diff options
Diffstat (limited to 'drivers/clk/tegra/clk-tegra114.c')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra114.c | 1384 |
1 files changed, 1384 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c new file mode 100644 index 000000000..625d11091 --- /dev/null +++ b/drivers/clk/tegra/clk-tegra114.c @@ -0,0 +1,1384 @@ +/* + * Copyright (c) 2012, 2013, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/io.h> +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/delay.h> +#include <linux/export.h> +#include <linux/clk/tegra.h> +#include <dt-bindings/clock/tegra114-car.h> + +#include "clk.h" +#include "clk-id.h" + +#define RST_DFLL_DVCO 0x2F4 +#define CPU_FINETRIM_SELECT 0x4d4 /* override default prop dlys */ +#define CPU_FINETRIM_DR 0x4d8 /* rise->rise prop dly A */ +#define CPU_FINETRIM_R 0x4e4 /* rise->rise prop dly inc A */ + +/* RST_DFLL_DVCO bitfields */ +#define DVFS_DFLL_RESET_SHIFT 0 + +/* CPU_FINETRIM_SELECT and CPU_FINETRIM_DR bitfields */ +#define CPU_FINETRIM_1_FCPU_1 BIT(0) /* fcpu0 */ +#define CPU_FINETRIM_1_FCPU_2 BIT(1) /* fcpu1 */ +#define CPU_FINETRIM_1_FCPU_3 BIT(2) /* fcpu2 */ +#define CPU_FINETRIM_1_FCPU_4 BIT(3) /* fcpu3 */ +#define CPU_FINETRIM_1_FCPU_5 BIT(4) /* fl2 */ +#define CPU_FINETRIM_1_FCPU_6 BIT(5) /* ftop */ + +/* CPU_FINETRIM_R bitfields */ +#define CPU_FINETRIM_R_FCPU_1_SHIFT 0 /* fcpu0 */ +#define CPU_FINETRIM_R_FCPU_1_MASK (0x3 << CPU_FINETRIM_R_FCPU_1_SHIFT) +#define CPU_FINETRIM_R_FCPU_2_SHIFT 2 /* fcpu1 */ +#define CPU_FINETRIM_R_FCPU_2_MASK (0x3 << CPU_FINETRIM_R_FCPU_2_SHIFT) +#define CPU_FINETRIM_R_FCPU_3_SHIFT 4 /* fcpu2 */ +#define CPU_FINETRIM_R_FCPU_3_MASK (0x3 << CPU_FINETRIM_R_FCPU_3_SHIFT) +#define CPU_FINETRIM_R_FCPU_4_SHIFT 6 /* fcpu3 */ +#define CPU_FINETRIM_R_FCPU_4_MASK (0x3 << CPU_FINETRIM_R_FCPU_4_SHIFT) +#define CPU_FINETRIM_R_FCPU_5_SHIFT 8 /* fl2 */ +#define CPU_FINETRIM_R_FCPU_5_MASK (0x3 << CPU_FINETRIM_R_FCPU_5_SHIFT) +#define CPU_FINETRIM_R_FCPU_6_SHIFT 10 /* ftop */ +#define CPU_FINETRIM_R_FCPU_6_MASK (0x3 << CPU_FINETRIM_R_FCPU_6_SHIFT) + +#define TEGRA114_CLK_PERIPH_BANKS 5 + +#define PLLC_BASE 0x80 +#define PLLC_MISC2 0x88 +#define PLLC_MISC 0x8c +#define PLLC2_BASE 0x4e8 +#define PLLC2_MISC 0x4ec +#define PLLC3_BASE 0x4fc +#define PLLC3_MISC 0x500 +#define PLLM_BASE 0x90 +#define PLLM_MISC 0x9c +#define PLLP_BASE 0xa0 +#define PLLP_MISC 0xac +#define PLLX_BASE 0xe0 +#define PLLX_MISC 0xe4 +#define PLLX_MISC2 0x514 +#define PLLX_MISC3 0x518 +#define PLLD_BASE 0xd0 +#define PLLD_MISC 0xdc +#define PLLD2_BASE 0x4b8 +#define PLLD2_MISC 0x4bc +#define PLLE_BASE 0xe8 +#define PLLE_MISC 0xec +#define PLLA_BASE 0xb0 +#define PLLA_MISC 0xbc +#define PLLU_BASE 0xc0 +#define PLLU_MISC 0xcc +#define PLLRE_BASE 0x4c4 +#define PLLRE_MISC 0x4c8 + +#define PLL_MISC_LOCK_ENABLE 18 +#define PLLC_MISC_LOCK_ENABLE 24 +#define PLLDU_MISC_LOCK_ENABLE 22 +#define PLLE_MISC_LOCK_ENABLE 9 +#define PLLRE_MISC_LOCK_ENABLE 30 + +#define PLLC_IDDQ_BIT 26 +#define PLLX_IDDQ_BIT 3 +#define PLLRE_IDDQ_BIT 16 + +#define PLL_BASE_LOCK BIT(27) +#define PLLE_MISC_LOCK BIT(11) +#define PLLRE_MISC_LOCK BIT(24) +#define PLLCX_BASE_LOCK (BIT(26)|BIT(27)) + +#define PLLE_AUX 0x48c +#define PLLC_OUT 0x84 +#define PLLM_OUT 0x94 + +#define OSC_CTRL 0x50 +#define OSC_CTRL_OSC_FREQ_SHIFT 28 +#define OSC_CTRL_PLL_REF_DIV_SHIFT 26 + +#define PLLXC_SW_MAX_P 6 + +#define CCLKG_BURST_POLICY 0x368 + +#define CLK_SOURCE_CSITE 0x1d4 +#define CLK_SOURCE_EMC 0x19c + +/* PLLM override registers */ +#define PMC_PLLM_WB0_OVERRIDE 0x1dc +#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0 + +/* Tegra CPU clock and reset control regs */ +#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 + +#define MUX8(_name, _parents, _offset, \ + _clk_num, _gate_flags, _clk_id) \ + TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\ + 29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\ + _clk_num, _gate_flags, _clk_id, _parents##_idx, 0,\ + NULL) + +#ifdef CONFIG_PM_SLEEP +static struct cpu_clk_suspend_context { + u32 clk_csite_src; + u32 cclkg_burst; + u32 cclkg_divider; +} tegra114_cpu_clk_sctx; +#endif + +static void __iomem *clk_base; +static void __iomem *pmc_base; + +static DEFINE_SPINLOCK(pll_d_lock); +static DEFINE_SPINLOCK(pll_d2_lock); +static DEFINE_SPINLOCK(pll_u_lock); +static DEFINE_SPINLOCK(pll_re_lock); +static DEFINE_SPINLOCK(emc_lock); + +static struct div_nmp pllxc_nmp = { + .divm_shift = 0, + .divm_width = 8, + .divn_shift = 8, + .divn_width = 8, + .divp_shift = 20, + .divp_width = 4, +}; + +static const struct pdiv_map pllxc_p[] = { + { .pdiv = 1, .hw_val = 0 }, + { .pdiv = 2, .hw_val = 1 }, + { .pdiv = 3, .hw_val = 2 }, + { .pdiv = 4, .hw_val = 3 }, + { .pdiv = 5, .hw_val = 4 }, + { .pdiv = 6, .hw_val = 5 }, + { .pdiv = 8, .hw_val = 6 }, + { .pdiv = 10, .hw_val = 7 }, + { .pdiv = 12, .hw_val = 8 }, + { .pdiv = 16, .hw_val = 9 }, + { .pdiv = 12, .hw_val = 10 }, + { .pdiv = 16, .hw_val = 11 }, + { .pdiv = 20, .hw_val = 12 }, + { .pdiv = 24, .hw_val = 13 }, + { .pdiv = 32, .hw_val = 14 }, + { .pdiv = 0, .hw_val = 0 }, +}; + +static struct tegra_clk_pll_freq_table pll_c_freq_table[] = { + { 12000000, 624000000, 104, 1, 2, 0 }, + { 12000000, 600000000, 100, 1, 2, 0 }, + { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */ + { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */ + { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */ + { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */ + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct tegra_clk_pll_params pll_c_params = { + .input_min = 12000000, + .input_max = 800000000, + .cf_min = 12000000, + .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */ + .vco_min = 600000000, + .vco_max = 1400000000, + .base_reg = PLLC_BASE, + .misc_reg = PLLC_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE, + .lock_delay = 300, + .iddq_reg = PLLC_MISC, + .iddq_bit_idx = PLLC_IDDQ_BIT, + .max_p = PLLXC_SW_MAX_P, + .dyn_ramp_reg = PLLC_MISC2, + .stepa_shift = 17, + .stepb_shift = 9, + .pdiv_tohw = pllxc_p, + .div_nmp = &pllxc_nmp, + .freq_table = pll_c_freq_table, + .