.width = 1,
},
.m = {
.reg_off = HHI_GP0_PLL_CNTL,
.shift = 0,
.width = 9,
},
.n = {
.reg_off = HHI_GP0_PLL_CNTL,
.shift = 9,
.width = 5,
},
.frac = {
.reg_off = HHI_GP0_PLL_CNTL1,
.shift = 0,
.width = 10,
},
.l = {
.reg_off = HHI_GP0_PLL_CNTL,
.shift = 31,
.width = 1,
},
.rst = {
.reg_off = HHI_GP0_PLL_CNTL,
.shift = 29,
.width = 1,
},
.table = axg_gp0_pll_params_table,
.init_regs = axg_gp0_init_regs,
.init_count = ARRAY_SIZE(axg_gp0_init_regs),
},
.hw.init = &(struct clk_init_data){
.name = "gp0_pll_dco",
.ops = &meson_clk_pll_ops,
.parent_data = &(const struct clk_parent_data) {
.fw_name = "xtal",
},
.num_parents = 1,
},
};
static struct clk_regmap axg_gp0_pll = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_GP0_PLL_CNTL,
.shift = 16,
.width = 2,
.flags = CLK_DIVIDER_POWER_OF_TWO,
},
.hw.init = &(struct clk_init_data){
.name = "gp0_pll",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_gp0_pll_dco.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static const struct reg_sequence axg_hifi_init_regs[] = {
{ .reg = HHI_HIFI_PLL_CNTL1, .def = 0xc084b000 },
{ .reg = HHI_HIFI_PLL_CNTL2, .def = 0xb75020be },
{ .reg = HHI_HIFI_PLL_CNTL3, .def = 0x0a6a3a88 },
{ .reg = HHI_HIFI_PLL_CNTL4, .def = 0xc000004d },
{ .reg = HHI_HIFI_PLL_CNTL5, .def = 0x00058000 },
};
static struct clk_regmap axg_hifi_pll_dco = {
.data = &(struct meson_clk_pll_data){
.en = {
.reg_off = HHI_HIFI_PLL_CNTL,
.shift = 30,
.width = 1,
},
.m = {
.reg_off = HHI_HIFI_PLL_CNTL,
.shift = 0,
.width = 9,
},
.n = {
.reg_off = HHI_HIFI_PLL_CNTL,
.shift = 9,
.width = 5,
},
.frac = {
.reg_off = HHI_HIFI_PLL_CNTL5,
.shift = 0,
.width = 13,
},
.l = {
.reg_off = HHI_HIFI_PLL_CNTL,
.shift = 31,
.width = 1,
},
.rst = {
.reg_off = HHI_HIFI_PLL_CNTL,
.shift = 29,
.width = 1,
},
.table = axg_gp0_pll_params_table,
.init_regs = axg_hifi_init_regs,
.init_count = ARRAY_SIZE(axg_hifi_init_regs),
.flags = CLK_MESON_PLL_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "hifi_pll_dco",
.ops = &meson_clk_pll_ops,
.parent_data = &(const struct clk_parent_data) {
.fw_name = "xtal",
},
.num_parents = 1,
},
};
static struct clk_regmap axg_hifi_pll = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_HIFI_PLL_CNTL,
.shift = 16,
.width = 2,
.flags = CLK_DIVIDER_POWER_OF_TWO,
},
.hw.init = &(struct clk_init_data){
.name = "hifi_pll",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_hifi_pll_dco.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_fixed_factor axg_fclk_div2_div = {
.mult = 1,
.div = 2,
.hw.init = &(struct clk_init_data){
.name = "fclk_div2_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_fixed_pll.hw },
.num_parents = 1,
},
};
static struct clk_regmap axg_fclk_div2 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL6,
.bit_idx = 27,
},
.hw.init = &(struct clk_init_data){
.name = "fclk_div2",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fclk_div2_div.hw
},
.num_parents = 1,
.flags = CLK_IS_CRITICAL,
},
};
static struct clk_fixed_factor axg_fclk_div3_div = {
.mult = 1,
.div = 3,
.hw.init = &(struct clk_init_data){
.name = "fclk_div3_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_fixed_pll.hw },
.num_parents = 1,
},
};
static struct clk_regmap axg_fclk_div3 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL6,
.bit_idx = 28,
},
.hw.init = &(struct clk_init_data){
.name = "fclk_div3",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fclk_div3_div.hw
},
.num_parents = 1,
/*
* FIXME:
* This clock, as fdiv2, is used by the SCPI FW and is required
* by the platform to operate correctly.
