On Thu 28 Sep 2023 at 14:34, Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx> wrote: > Add the C3 PLL clock controller driver for the Amlogic C3 SoC family. > > Signed-off-by: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx> > --- > drivers/clk/meson/Kconfig | 12 + > drivers/clk/meson/Makefile | 1 + > drivers/clk/meson/c3-pll.c | 510 +++++++++++++++++++++++++++++++++++++ > drivers/clk/meson/c3-pll.h | 35 +++ > 4 files changed, 558 insertions(+) > create mode 100644 drivers/clk/meson/c3-pll.c > create mode 100644 drivers/clk/meson/c3-pll.h > > diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig > index c5303e4c1604..76be4bbd2afb 100644 > --- a/drivers/clk/meson/Kconfig > +++ b/drivers/clk/meson/Kconfig > @@ -128,6 +128,18 @@ config COMMON_CLK_A1_PERIPHERALS > device, A1 SoC Family. Say Y if you want A1 Peripherals clock > controller to work. > > +config COMMON_CLK_C3_PLL > + tristate "Amlogic C3 PLL clock controller" > + default y > + select COMMON_CLK_MESON_REGMAP > + select COMMON_CLK_MESON_PLL > + select COMMON_CLK_MESON_CLKC_UTILS > + help > + Support for the PLL clock controller on Amlogic C302X and C308L devices, > + AKA c3. Amlogic C302X and C308L devices include AW402, AW409 and AW419. > + Say Y if you want the board to work, because PLLs are the parent of most > + peripherals. > + > config COMMON_CLK_G12A > tristate "G12 and SM1 SoC clock controllers support" > depends on ARM64 > diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile > index 9ee4b954c896..4420af628b31 100644 > --- a/drivers/clk/meson/Makefile > +++ b/drivers/clk/meson/Makefile > @@ -19,6 +19,7 @@ obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o > obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o > obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o > obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o > +obj-$(CONFIG_COMMON_CLK_C3_PLL) += c3-pll.o > obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o > obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o > obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o > diff --git a/drivers/clk/meson/c3-pll.c b/drivers/clk/meson/c3-pll.c > new file mode 100644 > index 000000000000..5244dc19ab6e > --- /dev/null > +++ b/drivers/clk/meson/c3-pll.c > @@ -0,0 +1,510 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Amlogic C3 PLL Controller Driver > + * > + * Copyright (c) 2023 Amlogic, inc. > + * Author: Chuan Liu <chuan.liu@xxxxxxxxxxx> If Chuan is Author, shouldn't get his Signed-off-by ? Maybe Co-developed-by as well ? > + */ > + > +#include <linux/clk-provider.h> > +#include <linux/of_device.h> > +#include <linux/platform_device.h> > +#include <linux/clk.h> > +#include "clk-regmap.h" > +#include "clk-pll.h" > +#include "c3-pll.h" > +#include "meson-clkc-utils.h" > +#include <dt-bindings/clock/amlogic,c3-pll-clkc.h> > + > +#define MEMBER_REG_PARM(_member_name, _reg, _shift, _width) \ > + ._member_name = { \ > + .reg_off = _reg, \ > + .shift = _shift, \ > + .width = _width, \ > +} > + > +#define __AML_CLK_PLL(_name, _en_reg, _en_shift, _en_width, \ > + _m_reg, _m_shift, _m_width, \ > + _f_reg, _f_shift, _f_width, \ > + _n_reg, _n_shift, _n_width, \ > + _l_reg, _l_shift, _l_width, \ > + _r_reg, _r_shift, _r_width, \ > + _init_reg, _init_reg_cnt, _range, _table, \ > + _dflags, _ops, _pname, _pdata, _phw, _iflags) \ > +static struct clk_regmap _name = { \ > + .data = &(struct meson_clk_pll_data){ \ > + MEMBER_REG_PARM(en, \ > + _en_reg, _en_shift, _en_width), \ > + MEMBER_REG_PARM(m, \ > + _m_reg, _m_shift, _m_width), \ > + MEMBER_REG_PARM(frac, \ > + _f_reg, _f_shift, _f_width), \ > + MEMBER_REG_PARM(n, \ > + _n_reg, _n_shift, _n_width), \ > + MEMBER_REG_PARM(l, \ > + _l_reg, _l_shift, _l_width), \ > + MEMBER_REG_PARM(rst, \ > + _r_reg, _r_shift, _r_width), \ > + .range = _range, \ > + .table = _table, \ > + .init_regs = _init_reg, \ > + .init_count = _init_reg_cnt, \ > + .flags = _dflags, \ > + }, \ > + .hw.init = &(struct clk_init_data){ \ > + .name = #_name, \ > + .ops = _ops, \ > + .parent_names = _pname, \ > + .parent_data = _pdata, \ > + .parent_hws = (const struct clk_hw *[]) {_phw}, \ > + .num_parents = 1, \ > + .flags = _iflags, \ > + }, \ > +} > + > +#define __AML_CLK_MUX(_name, _reg, _mask, _shift, _table, _dflags, \ > + _ops, _pname, _pdata, _phw, _pnub, _iflags) \ > +static struct clk_regmap _name = { \ > + .data = &(struct clk_regmap_mux_data){ \ > + .offset = _reg, \ > + .mask = _mask, \ > + .shift = _shift, \ > + .table = _table, \ > + .flags = _dflags, \ > + }, \ > + .hw.init = &(struct clk_init_data){ \ > + .name = #_name, \ > + .ops = _ops, \ > + .parent_names = _pname, \ > + .parent_data = _pdata, \ > + .parent_hws = (const struct clk_hw *[]) { _phw }, \ > + .num_parents = _pnub, \ > + .flags = _iflags, \ > + }, \ > +} > + > +#define __AML_CLK_DIV(_name, _reg, _shift, _width, _table, _dflags, \ > + _ops, _pname, _pdata, _phw, _iflags) \ > +static struct clk_regmap _name = { \ > + .data = &(struct clk_regmap_div_data){ \ > + .offset = _reg, \ > + .shift = _shift, \ > + .width = _width, \ > + .table = _table, \ > + .flags = _dflags, \ > + }, \ > + .hw.init = &(struct clk_init_data){ \ > + .name = #_name, \ > + .ops = _ops, \ > + .parent_names = _pname, \ > + .parent_data = _pdata, \ > + .parent_hws = (const struct clk_hw *[]) { _phw }, \ > + .num_parents = 1, \ > + .flags = _iflags, \ > + }, \ > +} > + > +#define __AML_CLK_GATE(_name, _reg, _bit, _gflags, \ > + _ops, _pname, _pdata, _phw, _iflags) \ > +static struct clk_regmap _name = { \ > + .data = &(struct clk_regmap_gate_data){ \ > + .offset = _reg, \ > + .bit_idx = _bit, \ > + .flags = _gflags, \ > + }, \ > + .hw.init = &(struct clk_init_data) { \ > + .name = #_name, \ > + .ops = _ops, \ > + .parent_names = _pname, \ > + .parent_data = _pdata, \ > + .parent_hws = (const struct clk_hw *[]) { _phw }, \ > + .num_parents = 1, \ > + .flags = _iflags, \ > + }, \ > +} > + > +#define __AML_CLK_FIXED_FACTOR(_name, _mult, _div, _ops, \ > + _pname, _pdata, _phw, _iflags) \ > + static struct clk_fixed_factor _name = { \ > + .mult = _mult, \ > + .div = _div, \ > + .hw.init = &(struct clk_init_data){ \ > + .name = #_name, \ > + .ops = _ops, \ > + .parent_names = _pname, \ > + .parent_data = _pdata, \ > + .parent_hws = (const struct clk_hw *[]) { _phw }, \ > + .num_parents = 1, \ > + .flags = _iflags, \ > + }, \ > +} > + > +#define AML_CLK_PLL_RW(_name, _en_reg, _en_shift, _en_width, \ > + _m_reg, _m_shift, _m_width, \ > + _f_reg, _f_shift, _f_width, \ > + _n_reg, _n_shift, _n_width, \ > + _l_reg, _l_shift, _l_width, \ > + _r_reg, _r_shift, _r_width, \ > + _init_reg, _init_reg_cnt, _range, _table, _dflags,\ > + _pdata, _iflags) \ > + __AML_CLK_PLL(_name, _en_reg, _en_shift, _en_width, \ > + _m_reg, _m_shift, _m_width, \ > + _f_reg, _f_shift, _f_width, \ > + _n_reg, _n_shift, _n_width, \ > + _l_reg, _l_shift, _l_width, \ > + _r_reg, _r_shift, _r_width, \ > + _init_reg, _init_reg_cnt, _range, _table, \ > + _dflags, &meson_clk_pll_ops, \ > + NULL, _pdata, NULL, _iflags) > + > +#define AML_CLK_PLL_RO(_name, _en_reg, _en_shift, _en_width, \ > + _m_reg, _m_shift, _m_width, \ > + _f_reg, _f_shift, _f_width, \ > + _n_reg, _n_shift, _n_width, \ > + _l_reg, _l_shift, _l_width, \ > + _r_reg, _r_shift, _r_width, \ > + _init_reg, _init_reg_cnt, _range, _table, \ > + _dflags, _pdata, _iflags) \ > + __AML_CLK_PLL(_name, _en_reg, _en_shift, _en_width, \ > + _m_reg, _m_shift, _m_width, \ > + _f_reg, _f_shift, _f_width, \ > + _n_reg, _n_shift, _n_width, \ > + _l_reg, _l_shift, _l_width, \ > + _r_reg, _r_shift, _r_width, \ > + _init_reg, _init_reg_cnt, _range, _table, \ > + _dflags, &meson_clk_pll_ro_ops, \ > + NULL, _pdata, NULL, _iflags) > + > +#define AML_CLK_MUX_RW(_name, _reg, _mask, _shift, _table, _dflags, \ > + _pdata, _iflags) \ > + __AML_CLK_MUX(_name, _reg, _mask, _shift, _table, _dflags, \ > + &clk_regmap_mux_ops, NULL, _pdata, NULL, \ > + ARRAY_SIZE(_pdata), _iflags) > + > +#define AML_CLK_DIV_RW(_name, _reg, _shift, _width, _table, _dflags, \ > + _phw, _iflags) \ > + __AML_CLK_DIV(_name, _reg, _shift, _width, _table, _dflags, \ > + &clk_regmap_divider_ops, NULL, NULL, \ > + _phw, _iflags) > + > +#define AML_CLK_DIV_RO(_name, _reg, _shift, _width, _table, _dflags, \ > + _phw, _iflags) \ > + __AML_CLK_DIV(_name, _reg, _shift, _width, _table, _dflags, \ > + &clk_regmap_divider_ro_ops, NULL, NULL, \ > + _phw, _iflags) > + > +#define AML_CLK_GATE_RW(_name, _reg, _bit, _dflags, _phw, _iflags) \ > + __AML_CLK_GATE(_name, _reg, _bit, _dflags, \ > + &clk_regmap_gate_ops, NULL, NULL, _phw, \ > + _iflags) > + > +#define AML_CLK_GATE_RO(_name, _reg, _bit, _dflags, _phw, _iflags) \ > + __AML_CLK_GATE(_name, _reg, _bit, _dflags, \ > + &clk_regmap_gate_ro_ops, NULL, NULL, _phw, \ > + _iflags) > + > +#define AML_CLK_FIXED_FACTOR(_name, _mult, _div, _phw, _iflags) \ > + __AML_CLK_FIXED_FACTOR(_name, _mult, _div, \ > + &clk_fixed_factor_ops, NULL, NULL, \ > + _phw, _iflags) > + I don't get why all these macro are needed ? I don't see a 10 instances of the very same clock that would justify this. It makes this driver borderline un-reviewable. Unless you can provide a very reason why it is better like this, please have a look a the a1 and s4 controllers and re-submit. Same goes for patch #4 > +static const struct clk_parent_data pll_dco_parent = { > + .fw_name = "pll_in", > +}; > + > +static const struct clk_parent_data mclk_pll_dco_parent = { > + .fw_name = "mclk_pll_in", > +}; > + > +AML_CLK_PLL_RO(fixed_pll_dco, ANACTRL_FIXPLL_CTRL0, 28, 1, /* en */ > + ANACTRL_FIXPLL_CTRL0, 0, 8, /* m */ > + 0, 0, 0, /* frac */ > + ANACTRL_FIXPLL_CTRL0, 16, 5, /* n */ > + ANACTRL_FIXPLL_CTRL0, 31, 1, /* lock */ > + ANACTRL_FIXPLL_CTRL0, 29, 1, /* rst */ > + NULL, 0, NULL, NULL, 0, &pll_dco_parent, 0); > +AML_CLK_DIV_RO(fixed_pll, ANACTRL_FIXPLL_CTRL0, 12, 3, NULL, > + CLK_DIVIDER_POWER_OF_TWO, &fixed_pll_dco.hw, 0); > +AML_CLK_FIXED_FACTOR(fclk_div40_div, 1, 40, &fixed_pll.hw, 0); > +AML_CLK_GATE_RO(fclk_div40, ANACTRL_FIXPLL_CTRL4, 0, 0, &fclk_div40_div.hw, 0); > +AML_CLK_FIXED_FACTOR(fclk_div2_div, 1, 2, &fixed_pll.hw, 0); > +AML_CLK_GATE_RO(fclk_div2, ANACTRL_FIXPLL_CTRL4, 24, 0, &fclk_div2_div.hw, 0); > +AML_CLK_FIXED_FACTOR(fclk_div2p5_div, 2, 5, &fixed_pll.hw, 0); > +AML_CLK_GATE_RO(fclk_div2p5, ANACTRL_FIXPLL_CTRL4, 4, 0, &fclk_div2p5_div.hw, 0); > +AML_CLK_FIXED_FACTOR(fclk_div3_div, 1, 3, &fixed_pll.hw, 0); > +AML_CLK_GATE_RO(fclk_div3, ANACTRL_FIXPLL_CTRL4, 20, 0, &fclk_div3_div.hw, 0); > +AML_CLK_FIXED_FACTOR(fclk_div4_div, 1, 4, &fixed_pll.hw, 0); > +AML_CLK_GATE_RO(fclk_div4, ANACTRL_FIXPLL_CTRL4, 21, 0, &fclk_div4_div.hw, 0); > +AML_CLK_FIXED_FACTOR(fclk_div5_div, 1, 5, &fixed_pll.hw, 