/* * Copyright (c) 2012, 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 . */ #include #include #include #include #include #include #include #include #include #include "clk.h" #define RST_DEVICES_L 0x004 #define RST_DEVICES_H 0x008 #define RST_DEVICES_U 0x00c #define RST_DEVICES_V 0x358 #define RST_DEVICES_W 0x35c #define RST_DEVICES_SET_L 0x300 #define RST_DEVICES_CLR_L 0x304 #define RST_DEVICES_SET_H 0x308 #define RST_DEVICES_CLR_H 0x30c #define RST_DEVICES_SET_U 0x310 #define RST_DEVICES_CLR_U 0x314 #define RST_DEVICES_SET_V 0x430 #define RST_DEVICES_CLR_V 0x434 #define RST_DEVICES_SET_W 0x438 #define RST_DEVICES_CLR_W 0x43c #define RST_DEVICES_NUM 5 #define CLK_OUT_ENB_L 0x010 #define CLK_OUT_ENB_H 0x014 #define CLK_OUT_ENB_U 0x018 #define CLK_OUT_ENB_V 0x360 #define CLK_OUT_ENB_W 0x364 #define CLK_OUT_ENB_SET_L 0x320 #define CLK_OUT_ENB_CLR_L 0x324 #define CLK_OUT_ENB_SET_H 0x328 #define CLK_OUT_ENB_CLR_H 0x32c #define CLK_OUT_ENB_SET_U 0x330 #define CLK_OUT_ENB_CLR_U 0x334 #define CLK_OUT_ENB_SET_V 0x440 #define CLK_OUT_ENB_CLR_V 0x444 #define CLK_OUT_ENB_SET_W 0x448 #define CLK_OUT_ENB_CLR_W 0x44c #define CLK_OUT_ENB_NUM 5 #define OSC_CTRL 0x50 #define OSC_CTRL_OSC_FREQ_MASK (0xF<<28) #define OSC_CTRL_OSC_FREQ_13MHZ (0X0<<28) #define OSC_CTRL_OSC_FREQ_19_2MHZ (0X4<<28) #define OSC_CTRL_OSC_FREQ_12MHZ (0X8<<28) #define OSC_CTRL_OSC_FREQ_26MHZ (0XC<<28) #define OSC_CTRL_OSC_FREQ_16_8MHZ (0X1<<28) #define OSC_CTRL_OSC_FREQ_38_4MHZ (0X5<<28) #define OSC_CTRL_OSC_FREQ_48MHZ (0X9<<28) #define OSC_CTRL_MASK (0x3f2 | 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 0x58 #define OSC_FREQ_DET_TRIG BIT(31) #define OSC_FREQ_DET_STATUS 0x5c #define OSC_FREQ_DET_BUSY BIT(31) #define OSC_FREQ_DET_CNT_MASK 0xffff #define CCLKG_BURST_POLICY 0x368 #define SUPER_CCLKG_DIVIDER 0x36c #define CCLKLP_BURST_POLICY 0x370 #define SUPER_CCLKLP_DIVIDER 0x374 #define SCLK_BURST_POLICY 0x028 #define SUPER_SCLK_DIVIDER 0x02c #define SYSTEM_CLK_RATE 0x030 #define PLLC_BASE 0x80 #define PLLC_MISC 0x8c #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 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 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 0x48c #define PLLC_OUT 0x84 #define PLLM_OUT 0x94 #define PLLP_OUTA 0xa4 #define PLLP_OUTB 0xa8 #define PLLA_OUT 0xb4 #define AUDIO_SYNC_CLK_I2S0 0x4a0 #define AUDIO_SYNC_CLK_I2S1 0x4a4 #define AUDIO_SYNC_CLK_I2S2 0x4a8 #define AUDIO_SYNC_CLK_I2S3 0x4ac #define AUDIO_SYNC_CLK_I2S4 0x4b0 #define AUDIO_SYNC_CLK_SPDIF 0x4b4 #define PMC_CLK_OUT_CNTRL 0x1a8 #define CLK_SOURCE_I2S0 0x1d8 #define CLK_SOURCE_I2S1 0x100 #define CLK_SOURCE_I2S2 0x104 #define CLK_SOURCE_I2S3 0x3bc #define CLK_SOURCE_I2S4 0x3c0 #define CLK_SOURCE_SPDIF_OUT 0x108 #define CLK_SOURCE_SPDIF_IN 0x10c #define CLK_SOURCE_PWM 0x110 #define CLK_SOURCE_D_AUDIO 0x3d0 #define CLK_SOURCE_DAM0 0x3d8 #define CLK_SOURCE_DAM1 0x3dc #define CLK_SOURCE_DAM2 0x3e0 #define CLK_SOURCE_HDA 0x428 #define CLK_SOURCE_HDA2CODEC_2X 0x3e4 #define CLK_SOURCE_SBC1 0x134 #define CLK_SOURCE_SBC2 0x118 #define CLK_SOURCE_SBC3 0x11c #define CLK_SOURCE_SBC4 0x1b4 #define CLK_SOURCE_SBC5 0x3c8 #define CLK_SOURCE_SBC6 0x3cc #define CLK_SOURCE_SATA_OOB 0x420 #define CLK_SOURCE_SATA 0x424 #define CLK_SOURCE_NDFLASH 0x160 #define CLK_SOURCE_NDSPEED 0x3f8 #define CLK_SOURCE_VFIR 0x168 #define CLK_SOURCE_SDMMC1 0x150 #define CLK_SOURCE_SDMMC2 0x154 #define CLK_SOURCE_SDMMC3 0x1bc #define CLK_SOURCE_SDMMC4 0x164 #define CLK_SOURCE_VDE 0x1c8 #define CLK_SOURCE_CSITE 0x1d4 #define CLK_SOURCE_LA 0x1f8 #define CLK_SOURCE_OWR 0x1cc #define CLK_SOURCE_NOR 0x1d0 #define CLK_SOURCE_MIPI 0x174 #define CLK_SOURCE_I2C1 0x124 #define CLK_SOURCE_I2C2 0x198 #define CLK_SOURCE_I2C3 0x1b8 #define CLK_SOURCE_I2C4 0x3c4 #define CLK_SOURCE_I2C5 0x128 #define CLK_SOURCE_UARTA 0x178 #define CLK_SOURCE_UARTB 0x17c #define CLK_SOURCE_UARTC 0x1a0 #define CLK_SOURCE_UARTD 0x1c0 #define CLK_SOURCE_UARTE 0x1c4 #define CLK_SOURCE_VI 0x148 #define CLK_SOURCE_VI_SENSOR 0x1a8 #define CLK_SOURCE_3D 0x158 #define CLK_SOURCE_3D2 0x3b0 #define CLK_SOURCE_2D 0x15c #define CLK_SOURCE_EPP 0x16c #define CLK_SOURCE_MPE 0x170 #define CLK_SOURCE_HOST1X 0x180 #define CLK_SOURCE_CVE 0x140 #define CLK_SOURCE_TVO 0x188 #define CLK_SOURCE_DTV 0x1dc #define CLK_SOURCE_HDMI 0x18c #define CLK_SOURCE_TVDAC 0x194 #define CLK_SOURCE_DISP1 0x138 #define CLK_SOURCE_DISP2 0x13c #define CLK_SOURCE_DSIB 0xd0 #define CLK_SOURCE_TSENSOR 0x3b8 #define CLK_SOURCE_ACTMON 0x3e8 #define CLK_SOURCE_EXTERN1 0x3ec #define CLK_SOURCE_EXTERN2 0x3f0 #define CLK_SOURCE_EXTERN3 0x3f4 #define CLK_SOURCE_I2CSLOW 0x3fc #define CLK_SOURCE_SE 0x42c #define CLK_SOURCE_MSELECT 0x3b4 #define CLK_SOURCE_EMC 0x19c #define AUDIO_SYNC_DOUBLER 0x49c #define PMC_CTRL 0 #define PMC_CTRL_BLINK_ENB 7 #define PMC_DPD_PADS_ORIDE 0x1c #define PMC_DPD_PADS_ORIDE_BLINK_ENB 20 #define PMC_BLINK_TIMER 0x40 #define UTMIP_PLL_CFG2 0x488 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6) #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18) #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0) #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2) #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4) #define UTMIP_PLL_CFG1 0x484 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6) #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14) #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12) #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16) /* Tegra