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, +}; + +static struct div_nmp pllcx_nmp = { + .divm_shift = 0, + .divm_width = 2, + .divn_shift = 8, + .divn_width = 8, + .divp_shift = 20, + .divp_width = 3, +}; + +static const struct pdiv_map pllc_p[] = { + { .pdiv = 1, .hw_val = 0 }, + { .pdiv = 2, .hw_val = 1 }, + { .pdiv = 4, .hw_val = 3 }, + { .pdiv = 8, .hw_val = 5 }, + { .pdiv = 16, .hw_val = 7 }, + { .pdiv = 0, .hw_val = 0 }, +}; + +static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = { + { 12000000, 600000000, 100, 1, 2, 0 }, + { 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */ + { 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */ + { 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */ + { 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */ + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct tegra_clk_pll_params pll_c2_params = { + .input_min = 12000000, + .input_max = 48000000, + .cf_min = 12000000, + .cf_max = 19200000, + .vco_min = 600000000, + .vco_max = 1200000000, + .base_reg = PLLC2_BASE, + .misc_reg = PLLC2_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, + .lock_delay = 300, + .pdiv_tohw = pllc_p, + .div_nmp = &pllcx_nmp, + .max_p = 7, + .ext_misc_reg[0] = 0x4f0, + .ext_misc_reg[1] = 0x4f4, + .ext_misc_reg[2] = 0x4f8, + .freq_table = pll_cx_freq_table, + .flags = TEGRA_PLL_USE_LOCK, +}; + +static struct tegra_clk_pll_params pll_c3_params = { + .input_min = 12000000, + .input_max = 48000000, + .cf_min = 12000000, + .cf_max = 19200000, + .vco_min = 600000000, + .vco_max = 1200000000, + .base_reg = PLLC3_BASE, + .misc_reg = PLLC3_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, + .lock_delay = 300, + .pdiv_tohw = pllc_p, + .div_nmp = &pllcx_nmp, + .max_p = 7, + .ext_misc_reg[0] = 0x504, + .ext_misc_reg[1] = 0x508, + .ext_misc_reg[2] = 0x50c, + .freq_table = pll_cx_freq_table, + .flags = TEGRA_PLL_USE_LOCK, +}; + +static struct div_nmp pllm_nmp = { + .divm_shift = 0, + .divm_width = 8, + .override_divm_shift = 0, + .divn_shift = 8, + .divn_width = 8, + .override_divn_shift = 8, + .divp_shift = 20, + .divp_width = 1, + .override_divp_shift = 27, +}; + +static const struct pdiv_map pllm_p[] = { + { .pdiv = 1, .hw_val = 0 }, + { .pdiv = 2, .hw_val = 1 }, + { .pdiv = 0, .hw_val = 0 }, +}; + +static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { + { 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */ + { 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */ + { 16800000, 800000000, 47, 1, 1, 0 }, /* actual: 789.6 MHz */ + { 19200000, 800000000, 41, 1, 1, 0 }, /* actual: 787.2 MHz */ + { 26000000, 800000000, 61, 2, 1, 0 }, /* actual: 793.0 MHz */ + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct tegra_clk_pll_params pll_m_params = { + .input_min = 12000000, + .input_max = 500000000, + .cf_min = 12000000, + .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */ + .vco_min = 400000000, + .vco_max = 1066000000, + .base_reg = PLLM_BASE, + .misc_reg = PLLM_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, + .lock_delay = 300, + .max_p = 2, + .pdiv_tohw = pllm_p, + .div_nmp = &pllm_nmp, + .pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE, + .pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2, + .freq_table = pll_m_freq_table, + .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE | + TEGRA_PLL_FIXED, +}; + +static struct div_nmp pllp_nmp = { + .divm_shift = 0, + .divm_width = 5, + .divn_shift = 8, + .divn_width = 10, + .divp_shift = 20, + .divp_width = 3, +}; + +static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8 }, + { 13000000, 216000000, 432, 13, 2, 8 }, + { 16800000, 216000000, 360, 14, 2, 8 }, + { 19200000, 216000000, 360, 16, 2, 8 }, + { 26000000, 216000000, 432, 26, 2, 8 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct tegra_clk_pll_params pll_p_params = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 200000000, + .vco_max = 700000000, + .base_reg = PLLP_BASE, + .misc_reg = PLLP_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, + .lock_delay = 300, + .div_nmp = &pllp_nmp, + .freq_table = pll_p_freq_table, + .flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | + TEGRA_PLL_HAS_LOCK_ENABLE, + .fixed_rate = 408000000, +}; + +static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { + { 9600000, 282240000, 147, 5, 1, 4 }, + { 9600000, 368640000, 192, 5, 1, 4 }, + { 9600000, 240000000, 200, 8, 1, 8 }, + { 28800000, 282240000, 245, 25, 1, 8 }, + { 28800000, 368640000, 320, 25, 1, 8 }, + { 28800000, 240000000, 200, 24, 1, 8 }, + { 0, 0, 0, 0, 0, 0 }, +}; + + +static struct tegra_clk_pll_params pll_a_params = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 200000000, + .vco_max = 700000000, + .base_reg = PLLA_BASE, + .misc_reg = PLLA_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, + .lock_delay = 300, + .div_nmp = &pllp_nmp, + .freq_table = pll_a_freq_table, + .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK | + TEGRA_PLL_HAS_LOCK_ENABLE, +}; + +static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { + { 12000000, 216000000, 864, 12, 4, 12 }, + { 13000000, 216000000, 864, 13, 4, 12 }, + { 16800000, 216000000, 720, 14, 4, 12 }, + { 19200000, 216000000, 720, 16, 4, 12 }, + { 26000000, 216000000, 864, 26, 4, 12 }, + { 12000000, 594000000, 594, 12, 1, 12 }, + { 13000000, 594000000, 594, 13, 1, 12 }, + { 16800000, 594000000, 495, 14, 1, 12 }, + { 19200000, 594000000, 495, 16, 1, 12 }, + { 26000000, 594000000, 594, 26, 1, 12 }, + { 12000000, 1000000000, 1000, 12, 1, 12 }, + { 13000000, 1000000000, 1000, 13, 1, 12 }, + { 19200000, 1000000000, 625, 12, 1, 12 }, + { 26000000, 1000000000, 1000, 26, 1, 12 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct tegra_clk_pll_params pll_d_params = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 500000000, + .vco_max = 1000000000, + .base_reg = PLLD_BASE, + .misc_reg = PLLD_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, + .lock_delay = 1000, + .div_nmp = &pllp_nmp, + .freq_table = pll_d_freq_table, + .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | + TEGRA_PLL_HAS_LOCK_ENABLE, +}; + +static struct tegra_clk_pll_params pll_d2_params = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 500000000, + .vco_max = 1000000000, + .base_reg = PLLD2_BASE, + .misc_reg = PLLD2_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, + .lock_delay = 1000, + .div_nmp = &pllp_nmp, + .freq_table = pll_d_freq_table, + .