0); > +AML_CLK_GATE_RO(fclk_div5, ANACTRL_FIXPLL_CTRL4, 22, 0, &fclk_div5_div.hw, 0); > +AML_CLK_FIXED_FACTOR(fclk_div7_div, 1, 7, &fixed_pll.hw, 0); > +AML_CLK_GATE_RO(fclk_div7, ANACTRL_FIXPLL_CTRL4, 23, 0, &fclk_div7_div.hw, 0); > + > +static const struct reg_sequence c3_gp0_init_regs[] = { > + { .reg = ANACTRL_GP0PLL_CTRL1, .def = 0x0 }, > + { .reg = ANACTRL_GP0PLL_CTRL2, .def = 0x0 }, > + { .reg = ANACTRL_GP0PLL_CTRL3, .def = 0x48681c00 }, > + { .reg = ANACTRL_GP0PLL_CTRL4, .def = 0x88770290 }, > + { .reg = ANACTRL_GP0PLL_CTRL5, .def = 0x3927200a }, > + { .reg = ANACTRL_GP0PLL_CTRL6, .def = 0x56540000, .delay_us = 10 }, > + { .reg = ANACTRL_GP0PLL_CTRL0, .def = 0x080304fa }, > + { .reg = ANACTRL_GP0PLL_CTRL0, .def = 0x380304fa, .delay_us = 10 }, > + { .reg = ANACTRL_GP0PLL_CTRL0, .def = 0X180304fa } > +}; > + > +static const struct pll_params_table c3_gp0_pll_params_table[] = { > + PLL_PARAMS(150, 1), /* DCO = 3600M */ > + PLL_PARAMS(130, 1), /* DCO = 3120M */ > + PLL_PARAMS(192, 1), /* DCO = 4608M */ > + PLL_PARAMS(125, 1), /* DCO = 3000M */ > + { /* sentinel */ } > +}; > + > +/* The maximum frequency divider supports is 32, not 128(2^7) */ > +static const struct clk_div_table c3_gp0_pll_od_table[] = { > + { 0, 1 }, > + { 1, 2 }, > + { 2, 4 }, > + { 3, 8 }, > + { 4, 16 }, > + { 5, 32 }, > + { /* sentinel */ } > +}; > + > +AML_CLK_PLL_RW(gp0_pll_dco, ANACTRL_GP0PLL_CTRL0, 28, 1, /* en */ > + ANACTRL_GP0PLL_CTRL0, 0, 9, /* m */ > + ANACTRL_GP0PLL_CTRL1, 0, 19, /* frac */ > + ANACTRL_GP0PLL_CTRL0, 10, 5, /* n */ > + ANACTRL_GP0PLL_CTRL0, 31, 1, /* lock */ > + ANACTRL_GP0PLL_CTRL0, 29, 1, /* rst */ > + c3_gp0_init_regs, ARRAY_SIZE(c3_gp0_init_regs), > + NULL, c3_gp0_pll_params_table, 0, > + &pll_dco_parent, 0); > +AML_CLK_DIV_RW(gp0_pll, ANACTRL_GP0PLL_CTRL0, 16, 3, > + c3_gp0_pll_od_table, 0, > + &gp0_pll_dco.hw, CLK_SET_RATE_PARENT); > + > +static const struct reg_sequence c3_hifi_init_regs[] = { > + { .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x08010496 }, > + { .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x38010496 }, > + { .reg = ANACTRL_HIFIPLL_CTRL1, .def = 0x0000ce40 }, > + { .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x00000000 }, > + { .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x6a285c00 }, > + { .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 }, > + { .reg = ANACTRL_HIFIPLL_CTRL5, .def = 0x3927200a }, > + { .reg = ANACTRL_HIFIPLL_CTRL6, .def = 0x56540000, .delay_us = 50 }, > + { .