CPU clock and reset control regs */ #define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c #define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340 #define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344 #define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c #define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470 #define CPU_CLOCK(cpu) (0x1 << (8 + cpu)) #define CPU_RESET(cpu) (0x1111ul << (cpu)) #define CLK_RESET_CCLK_BURST 0x20 #define CLK_RESET_CCLK_DIVIDER 0x24 #define CLK_RESET_PLLX_BASE 0xe0 #define CLK_RESET_PLLX_MISC 0xe4 #define CLK_RESET_SOURCE_CSITE 0x1d4 #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 #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 int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32]; static void __iomem *clk_base; static void __iomem *pmc_base; static unsigned long input_freq; static DEFINE_SPINLOCK(clk_doubler_lock); static DEFINE_SPINLOCK(clk_out_lock); static DEFINE_SPINLOCK(pll_div_lock); static DEFINE_SPINLOCK(cml_lock); static DEFINE_SPINLOCK(pll_d_lock); static DEFINE_SPINLOCK(sysrate_lock); #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \ _clk_num, _regs, _gate_flags, _clk_id) \ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \ 30, 2, 0, 0, 8, 1, 0, _regs, _clk_num, \ periph_clk_enb_refcnt, _gate_flags, _clk_id) #define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \ _clk_num, _regs, _gate_flags, _clk_id) \ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \ 30, 2, 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP, \ _regs, _clk_num, periph_clk_enb_refcnt, \ _gate_flags, _clk_id) #define TEGRA_INIT_DATA_MUX8(_name, _con_id, _dev_id, _parents, _offset, \ _clk_num, _regs, _gate_flags, _clk_id) \ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \ 29, 3, 0, 0, 8, 1, 0, _regs, _clk_num, \ periph_clk_enb_refcnt, _gate_flags, _clk_id) #define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset, \ _clk_num, _regs, _gate_flags, _clk_id) \ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \ 30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs, \ _clk_num, periph_clk_enb_refcnt, _gate_flags, \ _clk_id) #define TEGRA_INIT_DATA_UART(_name, _con_id, _dev_id, _parents, _offset,\ _clk_num, _regs, _clk_id) \ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \ 30, 2, 0, 0, 16, 1, TEGRA_DIVIDER_UART, _regs, \ _clk_num, periph_clk_enb_refcnt, 0, _clk_id) #define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \ _mux_shift, _mux_width, _clk_num, _regs, \ _gate_flags, _clk_id) \ TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \ _mux_shift, _mux_width, 0, 0, 0, 0, 0, _regs, \ _clk_num, periph_clk_enb_refcnt, _gate_flags, \ _clk_id) /* * IDs assigned here must be in sync with DT bindings definition * for Tegra30 clocks. */ enum tegra30_clk { cpu, rtc = 4, timer, uarta, gpio = 8, sdmmc2, i2s1 = 11, i2c1, ndflash, sdmmc1, sdmmc4, pwm = 17, i2s2, epp, gr2d = 21, usbd, isp, gr3d, disp2 = 26, disp1, host1x, vcp, i2s0, cop_cache, mc, ahbdma, apbdma, kbc = 36, statmon, pmc, kfuse = 40, sbc1, nor, sbc2 = 44, sbc3 = 46, i2c5, dsia, mipi = 50, hdmi, csi, tvdac, i2c2, uartc, emc = 57, usb2, usb3, mpe, vde, bsea, bsev, speedo, uartd, uarte, i2c3, sbc4, sdmmc3, pcie, owr, afi, csite, pciex, avpucq, la, dtv = 79, ndspeed, i2cslow, dsib, irama = 84, iramb, iramc, iramd, cram2, audio_2x = 90, csus = 92, cdev2, cdev1, cpu_g = 96, cpu_lp, gr3d2, mselect, tsensor, i2s3, i2s4, i2c4, sbc5, sbc6, d_audio, apbif, dam0, dam1, dam2, hda2codec_2x, atomics, audio0_2x, audio1_2x, audio2_2x, audio3_2x, audio4_2x, spdif_2x, actmon, extern1, extern2, extern3, sata_oob, sata, hda, se = 127, hda2hdmi, sata_cold, uartb = 160, vfir, spdif_in, spdif_out, vi, vi_sensor, fuse, fuse_burn, cve, tvo, clk_32k, clk_m, clk_m_div2, clk_m_div4, pll_ref, pll_c, pll_c_out1, pll_m, pll_m_out1, pll_p, pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_a, pll_a_out0, pll_d, pll_d_out0, pll_d2, pll_d2_out0, pll_u, pll_x, pll_x_out0, pll_e, spdif_in_sync, i2s0_sync, i2s1_sync, i2s2_sync, i2s3_sync, i2s4_sync, vimclk_sync, audio0, audio1, audio2, audio3, audio4, spdif, clk_out_1, clk_out_2, clk_out_3, sclk, blink, cclk_g, cclk_lp, twd, cml0, cml1, hclk, pclk, clk_out_1_mux = 300, clk_max }; static struct clk *clks[clk_max]; static struct clk_onecell_data clk_data; /* * Structure defining the fields for USB UTMI clocks Parameters. */ struct utmi_clk_param { /* Oscillator Frequency in KHz */ u32 osc_frequency; /* UTMIP PLL Enable Delay Count */ u8 enable_delay_count; /* UTMIP PLL Stable count */ u8 stable_count; /* UTMIP PLL Active delay count */ u8 active_delay_count; /* UTMIP PLL Xtal frequency count */ u8 xtal_freq_count; }; static const struct utmi_clk_param utmi_parameters[] = { /* OSC_FREQUENCY, ENABLE_DLY, STABLE_CNT, ACTIVE_DLY, XTAL_FREQ_CNT */ {13000000, 0x02, 0x33, 0x05, 0x7F}, {19200000, 0x03, 0x4B, 0x06, 0xBB}, {12000000, 0x02, 0x2F, 0x04, 0x76}, {26000000, 0x04, 0x66, 0x09, 0xFE}, {16800000, 0x03, 0x41, 0x0A, 0xA4}, }; static struct tegra_clk_pll_freq_table pll_c_freq_table[] = { { 12000000, 1040000000, 520, 6, 0, 8}, { 13000000, 1040000000, 480, 6, 0, 8}, { 16800000, 1040000000, 495, 8, 0, 8}, /* actual: 1039.5 MHz */ { 19200000, 1040000000, 325, 6, 0, 6}, { 26000000, 