// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*/
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/clk/tegra.h>
#include <soc/tegra/pmc.h>
#include <dt-bindings/clock/tegra30-car.h>
#include "clk.h"
#include "clk-id.h"
#define OSC_CTRL 0 x50
#define OSC_CTRL_OSC_FREQ_MASK (0 xF<<28 )
#define OSC_CTRL_OSC_FREQ_13MHZ (0 X0<<28 )
#define OSC_CTRL_OSC_FREQ_19_2MHZ (0 X4<<28 )
#define OSC_CTRL_OSC_FREQ_12MHZ (0 X8<<28 )
#define OSC_CTRL_OSC_FREQ_26MHZ (0 XC<<28 )
#define OSC_CTRL_OSC_FREQ_16_8MHZ (0 X1<<28 )
#define OSC_CTRL_OSC_FREQ_38_4MHZ (0 X5<<28 )
#define OSC_CTRL_OSC_FREQ_48MHZ (0 X9<<28 )
#define OSC_CTRL_MASK (0 x3f2 | OSC_CTRL_OSC_FREQ_MASK)
#define OSC_CTRL_PLL_REF_DIV_MASK (3 <<26 )
#define OSC_CTRL_PLL_REF_DIV_1 (0 <<26 )
#define OSC_CTRL_PLL_REF_DIV_2 (1 <<26 )
#define OSC_CTRL_PLL_REF_DIV_4 (2 <<26 )
#define OSC_FREQ_DET 0 x58
#define OSC_FREQ_DET_TRIG BIT(31 )
#define OSC_FREQ_DET_STATUS 0 x5c
#define OSC_FREQ_DET_BUSY BIT(31 )
#define OSC_FREQ_DET_CNT_MASK 0 xffff
#define CCLKG_BURST_POLICY 0 x368
#define SUPER_CCLKG_DIVIDER 0 x36c
#define CCLKLP_BURST_POLICY 0 x370
#define SUPER_CCLKLP_DIVIDER 0 x374
#define SCLK_BURST_POLICY 0 x028
#define SUPER_SCLK_DIVIDER 0 x02c
#define SYSTEM_CLK_RATE 0 x030
#define TEGRA30_CLK_PERIPH_BANKS 5
#define PLLC_BASE 0 x80
#define PLLC_MISC 0 x8c
#define PLLM_BASE 0 x90
#define PLLM_MISC 0 x9c
#define PLLP_BASE 0 xa0
#define PLLP_MISC 0 xac
#define PLLX_BASE 0 xe0
#define PLLX_MISC 0 xe4
#define PLLD_BASE 0 xd0
#define PLLD_MISC 0 xdc
#define PLLD2_BASE 0 x4b8
#define PLLD2_MISC 0 x4bc
#define PLLE_BASE 0 xe8
#define PLLE_MISC 0 xec
#define PLLA_BASE 0 xb0
#define PLLA_MISC 0 xbc
#define PLLU_BASE 0 xc0
#define PLLU_MISC 0 xcc
#define PLL_MISC_LOCK_ENABLE 18
#define PLLDU_MISC_LOCK_ENABLE 22
#define PLLE_MISC_LOCK_ENABLE 9
#define PLL_BASE_LOCK BIT(27 )
#define PLLE_MISC_LOCK BIT(11 )
#define PLLE_AUX 0 x48c
#define PLLC_OUT 0 x84
#define PLLM_OUT 0 x94
#define PLLP_OUTA 0 xa4
#define PLLP_OUTB 0 xa8
#define PLLA_OUT 0 xb4
#define AUDIO_SYNC_CLK_I2S0 0 x4a0
#define AUDIO_SYNC_CLK_I2S1 0 x4a4
#define AUDIO_SYNC_CLK_I2S2 0 x4a8
#define AUDIO_SYNC_CLK_I2S3 0 x4ac
#define AUDIO_SYNC_CLK_I2S4 0 x4b0
#define AUDIO_SYNC_CLK_SPDIF 0 x4b4
#define CLK_SOURCE_SPDIF_OUT 0 x108
#define CLK_SOURCE_PWM 0 x110
#define CLK_SOURCE_D_AUDIO 0 x3d0
#define CLK_SOURCE_DAM0 0 x3d8
#define CLK_SOURCE_DAM1 0 x3dc
#define CLK_SOURCE_DAM2 0 x3e0
#define CLK_SOURCE_3D2 0 x3b0
#define CLK_SOURCE_2D 0 x15c
#define CLK_SOURCE_HDMI 0 x18c
#define CLK_SOURCE_DSIB 0 xd0
#define CLK_SOURCE_SE 0 x42c
#define CLK_SOURCE_EMC 0 x19c
#define AUDIO_SYNC_DOUBLER 0 x49c
/* Tegra CPU clock and reset control regs */
#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0 x4c
#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0 x340
#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0 x344
#define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0 x34c
#define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0 x470
#define CPU_CLOCK(cpu) (0 x1 << (8 + cpu))
#define CPU_RESET(cpu) (0 x1111ul << (cpu))
#define CLK_RESET_CCLK_BURST 0 x20
#define CLK_RESET_CCLK_DIVIDER 0 x24
#define CLK_RESET_PLLX_BASE 0 xe0
#define CLK_RESET_PLLX_MISC 0 xe4
#define CLK_RESET_SOURCE_CSITE 0 x1d4
#define CLK_RESET_CCLK_BURST_POLICY_SHIFT 28
#define CLK_RESET_CCLK_RUN_POLICY_SHIFT 4
#define CLK_RESET_CCLK_IDLE_POLICY_SHIFT 0
#define CLK_RESET_CCLK_IDLE_POLICY 1
#define CLK_RESET_CCLK_RUN_POLICY 2
#define CLK_RESET_CCLK_BURST_POLICY_PLLX 8
/* PLLM override registers */
#define PMC_PLLM_WB0_OVERRIDE 0 x1dc
#ifdef CONFIG_PM_SLEEP
static struct cpu_clk_suspend_context {
u32 pllx_misc;
u32 pllx_base;
u32 cpu_burst;
u32 clk_csite_src;
u32 cclk_divider;
} tegra30_cpu_clk_sctx;
#endif
static void __iomem *clk_base;
static void __iomem *pmc_base;
static unsigned long input_freq;
static DEFINE_SPINLOCK(cml_lock);
static DEFINE_SPINLOCK(pll_d_lock);
#define TEGRA_INIT_DATA_MUX(_name, _parents, _offset, \
_clk_num, _gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \
30 , 2 , 0 , 0 , 8 , 1 , TEGRA_DIVIDER_ROUND_UP, \
_clk_num, _gate_flags, _clk_id)
#define TEGRA_INIT_DATA_MUX8(_name, _parents, _offset, \
_clk_num, _gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \
29 , 3 , 0 , 0 , 8 , 1 , TEGRA_DIVIDER_ROUND_UP, \
_clk_num, _gate_flags, _clk_id)
#define TEGRA_INIT_DATA_INT(_name, _parents, _offset, \
_clk_num, _gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \
30 , 2 , 0 , 0 , 8 , 1 , TEGRA_DIVIDER_INT | \
TEGRA_DIVIDER_ROUND_UP, _clk_num, \
_gate_flags, _clk_id)
#define TEGRA_INIT_DATA_NODIV(_name, _parents, _offset, \
_mux_shift, _mux_width, _clk_num, \
_gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, NULL, NULL, _parents, _offset, \
_mux_shift, _mux_width, 0 , 0 , 0 , 0 , 0 ,\
_clk_num, _gate_flags, \
_clk_id)
static struct clk **clks;
static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
{ 12000000 , 1040000000 , 520 , 6 , 1 , 8 },
{ 13000000 , 1040000000 , 480 , 6 , 1 , 8 },
{ 16800000 , 1040000000 , 495 , 8 , 1 , 8 }, /* actual: 1039.5 MHz */
{ 19200000 , 1040000000 , 325 , 6 , 1 , 6 },
{ 26000000 , 1040000000 , 520 , 13 , 1 , 8 },
{ 12000000 , 832000000 , 416 , 6 , 1 , 8 },
{ 13000000 , 832000000 , 832 , 13 , 1 , 8 },
{ 16800000 , 832000000 , 396 , 8 , 1 , 8 }, /* actual: 831.6 MHz */
{ 19200000 , 832000000 , 260 , 6 , 1 , 8 },
{ 26000000 , 832000000 , 416 , 13 , 1 , 8 },
{ 12000000 , 624000000 , 624 , 12 , 1 , 8 },
{ 13000000 , 624000000 , 624 , 13 , 1 , 8 },
{ 16800000 , 600000000 , 520 , 14 , 1 , 8 },
{ 19200000 , 624000000 , 520 , 16 , 1 , 8 },
{ 26000000 , 624000000 , 624 , 26 , 1 , 8 },
{ 12000000 , 600000000 , 600 , 12 , 1 , 8 },
{ 13000000 , 600000000 , 600 , 13 , 1 , 8 },
{ 16800000 , 600000000 , 500 , 14 , 1 , 8 },
{ 19200000 , 600000000 , 375 , 12 , 1 , 6 },
{ 26000000 , 600000000 , 600 , 26 , 1 , 8 },
{ 12000000 , 520000000 , 520 , 12 , 1 , 8 },
{ 13000000 , 520000000 , 520 , 13 , 1 , 8 },
{ 16800000 , 520000000 , 495 , 16 , 1 , 8 }, /* actual: 519.75 MHz */
{ 19200000 , 520000000 , 325 , 12 , 1 , 6 },
{ 26000000 , 520000000 , 520 , 26 , 1 , 8 },