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x18010496, .delay_us = 20 }, > +}; > + > +static const struct pll_params_table c3_hifi_pll_params_table[] = { > + PLL_PARAMS(150, 1), /* DCO = 3600M */ > + PLL_PARAMS(130, 1), /* DCO = 3120M */ > + PLL_PARAMS(192, 1), /* DCO = 4608M */ > + PLL_PARAMS(125, 1), /* DCO = 3000M */ > + { /* sentinel */ } > +}; > + > +AML_CLK_PLL_RW(hifi_pll_dco, ANACTRL_HIFIPLL_CTRL0, 28, 1, /* en */ > + ANACTRL_HIFIPLL_CTRL0, 0, 8, /* m */ > + ANACTRL_HIFIPLL_CTRL1, 0, 19, /* frac */ > + ANACTRL_HIFIPLL_CTRL0, 10, 5, /* n */ > + ANACTRL_HIFIPLL_CTRL0, 31, 1, /* lock */ > + ANACTRL_HIFIPLL_CTRL0, 29, 1, /* rst */ > + c3_hifi_init_regs, ARRAY_SIZE(c3_hifi_init_regs), > + NULL, c3_hifi_pll_params_table, 0, > + &pll_dco_parent, 0); > +AML_CLK_DIV_RW(hifi_pll, ANACTRL_HIFIPLL_CTRL0, 16, 2, > + NULL, CLK_DIVIDER_POWER_OF_TWO, > + &hifi_pll_dco.hw, CLK_SET_RATE_PARENT); > + > +static const struct reg_sequence c3_mclk_init_regs[] = { > + { .reg = ANACTRL_MPLL_CTRL0, .def = 0x20011063 }, > + { .reg = ANACTRL_MPLL_CTRL0, .def = 0x30011063 }, > + { .reg = ANACTRL_MPLL_CTRL1, .def = 0x1420500f }, > + { .reg = ANACTRL_MPLL_CTRL2, .def = 0x00023041 }, > + { .reg = ANACTRL_MPLL_CTRL3, .def = 0x18180000 }, > + { .reg = ANACTRL_MPLL_CTRL0, .def = 0x10011063 }, > + { .reg = ANACTRL_MPLL_CTRL2, .def = 0x00023001 } > +}; > + > +static const struct pll_params_table c3_mclk_pll_params_table[] = { > + PLL_PARAMS(99, 1), /* VCO = 2376M */ > + { /* sentinel */ } > +}; > + > +static const struct clk_div_table c3_mpll_od_table[] = { > + { 0, 1 }, > + { 1, 2 }, > + { 2, 4 }, > + { 3, 8 }, > + { 4, 16 }, > + { /* sentinel */ } > +}; > + > +AML_CLK_PLL_RW(mclk_pll_dco, ANACTRL_MPLL_CTRL0, 28, 1, /* en */ > + ANACTRL_MPLL_CTRL0, 0, 8, /* m */ > + 0, 0, 0, /* frac */ > + ANACTRL_MPLL_CTRL0, 16, 5, /* n */ > + ANACTRL_MPLL_CTRL0, 31, 1, /* lock */ > + ANACTRL_MPLL_CTRL0, 29, 1, /* rst */ > + c3_mclk_init_regs, ARRAY_SIZE(c3_mclk_init_regs), > + NULL, c3_mclk_pll_params_table, 0, > + &mclk_pll_dco_parent, 0); > +AML_CLK_DIV_RW(mclk_pll, ANACTRL_MPLL_CTRL0, 12, 3, > + c3_mpll_od_table, 0, > + &mclk_pll_dco.hw, CLK_SET_RATE_PARENT); > +AML_CLK_DIV_RW(mclk_pll_clk, ANACTRL_MPLL_CTRL4, 16, 5, NULL, > + CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, > + &mclk_pll.hw, CLK_SET_RATE_PARENT); > + > +static const struct clk_parent_data mclk_parent[] = { > + { .hw = &mclk_pll_clk.hw }, > + { .fw_name = "mclk_pll_in" }, > + { .hw = &fclk_div40.hw } > +}; > + > +AML_CLK_MUX_RW(mclk0_sel, ANACTRL_MPLL_CTRL4, 0x3, 4, NULL, 0, > + mclk_parent, 0); > +AML_CLK_GATE_RW(mclk0_sel_out, ANACTRL_MPLL_CTRL4, 1, 0, > + &mclk0_sel.hw, CLK_SET_RATE_PARENT); > +AML_CLK_DIV_RW(mclk0_div, ANACTRL_MPLL_CTRL4, 2, 1, NULL, 0, > + &mclk0_sel_out.hw, CLK_SET_RATE_PARENT); > +AML_CLK_GATE_RW(mclk0, ANACTRL_MPLL_CTRL4, 0, 