1040000000, 520, 13, 0, 8}, { 12000000, 832000000, 416, 6, 0, 8}, { 13000000, 832000000, 832, 13, 0, 8}, { 16800000, 832000000, 396, 8, 0, 8}, /* actual: 831.6 MHz */ { 19200000, 832000000, 260, 6, 0, 8}, { 26000000, 832000000, 416, 13, 0, 8}, { 12000000, 624000000, 624, 12, 0, 8}, { 13000000, 624000000, 624, 13, 0, 8}, { 16800000, 600000000, 520, 14, 0, 8}, { 19200000, 624000000, 520, 16, 0, 8}, { 26000000, 624000000, 624, 26, 0, 8}, { 12000000, 600000000, 600, 12, 0, 8}, { 13000000, 600000000, 600, 13, 0, 8}, { 16800000, 600000000, 500, 14, 0, 8}, { 19200000, 600000000, 375, 12, 0, 6}, { 26000000, 600000000, 600, 26, 0, 8}, { 12000000, 520000000, 520, 12, 0, 8}, { 13000000, 520000000, 520, 13, 0, 8}, { 16800000, 520000000, 495, 16, 0, 8}, /* actual: 519.75 MHz */ { 19200000, 520000000, 325, 12, 0, 6}, { 26000000, 520000000, 520, 26, 0, 8}, { 12000000, 416000000, 416, 12, 0, 8}, { 13000000, 416000000, 416, 13, 0, 8}, { 16800000, 416000000, 396, 16, 0, 8}, /* actual: 415.8 MHz */ { 19200000, 416000000, 260, 12, 0, 6}, { 26000000, 416000000, 416, 26, 0, 8}, { 0, 0, 0, 0, 0, 0 }, }; static struct tegra_clk_pll_freq_table pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 0, 8}, { 13000000, 666000000, 666, 13, 0, 8}, { 16800000, 666000000, 555, 14, 0, 8}, { 19200000, 666000000, 555, 16, 0, 8}, { 26000000, 666000000, 666, 26, 0, 8}, { 12000000, 600000000, 600, 12, 0, 8}, { 13000000, 600000000, 600, 13, 0, 8}, { 16800000, 600000000, 500, 14, 0, 8}, { 19200000, 600000000, 375, 12, 0, 6}, { 26000000, 600000000, 600, 26, 0, 8}, { 0, 0, 0, 0, 0, 0 }, }; static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 1, 8}, { 13000000, 216000000, 432, 13, 1, 8}, { 16800000, 216000000, 360, 14, 1, 8}, { 19200000, 216000000, 360, 16, 1, 8}, { 26000000, 216000000, 432, 26, 1, 8}, { 0, 0, 0, 0, 0, 0 }, }; static struct tegra_clk_pll_freq_table pll_a_freq_table[] = { { 9600000, 564480000, 294, 5, 0, 4}, { 9600000, 552960000, 288, 5, 0, 4}, { 9600000, 24000000, 5, 2, 0, 1}, { 28800000, 56448000, 49, 25, 0, 1}, { 28800000, 73728000, 64, 25, 0, 1}, { 28800000, 24000000, 5, 6, 0, 1}, { 0, 0, 0, 0, 0, 0 }, }; static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { { 12000000, 216000000, 216, 12, 0, 4}, { 13000000, 216000000, 216, 13, 0, 4}, { 16800000, 216000000, 180, 14, 0, 4}, { 19200000, 216000000, 180, 16, 0, 4}, { 26000000, 216000000, 216, 26, 0, 4}, { 12000000, 594000000, 594, 12, 0, 8}, { 13000000, 594000000, 594, 13, 0, 8}, { 16800000, 594000000, 495, 14, 0, 8}, { 19200000, 594000000, 495, 16, 0, 8}, { 26000000, 594000000, 594, 26, 0, 8}, { 12000000, 1000000000, 1000, 12, 0, 12}, { 13000000, 1000000000, 1000, 13, 0, 12}, { 19200000, 1000000000, 625, 12, 0, 8}, { 26000000, 1000000000, 1000, 26, 0, 12}, { 0, 0, 0, 0, 0, 0 }, }; static 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, 0, 12}, { 13000000, 480000000, 960, 13, 0, 12}, { 16800000, 480000000, 400, 7, 0, 5}, { 19200000, 480000000, 200, 4, 0, 3}, { 26000000, 480000000, 960, 26, 0, 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, 0, 8}, { 13000000, 1700000000, 915, 7, 0, 8}, /* actual: 1699.2 MHz */ { 16800000, 1700000000, 708, 7, 0, 8}, /* actual: 1699.2 MHz */ { 19200000, 1700000000, 885, 10, 0, 8}, /* actual: 1699.2 MHz */ { 26000000, 1700000000, 850, 13, 0, 8}, /* 1.6 GHz */ { 12000000, 1600000000, 800, 6, 0, 8}, { 13000000, 1600000000, 738, 6, 0, 8}, /* actual: 1599.0 MHz */ { 16800000, 1600000000, 857, 9, 0, 8}, /* actual: 1599.7 MHz */ { 19200000, 1600000000, 500, 6, 0, 8}, { 26000000, 1600000000, 800, 13, 0, 8}, /* 1.5 GHz */ { 12000000, 1500000000, 750, 6, 0, 8}, { 13000000, 1500000000, 923, 8, 0, 8}, /* actual: 1499.8 MHz */ { 16800000, 1500000000, 625, 7, 0, 8}, { 19200000, 1500000000, 625, 8, 0, 8}, { 26000000, 1500000000, 750, 13, 0, 8}, /* 1.4 GHz */ { 12000000, 1400000000, 700, 6, 0, 8}, { 13000000, 1400000000, 969, 9, 0, 8}, /* actual: 1399.7 MHz */ { 16800000, 1400000000, 1000, 12, 0, 8}, { 19200000, 1400000000, 875, 12, 0, 8}, { 26000000, 1400000000, 700, 13, 0, 8}, /* 1.3 GHz */ { 12000000, 1300000000, 975, 9, 0, 8}, { 13000000, 1300000000, 1000, 10, 0, 8}, { 16800000, 1300000000, 928, 12, 0, 8}, /* actual: 1299.2 MHz */ { 19200000, 1300000000, 812, 12, 0, 8}, /* actual: 1299.2 MHz */ { 26000000, 1300000000, 650, 13, 0, 8}, /* 1.2 GHz */ { 12000000, 1200000000, 1000, 10, 0, 8}, { 13000000, 1200000000, 923, 10, 0, 8}, /* actual: 1199.9 MHz */ { 16800000, 1200000000, 1000, 14, 0, 8}, { 19200000, 1200000000, 1000, 16, 0, 8}, { 26000000, 1200000000, 600, 13, 0, 8}, /* 1.1 GHz */ { 12000000, 1100000000, 825, 9, 0, 8}, { 13000000, 1100000000, 846, 10, 0, 8}, /* actual: 1099.8 MHz */ { 16800000, 1100000000, 982, 15, 0, 8}, /* actual: 1099.8 MHz */ { 19200000, 1100000000, 859, 15, 0, 8}, /* actual: 1099.5 MHz */ { 26000000, 1100000000, 550, 13, 0, 8}, /* 1 GHz */ { 12000000, 1000000000, 1000, 12, 0, 8}, { 13000000, 1000000000, 1000, 13, 0, 8}, { 16800000, 1000000000, 833, 14, 0, 8}, /* actual: 999.6 MHz */ { 19200000, 1000000000, 625, 12, 0, 8}, { 26000000, 1000000000, 1000, 26, 0, 8}, { 0, 0, 0, 0, 0, 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 = { .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, }; static struct tegra_clk_pll_params pll_m_params = { .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, }; static struct tegra_clk_pll_params pll_p_params = { .