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![Taniya Das](/assets/img/avatar_default.png)
The Low Power Audio subsystem core and audio clocks are required for Audio client to be able to request for the clocks and power domains. Signed-off-by: Taniya Das <tdas@codeaurora.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220223172248.18877-2-tdas@codeaurora.org
431 lines
12 KiB
C
431 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2021, The Linux Foundation. All rights reserved.
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*/
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#include <linux/clk-provider.h>
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#include <linux/err.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/pm_clock.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <dt-bindings/clock/qcom,lpasscorecc-sc7280.h>
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#include "clk-alpha-pll.h"
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#include "clk-branch.h"
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#include "clk-rcg.h"
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#include "clk-regmap.h"
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#include "clk-regmap-divider.h"
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#include "common.h"
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#include "gdsc.h"
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enum {
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P_BI_TCXO,
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P_LPASS_CORE_CC_DIG_PLL_OUT_MAIN,
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P_LPASS_CORE_CC_DIG_PLL_OUT_MAIN_DIV_CLK_SRC,
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P_LPASS_CORE_CC_DIG_PLL_OUT_ODD,
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};
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static const struct pll_vco lucid_vco[] = {
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{ 249600000, 2000000000, 0 },
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};
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/* 614.4MHz configuration */
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static const struct alpha_pll_config lpass_core_cc_dig_pll_config = {
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.l = 0x20,
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.alpha = 0x0,
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.config_ctl_val = 0x20485699,
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.config_ctl_hi_val = 0x00002261,
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.config_ctl_hi1_val = 0xB2923BBC,
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.user_ctl_val = 0x00005100,
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.user_ctl_hi_val = 0x00050805,
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.user_ctl_hi1_val = 0x00000000,
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};
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static struct clk_alpha_pll lpass_core_cc_dig_pll = {
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.offset = 0x1000,
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.vco_table = lucid_vco,
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.num_vco = ARRAY_SIZE(lucid_vco),
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.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
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.clkr = {
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.hw.init = &(struct clk_init_data){
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.name = "lpass_core_cc_dig_pll",
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.parent_data = &(const struct clk_parent_data){
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.index = 0,
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},
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.num_parents = 1,
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.ops = &clk_alpha_pll_lucid_ops,
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},
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},
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};
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static const struct clk_div_table post_div_table_lpass_core_cc_dig_pll_out_odd[] = {
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{ 0x5, 5 },
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{ }
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};
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static struct clk_alpha_pll_postdiv lpass_core_cc_dig_pll_out_odd = {
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.offset = 0x1000,
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.post_div_shift = 12,
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.post_div_table = post_div_table_lpass_core_cc_dig_pll_out_odd,
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.num_post_div = ARRAY_SIZE(post_div_table_lpass_core_cc_dig_pll_out_odd),
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.width = 4,
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.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
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.clkr.hw.init = &(struct clk_init_data){
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.name = "lpass_core_cc_dig_pll_out_odd",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_dig_pll.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_alpha_pll_postdiv_lucid_ops,
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},
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};
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static struct clk_regmap_div lpass_core_cc_dig_pll_out_main_div_clk_src = {
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.reg = 0x1054,
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.shift = 0,
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.width = 4,
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.clkr.hw.init = &(struct clk_init_data) {
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.name = "lpass_core_cc_dig_pll_out_main_div_clk_src",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_dig_pll.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_regmap_div_ro_ops,