0, > + &mclk0_div.hw, CLK_SET_RATE_PARENT); > + > +AML_CLK_MUX_RW(mclk1_sel, ANACTRL_MPLL_CTRL4, 0x3, 12, NULL, 0, > + mclk_parent, 0); > +AML_CLK_GATE_RW(mclk1_sel_out, ANACTRL_MPLL_CTRL4, 9, 0, > + &mclk1_sel.hw, CLK_SET_RATE_PARENT); > +AML_CLK_DIV_RW(mclk1_div, ANACTRL_MPLL_CTRL4, 10, 1, NULL, 0, > + &mclk1_sel_out.hw, CLK_SET_RATE_PARENT); > +AML_CLK_GATE_RW(mclk1, ANACTRL_MPLL_CTRL4, 8, 0, > + &mclk1_div.hw, CLK_SET_RATE_PARENT); > + > +static struct clk_hw *c3_pll_hw_clks[] = { > + [CLKID_FIXED_PLL_DCO] = &fixed_pll_dco.hw, > + [CLKID_FIXED_PLL] = &fixed_pll.hw, > + [CLKID_FCLK_DIV40_DIV] = &fclk_div40_div.hw, > + [CLKID_FCLK_DIV40] = &fclk_div40.hw, > + [CLKID_FCLK_DIV2_DIV] = &fclk_div2_div.hw, > + [CLKID_FCLK_DIV2] = &fclk_div2.hw, > + [CLKID_FCLK_DIV2P5_DIV] = &fclk_div2p5_div.hw, > + [CLKID_FCLK_DIV2P5] = &fclk_div2p5.hw, > + [CLKID_FCLK_DIV3_DIV] = &fclk_div3_div.hw, > + [CLKID_FCLK_DIV3] = &fclk_div3.hw, > + [CLKID_FCLK_DIV4_DIV] = &fclk_div4_div.hw, > + [CLKID_FCLK_DIV4] = &fclk_div4.hw, > + [CLKID_FCLK_DIV5_DIV] = &fclk_div5_div.hw, > + [CLKID_FCLK_DIV5] = &fclk_div5.hw, > + [CLKID_FCLK_DIV7_DIV] = &fclk_div7_div.hw, > + [CLKID_FCLK_DIV7] = &fclk_div7.hw, > + [CLKID_GP0_PLL_DCO] = &gp0_pll_dco.hw, > + [CLKID_GP0_PLL] = &gp0_pll.hw, > + [CLKID_HIFI_PLL_DCO] = &hifi_pll_dco.hw, > + [CLKID_HIFI_PLL] = &hifi_pll.hw, > + [CLKID_MCLK_PLL_DCO] = &mclk_pll_dco.hw, > + [CLKID_MCLK_PLL] = &mclk_pll.hw, > + [CLKID_MCLK_PLL_CLK] = &mclk_pll_clk.hw, > + [CLKID_MCLK0_SEL] = &mclk0_sel.hw, > + [CLKID_MCLK0_SEL_OUT] = &mclk0_sel_out.hw, > + [CLKID_MCLK0_DIV] = &mclk0_div.hw, > + [CLKID_MCLK0] = &mclk0.hw, > + [CLKID_MCLK1_SEL] = &mclk1_sel.hw, > + [CLKID_MCLK1_SEL_OUT] = &mclk1_sel_out.hw, > + [CLKID_MCLK1_DIV] = &mclk1_div.hw, > + [CLKID_MCLK1] = &mclk1.hw > +}; > + > +/* Convenience table to populate regmap in .probe */ > +static struct clk_regmap *const c3_pll_clk_regmaps[] = { > + &fixed_pll_dco, > + &fixed_pll, > + &fclk_div40, > + &fclk_div2, > + &fclk_div2p5, > + &fclk_div3, > + &fclk_div4, > + &fclk_div5, > + &fclk_div7, > + &gp0_pll_dco, > + &gp0_pll, > + &hifi_pll_dco, > + &hifi_pll, > + &mclk_pll_dco, > + &mclk_pll, > + &mclk_pll_clk, > + &mclk0_sel, > + &mclk0_sel_out, > + &mclk0_div, > + &mclk0, > + &mclk1_sel, > + &mclk1_sel_out, > + &mclk1_div, > + &mclk1, > +}; > + > +static struct regmap_config clkc_regmap_config = { > + .reg_bits = 32, > + .val_bits = 32, > + .reg_stride = 4, > +}; > + > +static struct meson_clk_hw_data c3_pll_clks = { > + .hws = c3_pll_hw_clks, > + .num = ARRAY_SIZE(c3_pll_hw_clks), > +}; > + > +static int aml_c3_pll_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct regmap *regmap; > + void __iomem *base; > + int