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, }; 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, }; static struct tegra_clk_pll_params pll_d_params = { .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, }; static struct tegra_clk_pll_params pll_d2_params = { .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, }; static struct tegra_clk_pll_params pll_u_params = { .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, }; static struct tegra_clk_pll_params pll_x_params = { .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, }; static struct tegra_clk_pll_params pll_e_params = { .input_min = 12000000, .input_max = 216000000, .cf_min = 12000000, .cf_max = 12000000, .vco_min = 1200000000, .vco_max = 2400000000U, .base_reg = PLLE_BASE, .misc_reg = PLLE_MISC, .lock_mask = PLLE_MISC_LOCK, .lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE, .lock_delay = 300, }; /* Peripheral clock registers */ static struct tegra_clk_periph_regs periph_l_regs = { .enb_reg = CLK_OUT_ENB_L, .enb_set_reg = CLK_OUT_ENB_SET_L, .enb_clr_reg = CLK_OUT_ENB_CLR_L, .rst_reg = RST_DEVICES_L, .rst_set_reg = RST_DEVICES_SET_L, .rst_clr_reg = RST_DEVICES_CLR_L, }; static struct tegra_clk_periph_regs periph_h_regs = { .enb_reg = CLK_OUT_ENB_H, .enb_set_reg = CLK_OUT_ENB_SET_H, .enb_clr_reg = CLK_OUT_ENB_CLR_H, .rst_reg = RST_DEVICES_H, .rst_set_reg = RST_DEVICES_SET_H, .rst_clr_reg = RST_DEVICES_CLR_H, }; static struct tegra_clk_periph_regs periph_u_regs = { .enb_reg = CLK_OUT_ENB_U, .enb_set_reg = CLK_OUT_ENB_SET_U, .enb_clr_reg = CLK_OUT_ENB_CLR_U, .rst_reg = RST_DEVICES_U, .rst_set_reg = RST_DEVICES_SET_U, .rst_clr_reg = RST_DEVICES_CLR_U, }; static struct tegra_clk_periph_regs periph_v_regs = { .enb_reg = CLK_OUT_ENB_V, .enb_set_reg = CLK_OUT_ENB_SET_V, .enb_clr_reg = CLK_OUT_ENB_CLR_V, .rst_reg = RST_DEVICES_V, .rst_set_reg = RST_DEVICES_SET_V, .rst_clr_reg = RST_DEVICES_CLR_V, }; static struct tegra_clk_periph_regs periph_w_regs = { .enb_reg = CLK_OUT_ENB_W, .enb_set_reg = CLK_OUT_ENB_SET_W, .enb_clr_reg = CLK_OUT_ENB_CLR_W, .rst_reg = RST_DEVICES_W, .rst_set_reg = RST_DEVICES_SET_W, .rst_clr_reg = RST_DEVICES_CLR_W, }; static void tegra30_clk_measure_input_freq(void) { u32 osc_ctrl = readl_relaxed(clk_base + OSC_CTRL); u32 auto_clk_control = osc_ctrl & OSC_CTRL_OSC_FREQ_MASK; u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK; switch (auto_clk_control) { case OSC_CTRL_OSC_FREQ_12MHZ: BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); input_freq = 12000000; break; case OSC_CTRL_OSC_FREQ_13MHZ: BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); input_freq = 13000000; break; case OSC_CTRL_OSC_FREQ_19_2MHZ: BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); input_freq = 19200000; break; case OSC_CTRL_OSC_FREQ_26MHZ: BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); input_freq = 26000000; break; case OSC_CTRL_OSC_FREQ_16_8MHZ: BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); input_freq = 16800000; break; case OSC_CTRL_OSC_FREQ_38_4MHZ: BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2); input_freq = 38400000; break; case OSC_CTRL_OSC_FREQ_48MHZ: BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4); input_freq = 48000000; break; default: pr_err("Unexpected auto clock control value %d", auto_clk_control); BUG(); return; } } static unsigned int tegra30_get_pll_ref_div(void) { u32 pll_ref_div = readl_relaxed(clk_base + OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK; switch (pll_ref_div) { case OSC_CTRL_PLL_REF_DIV_1: return 1; case OSC_CTRL_PLL_REF_DIV_2: return 2; case OSC_CTRL_PLL_REF_DIV_4: return 4; default: pr_err("Invalid pll ref divider %d", pll_ref_div); BUG(); } return 0; } static void tegra30_utmi_param_configure(void) { u32 reg; int i; for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { if (input_freq == utmi_parameters[i].osc_frequency) break; } if (i >= ARRAY_SIZE(utmi_parameters)) { pr_err("%s: Unexpected input rate %lu\n", __func__, input_freq); return; } reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); /* Program UTMIP PLL stable and active counts */ reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0); reg |= UTMIP_PLL_CFG2_STABLE_COUNT( utmi_parameters[i].stable_count); reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT( utmi_parameters[i].active_delay_count); /* Remove power downs from UTMIP PLL control bits */ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN; reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN; reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN; writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); /* Program UTMIP PLL delay and oscillator frequency counts */ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0); reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT( utmi_parameters[i].enable_delay_count); reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0); reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT( utmi_parameters[i].xtal_freq_count); /* Remove power downs from UTMIP PLL control bits */ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN; reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN; reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN; writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); } static const char *pll_e_parents[] = {"pll_ref", "pll_p"}; static void __init