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},
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};
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static const struct parent_map lpass_core_cc_parent_map_0[] = {
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{ P_BI_TCXO, 0 },
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{ P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 5 },
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};
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static const struct clk_parent_data lpass_core_cc_parent_data_0[] = {
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{ .index = 0 },
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{ .hw = &lpass_core_cc_dig_pll_out_odd.clkr.hw },
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};
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static const struct parent_map lpass_core_cc_parent_map_2[] = {
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{ P_BI_TCXO, 0 },
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{ P_LPASS_CORE_CC_DIG_PLL_OUT_MAIN, 1 },
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{ P_LPASS_CORE_CC_DIG_PLL_OUT_MAIN_DIV_CLK_SRC, 2 },
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};
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static const struct clk_parent_data lpass_core_cc_parent_data_ao_2[] = {
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{ .index = 1 },
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{ .hw = &lpass_core_cc_dig_pll.clkr.hw },
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{ .hw = &lpass_core_cc_dig_pll_out_main_div_clk_src.clkr.hw },
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};
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static const struct freq_tbl ftbl_lpass_core_cc_core_clk_src[] = {
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F(19200000, P_BI_TCXO, 1, 0, 0),
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F(51200000, P_LPASS_CORE_CC_DIG_PLL_OUT_MAIN_DIV_CLK_SRC, 6, 0, 0),
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F(102400000, P_LPASS_CORE_CC_DIG_PLL_OUT_MAIN_DIV_CLK_SRC, 3, 0, 0),
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F(204800000, P_LPASS_CORE_CC_DIG_PLL_OUT_MAIN, 3, 0, 0),
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{ }
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};
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static struct clk_rcg2 lpass_core_cc_core_clk_src = {
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.cmd_rcgr = 0x1d000,
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.mnd_width = 8,
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.hid_width = 5,
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.parent_map = lpass_core_cc_parent_map_2,
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.freq_tbl = ftbl_lpass_core_cc_core_clk_src,
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.clkr.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_core_clk_src",
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.parent_data = lpass_core_cc_parent_data_ao_2,
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.num_parents = ARRAY_SIZE(lpass_core_cc_parent_data_ao_2),
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.ops = &clk_rcg2_shared_ops,
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},
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};
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static const struct freq_tbl ftbl_lpass_core_cc_ext_if0_clk_src[] = {
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F(256000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 15, 1, 32),
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F(512000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 15, 1, 16),
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F(768000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 10, 1, 16),
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F(1024000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 15, 1, 8),
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F(1536000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 10, 1, 8),
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F(2048000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 15, 1, 4),
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F(3072000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 10, 1, 4),
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F(4096000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 15, 1, 2),
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F(6144000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 10, 1, 2),
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F(8192000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 15, 0, 0),
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F(9600000, P_BI_TCXO, 2, 0, 0),
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F(12288000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 10, 0, 0),
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F(19200000, P_BI_TCXO, 1, 0, 0),
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F(24576000, P_LPASS_CORE_CC_DIG_PLL_OUT_ODD, 5, 0, 0),
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{ }
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};
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static struct clk_rcg2 lpass_core_cc_ext_if0_clk_src = {
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.cmd_rcgr = 0x10000,
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.mnd_width = 16,
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.hid_width = 5,
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.parent_map = lpass_core_cc_parent_map_0,
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.freq_tbl = ftbl_lpass_core_cc_ext_if0_clk_src,
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.clkr.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_ext_if0_clk_src",
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.parent_data = lpass_core_cc_parent_data_0,
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.num_parents = ARRAY_SIZE(lpass_core_cc_parent_data_0),
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_rcg2 lpass_core_cc_ext_if1_clk_src = {
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.cmd_rcgr = 0x11000,