clkid, ret, i; > + > + base = devm_platform_ioremap_resource(pdev, 0); > + if (IS_ERR(base)) > + return PTR_ERR(base); > + > + regmap = devm_regmap_init_mmio(dev, base, &clkc_regmap_config); > + if (IS_ERR(regmap)) > + return PTR_ERR(regmap); > + > + /* Populate regmap for the regmap backed clocks */ > + for (i = 0; i < ARRAY_SIZE(c3_pll_clk_regmaps); i++) > + c3_pll_clk_regmaps[i]->map = regmap; > + > + for (clkid = 0; clkid < c3_pll_clks.num; clkid++) { > + /* array might be sparse */ > + if (!c3_pll_clks.hws[clkid]) > + continue; > + > + ret = devm_clk_hw_register(dev, c3_pll_clks.hws[clkid]); > + if (ret) { > + dev_err(dev, "Clock registration failed\n"); > + return ret; > + } > + } > + > + return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get, > + &c3_pll_clks); > +} > + > +static const struct of_device_id c3_pll_clkc_match_table[] = { > + { > + .compatible = "amlogic,c3-pll-clkc", > + }, > + {} > +}; > +MODULE_DEVICE_TABLE(of, c3_pll_clkc_match_table); > + > +static struct platform_driver c3_pll_driver = { > + .probe = aml_c3_pll_probe, > + .driver = { > + .name = "c3-pll-clkc", > + .of_match_table = c3_pll_clkc_match_table, > + }, > +}; > + > +module_platform_driver(c3_pll_driver); > +MODULE_AUTHOR("Chuan Liu <chuan.liu@xxxxxxxxxxx>"); > +MODULE_LICENSE("GPL"); > diff --git a/drivers/clk/meson/c3-pll.h b/drivers/clk/meson/c3-pll.h > new file mode 100644 > index 000000000000..92a08196a46f > --- /dev/null > +++ b/drivers/clk/meson/c3-pll.h > @@ -0,0 +1,35 @@ > +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */ > +/* > + * Copyright (c) 2023 Amlogic, inc. > + * Author: Chuan Liu <chuan.liu@xxxxxxxxxxx> > + */ > + > +#ifndef __AML_C3_PLL_H__ > +#define __AML_C3_PLL_H__ > + > +#define ANACTRL_FIXPLL_CTRL0 0x0040 > +#define ANACTRL_FIXPLL_CTRL4 0x0050 > +#define ANACTRL_GP0PLL_CTRL0 0x0080 > +#define ANACTRL_GP0PLL_CTRL1 0x0084 > +#define ANACTRL_GP0PLL_CTRL2 0x0088 > +#define ANACTRL_GP0PLL_CTRL3 0x008c > +#define ANACTRL_GP0PLL_CTRL4 0x0090 > +#define ANACTRL_GP0PLL_CTRL5 0x0094 > +#define ANACTRL_GP0PLL_CTRL6 0x0098 > +#define ANACTRL_GP0PLL_STS 0x009c > +#define ANACTRL_HIFIPLL_CTRL0 0x0100 > +#define ANACTRL_HIFIPLL_CTRL1 0x0104 > +#define ANACTRL_HIFIPLL_CTRL2 0x0108 > +#define ANACTRL_HIFIPLL_CTRL3 0x010c > +#define ANACTRL_HIFIPLL_CTRL4 0x0110 > +#define ANACTRL_HIFIPLL_CTRL5 0x0114 > +#define ANACTRL_HIFIPLL_CTRL6 0x0118 > +#define ANACTRL_HIFIPLL_STS 0x011c > +#define ANACTRL_MPLL_CTRL0 0x0180 > +#define ANACTRL_MPLL_CTRL1 0x0184 > +#define ANACTRL_MPLL_CTRL2 0x0188 > +#define ANACTRL_MPLL_CTRL3 0x018c > +#define ANACTRL_MPLL_CTRL4 0x0190 > +#define ANACTRL_MPLL_STS 0x01a4 > + > +#endif /* __AML_C3_PLL_H__ */