{ 12000000 , 416000000 , 416 , 12 , 1 , 8 },
{ 13000000 , 416000000 , 416 , 13 , 1 , 8 },
{ 16800000 , 416000000 , 396 , 16 , 1 , 8 }, /* actual: 415.8 MHz */
{ 19200000 , 416000000 , 260 , 12 , 1 , 6 },
{ 26000000 , 416000000 , 416 , 26 , 1 , 8 },
{ 0 , 0 , 0 , 0 , 0 , 0 },
};
static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
{ 12000000 , 666000000 , 666 , 12 , 1 , 8 },
{ 13000000 , 666000000 , 666 , 13 , 1 , 8 },
{ 16800000 , 666000000 , 555 , 14 , 1 , 8 },
{ 19200000 , 666000000 , 555 , 16 , 1 , 8 },
{ 26000000 , 666000000 , 666 , 26 , 1 , 8 },
{ 12000000 , 600000000 , 600 , 12 , 1 , 8 },
{ 13000000 , 600000000 , 600 , 13 , 1 , 8 },
{ 16800000 , 600000000 , 500 , 14 , 1 , 8 },
{ 19200000 , 600000000 , 375 , 12 , 1 , 6 },
{ 26000000 , 600000000 , 600 , 26 , 1 , 8 },
{ 0 , 0 , 0 , 0 , 0 , 0 },
};
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_freq_table pll_a_freq_table[] = {
{ 9600000 , 564480000 , 294 , 5 , 1 , 4 },
{ 9600000 , 552960000 , 288 , 5 , 1 , 4 },
{ 9600000 , 24000000 , 5 , 2 , 1 , 1 },
{ 28800000 , 56448000 , 49 , 25 , 1 , 1 },
{ 28800000 , 73728000 , 64 , 25 , 1 , 1 },
{ 28800000 , 24000000 , 5 , 6 , 1 , 1 },
{ 0 , 0 , 0 , 0 , 0 , 0 },
};
static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
{ 12000000 , 216000000 , 216 , 12 , 1 , 4 },
{ 13000000 , 216000000 , 216 , 13 , 1 , 4 },
{ 16800000 , 216000000 , 180 , 14 , 1 , 4 },
{ 19200000 , 216000000 , 180 , 16 , 1 , 4 },
{ 26000000 , 216000000 , 216 , 26 , 1 , 4 },
{ 12000000 , 594000000 , 594 , 12 , 1 , 8 },
{ 13000000 , 594000000 , 594 , 13 , 1 , 8 },
{ 16800000 , 594000000 , 495 , 14 , 1 , 8 },
{ 19200000 , 594000000 , 495 , 16 , 1 , 8 },
{ 26000000 , 594000000 , 594 , 26 , 1 , 8 },
{ 12000000 , 1000000000 , 1000 , 12 , 1 , 12 },
{ 13000000 , 1000000000 , 1000 , 13 , 1 , 12 },
{ 19200000 , 1000000000 , 625 , 12 , 1 , 8 },
{ 26000000 , 1000000000 , 1000 , 26 , 1 , 12 },
{ 0 , 0 , 0 , 0 , 0 , 0 },
};
static const struct pdiv_map pllu_p[] = {
{ .pdiv = 1 , .hw_val = 1 },
{ .pdiv = 2 , .hw_val = 0 },
{ .pdiv = 0 , .hw_val = 0 },
};
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_freq_table pll_x_freq_table[] = {
/* 1.7 GHz */
{ 12000000 , 1700000000 , 850 , 6 , 1 , 8 },
{ 13000000 , 1700000000 , 915 , 7 , 1 , 8 }, /* actual: 1699.2 MHz */
{ 16800000 , 1700000000 , 708 , 7 , 1 , 8 }, /* actual: 1699.2 MHz */
{ 19200000 , 1700000000 , 885 , 10 , 1 , 8 }, /* actual: 1699.2 MHz */
{ 26000000 , 1700000000 , 850 , 13 , 1 , 8 },
/* 1.6 GHz */
{ 12000000 , 1600000000 , 800 , 6 , 1 , 8 },
{ 13000000 , 1600000000 , 738 , 6 , 1 , 8 }, /* actual: 1599.0 MHz */
{ 16800000 , 1600000000 , 857 , 9 , 1 , 8 }, /* actual: 1599.7 MHz */
{ 19200000 , 1600000000 , 500 , 6 , 1 , 8 },
{ 26000000 , 1600000000 , 800 , 13 , 1 , 8 },
/* 1.5 GHz */
{ 12000000 , 1500000000 , 750 , 6 , 1 , 8 },
{ 13000000 , 1500000000 , 923 , 8 , 1 , 8 }, /* actual: 1499.8 MHz */
{ 16800000 , 1500000000 , 625 , 7 , 1 , 8 },
{ 19200000 , 1500000000 , 625 , 8 , 1 , 8 },
{ 26000000 , 1500000000 , 750 , 13 , 1 , 8 },
/* 1.4 GHz */
{ 12000000 , 1400000000 , 700 , 6 , 1 , 8 },
{ 13000000 , 1400000000 , 969 , 9 , 1 , 8 }, /* actual: 1399.7 MHz */
{ 16800000 , 1400000000 , 1000 , 12 , 1 , 8 },
{ 19200000 , 1400000000 , 875 , 12 , 1 , 8 },
{ 26000000 , 1400000000 , 700 , 13 , 1 , 8 },
/* 1.3 GHz */
{ 12000000 , 1300000000 , 975 , 9 , 1 , 8 },
{ 13000000 , 1300000000 , 1000 , 10 , 1 , 8 },
{ 16800000 , 1300000000 , 928 , 12 , 1 , 8 }, /* actual: 1299.2 MHz */
{ 19200000 , 1300000000 , 812 , 12 , 1 , 8 }, /* actual: 1299.2 MHz */
{ 26000000 , 1300000000 , 650 , 13 , 1 , 8 },
/* 1.2 GHz */
{ 12000000 , 1200000000 , 1000 , 10 , 1 , 8 },
{ 13000000 , 1200000000 , 923 , 10 , 1 , 8 }, /* actual: 1199.9 MHz */
{ 16800000 , 1200000000 , 1000 , 14 , 1 , 8 },
{ 19200000 , 1200000000 , 1000 , 16 , 1 , 8 },
{ 26000000 , 1200000000 , 600 , 13 , 1 , 8 },
/* 1.1 GHz */
{ 12000000 , 1100000000 , 825 , 9 , 1 , 8 },
{ 13000000 , 1100000000 , 846 , 10 , 1 , 8 }, /* actual: 1099.8 MHz */
{ 16800000 , 1100000000 , 982 , 15 , 1 , 8 }, /* actual: 1099.8 MHz */
{ 19200000 , 1100000000 , 859 , 15 , 1 , 8 }, /* actual: 1099.5 MHz */
{ 26000000 , 1100000000 , 550 , 13 , 1 , 8 },
/* 1 GHz */
{ 12000000 , 1000000000 , 1000 , 12 , 1 , 8 },
{ 13000000 , 1000000000 , 1000 , 13 , 1 , 8 },
{ 16800000 , 1000000000 , 833 , 14 , 1 , 8 }, /* actual: 999.6 MHz */
{ 19200000 , 1000000000 , 625 , 12 , 1 , 8 },
{ 26000000 , 1000000000 , 1000 , 26 , 1 , 8 },
{ 0 , 0 , 0 , 0 , 0 , 0 },
};
static const struct pdiv_map plle_p[] = {
{ .pdiv = 18 , .hw_val = 18 },
{ .pdiv = 24 , .hw_val = 24 },
{ .pdiv = 0 , .hw_val = 0 },
};
static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
/* PLLE special case: use cpcon field to store cml divider value */
{ 12000000 , 100000000 , 150 , 1 , 18 , 11 },
{ 216000000 , 100000000 , 200 , 18 , 24 , 13 },
{ 0 , 0 , 0 , 0 , 0 , 0 },
};
/* PLL parameters */
static struct tegra_clk_pll_params pll_c_params __ro_after_init = {
.input_min = 2000000 ,
.input_max = 31000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 20000000 ,
.vco_max = 1400000000 ,
.base_reg = PLLC_BASE,
.misc_reg = PLLC_MISC,
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300 ,
.freq_table = pll_c_freq_table,
.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK |
TEGRA_PLL_HAS_LOCK_ENABLE,
};
static struct div_nmp pllm_nmp = {
.divn_shift = 8 ,
.divn_width = 10 ,
.override_divn_shift = 5 ,
.divm_shift = 0 ,
.divm_width = 5 ,
.override_divm_shift = 0 ,
.divp_shift = 20 ,
.divp_width = 3 ,
.override_divp_shift = 15 ,
};
static struct tegra_clk_pll_params pll_m_params __ro_after_init = {
.input_min = 2000000 ,
.input_max = 31000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 20000000 ,
.vco_max = 1200000000 ,
.base_reg = PLLM_BASE,
.misc_reg = PLLM_MISC,
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300 ,
.div_nmp = &pllm_nmp,
.pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
.pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE,
.freq_table = pll_m_freq_table,
.flags = TEGRA_PLLM | TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK |
TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_FIXED,
};
static struct tegra_clk_pll_params pll_p_params __ro_after_init = {
.input_min = 2000000 ,
.input_max = 31000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 20000000 ,
.vco_max = 1400000000 ,
.base_reg = PLLP_BASE,
.misc_reg = PLLP_MISC,
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300 ,
.freq_table = pll_p_freq_table,
.flags = TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK |
TEGRA_PLL_HAS_LOCK_ENABLE,
.fixed_rate = 408000000 ,
};
static struct tegra_clk_pll_params pll_a_params = {
.input_min = 2000000 ,
.input_max = 31000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 20000000 ,
.vco_max = 1400000000 ,
.base_reg = PLLA_BASE,
.misc_reg = PLLA_MISC,
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300 ,
.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_params pll_d_params __ro_after_init = {
.input_min = 2000000 ,
.input_max = 40000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 40000000 ,
.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 ,
.freq_table = pll_d_freq_table,
.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
};
static struct tegra_clk_pll_params pll_d2_params __ro_after_init = {
.input_min = 2000000 ,
.input_max = 40000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 40000000 ,
.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 ,
.freq_table = pll_d_freq_table,
.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
};
static struct tegra_clk_pll_params pll_u_params __ro_after_init = {
.input_min = 2000000 ,
.input_max = 40000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 48000000 ,
.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,
.freq_table = pll_u_freq_table,
.flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
TEGRA_PLL_HAS_LOCK_ENABLE,
};
static struct tegra_clk_pll_params pll_x_params __ro_after_init = {
.input_min = 2000000 ,
.input_max = 31000000 ,
.cf_min = 1000000 ,
.cf_max = 6000000 ,
.vco_min = 20000000 ,
.vco_max = 1700000000 ,
.base_reg = PLLX_BASE,
.misc_reg = PLLX_MISC,
.lock_mask = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300 ,
.freq_table = pll_x_freq_table,
.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_DCCON |
TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
.pre_rate_change = tegra_cclk_pre_pllx_rate_change,
.post_rate_change = tegra_cclk_post_pllx_rate_change,
};
static struct tegra_clk_pll_params pll_e_params __ro_after_init = {
.input_min = 12000000 ,
.input_max = 216000000 ,
.cf_min = 12000000 ,
.cf_max = 12000000 ,
.vco_min = 1200000000 ,
.vco_max = 2400000000 U,
.base_reg = PLLE_BASE,
.misc_reg = PLLE_MISC,
.lock_mask = PLLE_MISC_LOCK,
.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
.lock_delay = 300 ,
.pdiv_tohw = plle_p,
.freq_table = pll_e_freq_table,
.flags = TEGRA_PLLE_CONFIGURE | TEGRA_PLL_FIXED |
TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_LOCK_MISC,
.fixed_rate = 100000000 ,
};
static unsigned long tegra30_input_freq[] = {
[ 0 ] = 13000000 ,
[ 1 ] = 16800000 ,
[ 4 ] = 19200000 ,
[ 5 ] = 38400000 ,
[ 8 ] = 12000000 ,
[ 9 ] = 48000000 ,
[12 ] = 26000000 ,
};
static struct tegra_devclk devclks[] = {
{ .con_id = "pll_c" , .dt_id = TEGRA30_CLK_PLL_C },
{ .con_id = "pll_c_out1" , .dt_id = TEGRA30_CLK_PLL_C_OUT1 },
{ .con_id = "pll_p" , .dt_id = TEGRA30_CLK_PLL_P },
{ .con_id = "pll_p_out1" , .dt_id = TEGRA30_CLK_PLL_P_OUT1 },
{ .con_id = "pll_p_out2" , .dt_id = TEGRA30_CLK_PLL_P_OUT2 },
{ .con_id = "pll_p_out3" , .dt_id = TEGRA30_CLK_PLL_P_OUT3 },
{ .con_id = "pll_p_out4" , .dt_id = TEGRA30_CLK_PLL_P_OUT4 },
{ .con_id = "pll_m" , .dt_id = TEGRA30_CLK_PLL_M },
{ .con_id = "pll_m_out1" , .dt_id = TEGRA30_CLK_PLL_M_OUT1 },
{ .con_id = "pll_x" , .dt_id = TEGRA30_CLK_PLL_X },
{ .con_id = "pll_x_out0" , .dt_id = TEGRA30_CLK_PLL_X_OUT0 },
{ .con_id = "pll_u" , .dt_id = TEGRA30_CLK_PLL_U },
{ .con_id = "pll_d" , .dt_id = TEGRA30_CLK_PLL_D },
{ .con_id = "pll_d_out0" , .dt_id = TEGRA30_CLK_PLL_D_OUT0 },
{ .con_id = "pll_d2" , .dt_id = TEGRA30_CLK_PLL_D2 },
{ .con_id = "pll_d2_out0" , .dt_id = TEGRA30_CLK_PLL_D2_OUT0 },
{ .con_id = "pll_a" , .dt_id = TEGRA30_CLK_PLL_A },
{ .con_id = "pll_a_out0" , .dt_id = TEGRA30_CLK_PLL_A_OUT0 },
{ .con_id = "pll_e" , .dt_id = TEGRA30_CLK_PLL_E },
{ .con_id = "spdif_in_sync" , .dt_id = TEGRA30_CLK_SPDIF_IN_SYNC },
{ .con_id = "i2s0_sync" , .dt_id = TEGRA30_CLK_I2S0_SYNC },
{ .con_id = "i2s1_sync" , .dt_id = TEGRA30_CLK_I2S1_SYNC },
{ .con_id = "i2s2_sync" , .dt_id = TEGRA30_CLK_I2S2_SYNC },
{ .con_id = "i2s3_sync" , .dt_id = TEGRA30_CLK_I2S3_SYNC },
{ .con_id = "i2s4_sync" , .dt_id = TEGRA30_CLK_I2S4_SYNC },
{ .con_id = "vimclk_sync" , .dt_id = TEGRA30_CLK_VIMCLK_SYNC },
{ .con_id = "audio0" , .dt_id = TEGRA30_CLK_AUDIO0 },
{ .con_id = "audio1" , .dt_id = TEGRA30_CLK_AUDIO1 },
{ .con_id = "audio2" , .dt_id = TEGRA30_CLK_AUDIO2 },
{ .con_id = "audio3" , .dt_id = TEGRA30_CLK_AUDIO3 },
{ .con_id = "audio4" , .dt_id = TEGRA30_CLK_AUDIO4 },
{ .con_id = "spdif" , .dt_id = TEGRA30_CLK_SPDIF },
{ .con_id = "audio0_2x" , .dt_id = TEGRA30_CLK_AUDIO0_2X },
{ .con_id = "audio1_2x" , .dt_id = TEGRA30_CLK_AUDIO1_2X },
{ .con_id = "audio2_2x" , .dt_id = TEGRA30_CLK_AUDIO2_2X },
{ .con_id = "audio3_2x" , .dt_id = TEGRA30_CLK_AUDIO3_2X },
{ .con_id = "audio4_2x" , .dt_id = TEGRA30_CLK_AUDIO4_2X },
{ .con_id = "spdif_2x" , .dt_id = TEGRA30_CLK_SPDIF_2X },
{ .con_id = "extern1" , .dt_id = TEGRA30_CLK_EXTERN1 },
{ .con_id = "extern2" , .dt_id = TEGRA30_CLK_EXTERN2 },
{ .con_id = "extern3" , .dt_id = TEGRA30_CLK_EXTERN3 },
{ .con_id = "cclk_g" , .dt_id = TEGRA30_CLK_CCLK_G },
{ .con_id = "cclk_lp" , .dt_id = TEGRA30_CLK_CCLK_LP },
{ .con_id = "sclk" , .dt_id = TEGRA30_CLK_SCLK },
{ .con_id = "hclk" , .dt_id = TEGRA30_CLK_HCLK },
{ .con_id = "pclk" , .dt_id = TEGRA30_CLK_PCLK },
{ .con_id = "twd" , .dt_id = TEGRA30_CLK_TWD },
{ .con_id = "emc" , .dt_id = TEGRA30_CLK_EMC },
{ .con_id = "clk_32k" , .dt_id = TEGRA30_CLK_CLK_32K },
{ .con_id = "osc" , .dt_id = TEGRA30_CLK_OSC },
{ .con_id = "osc_div2" , .dt_id = TEGRA30_CLK_OSC_DIV2 },