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | + TEGRA_PLL_HAS_LOCK_ENABLE, +}; + +static const struct pdiv_map pllu_p[] = { + { .pdiv = 1, .hw_val = 1 }, + { .pdiv = 2, .hw_val = 0 }, + { .pdiv = 0, .hw_val = 0 }, +}; + +static struct div_nmp pllu_nmp = { + .divm_shift = 0, + .divm_width = 5, + .divn_shift = 8, + .divn_width = 10, + .divp_shift = 20, + .divp_width = 1, +}; + +static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 12 }, + { 13000000, 480000000, 960, 13, 2, 12 }, + { 16800000, 480000000, 400, 7, 2, 5 }, + { 19200000, 480000000, 200, 4, 2, 3 }, + { 26000000, 480000000, 960, 26, 2, 12 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct tegra_clk_pll_params pll_u_params = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .base_reg = PLLU_BASE, + .misc_reg = PLLU_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, + .lock_delay = 1000, + .pdiv_tohw = pllu_p, + .div_nmp = &pllu_nmp, + .freq_table = pll_u_freq_table, + .flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | + TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, +}; + +static struct tegra_clk_pll_freq_table pll_x_freq_table[] = { + /* 1 GHz */ + { 12000000, 1000000000, 83, 1, 1, 0 }, /* actual: 996.0 MHz */ + { 13000000, 1000000000, 76, 1, 1, 0 }, /* actual: 988.0 MHz */ + { 16800000, 1000000000, 59, 1, 1, 0 }, /* actual: 991.2 MHz */ + { 19200000, 1000000000, 52, 1, 1, 0 }, /* actual: 998.4 MHz */ + { 26000000, 1000000000, 76, 2, 1, 0 }, /* actual: 988.0 MHz */ + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct tegra_clk_pll_params pll_x_params = { + .input_min = 12000000, + .input_max = 800000000, + .cf_min = 12000000, + .cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */ + .vco_min = 700000000, + .vco_max = 2400000000U, + .base_reg = PLLX_BASE, + .misc_reg = PLLX_MISC, + .lock_mask = PLL_BASE_LOCK, + .lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE, + .lock_delay = 300, + .iddq_reg = PLLX_MISC3, + .iddq_bit_idx = PLLX_IDDQ_BIT, + .max_p = PLLXC_SW_MAX_P, + .dyn_ramp_reg = PLLX_MISC2, + .stepa_shift = 16, + .stepb_shift = 24, + .pdiv_tohw = pllxc_p, + .div_nmp = &pllxc_nmp, + .freq_table = pll_x_freq_table, + .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, +}; + +static struct tegra_clk_pll_freq_table pll_e_freq_table[] = { + /* PLLE special case: use cpcon field to store cml divider value */ + { 336000000, 100000000, 100, 21, 16, 11 }, + { 312000000, 100000000, 200, 26, 24, 13 }, + { 12000000, 100000000, 200, 1, 24, 13 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static const struct pdiv_map plle_p[] = { + { .pdiv = 1, .hw_val = 0 }, + { .pdiv = 2, .hw_val = 1 }, + { .pdiv = 3, .hw_val = 2 }, + { .pdiv = 4, .hw_val = 3 }, + { .pdiv = 5, .hw_val = 4 }, + { .pdiv = 6, .hw_val = 5 }, + { .pdiv = 8, .hw_val = 6 }, + { .pdiv = 10, .hw_val = 7 }, + { .pdiv = 12, .hw_val = 8 }, + { .pdiv = 16, .hw_val = 9 }, + { .pdiv = 12, .hw_val = 10 }, + { .pdiv = 16, .hw_val = 11 }, + { .pdiv = 20, .hw_val = 12 }, + { .pdiv = 24, .hw_val = 13 }, + { .pdiv = 32, .hw_val = 14 }, + { .pdiv = 0, .hw_val = 0 } +}; + +static struct div_nmp plle_nmp = { + .divm_shift = 0, + .divm_width = 8, + .divn_shift = 8, + .divn_width = 8, + .divp_shift = 24, + .divp_width = 4, +}; + +static struct tegra_clk_pll_params pll_e_params = { + .input_min = 12000000, + .input_max = 1000000000, + .cf_min = 12000000, + .cf_max = 75000000, + .vco_min = 1600000000, + .vco_max = 2400000000U, + .base_reg = PLLE_BASE, + .misc_reg = PLLE_MISC, + .aux_reg = PLLE_AUX, + .lock_mask = PLLE_MISC_LOCK, + .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, + .lock_delay = 300, + .pdiv_tohw = plle_p, + .div_nmp = &plle_nmp, + .freq_table = pll_e_freq_table, + .flags = TEGRA_PLL_FIXED | TEGRA_PLL_HAS_LOCK_ENABLE, + .fixed_rate = 100000000, +}; + +static struct div_nmp pllre_nmp = { + .divm_shift = 0, + .divm_width = 8, + .divn_shift = 8, + .divn_width = 8, + .divp_shift = 16, + .divp_width = 4, +}; + +static struct tegra_clk_pll_params pll_re_vco_params = { + .input_min = 12000000, + .input_max = 1000000000, + .cf_min = 12000000, + .cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */ + .vco_min = 300000000, + .vco_max = 600000000, + .base_reg = PLLRE_BASE, + .misc_reg = PLLRE_MISC, + .lock_mask = PLLRE_MISC_LOCK, + .lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE, + .lock_delay = 300, + .iddq_reg = PLLRE_MISC, + .iddq_bit_idx = PLLRE_IDDQ_BIT, + .div_nmp = &pllre_nmp, + .flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE | + TEGRA_PLL_LOCK_MISC, +}; + +/* possible OSC frequencies in Hz */ +static unsigned long tegra114_input_freq[] = { + [ 0] = 13000000, + [ 1] = 16800000, + [ 4] = 19200000, + [ 5] = 38400000, + [ 8] = 12000000, + [ 9] = 48000000, + [12] = 26000000, +}; + +#define MASK(x) (BIT(x) - 1) + +/* peripheral mux definitions */ + +static const char *mux_plld_out0_plld2_out0[] = { + "pll_d_out0", "pll_d2_out0", +}; +#define mux_plld_out0_plld2_out0_idx NULL + +static const char *mux_pllmcp_clkm[] = { + "pll_m_out0", "pll_c_out0", "pll_p_out0", "clk_m", "pll_m_ud", +}; + +static const struct clk_div_table pll_re_div_table[] = { + { .val = 0, .div = 1 }, + { .val = 1, .div = 2 }, + { .val = 2, .div = 3 }, + { .val = 3, .div = 4 }, + { .val = 4, .div = 5 }, + { .val = 5, .div = 6 }, + { .val = 0, .div = 0 }, +}; + +static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { + [tegra_clk_rtc] = { .dt_id = TEGRA114_CLK_RTC, .present = true }, + [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true }, + [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true }, + [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true }, + [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true }, + [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true }, + [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true }, + [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true }, + [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true }, + [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true }, + [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true }, + [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true }, + [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true }, + [tegra_clk_epp_8] = { .dt_id = TEGRA114_CLK_EPP, .present = true }, + [tegra_clk_gr2d_8] = { .dt_id = TEGRA114_CLK_GR2D, .present = true }, + [tegra_clk_usbd] = { .dt_id = TEGRA114_CLK_USBD, .present = true }, + [tegra_clk_isp] = { .dt_id = TEGRA114_CLK_ISP, .present = true }, + [tegra_clk_gr3d_8] = { .dt_id = TEGRA114_CLK_GR3D, .present = true }, + [tegra_clk_disp2] = { .dt_id = TEGRA114_CLK_DISP2, .present = true }, + [tegra_clk_disp1] = { .dt_id = TEGRA114_CLK_DISP1, .present = true }, + [tegra_clk_host1x_8] = { .dt_id = TEGRA114_CLK_HOST1X, .present = true }, + [tegra_clk_vcp] = { .dt_id = TEGRA114_CLK_VCP, .present = true }, + [tegra_clk_apbdma] = { .dt_id = TEGRA114_CLK_APBDMA, .present = true }, + [tegra_clk_kbc] = { .dt_id = TEGRA114_CLK_KBC, .present = true }, + [tegra_clk_kfuse] = { .dt_id = TEGRA114_CLK_KFUSE, .present = true }, + [tegra_clk_sbc1_8] = { .dt_id = TEGRA114_CLK_SBC1, .present = true }, + [tegra_clk_nor] = { .dt_id = TEGRA114_CLK_NOR, .present = true }, + [tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true }, + [tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true }, + [tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true }, + [tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true }, + [tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true }, + [tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true }, + [tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true }, + [tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true }, + [tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true }, + [tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true }, + [tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true }, + [tegra_clk_vde_8] = { .dt_id = TEGRA114_CLK_VDE, .present = true }, + [tegra_clk_bsea] = { .dt_id = TEGRA114_CLK_BSEA, .present = true }, + [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true }, + [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true }, + [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true }, + [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true }, + [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true }, + [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true }, + [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true }, + [tegra_clk_trace] = { .dt_id = TEGRA114_CLK_TRACE, .present = true }, + [tegra_clk_soc_therm] = { .dt_id = TEGRA114_CLK_SOC_THERM, .present = true }, + [tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true }, + [tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true }, + [tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true }, + [tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true }, + [tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true }, + [tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true }, + [tegra_clk_csus] = { .dt_id = TEGRA114_CLK_CSUS, .present = true }, + [tegra_clk_mselect] = { .dt_id = TEGRA114_CLK_MSELECT, .present = true }, + [tegra_clk_tsensor] = { .dt_id = TEGRA114_CLK_TSENSOR, .present = true }, + [tegra_clk_i2s3] = { .dt_id = TEGRA114_CLK_I2S3, .present = true }, + [tegra_clk_i2s4] = { .dt_id = TEGRA114_CLK_I2S4, .present = true }, + [tegra_clk_i2c4] = { .dt_id = TEGRA114_CLK_I2C4, .present = true }, + [tegra_clk_sbc5_8] = { .dt_id = TEGRA114_CLK_SBC5, .present = true }, + [tegra_clk_sbc6_8] = { .dt_id = TEGRA114_CLK_SBC6, .present = true }, + [tegra_clk_d_audio] = { .dt_id = TEGRA114_CLK_D_AUDIO, .present = true }, + [tegra_clk_apbif] = { .dt_id = TEGRA114_CLK_APBIF, .present = true }, + [tegra_clk_dam0] = { .dt_id = TEGRA114_CLK_DAM0, .present = true }, + [tegra_clk_dam1] = { .dt_id = TEGRA114_CLK_DAM1, .present = true }, + [tegra_clk_dam2] = { .dt_id = TEGRA114_CLK_DAM2, .present = true }, + [tegra_clk_hda2codec_2x] = { .dt_id = TEGRA114_CLK_HDA2CODEC_2X, .present = true }, + [tegra_clk_audio0_2x] = { .dt_id = TEGRA114_CLK_AUDIO0_2X, .present = true }, + [tegra_clk_audio1_2x] = { .dt_id = TEGRA114_CLK_AUDIO1_2X, .present = true }, + [tegra_clk_audio2_2x] = { .dt_id = TEGRA114_CLK_AUDIO2_2X, .present = true }, + [tegra_clk_audio3_2x] = { .dt_id = TEGRA114_CLK_AUDIO3_2X, .present = true }, + [tegra_clk_audio4_2x] = { .dt_id = TEGRA114_CLK_AUDIO4_2X, .present = true }, + [tegra_clk_spdif_2x] = { .dt_id = TEGRA114_CLK_SPDIF_2X, .present = true }, + [tegra_clk_actmon] = { .dt_id = TEGRA114_CLK_ACTMON, .present = true }, + [tegra_clk_extern1] = { .dt_id = TEGRA114_CLK_EXTERN1, .present = true }, + [tegra_clk_extern2] = { .dt_id = TEGRA114_CLK_EXTERN2, .present = true }, + [tegra_clk_extern3] = { .dt_id = TEGRA114_CLK_EXTERN3, .present = true }, + [tegra_clk_hda] = { .dt_id = TEGRA114_CLK_HDA, .present = true }, + [tegra_clk_se] = { .dt_id = TEGRA114_CLK_SE, .present = true }, + [tegra_clk_hda2hdmi] = { .dt_id = TEGRA114_CLK_HDA2HDMI, .present = true }, + [tegra_clk_cilab] = { .dt_id = TEGRA114_CLK_CILAB, .present = true }, + [tegra_clk_cilcd] = { .dt_id = TEGRA114_CLK_CILCD, .present = true }, + [tegra_clk_cile] = { .dt_id = TEGRA114_CLK_CILE, .present = true }, + [tegra_clk_dsialp] = { .dt_id = TEGRA114_CLK_DSIALP, .present = true }, + [tegra_clk_dsiblp] = { .dt_id = TEGRA114_CLK_DSIBLP, .present = true }, + [tegra_clk_dds] = { .dt_id = TEGRA114_CLK_DDS, .present = true }, + [tegra_clk_dp2] = { .dt_id = TEGRA114_CLK_DP2, .present = true }, + [tegra_clk_amx] = { .dt_id = TEGRA114_CLK_AMX, .present = true }, + [tegra_clk_adx] = { .dt_id = TEGRA114_CLK_ADX, .present = true }, + [tegra_clk_xusb_ss] = { .dt_id = TEGRA114_CLK_XUSB_SS, .present = true }, + [tegra_clk_uartb] = { .dt_id = TEGRA114_CLK_UARTB, .present = true }, + [tegra_clk_vfir] = { .dt_id = TEGRA114_CLK_VFIR, .present = true }, + [tegra_clk_spdif_in] = { .dt_id = TEGRA114_CLK_SPDIF_IN, .present = true }, + [tegra_clk_spdif_out] = { .dt_id = TEGRA114_CLK_SPDIF_OUT, .present = true }, + [tegra_clk_vi_8] = { .dt_id = TEGRA114_CLK_VI, .present = true }, + [tegra_clk_fuse] = { .dt_id = TEGRA114_CLK_FUSE, .present = true }, + [tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true }, + [tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true }, + [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true }, + [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true }, + [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true }, + [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true }, + [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true }, + [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true }, + [tegra_clk_pll_c2] = { .dt_id = TEGRA114_CLK_PLL_C2, .present = true }, + [tegra_clk_pll_c3] = { .dt_id = TEGRA114_CLK_PLL_C3, .present = true }, + [tegra_clk_pll_m] = { .dt_id = TEGRA114_CLK_PLL_M, .present = true }, + [tegra_clk_pll_m_out1] = { .dt_id = TEGRA114_CLK_PLL_M_OUT1, .present = true }, + [tegra_clk_pll_p] = { .dt_id = TEGRA114_CLK_PLL_P, .present = true }, + [tegra_clk_pll_p_out1] = { .dt_id = TEGRA114_CLK_PLL_P_OUT1, .present = true }, + [tegra_clk_pll_p_out2_int] = { .dt_id = TEGRA114_CLK_PLL_P_OUT2, .present = true }, + [tegra_clk_pll_p_out3] = { .dt_id = TEGRA114_CLK_PLL_P_OUT3, .present = true }, + [tegra_clk_pll_p_out4] = { .dt_id = TEGRA114_CLK_PLL_P_OUT4, .present = true }, + [tegra_clk_pll_a] = { .dt_id = TEGRA114_CLK_PLL_A, .present = true }, + [tegra_clk_pll_a_out0] = { .dt_id = TEGRA114_CLK_PLL_A_OUT0, .present = true }, + [tegra_clk_pll_d] = { .dt_id = TEGRA114_CLK_PLL_D, .present = true }, + [tegra_clk_pll_d_out0] = { .dt_id = TEGRA114_CLK_PLL_D_OUT0, .present = true }, + [tegra_clk_pll_d2] = { .dt_id = TEGRA114_CLK_PLL_D2, .present = true }, + [tegra_clk_pll_d2_out0] = { .dt_id = TEGRA114_CLK_PLL_D2_OUT0, .present = true }, + [tegra_clk_pll_u] = { .dt_id = TEGRA114_CLK_PLL_U, .present = true }, + [tegra_clk_pll_u_480m] = { .dt_id = TEGRA114_CLK_PLL_U_480M, .present = true }, + [tegra_clk_pll_u_60m] = { .dt_id = TEGRA114_CLK_PLL_U_60M, .present = true }, + [tegra_clk_pll_u_48m] = { .dt_id = TEGRA114_CLK_PLL_U_48M, .present = true }, + [tegra_clk_pll_u_12m] = { .dt_id = TEGRA114_CLK_PLL_U_12M, .present = true }, + [tegra_clk_pll_x] = { .dt_id = TEGRA114_CLK_PLL_X, .present = true }, + [tegra_clk_pll_x_out0] = { .dt_id = TEGRA114_CLK_PLL_X_OUT0, .present = true }, + [tegra_clk_pll_re_vco] = { .dt_id = TEGRA114_CLK_PLL_RE_VCO, .present = true }, + [tegra_clk_pll_re_out] = { .dt_id = TEGRA114_CLK_PLL_RE_OUT, .present = true }, + [tegra_clk_pll_e_out0] = { .dt_id = TEGRA114_CLK_PLL_E_OUT0, .present = true }, + [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC, .present = true }, + [tegra_clk_i2s0_sync] = { .dt_id = TEGRA114_CLK_I2S0_SYNC, .present = true }, + [tegra_clk_i2s1_sync] = { .dt_id = TEGRA114_CLK_I2S1_SYNC, .present = true }, + [tegra_clk_i2s2_sync] = { .dt_id = TEGRA114_CLK_I2S2_SYNC, .present = true }, + [tegra_clk_i2s3_sync] = { .dt_id = TEGRA114_CLK_I2S3_SYNC, .present = true }, + [tegra_clk_i2s4_sync] = { .dt_id = TEGRA114_CLK_I2S4_SYNC, .present = true }, + [tegra_clk_vimclk_sync] = { .dt_id = TEGRA114_CLK_VIMCLK_SYNC, .present = true }, + [tegra_clk_audio0] = { .dt_id = TEGRA114_CLK_AUDIO0, .present = true }, + [tegra_clk_audio1] = { .dt_id = TEGRA114_CLK_AUDIO1, .present = true }, + [tegra_clk_audio2] = { .dt_id = TEGRA114_CLK_AUDIO2, .present = true }, + [tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true }, + [tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true }, + [tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true }, + [tegra_clk_clk_out_1] = { .dt_id = TEGRA114_CLK_CLK_OUT_1, .present = true }, + [tegra_clk_clk_out_2] = { .dt_id = TEGRA114_CLK_CLK_OUT_2, .present = true }, + [tegra_clk_clk_out_3] = { .dt_id = TEGRA114_CLK_CLK_OUT_3, .present = true }, + [tegra_clk_blink] = { .dt_id = TEGRA114_CLK_BLINK, .present = true }, + [tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true }, + [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true }, + [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true }, + [tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true }, + [tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA114_CLK_XUSB_SS_DIV2, .present = true}, + [tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true }, + [tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true }, + [tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true }, + [tegra_clk_sclk] = { .dt_id = TEGRA114_CLK_SCLK, .present = true }, + [tegra_clk_hclk] = { .dt_id = TEGRA114_CLK_HCLK, .present = true }, + [tegra_clk_pclk] = { .dt_id = TEGRA114_CLK_PCLK, .present = true }, + [tegra_clk_cclk_g] = { .dt_id = TEGRA114_CLK_CCLK_G, .present = true }, + [tegra_clk_cclk_lp] = { .dt_id = TEGRA114_CLK_CCLK_LP, .present = true }, + [tegra_clk_dfll_ref] = { .dt_id = TEGRA114_CLK_DFLL_REF, .present = true }, + [tegra_clk_dfll_soc] = { .dt_id = TEGRA114_CLK_DFLL_SOC, .present = true }, + [tegra_clk_audio0_mux] = { .dt_id = TEGRA114_CLK_AUDIO0_MUX, .present = true }, + [tegra_clk_audio1_mux] = { .dt_id = TEGRA114_CLK_AUDIO1_MUX, .present = true }, + [tegra_clk_audio2_mux] = { .dt_id = TEGRA114_CLK_AUDIO2_MUX, .present = true }, + [tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true }, + [tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true }, + [tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true }, + [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_1_MUX, .present = true }, + [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_2_MUX, .present = true }, + [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true }, + [tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true }, + [tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true }, + [tegra_clk_cec] = { .dt_id = TEGRA114_CLK_CEC, .present = true }, +}; + +static struct tegra_devclk devclks[] __initdata = { + { .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M }, + { .