* Until the following condition are met, we need this clock to
* be marked as critical:
* a) The SCPI generic driver claims and enable all the clocks
* it needs
* b) CCF has a clock hand-off mechanism to make the sure the
* clock stays on until the proper driver comes along
*/
.flags = CLK_IS_CRITICAL,
},
};
static struct clk_fixed_factor axg_fclk_div4_div = {
.mult = 1,
.div = 4,
.hw.init = &(struct clk_init_data){
.name = "fclk_div4_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_fixed_pll.hw },
.num_parents = 1,
},
};
static struct clk_regmap axg_fclk_div4 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL6,
.bit_idx = 29,
},
.hw.init = &(struct clk_init_data){
.name = "fclk_div4",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fclk_div4_div.hw
},
.num_parents = 1,
},
};
static struct clk_fixed_factor axg_fclk_div5_div = {
.mult = 1,
.div = 5,
.hw.init = &(struct clk_init_data){
.name = "fclk_div5_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_fixed_pll.hw },
.num_parents = 1,
},
};
static struct clk_regmap axg_fclk_div5 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL6,
.bit_idx = 30,
},
.hw.init = &(struct clk_init_data){
.name = "fclk_div5",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fclk_div5_div.hw
},
.num_parents = 1,
},
};
static struct clk_fixed_factor axg_fclk_div7_div = {
.mult = 1,
.div = 7,
.hw.init = &(struct clk_init_data){
.name = "fclk_div7_div",
.ops = &clk_fixed_factor_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fixed_pll.hw
},
.num_parents = 1,
},
};
static struct clk_regmap axg_fclk_div7 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL6,
.bit_idx = 31,
},
.hw.init = &(struct clk_init_data){
.name = "fclk_div7",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fclk_div7_div.hw
},
.num_parents = 1,
},
};
static struct clk_regmap axg_mpll_prediv = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_MPLL_CNTL5,
.shift = 12,
.width = 1,
},
.hw.init = &(struct clk_init_data){
.name = "mpll_prediv",
.ops = &clk_regmap_divider_ro_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_fixed_pll.hw
},
.num_parents = 1,
},
};
static struct clk_regmap axg_mpll0_div = {
.data = &(struct meson_clk_mpll_data){
.sdm = {
.reg_off = HHI_MPLL_CNTL7,
.shift = 0,
.width = 14,
},
.sdm_en = {
.reg_off = HHI_MPLL_CNTL7,
.shift = 15,
.width = 1,
},
.n2 = {
.reg_off = HHI_MPLL_CNTL7,
.shift = 16,
.width = 9,
},
.misc = {
.reg_off = HHI_PLL_TOP_MISC,
.shift = 0,
.width = 1,
},
.lock = &meson_clk_lock,
.flags = CLK_MESON_MPLL_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "mpll0_div",
.ops = &meson_clk_mpll_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll_prediv.hw
},
.num_parents = 1,
},
};
static struct clk_regmap axg_mpll0 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL7,
.bit_idx = 14,
},
.hw.init = &(struct clk_init_data){
.name = "mpll0",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll0_div.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_mpll1_div = {
.data = &(struct meson_clk_mpll_data){
.sdm = {
.reg_off = HHI_MPLL_CNTL8,
.shift = 0,
.width = 14,
},
.sdm_en = {
.reg_off = HHI_MPLL_CNTL8,
.shift = 15,
.width = 1,
},
.n2 = {
.reg_off = HHI_MPLL_CNTL8,
.shift = 16,
.width = 9,