{ .con_id = "osc_div4" , .dt_id = TEGRA30_CLK_OSC_DIV4 },
{ .con_id = "cml0" , .dt_id = TEGRA30_CLK_CML0 },
{ .con_id = "cml1" , .dt_id = TEGRA30_CLK_CML1 },
{ .con_id = "clk_m" , .dt_id = TEGRA30_CLK_CLK_M },
{ .con_id = "pll_ref" , .dt_id = TEGRA30_CLK_PLL_REF },
{ .con_id = "csus" , .dev_id = "tengra_camera" , .dt_id = TEGRA30_CLK_CSUS },
{ .con_id = "vcp" , .dev_id = "tegra-avp" , .dt_id = TEGRA30_CLK_VCP },
{ .con_id = "bsea" , .dev_id = "tegra-avp" , .dt_id = TEGRA30_CLK_BSEA },
{ .con_id = "bsev" , .dev_id = "tegra-aes" , .dt_id = TEGRA30_CLK_BSEV },
{ .con_id = "dsia" , .dev_id = "tegradc.0" , .dt_id = TEGRA30_CLK_DSIA },
{ .con_id = "csi" , .dev_id = "tegra_camera" , .dt_id = TEGRA30_CLK_CSI },
{ .con_id = "isp" , .dev_id = "tegra_camera" , .dt_id = TEGRA30_CLK_ISP },
{ .con_id = "pcie" , .dev_id = "tegra-pcie" , .dt_id = TEGRA30_CLK_PCIE },
{ .con_id = "afi" , .dev_id = "tegra-pcie" , .dt_id = TEGRA30_CLK_AFI },
{ .con_id = "fuse" , .dt_id = TEGRA30_CLK_FUSE },
{ .con_id = "fuse_burn" , .dev_id = "fuse-tegra" , .dt_id = TEGRA30_CLK_FUSE_BURN },
{ .con_id = "apbif" , .dev_id = "tegra30-ahub" , .dt_id = TEGRA30_CLK_APBIF },
{ .con_id = "hda2hdmi" , .dev_id = "tegra30-hda" , .dt_id = TEGRA30_CLK_HDA2HDMI },
{ .dev_id = "tegra-apbdma" , .dt_id = TEGRA30_CLK_APBDMA },
{ .dev_id = "rtc-tegra" , .dt_id = TEGRA30_CLK_RTC },
{ .dev_id = "timer" , .dt_id = TEGRA30_CLK_TIMER },
{ .dev_id = "tegra-kbc" , .dt_id = TEGRA30_CLK_KBC },
{ .dev_id = "fsl-tegra-udc" , .dt_id = TEGRA30_CLK_USBD },
{ .dev_id = "tegra-ehci.1" , .dt_id = TEGRA30_CLK_USB2 },
{ .dev_id = "tegra-ehci.2" , .dt_id = TEGRA30_CLK_USB2 },
{ .dev_id = "kfuse-tegra" , .dt_id = TEGRA30_CLK_KFUSE },
{ .dev_id = "tegra_sata_cold" , .dt_id = TEGRA30_CLK_SATA_COLD },
{ .dev_id = "dtv" , .dt_id = TEGRA30_CLK_DTV },
{ .dev_id = "tegra30-i2s.0" , .dt_id = TEGRA30_CLK_I2S0 },
{ .dev_id = "tegra30-i2s.1" , .dt_id = TEGRA30_CLK_I2S1 },
{ .dev_id = "tegra30-i2s.2" , .dt_id = TEGRA30_CLK_I2S2 },
{ .dev_id = "tegra30-i2s.3" , .dt_id = TEGRA30_CLK_I2S3 },
{ .dev_id = "tegra30-i2s.4" , .dt_id = TEGRA30_CLK_I2S4 },
{ .con_id = "spdif_out" , .dev_id = "tegra30-spdif" , .dt_id = TEGRA30_CLK_SPDIF_OUT },
{ .con_id = "spdif_in" , .dev_id = "tegra30-spdif" , .dt_id = TEGRA30_CLK_SPDIF_IN },
{ .con_id = "d_audio" , .dev_id = "tegra30-ahub" , .dt_id = TEGRA30_CLK_D_AUDIO },
{ .dev_id = "tegra30-dam.0" , .dt_id = TEGRA30_CLK_DAM0 },
{ .dev_id = "tegra30-dam.1" , .dt_id = TEGRA30_CLK_DAM1 },
{ .dev_id = "tegra30-dam.2" , .dt_id = TEGRA30_CLK_DAM2 },
{ .con_id = "hda" , .dev_id = "tegra30-hda" , .dt_id = TEGRA30_CLK_HDA },
{ .con_id = "hda2codec_2x" , .dev_id = "tegra30-hda" , .dt_id = TEGRA30_CLK_HDA2CODEC_2X },
{ .dev_id = "spi_tegra.0" , .dt_id = TEGRA30_CLK_SBC1 },
{ .dev_id = "spi_tegra.1" , .dt_id = TEGRA30_CLK_SBC2 },
{ .dev_id = "spi_tegra.2" , .dt_id = TEGRA30_CLK_SBC3 },
{ .dev_id = "spi_tegra.3" , .dt_id = TEGRA30_CLK_SBC4 },
{ .dev_id = "spi_tegra.4" , .dt_id = TEGRA30_CLK_SBC5 },
{ .dev_id = "spi_tegra.5" , .dt_id = TEGRA30_CLK_SBC6 },
{ .dev_id = "tegra_sata_oob" , .dt_id = TEGRA30_CLK_SATA_OOB },
{ .dev_id = "tegra_sata" , .dt_id = TEGRA30_CLK_SATA },
{ .dev_id = "tegra_nand" , .dt_id = TEGRA30_CLK_NDFLASH },
{ .dev_id = "tegra_nand_speed" , .dt_id = TEGRA30_CLK_NDSPEED },
{ .dev_id = "vfir" , .dt_id = TEGRA30_CLK_VFIR },
{ .dev_id = "csite" , .dt_id = TEGRA30_CLK_CSITE },
{ .dev_id = "la" , .dt_id = TEGRA30_CLK_LA },
{ .dev_id = "tegra_w1" , .dt_id = TEGRA30_CLK_OWR },
{ .dev_id = "mipi" , .dt_id = TEGRA30_CLK_MIPI },
{ .dev_id = "tegra-tsensor" , .dt_id = TEGRA30_CLK_TSENSOR },
{ .dev_id = "i2cslow" , .dt_id = TEGRA30_CLK_I2CSLOW },
{ .dev_id = "vde" , .dt_id = TEGRA30_CLK_VDE },
{ .con_id = "vi" , .dev_id = "tegra_camera" , .dt_id = TEGRA30_CLK_VI },
{ .dev_id = "epp" , .dt_id = TEGRA30_CLK_EPP },
{ .dev_id = "mpe" , .dt_id = TEGRA30_CLK_MPE },
{ .dev_id = "host1x" , .dt_id = TEGRA30_CLK_HOST1X },
{ .dev_id = "3d" , .dt_id = TEGRA30_CLK_GR3D },
{ .dev_id = "3d2" , .dt_id = TEGRA30_CLK_GR3D2 },
{ .dev_id = "2d" , .dt_id = TEGRA30_CLK_GR2D },
{ .dev_id = "se" , .dt_id = TEGRA30_CLK_SE },
{ .dev_id = "mselect" , .dt_id = TEGRA30_CLK_MSELECT },
{ .dev_id = "tegra-nor" , .dt_id = TEGRA30_CLK_NOR },
{ .dev_id = "sdhci-tegra.0" , .dt_id = TEGRA30_CLK_SDMMC1 },
{ .dev_id = "sdhci-tegra.1" , .dt_id = TEGRA30_CLK_SDMMC2 },
{ .dev_id = "sdhci-tegra.2" , .dt_id = TEGRA30_CLK_SDMMC3 },
{ .dev_id = "sdhci-tegra.3" , .dt_id = TEGRA30_CLK_SDMMC4 },
{ .dev_id = "cve" , .dt_id = TEGRA30_CLK_CVE },
{ .dev_id = "tvo" , .dt_id = TEGRA30_CLK_TVO },
{ .dev_id = "tvdac" , .dt_id = TEGRA30_CLK_TVDAC },
{ .dev_id = "actmon" , .dt_id = TEGRA30_CLK_ACTMON },
{ .con_id = "vi_sensor" , .dev_id = "tegra_camera" , .dt_id = TEGRA30_CLK_VI_SENSOR },
{ .con_id = "div-clk" , .dev_id = "tegra-i2c.0" , .dt_id = TEGRA30_CLK_I2C1 },
{ .con_id = "div-clk" , .dev_id = "tegra-i2c.1" , .dt_id = TEGRA30_CLK_I2C2 },
{ .con_id = "div-clk" , .dev_id = "tegra-i2c.2" , .dt_id = TEGRA30_CLK_I2C3 },
{ .con_id = "div-clk" , .dev_id = "tegra-i2c.3" , .dt_id = TEGRA30_CLK_I2C4 },
{ .con_id = "div-clk" , .dev_id = "tegra-i2c.4" , .dt_id = TEGRA30_CLK_I2C5 },
{ .dev_id = "tegra_uart.0" , .dt_id = TEGRA30_CLK_UARTA },
{ .dev_id = "tegra_uart.1" , .dt_id = TEGRA30_CLK_UARTB },
{ .dev_id = "tegra_uart.2" , .dt_id = TEGRA30_CLK_UARTC },
{ .dev_id = "tegra_uart.3" , .dt_id = TEGRA30_CLK_UARTD },
{ .dev_id = "tegra_uart.4" , .dt_id = TEGRA30_CLK_UARTE },
{ .dev_id = "hdmi" , .dt_id = TEGRA30_CLK_HDMI },
{ .dev_id = "extern1" , .dt_id = TEGRA30_CLK_EXTERN1 },
{ .dev_id = "extern2" , .dt_id = TEGRA30_CLK_EXTERN2 },
{ .dev_id = "extern3" , .dt_id = TEGRA30_CLK_EXTERN3 },
{ .dev_id = "pwm" , .dt_id = TEGRA30_CLK_PWM },
{ .dev_id = "tegradc.0" , .dt_id = TEGRA30_CLK_DISP1 },
{ .dev_id = "tegradc.1" , .dt_id = TEGRA30_CLK_DISP2 },
{ .dev_id = "tegradc.1" , .dt_id = TEGRA30_CLK_DSIB },
};
static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = {
[tegra_clk_clk_32k] = { .dt_id = TEGRA30_CLK_CLK_32K, .present = true },
[tegra_clk_clk_m] = { .dt_id = TEGRA30_CLK_CLK_M, .present = true },