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF }, + { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K }, + { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 }, + { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 }, + { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C }, + { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 }, + { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 }, + { .con_id = "pll_c3", .dt_id = TEGRA114_CLK_PLL_C3 }, + { .con_id = "pll_p", .dt_id = TEGRA114_CLK_PLL_P }, + { .con_id = "pll_p_out1", .dt_id = TEGRA114_CLK_PLL_P_OUT1 }, + { .con_id = "pll_p_out2", .dt_id = TEGRA114_CLK_PLL_P_OUT2 }, + { .con_id = "pll_p_out3", .dt_id = TEGRA114_CLK_PLL_P_OUT3 }, + { .con_id = "pll_p_out4", .dt_id = TEGRA114_CLK_PLL_P_OUT4 }, + { .con_id = "pll_m", .dt_id = TEGRA114_CLK_PLL_M }, + { .con_id = "pll_m_out1", .dt_id = TEGRA114_CLK_PLL_M_OUT1 }, + { .con_id = "pll_x", .dt_id = TEGRA114_CLK_PLL_X }, + { .con_id = "pll_x_out0", .dt_id = TEGRA114_CLK_PLL_X_OUT0 }, + { .con_id = "pll_u", .dt_id = TEGRA114_CLK_PLL_U }, + { .con_id = "pll_u_480M", .dt_id = TEGRA114_CLK_PLL_U_480M }, + { .con_id = "pll_u_60M", .dt_id = TEGRA114_CLK_PLL_U_60M }, + { .con_id = "pll_u_48M", .dt_id = TEGRA114_CLK_PLL_U_48M }, + { .con_id = "pll_u_12M", .dt_id = TEGRA114_CLK_PLL_U_12M }, + { .con_id = "pll_d", .dt_id = TEGRA114_CLK_PLL_D }, + { .con_id = "pll_d_out0", .dt_id = TEGRA114_CLK_PLL_D_OUT0 }, + { .con_id = "pll_d2", .dt_id = TEGRA114_CLK_PLL_D2 }, + { .con_id = "pll_d2_out0", .dt_id = TEGRA114_CLK_PLL_D2_OUT0 }, + { .con_id = "pll_a", .dt_id = TEGRA114_CLK_PLL_A }, + { .con_id = "pll_a_out0", .dt_id = TEGRA114_CLK_PLL_A_OUT0 }, + { .con_id = "pll_re_vco", .dt_id = TEGRA114_CLK_PLL_RE_VCO }, + { .con_id = "pll_re_out", .dt_id = TEGRA114_CLK_PLL_RE_OUT }, + { .con_id = "pll_e_out0", .dt_id = TEGRA114_CLK_PLL_E_OUT0 }, + { .con_id = "spdif_in_sync", .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC }, + { .con_id = "i2s0_sync", .dt_id = TEGRA114_CLK_I2S0_SYNC }, + { .con_id = "i2s1_sync", .dt_id = TEGRA114_CLK_I2S1_SYNC }, + { .con_id = "i2s2_sync", .dt_id = TEGRA114_CLK_I2S2_SYNC }, + { .con_id = "i2s3_sync", .dt_id = TEGRA114_CLK_I2S3_SYNC }, + { .con_id = "i2s4_sync", .dt_id = TEGRA114_CLK_I2S4_SYNC }, + { .con_id = "vimclk_sync", .dt_id = TEGRA114_CLK_VIMCLK_SYNC }, + { .con_id = "audio0", .dt_id = TEGRA114_CLK_AUDIO0 }, + { .con_id = "audio1", .dt_id = TEGRA114_CLK_AUDIO1 }, + { .con_id = "audio2", .dt_id = TEGRA114_CLK_AUDIO2 }, + { .con_id = "audio3", .dt_id = TEGRA114_CLK_AUDIO3 }, + { .con_id = "audio4", .dt_id = TEGRA114_CLK_AUDIO4 }, + { .con_id = "spdif", .dt_id = TEGRA114_CLK_SPDIF }, + { .con_id = "audio0_2x", .dt_id = TEGRA114_CLK_AUDIO0_2X }, + { .con_id = "audio1_2x", .dt_id = TEGRA114_CLK_AUDIO1_2X }, + { .con_id = "audio2_2x", .dt_id = TEGRA114_CLK_AUDIO2_2X }, + { .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X }, + { .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X }, + { .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X }, + { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA114_CLK_EXTERN1 }, + { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA114_CLK_EXTERN2 }, + { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA114_CLK_EXTERN3 }, + { .con_id = "blink", .dt_id = TEGRA114_CLK_BLINK }, + { .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G }, + { .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP }, + { .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK }, + { .con_id = "hclk", .dt_id = TEGRA114_CLK_HCLK }, + { .con_id = "pclk", .dt_id = TEGRA114_CLK_PCLK }, + { .con_id = "fuse", .dt_id = TEGRA114_CLK_FUSE }, + { .dev_id = "rtc-tegra", .dt_id = TEGRA114_CLK_RTC }, + { .dev_id = "timer", .dt_id = TEGRA114_CLK_TIMER }, +}; + +static const char *mux_pllm_pllc2_c_c3_pllp_plla[] = { + "pll_m", "pll_c2", "pll_c", "pll_c3", "pll_p", "pll_a_out0" +}; +static u32 mux_pllm_pllc2_c_c3_pllp_plla_idx[] = { + [0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 6, +}; + +static struct tegra_audio_clk_info tegra114_audio_plls[] = { + { "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_p_out1" }, +}; + +static struct clk **clks; + +static unsigned long osc_freq; +static unsigned long pll_ref_freq; + +static void __init tegra114_fixed_clk_init(void __iomem *clk_base) +{ + struct clk *clk; + + /* clk_32k */ + clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, 0, 32768); + clks[TEGRA114_CLK_CLK_32K] = clk; + + /* clk_m_div2 */ + clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m", + CLK_SET_RATE_PARENT, 1, 2); + clks[TEGRA114_CLK_CLK_M_DIV2] = clk; + + /* clk_m_div4 */ + clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m", + CLK_SET_RATE_PARENT, 1, 4); + clks[TEGRA114_CLK_CLK_M_DIV4] = clk; + +} + +static void __init tegra114_pll_init(void __iomem *clk_base, + void __iomem *pmc) +{ + struct clk *clk; + + /* PLLC */ + clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base, + pmc, 0, &pll_c_params, NULL); + clks[TEGRA114_CLK_PLL_C] = clk; + + /* PLLC_OUT1 */ + clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c", + clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP, + 8, 8, 1, NULL); + clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div", + clk_base + PLLC_OUT, 1, 0, + CLK_SET_RATE_PARENT, 0, NULL); + clks[TEGRA114_CLK_PLL_C_OUT1] = clk; + + /* PLLC2 */ + clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0, + &pll_c2_params, NULL); + clks[TEGRA114_CLK_PLL_C2] = clk; + + /* PLLC3 */ + clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0, + &pll_c3_params, NULL); + clks[TEGRA114_CLK_PLL_C3] = clk; + + /* PLLM */ + clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc, + CLK_SET_RATE_GATE, &pll_m_params, NULL); + clks[TEGRA114_CLK_PLL_M] = clk; + + /* PLLM_OUT1 */ + clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m", + clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP, + 8, 8, 1, NULL); + clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div", + clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED | + CLK_SET_RATE_PARENT, 0, NULL); + clks[TEGRA114_CLK_PLL_M_OUT1] = clk; + + /* PLLM_UD */ + clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m", + CLK_SET_RATE_PARENT, 1, 1); + + /* PLLU */ + clk = tegra_clk_register_pllu_tegra114("pll_u", "pll_ref", clk_base, 0, + &pll_u_params, &pll_u_lock); + clks[TEGRA114_CLK_PLL_U] = clk; + + /* PLLU_480M */ + clk = clk_register_gate(NULL, "pll_u_480M", "pll_u", + CLK_SET_RATE_PARENT, clk_base + PLLU_BASE, + 22, 0, &pll_u_lock); + clks[TEGRA114_CLK_PLL_U_480M] = clk; + + /* PLLU_60M */ + clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u", + CLK_SET_RATE_PARENT, 1, 8); + clks[TEGRA114_CLK_PLL_U_60M] = clk; + + /* PLLU_48M */ + clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u", + CLK_SET_RATE_PARENT, 1, 10); + clks[TEGRA114_CLK_PLL_U_48M] = clk; + + /* PLLU_12M */ + clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u", + CLK_SET_RATE_PARENT, 1, 40); + clks[TEGRA114_CLK_PLL_U_12M] = clk; + + /* PLLD */ + clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0, + &pll_d_params, &pll_d_lock); + clks[TEGRA114_CLK_PLL_D] = clk; + + /* PLLD_OUT0 */ + clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", + CLK_SET_RATE_PARENT, 1, 2); + clks[TEGRA114_CLK_PLL_D_OUT0] = clk; + + /* PLLD2 */ + clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc, 0, + &pll_d2_params, &pll_d2_lock); + clks[TEGRA114_CLK_PLL_D2] = clk; + + /* PLLD2_OUT0 */ + clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", + CLK_SET_RATE_PARENT, 1, 2); + clks[TEGRA114_CLK_PLL_D2_OUT0] = clk; + + /* PLLRE */ + clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc, + 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq); + clks[TEGRA114_CLK_PLL_RE_VCO] = clk; + + clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0, + clk_base + PLLRE_BASE, 16, 4, 0, + pll_re_div_table, &pll_re_lock); + clks[TEGRA114_CLK_PLL_RE_OUT] = clk; + + /* PLLE */ + clk = tegra_clk_register_plle_tegra114("pll_e_out0", "pll_ref", + clk_base, 0, &pll_e_params, NULL); + clks[TEGRA114_CLK_PLL_E_OUT0] = clk; +} + +#define CLK_SOURCE_VI_SENSOR 0x1a8 + +static struct tegra_periph_init_data tegra_periph_clk_list[] = { + MUX8("vi_sensor", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR, 20, TEGRA_PERIPH_NO_RESET, TEGRA114_CLK_VI_SENSOR), +}; + +static __init void tegra114_periph_clk_init(void __iomem *clk_base, + void __iomem *pmc_base) +{ + struct clk *clk; + struct tegra_periph_init_data *data; + unsigned int i; + + /* xusb_ss_div2 */ + clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0, + 1, 2); + clks[TEGRA114_CLK_XUSB_SS_DIV2] = clk; + + /* dsia mux */ + clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0, + ARRAY_SIZE(mux_plld_out0_plld2_out0), + CLK_SET_RATE_NO_REPARENT, + clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock); + clks[TEGRA114_CLK_DSIA_MUX] = clk; + + /* dsib mux */ + clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0, + ARRAY_SIZE(mux_plld_out0_plld2_out0), + CLK_SET_RATE_NO_REPARENT, + clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock); + clks[TEGRA114_CLK_DSIB_MUX] = clk; + + clk = tegra_clk_register_periph_gate("dsia", "dsia_mux", 0, clk_base, + 0, 48, periph_clk_enb_refcnt); + clks[TEGRA114_CLK_DSIA] = clk; + + clk = tegra_clk_register_periph_gate("dsib", "dsib_mux", 0, clk_base, + 0, 82, periph_clk_enb_refcnt); + clks[TEGRA114_CLK_DSIB] = clk; + + /* emc mux */ + clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, + ARRAY_SIZE(mux_pllmcp_clkm), + CLK_SET_RATE_NO_REPARENT, + clk_base + CLK_SOURCE_EMC, + 29, 3, 0, &emc_lock); + + clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, + &emc_lock); + clks[TEGRA114_CLK_MC] = clk; + + clk = tegra_clk_register_periph_gate("mipi-cal", "clk_m", 0, clk_base, + CLK_SET_RATE_PARENT, 56, + periph_clk_enb_refcnt); + clks[TEGRA114_CLK_MIPI_CAL] = clk; + + for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) { + data = &tegra_periph_clk_list[i]; + clk = tegra_clk_register_periph_data(clk_base, data); + clks[data->clk_id] = clk; + } + + tegra_periph_clk_init(clk_base, pmc_base, tegra114_clks, + &pll_p_params); +} + +/* Tegra114 CPU clock and reset control functions */ +static void tegra114_wait_cpu_in_reset(u32 cpu) +{ + unsigned int reg; + + do { + reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS); + cpu_relax(); + } while (!(reg & (1 << cpu))); /* check CPU been reset or not */ +} + +static void tegra114_disable_cpu_clock(u32 cpu) +{ + /* flow controller would take care in the power sequence. */ +} + +#ifdef CONFIG_PM_SLEEP +static void tegra114_cpu_clock_suspend(void) +{ + /* switch coresite to clk_m, save off original source */ + tegra114_cpu_clk_sctx.clk_csite_src = + readl(clk_base + CLK_SOURCE_CSITE); + writel(3 << 30, clk_base + CLK_SOURCE_CSITE); + + tegra114_cpu_clk_sctx.cclkg_burst = + readl(clk_base + CCLKG_BURST_POLICY); + tegra114_cpu_clk_sctx.cclkg_divider = + readl(clk_base + CCLKG_BURST_POLICY + 4); +} + +static void tegra114_cpu_clock_resume(void) +{ + writel(tegra114_cpu_clk_sctx.clk_csite_src, + clk_base + CLK_SOURCE_CSITE); + + writel(tegra114_cpu_clk_sctx.cclkg_burst, + clk_base + CCLKG_BURST_POLICY); + writel(tegra114_cpu_clk_sctx.cclkg_divider, + clk_base + CCLKG_BURST_POLICY + 4); +} +#endif + +static struct tegra_cpu_car_ops tegra114_cpu_car_ops = { + .wait_for_reset = tegra114_wait_cpu_in_reset, + .disable_clock = tegra114_disable_cpu_clock, +#ifdef CONFIG_PM_SLEEP + .suspend = tegra114_cpu_clock_suspend, + .resume = tegra114_cpu_clock_resume, +#endif +}; + +static const struct of_device_id pmc_match[] __initconst = { + { .compatible = "nvidia,tegra114-pmc" }, + { }, +}; + +/* + * dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5 + * breaks + */ +static struct tegra_clk_init_table init_table[] __initdata = { + { TEGRA114_CLK_UARTA, TEGRA114_CLK_PLL_P, 408000000, 0 }, + { TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0 }, + { TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0 }, + { TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0 }, + { TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 1 }, + { TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 1 }, + { TEGRA114_CLK_EXTERN1, TEGRA114_CLK_PLL_A_OUT0, 0, 1 }, + { TEGRA114_CLK_CLK_OUT_1_MUX, TEGRA114_CLK_EXTERN1, 0, 1 }, + { TEGRA114_CLK_CLK_OUT_1, TEGRA114_CLK_CLK_MAX, 0, 1 }, + { TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, + { TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, + { TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, + { TEGRA114_CLK_I2S3, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, + { TEGRA114_CLK_I2S4, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, + { TEGRA114_CLK_HOST1X, TEGRA114_CLK_PLL_P, 136000000, 0 }, + { TEGRA114_CLK_DFLL_SOC, TEGRA114_CLK_PLL_P, 51000000, 1 }, + { TEGRA114_CLK_DFLL_REF, TEGRA114_CLK_PLL_P, 51000000, 1 }, + { TEGRA114_CLK_DISP1, TEGRA114_CLK_PLL_P, 0, 0 }, + { TEGRA114_CLK_DISP2, TEGRA114_CLK_PLL_P, 0, 0 }, + { TEGRA114_CLK_GR2D, TEGRA114_CLK_PLL_C2, 300000000, 0 }, + { TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0 }, + { TEGRA114_CLK_DSIALP, TEGRA114_CLK_PLL_P, 68000000, 0 }, + { TEGRA114_CLK_DSIBLP, TEGRA114_CLK_PLL_P, 68000000, 0 }, + { TEGRA114_CLK_PLL_RE_VCO, TEGRA114_CLK_CLK_MAX, 612000000, 0 }, + { TEGRA114_CLK_XUSB_SS_SRC, TEGRA114_CLK_PLL_RE_OUT, 122400000, 0 }, + { TEGRA114_CLK_XUSB_FS_SRC, TEGRA114_CLK_PLL_U_48M, 