},
.misc = {
.reg_off = HHI_PLL_TOP_MISC,
.shift = 1,
.width = 1,
},
.lock = &meson_clk_lock,
.flags = CLK_MESON_MPLL_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "mpll1_div",
.ops = &meson_clk_mpll_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll_prediv.hw
},
.num_parents = 1,
},
};
static struct clk_regmap axg_mpll1 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL8,
.bit_idx = 14,
},
.hw.init = &(struct clk_init_data){
.name = "mpll1",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll1_div.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_mpll2_div = {
.data = &(struct meson_clk_mpll_data){
.sdm = {
.reg_off = HHI_MPLL_CNTL9,
.shift = 0,
.width = 14,
},
.sdm_en = {
.reg_off = HHI_MPLL_CNTL9,
.shift = 15,
.width = 1,
},
.n2 = {
.reg_off = HHI_MPLL_CNTL9,
.shift = 16,
.width = 9,
},
.ssen = {
.reg_off = HHI_MPLL_CNTL,
.shift = 25,
.width = 1,
},
.misc = {
.reg_off = HHI_PLL_TOP_MISC,
.shift = 2,
.width = 1,
},
.lock = &meson_clk_lock,
.flags = CLK_MESON_MPLL_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "mpll2_div",
.ops = &meson_clk_mpll_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll_prediv.hw
},
.num_parents = 1,
},
};
static struct clk_regmap axg_mpll2 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL_CNTL9,
.bit_idx = 14,
},
.hw.init = &(struct clk_init_data){
.name = "mpll2",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll2_div.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_mpll3_div = {
.data = &(struct meson_clk_mpll_data){
.sdm = {
.reg_off = HHI_MPLL3_CNTL0,
.shift = 12,
.width = 14,
},
.sdm_en = {
.reg_off = HHI_MPLL3_CNTL0,
.shift = 11,
.width = 1,
},
.n2 = {
.reg_off = HHI_MPLL3_CNTL0,
.shift = 2,
.width = 9,
},
.misc = {
.reg_off = HHI_PLL_TOP_MISC,
.shift = 3,
.width = 1,
},
.lock = &meson_clk_lock,
.flags = CLK_MESON_MPLL_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "mpll3_div",
.ops = &meson_clk_mpll_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll_prediv.hw
},
.num_parents = 1,
},
};
static struct clk_regmap axg_mpll3 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPLL3_CNTL0,
.bit_idx = 0,
},
.hw.init = &(struct clk_init_data){
.name = "mpll3",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpll3_div.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static const struct pll_params_table axg_pcie_pll_params_table[] = {
{
.m = 200,
.n = 3,
},
{ /* sentinel */ },
};
static const struct reg_sequence axg_pcie_init_regs[] = {
{ .reg = HHI_PCIE_PLL_CNTL1, .def = 0x0084a2aa },
{ .reg = HHI_PCIE_PLL_CNTL2, .def = 0xb75020be },
{ .reg = HHI_PCIE_PLL_CNTL3, .def = 0x0a47488e },
{ .reg = HHI_PCIE_PLL_CNTL4, .def = 0xc000004d },
{ .reg = HHI_PCIE_PLL_CNTL5, .def = 0x00078000 },
{ .reg = HHI_PCIE_PLL_CNTL6, .def = 0x002323c6 },
{ .reg = HHI_PCIE_PLL_CNTL, .def = 0x400106c8 },
};
static struct clk_regmap axg_pcie_pll_dco = {
.data = &(struct meson_clk_pll_data){
.en = {
.reg_off = HHI_PCIE_PLL_CNTL,
.shift = 30,
.width = 1,
},
.m = {
.reg_off = HHI_PCIE_PLL_CNTL,
.shift = 0,
.width = 9,
},
.n = {
.reg_off = HHI_PCIE_PLL_CNTL,
.shift = 9,
.width = 5,
},
.frac = {
.reg_off = HHI_PCIE_PLL_CNTL1,
.shift = 0,
.width = 12,
},
.l = {
.reg_off = HHI_PCIE_PLL_CNTL,
.shift = 31,