[tegra_clk_osc] = { .dt_id = TEGRA30_CLK_OSC, .present = true },
[tegra_clk_osc_div2] = { .dt_id = TEGRA30_CLK_OSC_DIV2, .present = true },
[tegra_clk_osc_div4] = { .dt_id = TEGRA30_CLK_OSC_DIV4, .present = true },
[tegra_clk_pll_ref] = { .dt_id = TEGRA30_CLK_PLL_REF, .present = true },
[tegra_clk_spdif_in_sync] = { .dt_id = TEGRA30_CLK_SPDIF_IN_SYNC, .present = true },
[tegra_clk_i2s0_sync] = { .dt_id = TEGRA30_CLK_I2S0_SYNC, .present = true },
[tegra_clk_i2s1_sync] = { .dt_id = TEGRA30_CLK_I2S1_SYNC, .present = true },
[tegra_clk_i2s2_sync] = { .dt_id = TEGRA30_CLK_I2S2_SYNC, .present = true },
[tegra_clk_i2s3_sync] = { .dt_id = TEGRA30_CLK_I2S3_SYNC, .present = true },
[tegra_clk_i2s4_sync] = { .dt_id = TEGRA30_CLK_I2S4_SYNC, .present = true },
[tegra_clk_vimclk_sync] = { .dt_id = TEGRA30_CLK_VIMCLK_SYNC, .present = true },
[tegra_clk_audio0] = { .dt_id = TEGRA30_CLK_AUDIO0, .present = true },
[tegra_clk_audio1] = { .dt_id = TEGRA30_CLK_AUDIO1, .present = true },
[tegra_clk_audio2] = { .dt_id = TEGRA30_CLK_AUDIO2, .present = true },
[tegra_clk_audio3] = { .dt_id = TEGRA30_CLK_AUDIO3, .present = true },
[tegra_clk_audio4] = { .dt_id = TEGRA30_CLK_AUDIO4, .present = true },
[tegra_clk_spdif] = { .dt_id = TEGRA30_CLK_SPDIF, .present = true },
[tegra_clk_audio0_mux] = { .dt_id = TEGRA30_CLK_AUDIO0_MUX, .present = true },
[tegra_clk_audio1_mux] = { .dt_id = TEGRA30_CLK_AUDIO1_MUX, .present = true },
[tegra_clk_audio2_mux] = { .dt_id = TEGRA30_CLK_AUDIO2_MUX, .present = true },
[tegra_clk_audio3_mux] = { .dt_id = TEGRA30_CLK_AUDIO3_MUX, .present = true },
[tegra_clk_audio4_mux] = { .dt_id = TEGRA30_CLK_AUDIO4_MUX, .present = true },
[tegra_clk_spdif_mux] = { .dt_id = TEGRA30_CLK_SPDIF_MUX, .present = true },
[tegra_clk_audio0_2x] = { .dt_id = TEGRA30_CLK_AUDIO0_2X, .present = true },
[tegra_clk_audio1_2x] = { .dt_id = TEGRA30_CLK_AUDIO1_2X, .present = true },
[tegra_clk_audio2_2x] = { .dt_id = TEGRA30_CLK_AUDIO2_2X, .present = true },
[tegra_clk_audio3_2x] = { .dt_id = TEGRA30_CLK_AUDIO3_2X, .present = true },
[tegra_clk_audio4_2x] = { .dt_id = TEGRA30_CLK_AUDIO4_2X, .present = true },
[tegra_clk_spdif_2x] = { .dt_id = TEGRA30_CLK_SPDIF_2X, .present = true },
[tegra_clk_hclk] = { .dt_id = TEGRA30_CLK_HCLK, .present = true },
[tegra_clk_pclk] = { .dt_id = TEGRA30_CLK_PCLK, .present = true },
[tegra_clk_i2s0] = { .dt_id = TEGRA30_CLK_I2S0, .present = true },
[tegra_clk_i2s1] = { .dt_id = TEGRA30_CLK_I2S1, .present = true },
[tegra_clk_i2s2] = { .dt_id = TEGRA30_CLK_I2S2, .present = true },
[tegra_clk_i2s3] = { .dt_id = TEGRA30_CLK_I2S3, .present = true },
[tegra_clk_i2s4] = { .dt_id = TEGRA30_CLK_I2S4, .present = true },
[tegra_clk_spdif_in] = { .dt_id = TEGRA30_CLK_SPDIF_IN, .present = true },
[tegra_clk_hda] = { .dt_id = TEGRA30_CLK_HDA, .present = true },
[tegra_clk_hda2codec_2x] = { .dt_id = TEGRA30_CLK_HDA2CODEC_2X, .present = true },
[tegra_clk_sbc1] = { .dt_id = TEGRA30_CLK_SBC1, .present = true },
[tegra_clk_sbc2] = { .dt_id = TEGRA30_CLK_SBC2, .present = true },
[tegra_clk_sbc3] = { .dt_id = TEGRA30_CLK_SBC3, .present = true },
[tegra_clk_sbc4] = { .dt_id = TEGRA30_CLK_SBC4, .present = true },
[tegra_clk_sbc5] = { .dt_id = TEGRA30_CLK_SBC5, .present = true },
[tegra_clk_sbc6] = { .dt_id = TEGRA30_CLK_SBC6, .present = true },
[tegra_clk_ndflash] = { .dt_id = TEGRA30_CLK_NDFLASH, .present = true },
[tegra_clk_ndspeed] = { .dt_id = TEGRA30_CLK_NDSPEED, .present = true },
[tegra_clk_vfir] = { .dt_id = TEGRA30_CLK_VFIR, .present = true },
[tegra_clk_la] = { .dt_id = TEGRA30_CLK_LA, .present = true },
[tegra_clk_csite] = { .dt_id = TEGRA30_CLK_CSITE, .present = true },
[tegra_clk_owr] = { .dt_id = TEGRA30_CLK_OWR, .present = true },
[tegra_clk_mipi] = { .dt_id = TEGRA30_CLK_MIPI, .present = true },
[tegra_clk_tsensor] = { .dt_id = TEGRA30_CLK_TSENSOR, .present = true },
[tegra_clk_i2cslow] = { .dt_id = TEGRA30_CLK_I2CSLOW, .present = true },
[tegra_clk_vde] = { .dt_id = TEGRA30_CLK_VDE, .present = true },
[tegra_clk_vi] = { .dt_id = TEGRA30_CLK_VI, .present = true },
[tegra_clk_epp] = { .dt_id = TEGRA30_CLK_EPP, .present = true },
[tegra_clk_mpe] = { .dt_id = TEGRA30_CLK_MPE, .present = true },
[tegra_clk_host1x] = { .dt_id = TEGRA30_CLK_HOST1X, .present = true },
[tegra_clk_gr2d] = { .dt_id = TEGRA30_CLK_GR2D, .present = true },
[tegra_clk_gr3d] = { .dt_id = TEGRA30_CLK_GR3D, .present = true },
[tegra_clk_mselect] = { .dt_id = TEGRA30_CLK_MSELECT, .present = true },
[tegra_clk_nor] = { .dt_id = TEGRA30_CLK_NOR, .present = true },
[tegra_clk_sdmmc1] = { .dt_id = TEGRA30_CLK_SDMMC1, .present = true },
[tegra_clk_sdmmc2] = { .dt_id = TEGRA30_CLK_SDMMC2, .present = true },
[tegra_clk_sdmmc3] = { .dt_id = TEGRA30_CLK_SDMMC3, .present = true },
[tegra_clk_sdmmc4] = { .dt_id = TEGRA30_CLK_SDMMC4, .present = true },
[tegra_clk_cve] = { .dt_id = TEGRA30_CLK_CVE, .present = true },
[tegra_clk_tvo] = { .dt_id = TEGRA30_CLK_TVO, .present = true },
[tegra_clk_tvdac] = { .dt_id = TEGRA30_CLK_TVDAC, .present = true },
[tegra_clk_actmon] = { .dt_id = TEGRA30_CLK_ACTMON, .present = true },
[tegra_clk_vi_sensor] = { .dt_id = TEGRA30_CLK_VI_SENSOR, .present = true },
[tegra_clk_i2c1] = { .dt_id = TEGRA30_CLK_I2C1, .present = true },
[tegra_clk_i2c2] = { .dt_id = TEGRA30_CLK_I2C2, .present = true },
[tegra_clk_i2c3] = { .dt_id = TEGRA30_CLK_I2C3, .present = true },
[tegra_clk_i2c4] = { .dt_id = TEGRA30_CLK_I2C4, .present = true },
[tegra_clk_i2c5] = { .dt_id = TEGRA30_CLK_I2C5, .present = true },
[tegra_clk_uarta] = { .dt_id = TEGRA30_CLK_UARTA, .present = true },
[tegra_clk_uartb] = { .dt_id = TEGRA30_CLK_UARTB, .present = true },
[tegra_clk_uartc] = { .dt_id = TEGRA30_CLK_UARTC, .present = true },
[tegra_clk_uartd] = { .dt_id = TEGRA30_CLK_UARTD, .present = true },
[tegra_clk_uarte] = { .dt_id = TEGRA30_CLK_UARTE, .present = true },
[tegra_clk_extern1] = { .dt_id = TEGRA30_CLK_EXTERN1, .present = true },
[tegra_clk_extern2] = { .dt_id = TEGRA30_CLK_EXTERN2, .present = true },
[tegra_clk_extern3] = { .dt_id = TEGRA30_CLK_EXTERN3, .present = true },