48000000, 0 }, + { TEGRA114_CLK_XUSB_HS_SRC, TEGRA114_CLK_XUSB_SS_DIV2, 61200000, 0 }, + { TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0 }, + { TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0 }, + { TEGRA114_CLK_VDE, TEGRA114_CLK_CLK_MAX, 600000000, 0 }, + { TEGRA114_CLK_SPDIF_IN_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S0_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S1_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S2_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S3_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_I2S4_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_VIMCLK_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + /* must be the last entry */ + { TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0 }, +}; + +static void __init tegra114_clock_apply_init_table(void) +{ + tegra_init_from_table(init_table, clks, TEGRA114_CLK_CLK_MAX); +} + +/** + * tegra114_car_barrier - wait for pending writes to the CAR to complete + * + * Wait for any outstanding writes to the CAR MMIO space from this CPU + * to complete before continuing execution. No return value. + */ +static void tegra114_car_barrier(void) +{ + wmb(); /* probably unnecessary */ + readl_relaxed(clk_base + CPU_FINETRIM_SELECT); +} + +/** + * tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays + * + * When the CPU rail voltage is in the high-voltage range, use the + * built-in hardwired clock propagation delays in the CPU clock + * shaper. No return value. + */ +void tegra114_clock_tune_cpu_trimmers_high(void) +{ + u32 select = 0; + + /* Use hardwired rise->rise & fall->fall clock propagation delays */ + select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 | + CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 | + CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6); + writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT); + + tegra114_car_barrier(); +} +EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high); + +/** + * tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays + * + * When the CPU rail voltage is in the low-voltage range, use the + * extended clock propagation delays set by + * tegra114_clock_tune_cpu_trimmers_init(). The intention is to + * maintain the input clock duty cycle that the FCPU subsystem + * expects. No return value. + */ +void tegra114_clock_tune_cpu_trimmers_low(void) +{ + u32 select = 0; + + /* + * Use software-specified rise->rise & fall->fall clock + * propagation delays (from + * tegra114_clock_tune_cpu_trimmers_init() + */ + select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 | + CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 | + CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6); + writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT); + + tegra114_car_barrier(); +} +EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low); + +/** + * tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays + * + * Program extended clock propagation delays into the FCPU clock + * shaper and enable them. XXX Define the purpose - peak current + * reduction? No return value. + */ +/* XXX Initial voltage rail state assumption issues? */ +void tegra114_clock_tune_cpu_trimmers_init(void) +{ + u32 dr = 0, r = 0; + + /* Increment the rise->rise clock delay by four steps */ + r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK | + CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK | + CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK); + writel_relaxed(r, clk_base + CPU_FINETRIM_R); + + /* + * Use the rise->rise clock propagation delay specified in the + * r field + */ + dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 | + CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 | + CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6); + writel_relaxed(dr, clk_base + CPU_FINETRIM_DR); + + tegra114_clock_tune_cpu_trimmers_low(); +} +EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init); + +/** + * tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset + * + * Assert the reset line of the DFLL's DVCO. No return value. + */ +void tegra114_clock_assert_dfll_dvco_reset(void) +{ + u32 v; + + v = readl_relaxed(clk_base + RST_DFLL_DVCO); + v |= (1 << DVFS_DFLL_RESET_SHIFT); + writel_relaxed(v, clk_base + RST_DFLL_DVCO); + tegra114_car_barrier(); +} +EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset); + +/** + * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset + * + * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to + * operate. No return value. + */ +void tegra114_clock_deassert_dfll_dvco_reset(void) +{ + u32 v; + + v = readl_relaxed(clk_base + RST_DFLL_DVCO); + v &= ~(1 << DVFS_DFLL_RESET_SHIFT); + writel_relaxed(v, clk_base + RST_DFLL_DVCO); + tegra114_car_barrier(); +} +EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset); + +static void __init tegra114_clock_init(struct device_node *np) +{ + struct device_node *node; + + clk_base = of_iomap(np, 0); + if (!clk_base) { + pr_err("ioremap tegra114 CAR failed\n"); + return; + } + + node = of_find_matching_node(NULL, pmc_match); + if (!node) { + pr_err("Failed to find pmc node\n"); + WARN_ON(1); + return; + } + + pmc_base = of_iomap(node, 0); + if (!pmc_base) { + pr_err("Can't map pmc registers\n"); + WARN_ON(1); + return; + } + + clks = tegra_clk_init(clk_base, TEGRA114_CLK_CLK_MAX, + TEGRA114_CLK_PERIPH_BANKS); + if (!clks) + return; + + if (tegra_osc_clk_init(clk_base, tegra114_clks, tegra114_input_freq, + ARRAY_SIZE(tegra114_input_freq), 1, &osc_freq, + &pll_ref_freq) < 0) + return; + + tegra114_fixed_clk_init(clk_base); + tegra114_pll_init(clk_base, pmc_base); + tegra114_periph_clk_init(clk_base, pmc_base); + tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, + tegra114_audio_plls, + ARRAY_SIZE(tegra114_audio_plls), 24000000); + tegra_pmc_clk_init(pmc_base, tegra114_clks); + tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks, + &pll_x_params); + + tegra_add_of_provider(np, of_clk_src_onecell_get); + tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); + + tegra_clk_apply_init_table = tegra114_clock_apply_init_table; + + tegra_cpu_car_ops = &tegra114_cpu_car_ops; +} +CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init); |