.width = 1,
},
.rst = {
.reg_off = HHI_PCIE_PLL_CNTL,
.shift = 29,
.width = 1,
},
.table = axg_pcie_pll_params_table,
.init_regs = axg_pcie_init_regs,
.init_count = ARRAY_SIZE(axg_pcie_init_regs),
},
.hw.init = &(struct clk_init_data){
.name = "pcie_pll_dco",
.ops = &meson_clk_pll_ops,
.parent_data = &(const struct clk_parent_data) {
.fw_name = "xtal",
},
.num_parents = 1,
},
};
static struct clk_regmap axg_pcie_pll_od = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_PCIE_PLL_CNTL,
.shift = 16,
.width = 2,
.flags = CLK_DIVIDER_POWER_OF_TWO,
},
.hw.init = &(struct clk_init_data){
.name = "pcie_pll_od",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_pcie_pll_dco.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_pcie_pll = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_PCIE_PLL_CNTL6,
.shift = 6,
.width = 2,
.flags = CLK_DIVIDER_POWER_OF_TWO,
},
.hw.init = &(struct clk_init_data){
.name = "pcie_pll",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_pcie_pll_od.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_pcie_mux = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_PCIE_PLL_CNTL6,
.mask = 0x1,
.shift = 2,
/* skip the parent mpll3, reserved for debug */
.table = (u32[]){ 1 },
},
.hw.init = &(struct clk_init_data){
.name = "pcie_mux",
.ops = &clk_regmap_mux_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_pcie_pll.hw },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_pcie_ref = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_PCIE_PLL_CNTL6,
.mask = 0x1,
.shift = 1,
/* skip the parent 0, reserved for debug */
.table = (u32[]){ 1 },
},
.hw.init = &(struct clk_init_data){
.name = "pcie_ref",
.ops = &clk_regmap_mux_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_pcie_mux.hw },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_pcie_cml_en0 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_PCIE_PLL_CNTL6,
.bit_idx = 4,
},
.hw.init = &(struct clk_init_data) {
.name = "pcie_cml_en0",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_pcie_ref.hw },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_pcie_cml_en1 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_PCIE_PLL_CNTL6,
.bit_idx = 3,
},
.hw.init = &(struct clk_init_data) {
.name = "pcie_cml_en1",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) { &axg_pcie_ref.hw },
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 };
static const struct clk_parent_data clk81_parent_data[] = {
{ .fw_name = "xtal", },
{ .hw = &axg_fclk_div7.hw },
{ .hw = &axg_mpll1.hw },
{ .hw = &axg_mpll2.hw },
{ .hw = &axg_fclk_div4.hw },
{ .hw = &axg_fclk_div3.hw },
{ .hw = &axg_fclk_div5.hw },
};
static struct clk_regmap axg_mpeg_clk_sel = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_MPEG_CLK_CNTL,
.mask = 0x7,
.shift = 12,
.table = mux_table_clk81,
},
.hw.init = &(struct clk_init_data){
.name = "mpeg_clk_sel",
.ops = &clk_regmap_mux_ro_ops,
.parent_data = clk81_parent_data,
.num_parents = ARRAY_SIZE(clk81_parent_data),
},
};
static struct clk_regmap axg_mpeg_clk_div = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_MPEG_CLK_CNTL,
.shift = 0,
.width = 7,
},
.hw.init = &(struct clk_init_data){