tegra30_pll_init(void) { struct clk *clk; /* PLLC */ clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0, 0, &pll_c_params, TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK, pll_c_freq_table, NULL); clk_register_clkdev(clk, "pll_c", NULL); clks[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); clk_register_clkdev(clk, "pll_c_out1", NULL); clks[pll_c_out1] = clk; /* PLLP */ clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base, pmc_base, 0, 408000000, &pll_p_params, TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK, pll_p_freq_table, NULL); clk_register_clkdev(clk, "pll_p", NULL); clks[pll_p] = clk; /* PLLP_OUT1 */ clk = tegra_clk_register_divider("pll_p_out1_div", "pll_p", clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP, 8, 8, 1, &pll_div_lock); clk = tegra_clk_register_pll_out("pll_p_out1", "pll_p_out1_div", clk_base + PLLP_OUTA, 1, 0, CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0, &pll_div_lock); clk_register_clkdev(clk, "pll_p_out1", NULL); clks[pll_p_out1] = clk; /* PLLP_OUT2 */ clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p", clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP, 24, 8, 1, &pll_div_lock); clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div", clk_base + PLLP_OUTA, 17, 16, CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0, &pll_div_lock); clk_register_clkdev(clk, "pll_p_out2", NULL); clks[pll_p_out2] = clk; /* PLLP_OUT3 */ clk = tegra_clk_register_divider("pll_p_out3_div", "pll_p", clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP, 8, 8, 1, &pll_div_lock); clk = tegra_clk_register_pll_out("pll_p_out3", "pll_p_out3_div", clk_base + PLLP_OUTB, 1, 0, CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0, &pll_div_lock); clk_register_clkdev(clk, "pll_p_out3", NULL); clks[pll_p_out3] = clk; /* PLLP_OUT4 */ clk = tegra_clk_register_divider("pll_p_out4_div", "pll_p", clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED | TEGRA_DIVIDER_ROUND_UP, 24, 8, 1, &pll_div_lock); clk = tegra_clk_register_pll_out("pll_p_out4", "pll_p_out4_div", clk_base + PLLP_OUTB, 17, 16, CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0, &pll_div_lock); clk_register_clkdev(clk, "pll_p_out4", NULL); clks[pll_p_out4] = clk; /* PLLM */ clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base, CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 0, &pll_m_params, TEGRA_PLLM | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK, pll_m_freq_table, NULL); clk_register_clkdev(clk, "pll_m", NULL); clks[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); clk_register_clkdev(clk, "pll_m_out1", NULL); clks[pll_m_out1] = clk; /* PLLX */ clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, pmc_base, 0, 0, &pll_x_params, TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK, pll_x_freq_table, NULL); clk_register_clkdev(clk, "pll_x", NULL); clks[pll_x] = clk; /* PLLX_OUT0 */ clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x", CLK_SET_RATE_PARENT, 1, 2); clk_register_clkdev(clk, "pll_x_out0", NULL); clks[pll_x_out0] = clk; /* PLLU */ clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc_base, 0, 0, &pll_u_params, TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK, pll_u_freq_table, NULL); clk_register_clkdev(clk, "pll_u", NULL); clks[pll_u] = clk; tegra30_utmi_param_configure(); /* PLLD */ clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc_base, 0, 0, &pll_d_params, TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK, pll_d_freq_table, &pll_d_lock); clk_register_clkdev(clk, "pll_d", NULL); clks[pll_d] = clk; /* PLLD_OUT0 */ clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d", CLK_SET_RATE_PARENT, 1, 2); clk_register_clkdev(clk, "pll_d_out0", NULL); clks[pll_d_out0] = clk; /* PLLD2 */ clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc_base, 0, 0, &pll_d2_params, TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK, pll_d_freq_table, NULL); clk_register_clkdev(clk, "pll_d2", NULL); clks[pll_d2] = clk; /* PLLD2_OUT0 */ clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", CLK_SET_RATE_PARENT, 1, 2); clk_register_clkdev(clk, "pll_d2_out0", NULL); clks[pll_d2_out0] = clk; /* PLLA */ clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base, pmc_base, 0, 0, &pll_a_params, TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK, pll_a_freq_table, NULL); clk_register_clkdev(clk, "pll_a", NULL); clks[pll_a] = clk; /* PLLA_OUT0 */ clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a", clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 8, 8, 1, NULL); clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div", clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0, NULL); clk_register_clkdev(clk, "pll_a_out0", NULL); clks[pll_a_out0] = clk; /* PLLE */ clk = clk_register_mux(NULL, "pll_e_mux", pll_e_parents, ARRAY_SIZE(pll_e_parents), 0, clk_base + PLLE_AUX, 2, 1, 0, NULL); clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base, CLK_GET_RATE_NOCACHE, 100000000, &pll_e_params, TEGRA_PLLE_CONFIGURE, pll_e_freq_table, NULL); clk_register_clkdev(clk, "pll_e", NULL); clks[pll_e] = clk; } static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync", "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",}; static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2", "clk_m_div4", "extern1", }; static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2", "clk_m_div4", "extern2", }; static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2", "clk_m_div4", "extern3", }; static