[tegra_clk_disp1] = { .dt_id = TEGRA30_CLK_DISP1, .present = true },
[tegra_clk_disp2] = { .dt_id = TEGRA30_CLK_DISP2, .present = true },
[tegra_clk_ahbdma] = { .dt_id = TEGRA30_CLK_AHBDMA, .present = true },
[tegra_clk_apbdma] = { .dt_id = TEGRA30_CLK_APBDMA, .present = true },
[tegra_clk_rtc] = { .dt_id = TEGRA30_CLK_RTC, .present = true },
[tegra_clk_timer] = { .dt_id = TEGRA30_CLK_TIMER, .present = true },
[tegra_clk_kbc] = { .dt_id = TEGRA30_CLK_KBC, .present = true },
[tegra_clk_csus] = { .dt_id = TEGRA30_CLK_CSUS, .present = true },
[tegra_clk_vcp] = { .dt_id = TEGRA30_CLK_VCP, .present = true },
[tegra_clk_bsea] = { .dt_id = TEGRA30_CLK_BSEA, .present = true },
[tegra_clk_bsev] = { .dt_id = TEGRA30_CLK_BSEV, .present = true },
[tegra_clk_usbd] = { .dt_id = TEGRA30_CLK_USBD, .present = true },
[tegra_clk_usb2] = { .dt_id = TEGRA30_CLK_USB2, .present = true },
[tegra_clk_usb3] = { .dt_id = TEGRA30_CLK_USB3, .present = true },
[tegra_clk_csi] = { .dt_id = TEGRA30_CLK_CSI, .present = true },
[tegra_clk_isp] = { .dt_id = TEGRA30_CLK_ISP, .present = true },
[tegra_clk_kfuse] = { .dt_id = TEGRA30_CLK_KFUSE, .present = true },
[tegra_clk_fuse] = { .dt_id = TEGRA30_CLK_FUSE, .present = true },
[tegra_clk_fuse_burn] = { .dt_id = TEGRA30_CLK_FUSE_BURN, .present = true },
[tegra_clk_apbif] = { .dt_id = TEGRA30_CLK_APBIF, .present = true },
[tegra_clk_hda2hdmi] = { .dt_id = TEGRA30_CLK_HDA2HDMI, .present = true },
[tegra_clk_sata_cold] = { .dt_id = TEGRA30_CLK_SATA_COLD, .present = true },
[tegra_clk_sata_oob] = { .dt_id = TEGRA30_CLK_SATA_OOB, .present = true },
[tegra_clk_sata] = { .dt_id = TEGRA30_CLK_SATA, .present = true },
[tegra_clk_dtv] = { .dt_id = TEGRA30_CLK_DTV, .present = true },
[tegra_clk_pll_p] = { .dt_id = TEGRA30_CLK_PLL_P, .present = true },
[tegra_clk_pll_p_out1] = { .dt_id = TEGRA30_CLK_PLL_P_OUT1, .present = true },
[tegra_clk_pll_p_out2] = { .dt_id = TEGRA30_CLK_PLL_P_OUT2, .present = true },
[tegra_clk_pll_p_out3] = { .dt_id = TEGRA30_CLK_PLL_P_OUT3, .present = true },
[tegra_clk_pll_p_out4] = { .dt_id = TEGRA30_CLK_PLL_P_OUT4, .present = true },
[tegra_clk_pll_a] = { .dt_id = TEGRA30_CLK_PLL_A, .present = true },
[tegra_clk_pll_a_out0] = { .dt_id = TEGRA30_CLK_PLL_A_OUT0, .present = true },
[tegra_clk_cec] = { .dt_id = TEGRA30_CLK_CEC, .present = true },
[tegra_clk_emc] = { .dt_id = TEGRA30_CLK_EMC, .present = false },
};
static const char *pll_e_parents[] = { "pll_ref" , "pll_p" };
static void __init tegra30_pll_init(void )
{
struct clk *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[TEGRA30_CLK_PLL_C_OUT1] = 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_SET_RATE_PARENT, 0 , NULL);
clks[TEGRA30_CLK_PLL_M_OUT1] = clk;
/* PLLX */
clk = tegra_clk_register_pll("pll_x" , "pll_ref" , clk_base, pmc_base, 0 ,
&pll_x_params, NULL);
clks[TEGRA30_CLK_PLL_X] = clk;
/* PLLX_OUT0 */
clk = clk_register_fixed_factor(NULL, "pll_x_out0" , "pll_x" ,
CLK_SET_RATE_PARENT, 1 , 2 );
clks[TEGRA30_CLK_PLL_X_OUT0] = clk;
/* PLLU */
clk = tegra_clk_register_pllu("pll_u" , "pll_ref" , clk_base, 0 ,
&pll_u_params, NULL);
clks[TEGRA30_CLK_PLL_U] = clk;
/* PLLD */
clk = tegra_clk_register_pll("pll_d" , "pll_ref" , clk_base, pmc_base, 0 ,
&pll_d_params, &pll_d_lock);
clks[TEGRA30_CLK_PLL_D] = clk;
/* PLLD_OUT0 */
clk = clk_register_fixed_factor(NULL, "pll_d_out0" , "pll_d" ,
CLK_SET_RATE_PARENT, 1 , 2 );
clks[TEGRA30_CLK_PLL_D_OUT0] = clk;
/* PLLD2 */
clk = tegra_clk_register_pll("pll_d2" , "pll_ref" , clk_base, pmc_base, 0 ,
&pll_d2_params, NULL);
clks[TEGRA30_CLK_PLL_D2] = clk;
/* PLLD2_OUT0 */
clk = clk_register_fixed_factor(NULL, "pll_d2_out0" , "pll_d2" ,
CLK_SET_RATE_PARENT, 1 , 2 );
clks[TEGRA30_CLK_PLL_D2_OUT0] = clk;
/* PLLE */
clk = clk_register_mux(NULL, "pll_e_mux" , pll_e_parents,
ARRAY_SIZE(pll_e_parents),
CLK_SET_RATE_NO_REPARENT,
clk_base + PLLE_AUX, 2 , 1 , 0 , NULL);
}
static const char *cclk_g_parents[] = { "clk_m" , "pll_c" , "clk_32k" , "pll_m" ,
"pll_p_cclkg" , "pll_p_out4_cclkg" ,
"pll_p_out3_cclkg" , "unused" , "pll_x" };
static const char *cclk_lp_parents[] = { "clk_m" , "pll_c" , "clk_32k" , "pll_m" ,
"pll_p_cclklp" , "pll_p_out4_cclklp" ,
"pll_p_out3_cclklp" , "unused" , "pll_x" ,
"pll_x_out0" };
static const char *sclk_parents[] = { "clk_m" , "pll_c_out1" , "pll_p_out4" ,
"pll_p_out3" , "pll_p_out2" , "unused" ,
"clk_32k" , "pll_m_out1" };
static void __init tegra30_super_clk_init(void )
{
struct clk *clk;
/*
* Clock input to cclk_g divided from pll_p using
* U71 divider of cclk_g.
*/
clk = tegra_clk_register_divider("pll_p_cclkg" , "pll_p" ,
clk_base + SUPER_CCLKG_DIVIDER, 0 ,
TEGRA_DIVIDER_INT, 16 , 8 , 1 , NULL);
clk_register_clkdev(clk, "pll_p_cclkg" , NULL);
/*
* Clock input to cclk_g divided from pll_p_out3 using
* U71 divider of cclk_g.
*/
clk = tegra_clk_register_divider("pll_p_out3_cclkg" , "pll_p_out3" ,
clk_base + SUPER_CCLKG_DIVIDER, 0 ,
TEGRA_DIVIDER_INT, 16 , 8 , 1 , NULL);
clk_register_clkdev(clk, "pll_p_out3_cclkg" , NULL);
/*
* Clock input to cclk_g divided from pll_p_out4 using
* U71 divider of cclk_g.
*/
clk = tegra_clk_register_divider("pll_p_out4_cclkg" , "pll_p_out4" ,
clk_base + SUPER_CCLKG_DIVIDER, 0 ,
TEGRA_DIVIDER_INT, 16 , 8 , 1 , NULL);
clk_register_clkdev(clk, "pll_p_out4_cclkg" , NULL);
/* CCLKG */
clk = tegra_clk_register_super_cclk("cclk_g" , cclk_g_parents,
ARRAY_SIZE(cclk_g_parents),
CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
clk_base + CCLKG_BURST_POLICY,
0 , NULL);
clks[TEGRA30_CLK_CCLK_G] = clk;
/*
* Clock input to cclk_lp divided from pll_p using
* U71 divider of cclk_lp.
*/
clk = tegra_clk_register_divider("pll_p_cclklp" , "pll_p" ,
clk_base + SUPER_CCLKLP_DIVIDER, 0 ,
TEGRA_DIVIDER_INT, 16 , 8 , 1 , NULL);
clk_register_clkdev(clk, "pll_p_cclklp" , NULL);
/*
* Clock input to cclk_lp divided from pll_p_out3 using
* U71 divider of cclk_lp.
*/
clk = tegra_clk_register_divider("pll_p_out3_cclklp" , "pll_p_out3" ,
clk_base + SUPER_CCLKLP_DIVIDER, 0 ,
TEGRA_DIVIDER_INT, 16 , 8 , 1 , NULL);
clk_register_clkdev(clk, "pll_p_out3_cclklp" , NULL);
/*
* Clock input to cclk_lp divided from pll_p_out4 using
* U71 divider of cclk_lp.