.name = "mpeg_clk_div",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpeg_clk_sel.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_clk81 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_MPEG_CLK_CNTL,
.bit_idx = 7,
},
.hw.init = &(struct clk_init_data){
.name = "clk81",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_mpeg_clk_div.hw
},
.num_parents = 1,
.flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
},
};
static const struct clk_parent_data axg_sd_emmc_clk0_parent_data[] = {
{ .fw_name = "xtal", },
{ .hw = &axg_fclk_div2.hw },
{ .hw = &axg_fclk_div3.hw },
{ .hw = &axg_fclk_div5.hw },
{ .hw = &axg_fclk_div7.hw },
/*
* Following these parent clocks, we should also have had mpll2, mpll3
* and gp0_pll but these clocks are too precious to be used here. All
* the necessary rates for MMC and NAND operation can be acheived using
* xtal or fclk_div clocks
*/
};
/* SDcard clock */
static struct clk_regmap axg_sd_emmc_b_clk0_sel = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_SD_EMMC_CLK_CNTL,
.mask = 0x7,
.shift = 25,
},
.hw.init = &(struct clk_init_data) {
.name = "sd_emmc_b_clk0_sel",
.ops = &clk_regmap_mux_ops,
.parent_data = axg_sd_emmc_clk0_parent_data,
.num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_data),
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_sd_emmc_b_clk0_div = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_SD_EMMC_CLK_CNTL,
.shift = 16,
.width = 7,
.flags = CLK_DIVIDER_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data) {
.name = "sd_emmc_b_clk0_div",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_sd_emmc_b_clk0_sel.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_sd_emmc_b_clk0 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_SD_EMMC_CLK_CNTL,
.bit_idx = 23,
},
.hw.init = &(struct clk_init_data){
.name = "sd_emmc_b_clk0",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_sd_emmc_b_clk0_div.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
/* EMMC/NAND clock */
static struct clk_regmap axg_sd_emmc_c_clk0_sel = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_NAND_CLK_CNTL,
.mask = 0x7,
.shift = 9,
},
.hw.init = &(struct clk_init_data) {
.name = "sd_emmc_c_clk0_sel",
.ops = &clk_regmap_mux_ops,
.parent_data = axg_sd_emmc_clk0_parent_data,
.num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_data),
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_sd_emmc_c_clk0_div = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_NAND_CLK_CNTL,
.shift = 0,
.width = 7,
.flags = CLK_DIVIDER_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data) {
.name = "sd_emmc_c_clk0_div",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_sd_emmc_c_clk0_sel.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_sd_emmc_c_clk0 = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_NAND_CLK_CNTL,
.bit_idx = 7,
},
.hw.init = &(struct clk_init_data){
.name = "sd_emmc_c_clk0",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_sd_emmc_c_clk0_div.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static u32 mux_table_gen_clk[] = { 0, 4, 5, 6, 7, 8,
9, 10, 11, 13, 14, };
static const struct clk_parent_data gen_clk_parent_data[] = {
{ .fw_name = "xtal", },
{ .hw = &axg_hifi_pll.hw },
{ .hw = &axg_mpll0.hw },
{ .hw = &axg_mpll1.hw },
{ .hw = &axg_mpll2.hw },