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.mnd_width = 16,
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.hid_width = 5,
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.parent_map = lpass_core_cc_parent_map_0,
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.freq_tbl = ftbl_lpass_core_cc_ext_if0_clk_src,
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.clkr.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_ext_if1_clk_src",
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.parent_data = lpass_core_cc_parent_data_0,
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.num_parents = ARRAY_SIZE(lpass_core_cc_parent_data_0),
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.ops = &clk_rcg2_ops,
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},
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};
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static struct clk_branch lpass_core_cc_core_clk = {
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.halt_reg = 0x1f000,
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.halt_check = BRANCH_HALT_VOTED,
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.hwcg_reg = 0x1f000,
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.hwcg_bit = 1,
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.clkr = {
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.enable_reg = 0x1f000,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_core_clk",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_core_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_aon_ops,
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},
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},
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};
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static struct clk_branch lpass_core_cc_ext_if0_ibit_clk = {
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.halt_reg = 0x10018,
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.halt_check = BRANCH_HALT,
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.clkr = {
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.enable_reg = 0x10018,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_ext_if0_ibit_clk",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_ext_if0_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch lpass_core_cc_ext_if1_ibit_clk = {
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.halt_reg = 0x11018,
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.halt_check = BRANCH_HALT,
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.clkr = {
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.enable_reg = 0x11018,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_ext_if1_ibit_clk",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_ext_if1_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch lpass_core_cc_lpm_core_clk = {
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.halt_reg = 0x1e000,
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.halt_check = BRANCH_HALT,
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.clkr = {
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.enable_reg = 0x1e000,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_lpm_core_clk",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_core_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch lpass_core_cc_lpm_mem0_core_clk = {
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.halt_reg = 0x1e004,
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.halt_check = BRANCH_HALT,
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.clkr = {
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.enable_reg = 0x1e004,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_lpm_mem0_core_clk",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_core_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch lpass_core_cc_sysnoc_mport_core_clk = {
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.halt_reg = 0x23000,
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.halt_check = BRANCH_HALT_VOTED,
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.hwcg_reg = 0x23000,
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.hwcg_bit = 1,
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.clkr = {
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.enable_reg = 0x23000,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data){
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.name = "lpass_core_cc_sysnoc_mport_core_clk",
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.parent_hws = (const struct clk_hw*[]){
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&lpass_core_cc_core_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct gdsc lpass_core_cc_lpass_core_hm_gdsc = {
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.gdscr = 0x0,
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.pd = {
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.name = "lpass_core_cc_lpass_core_hm_gdsc",
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},
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.pwrsts = PWRSTS_OFF_ON,
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.flags = RETAIN_FF_ENABLE,
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};
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static struct clk_regmap *lpass_core_cc_sc7280_clocks[] = {
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[LPASS_CORE_CC_CORE_CLK] = &lpass_core_cc_core_clk.clkr,
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[LPASS_CORE_CC_CORE_CLK_SRC] = &lpass_core_cc_core_clk_src.clkr,
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[LPASS_CORE_CC_DIG_PLL] = &lpass_core_cc_dig_pll.clkr,
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[LPASS_CORE_CC_DIG_PLL_OUT_MAIN_DIV_CLK_SRC] =
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&lpass_core_cc_dig_pll_out_main_div_clk_src.clkr,
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[LPASS_CORE_CC_DIG_PLL_OUT_ODD] = &lpass_core_cc_dig_pll_out_odd.clkr,
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[LPASS_CORE_CC_EXT_IF0_CLK_SRC] = &lpass_core_cc_ext_if0_clk_src.clkr,
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[LPASS_CORE_CC_EXT_IF0_IBIT_CLK] = &lpass_core_cc_ext_if0_ibit_clk.clkr,