void __init tegra30_audio_clk_init(void) { struct clk *clk; /* spdif_in_sync */ clk = tegra_clk_register_sync_source("spdif_in_sync", 24000000, 24000000); clk_register_clkdev(clk, "spdif_in_sync", NULL); clks[spdif_in_sync] = clk; /* i2s0_sync */ clk = tegra_clk_register_sync_source("i2s0_sync", 24000000, 24000000); clk_register_clkdev(clk, "i2s0_sync", NULL); clks[i2s0_sync] = clk; /* i2s1_sync */ clk = tegra_clk_register_sync_source("i2s1_sync", 24000000, 24000000); clk_register_clkdev(clk, "i2s1_sync", NULL); clks[i2s1_sync] = clk; /* i2s2_sync */ clk = tegra_clk_register_sync_source("i2s2_sync", 24000000, 24000000); clk_register_clkdev(clk, "i2s2_sync", NULL); clks[i2s2_sync] = clk; /* i2s3_sync */ clk = tegra_clk_register_sync_source("i2s3_sync", 24000000, 24000000); clk_register_clkdev(clk, "i2s3_sync", NULL); clks[i2s3_sync] = clk; /* i2s4_sync */ clk = tegra_clk_register_sync_source("i2s4_sync", 24000000, 24000000); clk_register_clkdev(clk, "i2s4_sync", NULL); clks[i2s4_sync] = clk; /* vimclk_sync */ clk = tegra_clk_register_sync_source("vimclk_sync", 24000000, 24000000); clk_register_clkdev(clk, "vimclk_sync", NULL); clks[vimclk_sync] = clk; /* audio0 */ clk = clk_register_mux(NULL, "audio0_mux", mux_audio_sync_clk, ARRAY_SIZE(mux_audio_sync_clk), 0, clk_base + AUDIO_SYNC_CLK_I2S0, 0, 3, 0, NULL); clk = clk_register_gate(NULL, "audio0", "audio0_mux", 0, clk_base + AUDIO_SYNC_CLK_I2S0, 4, CLK_GATE_SET_TO_DISABLE, NULL); clk_register_clkdev(clk, "audio0", NULL); clks[audio0] = clk; /* audio1 */ clk = clk_register_mux(NULL, "audio1_mux", mux_audio_sync_clk, ARRAY_SIZE(mux_audio_sync_clk), 0, clk_base + AUDIO_SYNC_CLK_I2S1, 0, 3, 0, NULL); clk = clk_register_gate(NULL, "audio1", "audio1_mux", 0, clk_base + AUDIO_SYNC_CLK_I2S1, 4, CLK_GATE_SET_TO_DISABLE, NULL); clk_register_clkdev(clk, "audio1", NULL); clks[audio1] = clk; /* audio2 */ clk = clk_register_mux(NULL, "audio2_mux", mux_audio_sync_clk, ARRAY_SIZE(mux_audio_sync_clk), 0, clk_base + AUDIO_SYNC_CLK_I2S2, 0, 3, 0, NULL); clk = clk_register_gate(NULL, "audio2", "audio2_mux", 0, clk_base + AUDIO_SYNC_CLK_I2S2, 4, CLK_GATE_SET_TO_DISABLE, NULL); clk_register_clkdev(clk, "audio2", NULL); clks[audio2] = clk; /* audio3 */ clk = clk_register_mux(NULL, "audio3_mux", mux_audio_sync_clk, ARRAY_SIZE(mux_audio_sync_clk), 0, clk_base + AUDIO_SYNC_CLK_I2S3, 0, 3, 0, NULL); clk = clk_register_gate(NULL, "audio3", "audio3_mux", 0, clk_base + AUDIO_SYNC_CLK_I2S3, 4, CLK_GATE_SET_TO_DISABLE, NULL); clk_register_clkdev(clk, "audio3", NULL); clks[audio3] = clk; /* audio4 */ clk = clk_register_mux(NULL, "audio4_mux", mux_audio_sync_clk, ARRAY_SIZE(mux_audio_sync_clk), 0, clk_base + AUDIO_SYNC_CLK_I2S4, 0, 3, 0, NULL); clk = clk_register_gate(NULL, "audio4", "audio4_mux", 0, clk_base + AUDIO_SYNC_CLK_I2S4, 4, CLK_GATE_SET_TO_DISABLE, NULL); clk_register_clkdev(clk, "audio4", NULL); clks[audio4] = clk; /* spdif */ clk = clk_register_mux(NULL, "spdif_mux", mux_audio_sync_clk, ARRAY_SIZE(mux_audio_sync_clk), 0, clk_base + AUDIO_SYNC_CLK_SPDIF, 0, 3, 0, NULL); clk = clk_register_gate(NULL, "spdif", "spdif_mux", 0, clk_base + AUDIO_SYNC_CLK_SPDIF, 4, CLK_GATE_SET_TO_DISABLE, NULL); clk_register_clkdev(clk, "spdif", NULL); clks[spdif] = clk; /* audio0_2x */ clk = clk_register_fixed_factor(NULL, "audio0_doubler", "audio0", CLK_SET_RATE_PARENT, 2, 1); clk = tegra_clk_register_divider("audio0_div", "audio0_doubler", clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 24, 1, 0, &clk_doubler_lock); clk = tegra_clk_register_periph_gate("audio0_2x", "audio0_div", TEGRA_PERIPH_NO_RESET, clk_base, CLK_SET_RATE_PARENT, 113, &periph_v_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "audio0_2x", NULL); clks[audio0_2x] = clk; /* audio1_2x */ clk = clk_register_fixed_factor(NULL, "audio1_doubler", "audio1", CLK_SET_RATE_PARENT, 2, 1); clk = tegra_clk_register_divider("audio1_div", "audio1_doubler", clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 25, 1, 0, &clk_doubler_lock); clk = tegra_clk_register_periph_gate("audio1_2x", "audio1_div", TEGRA_PERIPH_NO_RESET, clk_base, CLK_SET_RATE_PARENT, 114, &periph_v_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "audio1_2x", NULL); clks[audio1_2x] = clk; /* audio2_2x */ clk = clk_register_fixed_factor(NULL, "audio2_doubler", "audio2", CLK_SET_RATE_PARENT, 2, 1); clk = tegra_clk_register_divider("audio2_div", "audio2_doubler", clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 26, 1, 0, &clk_doubler_lock); clk = tegra_clk_register_periph_gate("audio2_2x", "audio2_div", TEGRA_PERIPH_NO_RESET, clk_base, CLK_SET_RATE_PARENT, 115, &periph_v_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "audio2_2x", NULL); clks[audio2_2x] = clk; /* audio3_2x */ clk = clk_register_fixed_factor(NULL, "audio3_doubler", "audio3", CLK_SET_RATE_PARENT, 2, 1); clk = tegra_clk_register_divider("audio3_div", "audio3_doubler", clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 27, 1, 0, &clk_doubler_lock); clk = tegra_clk_register_periph_gate("audio3_2x", "audio3_div", TEGRA_PERIPH_NO_RESET, clk_base, CLK_SET_RATE_PARENT, 116, &periph_v_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "audio3_2x", NULL); clks[audio3_2x] = clk; /* audio4_2x */ clk = clk_register_fixed_factor(NULL, "audio4_doubler", "audio4", CLK_SET_RATE_PARENT, 2, 1); clk = tegra_clk_register_divider("audio4_div", "audio4_doubler", clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 28, 1, 0, &clk_doubler_lock); clk = tegra_clk_register_periph_gate("audio4_2x", "audio4_div", TEGRA_PERIPH_NO_RESET, clk_base, CLK_SET_RATE_PARENT, 117, &periph_v_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "audio4_2x", NULL); clks[audio4_2x] = clk; /* spdif_2x */ clk = clk_register_fixed_factor(NULL, "spdif_doubler", "spdif", CLK_SET_RATE_PARENT, 2, 1); clk = tegra_clk_register_divider("spdif_div", "spdif_doubler", clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 29, 1, 0, &clk_doubler_lock); clk = tegra_clk_register_periph_gate("spdif_2x", "spdif_div", TEGRA_PERIPH_NO_RESET, clk_base, CLK_SET_RATE_PARENT, 118, &periph_v_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "spdif_2x", NULL); clks[spdif_2x] = clk; } static void __init tegra30_pmc_clk_init(void) { struct clk *clk; /* clk_out_1 */ clk = clk_register_mux(NULL, "clk_out_1_mux", clk_out1_parents, ARRAY_SIZE(clk_out1_parents), 0, pmc_base + PMC_CLK_OUT_CNTRL, 6, 3, 0, &clk_out_lock); clks[clk_out_1_mux] = clk; clk = clk_register_gate(NULL, "clk_out_1", "clk_out_1_mux", 0, pmc_base + PMC_CLK_OUT_CNTRL, 2, 0, &clk_out_lock); clk_register_clkdev(clk, "extern1", "clk_out_1"); clks[clk_out_1] = clk; /* clk_out_2 */ clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents, ARRAY_SIZE(clk_out1_parents), 0, pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0, &clk_out_lock); clk = clk_register_gate(NULL, "clk_out_2", "clk_out_2_mux", 0, pmc_base + PMC_CLK_OUT_CNTRL, 10, 0, &clk_out_lock); clk_register_clkdev(clk, "extern2", "clk_out_2"); clks[clk_out_2] = clk; /* clk_out_3 */ clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents, ARRAY_SIZE(clk_out1_parents), 0, pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0, &clk_out_lock); clk = clk_register_gate(NULL, "clk_out_3", "clk_out_3_mux", 0, pmc_base + PMC_CLK_OUT_CNTRL, 18, 0, &clk_out_lock); clk_register_clkdev(clk, "extern3", "clk_out_3"); clks[clk_out_3] = clk; /* blink */ writel_relaxed(0, pmc_base + PMC_BLINK_TIMER); clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0, pmc_base + PMC_DPD_PADS_ORIDE, PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL); clk = clk_register_gate(NULL, "blink", "blink_override", 0, pmc_base + PMC_CTRL, PMC_CTRL_BLINK_ENB, 0, NULL); clk_register_clkdev(clk, "blink", NULL); clks[blink] = clk; } 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_mux("cclk_g", cclk_g_parents, ARRAY_SIZE(cclk_g_parents), CLK_SET_RATE_PARENT, clk_base + CCLKG_BURST_POLICY, 0, 4, 0, 0, NULL); clk_register_clkdev(clk, "cclk_g", NULL); clks[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_CCLKG_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); clk_register_clkdev(clk, "cclk_lp", NULL); clks[cclk_lp] = clk; /* SCLK */ clk = tegra_clk_register_super_mux("sclk", sclk_parents, ARRAY_SIZE(sclk_parents), CLK_SET_RATE_PARENT, clk_base + SCLK_BURST_POLICY, 0, 4, 0, 0, NULL); clk_register_clkdev(clk, "sclk", NULL); clks[sclk] = clk; /* HCLK */ clk = clk_register_divider(NULL, "hclk_div", "sclk", 0, clk_base + SYSTEM_CLK_RATE, 4, 2, 0, &sysrate_lock); clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT, clk_base + SYSTEM_CLK_RATE, 7, CLK_GATE_SET_TO_DISABLE, &sysrate_lock); clk_register_clkdev(clk, "hclk", NULL); clks[hclk] = clk; /* PCLK */ clk = clk_register_divider(NULL, "pclk_div", "hclk", 0, clk_base + SYSTEM_CLK_RATE, 0, 2, 0, &sysrate_lock); clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT, clk_base + SYSTEM_CLK_RATE, 3, CLK_GATE_SET_TO_DISABLE, &sysrate_lock); clk_register_clkdev(clk, "pclk", NULL); clks[pclk] = clk; /* twd */ clk = clk_register_fixed_factor(NULL, "twd", "cclk_g", CLK_SET_RATE_PARENT, 1, 2); clk_register_clkdev(clk, "twd", NULL); clks[twd] = clk; } 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 *mux_pllmcp_clkm[] = { "pll_m", "pll_c", "pll_p", "clk_m" }; static const char *i2s0_parents[] = { "pll_a_out0", "audio0_2x", "pll_p", "clk_m" }; static const char *i2s1_parents[] = { "pll_a_out0", "audio1_2x", "pll_p", "clk_m" }; static const char *i2s2_parents[] = { "pll_a_out0", "audio2_2x", "pll_p", "clk_m" }; static const char *i2s3_parents[] = { "pll_a_out0", "audio3_2x", "pll_p", "clk_m" }; static const char *i2s4_parents[] = { "pll_a_out0", "audio4_2x", "pll_p", "clk_m" }; static const char *spdif_out_parents[] = { "pll_a_out0", "spdif_2x", "pll_p", "clk_m" }; static const char *spdif_in_parents[] = { "pll_p", "pll_c", "pll_m" }; static const char *mux_pllpc_clk32k_clkm[] = { "pll_p", "pll_c", "clk_32k", "clk_m" }; static const char *mux_pllpc_clkm_clk32k[] = { "pll_p", "pll_c", "clk_m", "clk_32k" }; static const char *mux_pllmcpa[] = { "pll_m", "pll_c", "pll_p", "pll_a_out0" }; static const char *mux_pllpdc_clkm[] = { "pll_p", "pll_d_out0", "pll_c", "clk_m" }; static const char *mux_pllp_clkm[] = { "pll_p", "unused", "unused", "clk_m" }; 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_plla_clk32k_pllp_clkm_plle[] = { "pll_a_out0", "clk_32k", "pll_p", "clk_m", "pll_e" }; static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0", "pll_d2_out0" }; static struct tegra_periph_init_data