{ .hw = &axg_mpll3.hw },
{ .hw = &axg_fclk_div4.hw },
{ .hw = &axg_fclk_div3.hw },
{ .hw = &axg_fclk_div5.hw },
{ .hw = &axg_fclk_div7.hw },
{ .hw = &axg_gp0_pll.hw },
};
static struct clk_regmap axg_gen_clk_sel = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_GEN_CLK_CNTL,
.mask = 0xf,
.shift = 12,
.table = mux_table_gen_clk,
},
.hw.init = &(struct clk_init_data){
.name = "gen_clk_sel",
.ops = &clk_regmap_mux_ops,
/*
* bits 15:12 selects from 14 possible parents:
* xtal, [rtc_oscin_i], [sys_cpu_div16], [ddr_dpll_pt],
* hifi_pll, mpll0, mpll1, mpll2, mpll3, fdiv4,
* fdiv3, fdiv5, [cts_msr_clk], fdiv7, gp0_pll
*/
.parent_data = gen_clk_parent_data,
.num_parents = ARRAY_SIZE(gen_clk_parent_data),
},
};
static struct clk_regmap axg_gen_clk_div = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_GEN_CLK_CNTL,
.shift = 0,
.width = 11,
},
.hw.init = &(struct clk_init_data){
.name = "gen_clk_div",
.ops = &clk_regmap_divider_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_gen_clk_sel.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
static struct clk_regmap axg_gen_clk = {
.data = &(struct clk_regmap_gate_data){
.offset = HHI_GEN_CLK_CNTL,
.bit_idx = 7,
},
.hw.init = &(struct clk_init_data){
.name = "gen_clk",
.ops = &clk_regmap_gate_ops,
.parent_hws = (const struct clk_hw *[]) {
&axg_gen_clk_div.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};
#define MESON_GATE(_name, _reg, _bit) \
MESON_PCLK(_name, _reg, _bit, &axg_clk81.hw)
/* Everything Else (EE) domain gates */
static MESON_GATE(axg_ddr, HHI_GCLK_MPEG0, 0);
static MESON_GATE(axg_audio_locker, HHI_GCLK_MPEG0, 2);
static MESON_GATE(axg_mipi_dsi_host, HHI_GCLK_MPEG0, 3);
static MESON_GATE(axg_isa, HHI_GCLK_MPEG0, 5);
static MESON_GATE(axg_pl301, HHI_GCLK_MPEG0, 6);
static MESON_GATE(axg_periphs, HHI_GCLK_MPEG0, 7);
static MESON_GATE(axg_spicc_0, HHI_GCLK_MPEG0, 8);
static MESON_GATE(axg_i2c, HHI_GCLK_MPEG0, 9);
static MESON_GATE(axg_rng0, HHI_GCLK_MPEG0, 12);
static MESON_GATE(axg_uart0, HHI_GCLK_MPEG0, 13);
static MESON_GATE(axg_mipi_dsi_phy, HHI_GCLK_MPEG0, 14);
static MESON_GATE(axg_spicc_1, HHI_GCLK_MPEG0, 15);
static MESON_GATE(axg_pcie_a, HHI_GCLK_MPEG0, 16);
static MESON_GATE(axg_pcie_b, HHI_GCLK_MPEG0, 17);
static MESON_GATE(axg_hiu_reg, HHI_GCLK_MPEG0, 19);
static MESON_GATE(axg_assist_misc, HHI_GCLK_MPEG0, 23);
static MESON_GATE(axg_emmc_b, HHI_GCLK_MPEG0, 25);
static MESON_GATE(axg_emmc_c, HHI_GCLK_MPEG0, 26);
static MESON_GATE(axg_dma, HHI_GCLK_MPEG0, 27);
static MESON_GATE(axg_spi, HHI_GCLK_MPEG0, 30);
static MESON_GATE(axg_audio, HHI_GCLK_MPEG1, 0);
static MESON_GATE(axg_eth_core, HHI_GCLK_MPEG1, 3);
static MESON_GATE(axg_uart1, HHI_GCLK_MPEG1, 16);
static MESON_GATE(axg_g2d, HHI_GCLK_MPEG1, 20);
static MESON_GATE(axg_usb0, HHI_GCLK_MPEG1, 21);
static MESON_GATE(axg_usb1, HHI_GCLK_MPEG1, 22);
static MESON_GATE(axg_reset, HHI_GCLK_MPEG1, 23);
static MESON_GATE(axg_usb_general, HHI_GCLK_MPEG1, 26);
static MESON_GATE(axg_ahb_arb0, HHI_GCLK_MPEG1, 29);
static MESON_GATE(axg_efuse, HHI_GCLK_MPEG1, 30);
static MESON_GATE(axg_boot_rom, HHI_GCLK_MPEG1, 31);
static MESON_GATE(axg_ahb_data_bus, HHI_GCLK_MPEG2, 1);
static MESON_GATE(axg_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2);