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[LPASS_CORE_CC_EXT_IF1_CLK_SRC] = &lpass_core_cc_ext_if1_clk_src.clkr,
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[LPASS_CORE_CC_EXT_IF1_IBIT_CLK] = &lpass_core_cc_ext_if1_ibit_clk.clkr,
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[LPASS_CORE_CC_LPM_CORE_CLK] = &lpass_core_cc_lpm_core_clk.clkr,
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[LPASS_CORE_CC_LPM_MEM0_CORE_CLK] = &lpass_core_cc_lpm_mem0_core_clk.clkr,
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[LPASS_CORE_CC_SYSNOC_MPORT_CORE_CLK] = &lpass_core_cc_sysnoc_mport_core_clk.clkr,
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};
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static struct regmap_config lpass_core_cc_sc7280_regmap_config = {
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.reg_bits = 32,
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.reg_stride = 4,
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.val_bits = 32,
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.fast_io = true,
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};
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static const struct qcom_cc_desc lpass_core_cc_sc7280_desc = {
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.config = &lpass_core_cc_sc7280_regmap_config,
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.clks = lpass_core_cc_sc7280_clocks,
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.num_clks = ARRAY_SIZE(lpass_core_cc_sc7280_clocks),
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};
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static const struct of_device_id lpass_core_cc_sc7280_match_table[] = {
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{ .compatible = "qcom,sc7280-lpasscorecc" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, lpass_core_cc_sc7280_match_table);
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static struct gdsc *lpass_core_hm_sc7280_gdscs[] = {
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[LPASS_CORE_CC_LPASS_CORE_HM_GDSC] = &lpass_core_cc_lpass_core_hm_gdsc,
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};
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static const struct qcom_cc_desc lpass_core_hm_sc7280_desc = {
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.config = &lpass_core_cc_sc7280_regmap_config,
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.gdscs = lpass_core_hm_sc7280_gdscs,
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.num_gdscs = ARRAY_SIZE(lpass_core_hm_sc7280_gdscs),
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};
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static int lpass_core_cc_sc7280_probe(struct platform_device *pdev)
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{
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const struct qcom_cc_desc *desc;
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struct regmap *regmap;
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lpass_core_cc_sc7280_regmap_config.name = "lpass_core_cc";
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lpass_core_cc_sc7280_regmap_config.max_register = 0x4f004;
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desc = &lpass_core_cc_sc7280_desc;
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regmap = qcom_cc_map(pdev, desc);
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if (IS_ERR(regmap))
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return PTR_ERR(regmap);
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clk_lucid_pll_configure(&lpass_core_cc_dig_pll, regmap, &lpass_core_cc_dig_pll_config);
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return qcom_cc_really_probe(pdev, &lpass_core_cc_sc7280_desc, regmap);
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}
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static struct platform_driver lpass_core_cc_sc7280_driver = {
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.probe = lpass_core_cc_sc7280_probe,
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.driver = {
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.name = "lpass_core_cc-sc7280",
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.of_match_table = lpass_core_cc_sc7280_match_table,
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},
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};
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static int lpass_hm_core_probe(struct platform_device *pdev)
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{
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const struct qcom_cc_desc *desc;
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lpass_core_cc_sc7280_regmap_config.name = "lpass_hm_core";
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lpass_core_cc_sc7280_regmap_config.max_register = 0x24;
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desc = &lpass_core_hm_sc7280_desc;
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return qcom_cc_probe_by_index(pdev, 0, desc);
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}
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static const struct of_device_id lpass_hm_sc7280_match_table[] = {
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{ .compatible = "qcom,sc7280-lpasshm" },
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{ }
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};
|
|
MODULE_DEVICE_TABLE(of, lpass_hm_sc7280_match_table);
|
|
|
|
static struct platform_driver lpass_hm_sc7280_driver = {
|
|
.probe = lpass_hm_core_probe,
|
|
.driver = {
|
|
.name = "lpass_hm-sc7280",
|
|
.of_match_table = lpass_hm_sc7280_match_table,
|
|
},
|
|
};
|
|
|
|
static int __init lpass_core_cc_sc7280_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = platform_driver_register(&lpass_hm_sc7280_driver);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return platform_driver_register(&lpass_core_cc_sc7280_driver);
|
|
}
|
|
subsys_initcall(lpass_core_cc_sc7280_init);
|
|
|
|
static void __exit lpass_core_cc_sc7280_exit(void)
|
|
{
|
|
platform_driver_unregister(&lpass_core_cc_sc7280_driver);
|
|
platform_driver_unregister(&lpass_hm_sc7280_driver);
|
|
}
|
|
module_exit(lpass_core_cc_sc7280_exit);
|
|
|
|
MODULE_DESCRIPTION("QTI LPASS_CORE_CC SC7280 Driver");
|
|
MODULE_LICENSE("GPL v2");
|