*/
clk = tegra_clk_register_divider("pll_p_out4_cclklp" , "pll_p_out4" ,
clk_base + SUPER_CCLKLP_DIVIDER, 0 ,
TEGRA_DIVIDER_INT, 16 , 8 , 1 , NULL);
clk_register_clkdev(clk, "pll_p_out4_cclklp" , NULL);
/* CCLKLP */
clk = tegra_clk_register_super_mux("cclk_lp" , cclk_lp_parents,
ARRAY_SIZE(cclk_lp_parents),
CLK_SET_RATE_PARENT,
clk_base + CCLKLP_BURST_POLICY,
TEGRA_DIVIDER_2, 4 , 8 , 9 ,
NULL);
clks[TEGRA30_CLK_CCLK_LP] = clk;
/* twd */
clk = clk_register_fixed_factor(NULL, "twd" , "cclk_g" ,
CLK_SET_RATE_PARENT, 1 , 2 );
clks[TEGRA30_CLK_TWD] = clk;
tegra_super_clk_gen4_init(clk_base, pmc_base, tegra30_clks, NULL);
}
static const char *mux_pllacp_clkm[] = { "pll_a_out0" , "unused" , "pll_p" ,
"clk_m" };
static const char *mux_pllpcm_clkm[] = { "pll_p" , "pll_c" , "pll_m" , "clk_m" };
static const char *spdif_out_parents[] = { "pll_a_out0" , "spdif_2x" , "pll_p" ,
"clk_m" };
static const char *mux_pllmcpa[] = { "pll_m" , "pll_c" , "pll_p" , "pll_a_out0" };
static const char *mux_pllpmdacd2_clkm[] = { "pll_p" , "pll_m" , "pll_d_out0" ,
"pll_a_out0" , "pll_c" ,
"pll_d2_out0" , "clk_m" };
static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0" ,
"pll_d2_out0" };
static const char *pwm_parents[] = { "pll_p" , "pll_c" , "clk_32k" , "clk_m" };
static struct tegra_periph_init_data tegra_periph_clk_list[] = {
TEGRA_INIT_DATA_MUX("spdif_out" , spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10 , TEGRA_PERIPH_ON_APB, TEGRA30_CLK_SPDIF_OUT),
TEGRA_INIT_DATA_MUX("d_audio" , mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106 , 0 , TEGRA30_CLK_D_AUDIO),
TEGRA_INIT_DATA_MUX("dam0" , mux_pllacp_clkm, CLK_SOURCE_DAM0, 108 , 0 , TEGRA30_CLK_DAM0),
TEGRA_INIT_DATA_MUX("dam1" , mux_pllacp_clkm, CLK_SOURCE_DAM1, 109 , 0 , TEGRA30_CLK_DAM1),
TEGRA_INIT_DATA_MUX("dam2" , mux_pllacp_clkm, CLK_SOURCE_DAM2, 110 , 0 , TEGRA30_CLK_DAM2),
TEGRA_INIT_DATA_INT("3d2" , mux_pllmcpa, CLK_SOURCE_3D2, 98 , 0 , TEGRA30_CLK_GR3D2),
TEGRA_INIT_DATA_INT("se" , mux_pllpcm_clkm, CLK_SOURCE_SE, 127 , 0 , TEGRA30_CLK_SE),
TEGRA_INIT_DATA_MUX8("hdmi" , mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51 , 0 , TEGRA30_CLK_HDMI),
TEGRA_INIT_DATA("pwm" , NULL, NULL, pwm_parents, CLK_SOURCE_PWM, 28 , 2 , 0 , 0 , 8 , 1 , 0 , 17 , TEGRA_PERIPH_ON_APB, TEGRA30_CLK_PWM),
};
static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {
TEGRA_INIT_DATA_NODIV("dsib" , mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25 , 1 , 82 , 0 , TEGRA30_CLK_DSIB),
};
static void __init tegra30_periph_clk_init(void )
{
struct tegra_periph_init_data *data;
struct clk *clk;
unsigned int i;
/* dsia */
clk = tegra_clk_register_periph_gate("dsia" , "pll_d_out0" , 0 , clk_base,
0 , 48 , periph_clk_enb_refcnt);
clks[TEGRA30_CLK_DSIA] = clk;
/* pcie */
clk = tegra_clk_register_periph_gate("pcie" , "clk_m" , 0 , clk_base, 0 ,
70 , periph_clk_enb_refcnt);
clks[TEGRA30_CLK_PCIE] = clk;
/* afi */
clk = tegra_clk_register_periph_gate("afi" , "clk_m" , 0 , clk_base, 0 , 72 ,
periph_clk_enb_refcnt);
clks[TEGRA30_CLK_AFI] = clk;
/* emc */
clk = tegra20_clk_register_emc(clk_base + CLK_SOURCE_EMC, true );
clks[TEGRA30_CLK_EMC] = clk;
clk = tegra_clk_register_mc("mc" , "emc" , clk_base + CLK_SOURCE_EMC,
NULL);
clks[TEGRA30_CLK_MC] = clk;
/* cml0 */
clk = clk_register_gate(NULL, "cml0" , "pll_e" , 0 , clk_base + PLLE_AUX,
0 , 0 , &cml_lock);
clks[TEGRA30_CLK_CML0] = clk;
/* cml1 */
clk = clk_register_gate(NULL, "cml1" , "pll_e" , 0 , clk_base + PLLE_AUX,
1 , 0 , &cml_lock);
clks[TEGRA30_CLK_CML1] = 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;
}
for (i = 0 ; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) {
data = &tegra_periph_nodiv_clk_list[i];
clk = tegra_clk_register_periph_nodiv(data->name,
data->p.parent_names,
data->num_parents, &data->periph,
clk_base, data->offset);
clks[data->clk_id] = clk;
}
tegra_periph_clk_init(clk_base, pmc_base, tegra30_clks, &pll_p_params);
}
/* Tegra30 CPU clock and reset control functions */
static void tegra30_wait_cpu_in_reset(u32 cpu)
{
unsigned int reg;
do {
reg = readl(clk_base +
TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
cpu_relax();
} while (!(reg & (1 << cpu))); /* check CPU been reset or not */
return ;
}
static void tegra30_put_cpu_in_reset(u32 cpu)
{
writel(CPU_RESET(cpu),
clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
dmb();
}
static void tegra30_cpu_out_of_reset(u32 cpu)
{
writel(CPU_RESET(cpu),
clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
wmb();
}
static void tegra30_enable_cpu_clock(u32 cpu)
{
writel(CPU_CLOCK(cpu),
clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
readl(clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
}
static void tegra30_disable_cpu_clock(u32 cpu)
{
unsigned int reg;
reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
writel(reg | CPU_CLOCK(cpu),
clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
}
#ifdef CONFIG_PM_SLEEP
static bool tegra30_cpu_rail_off_ready(void )
{
unsigned int cpu_rst_status;
int cpu_pwr_status;
cpu_rst_status = readl(clk_base +
TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
cpu_pwr_status = tegra_pmc_cpu_is_powered(1 ) ||
tegra_pmc_cpu_is_powered(2 ) ||
tegra_pmc_cpu_is_powered(3 );
if (((cpu_rst_status & 0 xE) != 0 xE) || cpu_pwr_status)
return false ;
return true ;
}
static void tegra30_cpu_clock_suspend(void )
{
/* switch coresite to clk_m, save off original source */
tegra30_cpu_clk_sctx.clk_csite_src =
readl(clk_base + CLK_RESET_SOURCE_CSITE);
writel(3 << 30 , clk_base + CLK_RESET_SOURCE_CSITE);
tegra30_cpu_clk_sctx.cpu_burst =
readl(clk_base + CLK_RESET_CCLK_BURST);
tegra30_cpu_clk_sctx.pllx_base =
readl(clk_base + CLK_RESET_PLLX_BASE);
tegra30_cpu_clk_sctx.pllx_misc =
readl(clk_base + CLK_RESET_PLLX_MISC);
tegra30_cpu_clk_sctx.cclk_divider =
readl(clk_base + CLK_RESET_CCLK_DIVIDER);
}
static void tegra30_cpu_clock_resume(void )
{
unsigned int reg, policy;
u32 misc, base;
/* Is CPU complex already running on PLLX? */
reg = readl(clk_base + CLK_RESET_CCLK_BURST);
policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0 xF;
if (policy == CLK_RESET_CCLK_IDLE_POLICY)
reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0 xF;
else if (policy == CLK_RESET_CCLK_RUN_POLICY)
reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0 xF;
else
BUG();
if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) {
misc = readl_relaxed(clk_base + CLK_RESET_PLLX_MISC);
base = readl_relaxed(clk_base + CLK_RESET_PLLX_BASE);
if (misc != tegra30_cpu_clk_sctx.pllx_misc ||
base != tegra30_cpu_clk_sctx.pllx_base) {
/* restore PLLX settings if CPU is on different PLL */
writel(tegra30_cpu_clk_sctx.pllx_misc,
clk_base + CLK_RESET_PLLX_MISC);
writel(tegra30_cpu_clk_sctx.pllx_base,
clk_base + CLK_RESET_PLLX_BASE);
/* wait for PLL stabilization if PLLX was enabled */
if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30 ))
udelay(300 );
}
}
/*
* Restore original burst policy setting for calls resulting from CPU
* LP2 in idle or system suspend.