static MESON_GATE(axg_usb1_to_ddr, HHI_GCLK_MPEG2, 8);
static MESON_GATE(axg_usb0_to_ddr, HHI_GCLK_MPEG2, 9);
static MESON_GATE(axg_mmc_pclk, HHI_GCLK_MPEG2, 11);
static MESON_GATE(axg_vpu_intr, HHI_GCLK_MPEG2, 25);
static MESON_GATE(axg_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26);
static MESON_GATE(axg_gic, HHI_GCLK_MPEG2, 30);
static MESON_GATE(axg_mipi_enable, HHI_MIPI_CNTL0, 29);
/* Always On (AO) domain gates */
static MESON_GATE(axg_ao_media_cpu, HHI_GCLK_AO, 0);
static MESON_GATE(axg_ao_ahb_sram, HHI_GCLK_AO, 1);
static MESON_GATE(axg_ao_ahb_bus, HHI_GCLK_AO, 2);
static MESON_GATE(axg_ao_iface, HHI_GCLK_AO, 3);
static MESON_GATE(axg_ao_i2c, HHI_GCLK_AO, 4);
/* Array of all clocks provided by this provider */
static struct clk_hw_onecell_data axg_hw_onecell_data = {
.hws = {
[CLKID_SYS_PLL] = &axg_sys_pll.hw,
[CLKID_FIXED_PLL] = &axg_fixed_pll.hw,
[CLKID_FCLK_DIV2] = &axg_fclk_div2.hw,
[CLKID_FCLK_DIV3] = &axg_fclk_div3.hw,
[CLKID_FCLK_DIV4] = &axg_fclk_div4.hw,
[CLKID_FCLK_DIV5] = &axg_fclk_div5.hw,
[CLKID_FCLK_DIV7] = &axg_fclk_div7.hw,
[CLKID_GP0_PLL] = &axg_gp0_pll.hw,
[CLKID_MPEG_SEL] = &axg_mpeg_clk_sel.hw,
[CLKID_MPEG_DIV] = &axg_mpeg_clk_div.hw,
[CLKID_CLK81] = &axg_clk81.hw,
[CLKID_MPLL0] = &axg_mpll0.hw,
[CLKID_MPLL1] = &axg_mpll1.hw,
[CLKID_MPLL2] = &axg_mpll2.hw,
[CLKID_MPLL3] = &axg_mpll3.hw,
[CLKID_DDR] = &axg_ddr.hw,
[CLKID_AUDIO_LOCKER] = &axg_audio_locker.hw,
[CLKID_MIPI_DSI_HOST] = &axg_mipi_dsi_host.hw,
[CLKID_ISA] = &axg_isa.hw,
[CLKID_PL301] = &axg_pl301.hw,
[CLKID_PERIPHS] = &axg_periphs.hw,
[CLKID_SPICC0] = &axg_spicc_0.hw,
[CLKID_I2C] = &axg_i2c.hw,
[CLKID_RNG0] = &axg_rng0.hw,
[CLKID_UART0] = &axg_uart0.hw,
[CLKID_MIPI_DSI_PHY] = &axg_mipi_dsi_phy.hw,
[CLKID_SPICC1] = &axg_spicc_1.hw,
[CLKID_PCIE_A] = &axg_pcie_a.hw,
[CLKID_PCIE_B] = &axg_pcie_b.hw,
[CLKID_HIU_IFACE] = &axg_hiu_reg.hw,
[CLKID_ASSIST_MISC] = &axg_assist_misc.hw,
[CLKID_SD_EMMC_B] = &axg_emmc_b.hw,
[CLKID_SD_EMMC_C] = &axg_emmc_c.hw,
[CLKID_DMA] = &axg_dma.hw,
[CLKID_SPI] = &axg_spi.hw,
[CLKID_AUDIO] = &axg_audio.hw,
[CLKID_ETH] = &axg_eth_core.hw,
[CLKID_UART1] = &axg_uart1.hw,
[CLKID_G2D] = &axg_g2d.hw,
[CLKID_USB0] = &axg_usb0.hw,
[CLKID_USB1] = &axg_usb1.hw,
[CLKID_RESET] = &axg_reset.hw,
[CLKID_USB] = &axg_usb_general.hw,
[CLKID_AHB_ARB0] = &axg_ahb_arb0.hw,
[CLKID_EFUSE] = &axg_efuse.hw,
[CLKID_BOOT_ROM] = &axg_boot_rom.hw,
[CLKID_AHB_DATA_BUS] = &axg_ahb_data_bus.hw,
[CLKID_AHB_CTRL_BUS] = &axg_ahb_ctrl_bus.hw,
[CLKID_USB1_DDR_BRIDGE] = &axg_usb1_to_ddr.hw,
[CLKID_USB0_DDR_BRIDGE] = &axg_usb0_to_ddr.hw,
[CLKID_MMC_PCLK] = &axg_mmc_pclk.hw,
[CLKID_VPU_INTR] = &axg_vpu_intr.hw,
[CLKID_SEC_AHB_AHB3_BRIDGE] = &axg_sec_ahb_ahb3_bridge.hw,
[CLKID_GIC] = &axg_gic.hw,
[CLKID_AO_MEDIA_CPU] = &axg_ao_media_cpu.hw,
[CLKID_AO_AHB_SRAM] = &axg_ao_ahb_sram.hw,
[CLKID_AO_AHB_BUS] = &axg_ao_ahb_bus.hw,
[CLKID_AO_IFACE] = &axg_ao_iface.hw,
[CLKID_AO_I2C] = &axg_ao_i2c.hw,
[CLKID_SD_EMMC_B_CLK0_SEL] = &axg_sd_emmc_b_clk0_sel.hw,
[CLKID_SD_EMMC_B_CLK0_DIV] = &axg_sd_emmc_b_clk0_div.hw,
[CLKID_SD_EMMC_B_CLK0] = &axg_sd_emmc_b_clk0.hw,
[CLKID_SD_EMMC_C_CLK0_SEL] = &axg_sd_emmc_c_clk0_sel.hw,
[CLKID_SD_EMMC_C_CLK0_DIV] = &axg_sd_emmc_c_clk0_div.hw,
[CLKID_SD_EMMC_C_CLK0] = &axg_sd_emmc_c_clk0.hw,
[CLKID_MPLL0_DIV] = &axg_mpll0_div.hw,
[CLKID_MPLL1_DIV] = &axg_mpll1_div.hw,
[CLKID_MPLL2_DIV] = &axg_mpll2_div.hw,
[CLKID_MPLL3_DIV] = &axg_mpll3_div.hw,
[CLKID_HIFI_PLL] = &axg_hifi_pll.hw,
[CLKID_MPLL_PREDIV] = &axg_mpll_prediv.hw,
[CLKID_FCLK_DIV2_DIV] = &axg_fclk_div2_div.hw,
[CLKID_FCLK_DIV3_DIV] = &axg_fclk_div3_div.hw,
[CLKID_FCLK_DIV4_DIV] = &axg_fclk_div4_div.hw,
[CLKID_FCLK_DIV5_DIV] = &axg_fclk_div5_div.hw,
[CLKID_FCLK_DIV7_DIV] = &axg_fclk_div7_div.hw,
[CLKID_PCIE_PLL] = &axg_pcie_pll.hw,
[CLKID_PCIE_MUX] = &axg_pcie_mux.hw,
[CLKID_PCIE_REF] = &axg_pcie_ref.hw,
[CLKID_PCIE_CML_EN0] = &axg_pcie_cml_en0.hw,
[CLKID_PCIE_CML_EN1] = &axg_pcie_cml_en1.hw,
[CLKID_MIPI_ENABLE] = &axg_mipi_enable.hw,
[CLKID_GEN_CLK_SEL] = &axg_gen_clk_sel.hw,
[CLKID_GEN_CLK_DIV] = &axg_gen_clk_div.hw,
[CLKID_GEN_CLK] = &axg_gen_clk.hw,
[CLKID_SYS_PLL_DCO] = &axg_sys_pll_dco.hw,
[CLKID_FIXED_PLL_DCO] = &axg_fixed_pll_dco.hw,
[CLKID_GP0_PLL_DCO] = &axg_gp0_pll_dco.hw,
[CLKID_HIFI_PLL_DCO] = &axg_hifi_pll_dco.hw,
[CLKID_PCIE_PLL_DCO] = &axg_pcie_pll_dco.hw,
[CLKID_PCIE_PLL_OD] = &axg_pcie_pll_od.hw,
[NR_CLKS] = NULL,
},
.num = NR_CLKS,
};
/* Convenience table to populate regmap in .probe */
static struct clk_regmap *const axg_clk_regmaps[] = {
&axg_clk81,
&axg_ddr,
&axg_audio_locker,
&axg_mipi_dsi_host,
&axg_isa,
&axg_pl301,
&axg_periphs,
&axg_spicc_0,
&axg_i2c,
&axg_rng0,
&axg_uart0,
&axg_mipi_dsi_phy,
&axg_spicc_1,
&axg_pcie_a,
&axg_pcie_b,
&axg_hiu_reg,
&axg_assist_misc,
&axg_emmc_b,
&axg_emmc_c,
&axg_dma,
&axg_spi,
&axg_audio,
&axg_eth_core,
&axg_uart1,
&axg_g2d,
&axg_usb0,
&axg_usb1,
&axg_reset,
&axg_usb_general,
&axg_ahb_arb0,
&axg_efuse,
&axg_boot_rom,
&axg_ahb_data_bus,
&axg_ahb_ctrl_bus,
&axg_usb1_to_ddr,
&axg_usb0_to_ddr,
&axg_mmc_pclk,
&axg_vpu_intr,
&axg_sec_ahb_ahb3_bridge,
&axg_gic,
&axg_ao_media_cpu,
&axg_ao_ahb_sram,
&axg_ao_ahb_bus,
&axg_ao_iface,
&axg_ao_i2c,
&axg_sd_emmc_b_clk0,
&axg_sd_emmc_c_clk0,
&axg_mpeg_clk_div,
&axg_sd_emmc_b_clk0_div,
&axg_sd_emmc_c_clk0_div,
&axg_mpeg_clk_sel,
&axg_sd_emmc_b_clk0_sel,
&axg_sd_emmc_c_clk0_sel,
&axg_mpll0,
&axg_mpll1,
&axg_mpll2,
&axg_mpll3,
&axg_mpll0_div,
&axg_mpll1_div,
&axg_mpll2_div,
&axg_mpll3_div,
&axg_fixed_pll,
&axg_sys_pll,
&axg_gp0_pll,
&axg_hifi_pll,
&axg_mpll_prediv,
&axg_fclk_div2,
&axg_fclk_div3,
&axg_fclk_div4,
&axg_fclk_div5,
&axg_fclk_div7,
&axg_pcie_pll_dco,
&axg_pcie_pll_od,
&axg_pcie_pll,
&axg_pcie_mux,
&axg_pcie_ref,
&axg_pcie_cml_en0,
&axg_pcie_cml_en1,
&axg_mipi_enable,
&axg_gen_clk_sel,
&axg_gen_clk_div,
&axg_gen_clk,
&axg_fixed_pll_dco,
&axg_sys_pll_dco,
&axg_gp0_pll_dco,
&axg_hifi_pll_dco,
&axg_pcie_pll_dco,
&axg_pcie_pll_od,
};
static const struct meson_eeclkc_data axg_clkc_data = {
.regmap_clks = axg_clk_regmaps,
.regmap_clk_num = ARRAY_SIZE(axg_clk_regmaps),
.hw_onecell_data = &axg_hw_onecell_data,
};
static const struct of_device_id clkc_match_table[] = {
{ .compatible = "amlogic,axg-clkc", .data = &axg_clkc_data },
{}
};
static struct platform_driver axg_driver = {
.probe = meson_eeclkc_probe,
.driver = {
.name = "axg-clkc",
.of_match_table = clkc_match_table,
},
};
builtin_platform_driver(axg_driver);
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