*/
writel(tegra30_cpu_clk_sctx.cclk_divider,
clk_base + CLK_RESET_CCLK_DIVIDER);
writel(tegra30_cpu_clk_sctx.cpu_burst,
clk_base + CLK_RESET_CCLK_BURST);
writel(tegra30_cpu_clk_sctx.clk_csite_src,
clk_base + CLK_RESET_SOURCE_CSITE);
}
#endif
static struct tegra_cpu_car_ops tegra30_cpu_car_ops = {
.wait_for_reset = tegra30_wait_cpu_in_reset,
.put_in_reset = tegra30_put_cpu_in_reset,
.out_of_reset = tegra30_cpu_out_of_reset,
.enable_clock = tegra30_enable_cpu_clock,
.disable_clock = tegra30_disable_cpu_clock,
#ifdef CONFIG_PM_SLEEP
.rail_off_ready = tegra30_cpu_rail_off_ready,
.suspend = tegra30_cpu_clock_suspend,
.resume = tegra30_cpu_clock_resume,
#endif
};
static struct tegra_clk_init_table init_table[] = {
{ TEGRA30_CLK_UARTA, TEGRA30_CLK_PLL_P, 408000000 , 0 },
{ TEGRA30_CLK_UARTB, TEGRA30_CLK_PLL_P, 408000000 , 0 },
{ TEGRA30_CLK_UARTC, TEGRA30_CLK_PLL_P, 408000000 , 0 },
{ TEGRA30_CLK_UARTD, TEGRA30_CLK_PLL_P, 408000000 , 0 },
{ TEGRA30_CLK_UARTE, TEGRA30_CLK_PLL_P, 408000000 , 0 },
{ TEGRA30_CLK_PLL_A, TEGRA30_CLK_CLK_MAX, 564480000 , 0 },
{ TEGRA30_CLK_PLL_A_OUT0, TEGRA30_CLK_CLK_MAX, 11289600 , 0 },
{ TEGRA30_CLK_I2S0, TEGRA30_CLK_PLL_A_OUT0, 11289600 , 0 },
{ TEGRA30_CLK_I2S1, TEGRA30_CLK_PLL_A_OUT0, 11289600 , 0 },
{ TEGRA30_CLK_I2S2, TEGRA30_CLK_PLL_A_OUT0, 11289600 , 0 },
{ TEGRA30_CLK_I2S3, TEGRA30_CLK_PLL_A_OUT0, 11289600 , 0 },
{ TEGRA30_CLK_I2S4, TEGRA30_CLK_PLL_A_OUT0, 11289600 , 0 },
{ TEGRA30_CLK_SDMMC1, TEGRA30_CLK_PLL_P, 48000000 , 0 },
{ TEGRA30_CLK_SDMMC2, TEGRA30_CLK_PLL_P, 48000000 , 0 },
{ TEGRA30_CLK_SDMMC3, TEGRA30_CLK_PLL_P, 48000000 , 0 },
{ TEGRA30_CLK_CSITE, TEGRA30_CLK_CLK_MAX, 0 , 1 },
{ TEGRA30_CLK_MSELECT, TEGRA30_CLK_CLK_MAX, 0 , 1 },
{ TEGRA30_CLK_SBC1, TEGRA30_CLK_PLL_P, 100000000 , 0 },
{ TEGRA30_CLK_SBC2, TEGRA30_CLK_PLL_P, 100000000 , 0 },
{ TEGRA30_CLK_SBC3, TEGRA30_CLK_PLL_P, 100000000 , 0 },
{ TEGRA30_CLK_SBC4, TEGRA30_CLK_PLL_P, 100000000 , 0 },
{ TEGRA30_CLK_SBC5, TEGRA30_CLK_PLL_P, 100000000 , 0 },
{ TEGRA30_CLK_SBC6, TEGRA30_CLK_PLL_P, 100000000 , 0 },
{ TEGRA30_CLK_PLL_C, TEGRA30_CLK_CLK_MAX, 600000000 , 0 },
{ TEGRA30_CLK_HOST1X, TEGRA30_CLK_PLL_C, 150000000 , 0 },
{ TEGRA30_CLK_TWD, TEGRA30_CLK_CLK_MAX, 0 , 1 },
{ TEGRA30_CLK_GR2D, TEGRA30_CLK_PLL_C, 300000000 , 0 },
{ TEGRA30_CLK_GR3D, TEGRA30_CLK_PLL_C, 300000000 , 0 },
{ TEGRA30_CLK_GR3D2, TEGRA30_CLK_PLL_C, 300000000 , 0 },
{ TEGRA30_CLK_PLL_U, TEGRA30_CLK_CLK_MAX, 480000000 , 0 },
{ TEGRA30_CLK_VDE, TEGRA30_CLK_PLL_C, 300000000 , 0 },
{ TEGRA30_CLK_SPDIF_IN_SYNC, TEGRA30_CLK_CLK_MAX, 24000000 , 0 },
{ TEGRA30_CLK_I2S0_SYNC, TEGRA30_CLK_CLK_MAX, 24000000 , 0 },
{ TEGRA30_CLK_I2S1_SYNC, TEGRA30_CLK_CLK_MAX, 24000000 , 0 },
{ TEGRA30_CLK_I2S2_SYNC, TEGRA30_CLK_CLK_MAX, 24000000 , 0 },
{ TEGRA30_CLK_I2S3_SYNC, TEGRA30_CLK_CLK_MAX, 24000000 , 0 },
{ TEGRA30_CLK_I2S4_SYNC, TEGRA30_CLK_CLK_MAX, 24000000 , 0 },
{ TEGRA30_CLK_VIMCLK_SYNC, TEGRA30_CLK_CLK_MAX, 24000000 , 0 },
{ TEGRA30_CLK_HDA, TEGRA30_CLK_PLL_P, 102000000 , 0 },
{ TEGRA30_CLK_HDA2CODEC_2X, TEGRA30_CLK_PLL_P, 48000000 , 0 },
{ TEGRA30_CLK_PWM, TEGRA30_CLK_PLL_P, 48000000 , 0 },
/* must be the last entry */
{ TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0 , 0 },
};
/*
* Some clocks may be used by different drivers depending on the board
* configuration. List those here to register them twice in the clock lookup
* table under two names.
*/
static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "utmip-pad" , NULL),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "tegra-ehci.0" , NULL),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_USBD, "tegra-otg" , NULL),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEV, "tegra-avp" , "bsev" ),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEV, "nvavp" , "bsev" ),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_VDE, "tegra-aes" , "vde" ),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEA, "tegra-aes" , "bsea" ),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_BSEA, "nvavp" , "bsea" ),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CML1, "tegra_sata_cml" , NULL),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CML0, "tegra_pcie" , "cml" ),
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_VCP, "nvavp" , "vcp" ),
/* must be the last entry */
TEGRA_CLK_DUPLICATE(TEGRA30_CLK_CLK_MAX, NULL, NULL),
};
static const struct of_device_id pmc_match[] __initconst = {
{ .compatible = "nvidia,tegra30-pmc" },
{ },
};
static struct tegra_audio_clk_info tegra30_audio_plls[] = {
{ "pll_a" , &pll_a_params, tegra_clk_pll_a, "pll_p_out1" },
};
static bool tegra30_car_initialized;
static struct clk *tegra30_clk_src_onecell_get(struct of_phandle_args *clkspec,
void *data)
{
struct clk_hw *hw;
struct clk *clk;
/*
* Timer clocks are needed early, the rest of the clocks shouldn't be
* available to device drivers until clock tree is fully initialized.
*/
if (clkspec->args[0 ] != TEGRA30_CLK_RTC &&
clkspec->args[0 ] != TEGRA30_CLK_TWD &&
clkspec->args[0 ] != TEGRA30_CLK_TIMER &&
!tegra30_car_initialized)
return ERR_PTR(-EPROBE_DEFER);
clk = of_clk_src_onecell_get(clkspec, data);
if (IS_ERR(clk))
return clk;
hw = __clk_get_hw(clk);
if (clkspec->args[0 ] == TEGRA30_CLK_EMC) {
if (!tegra20_clk_emc_driver_available(hw))
return ERR_PTR(-EPROBE_DEFER);
}
return clk;
}
static void __init tegra30_clock_init(struct device_node *np)
{
struct device_node *node;
clk_base = of_iomap(np, 0 );
if (!clk_base) {
pr_err("ioremap tegra30 CAR failed\n" );
return ;
}
node = of_find_matching_node(NULL, pmc_match);
if (!node) {
pr_err("Failed to find pmc node\n" );
BUG();
}
pmc_base = of_iomap(node, 0 );
of_node_put(node);
if (!pmc_base) {
pr_err("Can't map pmc registers\n" );
BUG();
}
clks = tegra_clk_init(clk_base, TEGRA30_CLK_CLK_MAX,
TEGRA30_CLK_PERIPH_BANKS);
if (!clks)
return ;
if (tegra_osc_clk_init(clk_base, tegra30_clks, tegra30_input_freq,
ARRAY_SIZE(tegra30_input_freq), 1 , &input_freq,
NULL) < 0 )
return ;
tegra_fixed_clk_init(tegra30_clks);
tegra30_pll_init();
tegra30_super_clk_init();
tegra30_periph_clk_init();
tegra_audio_clk_init(clk_base, pmc_base, tegra30_clks,
tegra30_audio_plls,
ARRAY_SIZE(tegra30_audio_plls), 24000000 );
tegra_init_dup_clks(tegra_clk_duplicates, clks, TEGRA30_CLK_CLK_MAX);
tegra_add_of_provider(np, tegra30_clk_src_onecell_get);
tegra_cpu_car_ops = &tegra30_cpu_car_ops;
}
CLK_OF_DECLARE_DRIVER(tegra30, "nvidia,tegra30-car" , tegra30_clock_init);
/*
* Clocks that use runtime PM can't be created at the tegra30_clock_init
* time because drivers' base isn't initialized yet, and thus platform
* devices can't be created for the clocks. Hence we need to split the
* registration of the clocks into two phases. The first phase registers
* essential clocks which don't require RPM and are actually used during
* early boot. The second phase registers clocks which use RPM and this
* is done when device drivers' core API is ready.
*/
static int tegra30_car_probe(struct platform_device *pdev)
{
struct clk *clk;
/* PLLC */
clk = tegra_clk_register_pll("pll_c" , "pll_ref" , clk_base, pmc_base, 0 ,
&pll_c_params, NULL);
clks[TEGRA30_CLK_PLL_C] = clk;
/* PLLE */
clk = tegra_clk_register_plle("pll_e" , "pll_e_mux" , clk_base, pmc_base,
CLK_GET_RATE_NOCACHE, &pll_e_params, NULL);
clks[TEGRA30_CLK_PLL_E] = clk;
/* PLLM */
clk = tegra_clk_register_pll("pll_m" , "pll_ref" , clk_base, pmc_base,
CLK_SET_RATE_GATE, &pll_m_params, NULL);
clks[TEGRA30_CLK_PLL_M] = clk;
/* SCLK */
clk = tegra_clk_register_super_mux("sclk" , sclk_parents,
ARRAY_SIZE(sclk_parents),
CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
clk_base + SCLK_BURST_POLICY,
0 , 4 , 0 , 0 , NULL);
clks[TEGRA30_CLK_SCLK] = clk;
tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
tegra_init_from_table(init_table, clks, TEGRA30_CLK_CLK_MAX);
tegra30_car_initialized = true ;
return 0 ;
}
static const struct of_device_id tegra30_car_match[] = {
{ .compatible = "nvidia,tegra30-car" },
{ }
};
static struct platform_driver tegra30_car_driver = {
.driver = {
.name = "tegra30-car" ,
.of_match_table = tegra30_car_match,
.suppress_bind_attrs = true ,
},
.probe = tegra30_car_probe,
};
/*
* Clock driver must be registered before memory controller driver,
* which doesn't support deferred probing for today and is registered
* from arch init-level.
*/
static int tegra30_car_init(void )
{
return platform_driver_register(&tegra30_car_driver);
}
postcore_initcall(tegra30_car_init);
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(vorverarbeitet am 2026-06-08)
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