tegra_periph_clk_list[] = { TEGRA_INIT_DATA_MUX("i2s0", NULL, "tegra30-i2s.0", i2s0_parents, CLK_SOURCE_I2S0, 30, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s0), TEGRA_INIT_DATA_MUX("i2s1", NULL, "tegra30-i2s.1", i2s1_parents, CLK_SOURCE_I2S1, 11, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s1), TEGRA_INIT_DATA_MUX("i2s2", NULL, "tegra30-i2s.2", i2s2_parents, CLK_SOURCE_I2S2, 18, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s2), TEGRA_INIT_DATA_MUX("i2s3", NULL, "tegra30-i2s.3", i2s3_parents, CLK_SOURCE_I2S3, 101, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s3), TEGRA_INIT_DATA_MUX("i2s4", NULL, "tegra30-i2s.4", i2s4_parents, CLK_SOURCE_I2S4, 102, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s4), TEGRA_INIT_DATA_MUX("spdif_out", "spdif_out", "tegra30-spdif", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_out), TEGRA_INIT_DATA_MUX("spdif_in", "spdif_in", "tegra30-spdif", spdif_in_parents, CLK_SOURCE_SPDIF_IN, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_in), TEGRA_INIT_DATA_MUX("d_audio", "d_audio", "tegra30-ahub", mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106, &periph_v_regs, 0, d_audio), TEGRA_INIT_DATA_MUX("dam0", NULL, "tegra30-dam.0", mux_pllacp_clkm, CLK_SOURCE_DAM0, 108, &periph_v_regs, 0, dam0), TEGRA_INIT_DATA_MUX("dam1", NULL, "tegra30-dam.1", mux_pllacp_clkm, CLK_SOURCE_DAM1, 109, &periph_v_regs, 0, dam1), TEGRA_INIT_DATA_MUX("dam2", NULL, "tegra30-dam.2", mux_pllacp_clkm, CLK_SOURCE_DAM2, 110, &periph_v_regs, 0, dam2), TEGRA_INIT_DATA_MUX("hda", "hda", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA, 125, &periph_v_regs, 0, hda), TEGRA_INIT_DATA_MUX("hda2codec_2x", "hda2codec", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA2CODEC_2X, 111, &periph_v_regs, 0, hda2codec_2x), TEGRA_INIT_DATA_MUX("sbc1", NULL, "spi_tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SBC1, 41, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc1), TEGRA_INIT_DATA_MUX("sbc2", NULL, "spi_tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SBC2, 44, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc2), TEGRA_INIT_DATA_MUX("sbc3", NULL, "spi_tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SBC3, 46, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc3), TEGRA_INIT_DATA_MUX("sbc4", NULL, "spi_tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SBC4, 68, &periph_u_regs, TEGRA_PERIPH_ON_APB, sbc4), TEGRA_INIT_DATA_MUX("sbc5", NULL, "spi_tegra.4", mux_pllpcm_clkm, CLK_SOURCE_SBC5, 104, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc5), TEGRA_INIT_DATA_MUX("sbc6", NULL, "spi_tegra.5", mux_pllpcm_clkm, CLK_SOURCE_SBC6, 105, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc6), TEGRA_INIT_DATA_MUX("sata_oob", NULL, "tegra_sata_oob", mux_pllpcm_clkm, CLK_SOURCE_SATA_OOB, 123, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata_oob), TEGRA_INIT_DATA_MUX("sata", NULL, "tegra_sata", mux_pllpcm_clkm, CLK_SOURCE_SATA, 124, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata), TEGRA_INIT_DATA_MUX("ndflash", NULL, "tegra_nand", mux_pllpcm_clkm, CLK_SOURCE_NDFLASH, 13, &periph_l_regs, TEGRA_PERIPH_ON_APB, ndflash), TEGRA_INIT_DATA_MUX("ndspeed", NULL, "tegra_nand_speed", mux_pllpcm_clkm, CLK_SOURCE_NDSPEED, 80, &periph_u_regs, TEGRA_PERIPH_ON_APB, ndspeed), TEGRA_INIT_DATA_MUX("vfir", NULL, "vfir", mux_pllpcm_clkm, CLK_SOURCE_VFIR, 7, &periph_l_regs, TEGRA_PERIPH_ON_APB, vfir), TEGRA_INIT_DATA_MUX("csite", NULL, "csite", mux_pllpcm_clkm, CLK_SOURCE_CSITE, 73, &periph_u_regs, TEGRA_PERIPH_ON_APB, csite), TEGRA_INIT_DATA_MUX("la", NULL, "la", mux_pllpcm_clkm, CLK_SOURCE_LA, 76, &periph_u_regs, TEGRA_PERIPH_ON_APB, la), TEGRA_INIT_DATA_MUX("owr", NULL, "tegra_w1", mux_pllpcm_clkm, CLK_SOURCE_OWR, 71, &periph_u_regs, TEGRA_PERIPH_ON_APB, owr), TEGRA_INIT_DATA_MUX("mipi", NULL, "mipi", mux_pllpcm_clkm, CLK_SOURCE_MIPI, 50, &periph_h_regs, TEGRA_PERIPH_ON_APB, mipi), TEGRA_INIT_DATA_MUX("tsensor", NULL, "tegra-tsensor", mux_pllpc_clkm_clk32k, CLK_SOURCE_TSENSOR, 100, &periph_v_regs, TEGRA_PERIPH_ON_APB, tsensor), TEGRA_INIT_DATA_MUX("i2cslow", NULL, "i2cslow", mux_pllpc_clk32k_clkm, CLK_SOURCE_I2CSLOW, 81, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2cslow), TEGRA_INIT_DATA_INT("vde", NULL, "vde", mux_pllpcm_clkm, CLK_SOURCE_VDE, 61, &periph_h_regs, 0, vde), TEGRA_INIT_DATA_INT("vi", "vi", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI, 20, &periph_l_regs, 0, vi), TEGRA_INIT_DATA_INT("epp", NULL, "epp", mux_pllmcpa, CLK_SOURCE_EPP, 19, &periph_l_regs, 0, epp), TEGRA_INIT_DATA_INT("mpe", NULL, "mpe", mux_pllmcpa, CLK_SOURCE_MPE, 60, &periph_h_regs, 0, mpe), TEGRA_INIT_DATA_INT("host1x", NULL, "host1x", mux_pllmcpa, CLK_SOURCE_HOST1X, 28, &periph_l_regs, 0, host1x), TEGRA_INIT_DATA_INT("3d", NULL, "3d", mux_pllmcpa, CLK_SOURCE_3D, 24, &periph_l_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d), TEGRA_INIT_DATA_INT("3d2", NULL, "3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, &periph_v_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d2), TEGRA_INIT_DATA_INT("2d", NULL, "2d", mux_pllmcpa, CLK_SOURCE_2D, 21, &periph_l_regs, 0, gr2d), TEGRA_INIT_DATA_INT("se", NULL, "se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, &periph_v_regs, 0, se), TEGRA_INIT_DATA_MUX("mselect", NULL, "mselect", mux_pllp_clkm, CLK_SOURCE_MSELECT, 99, &periph_v_regs, 0, mselect), TEGRA_INIT_DATA_MUX("nor", NULL, "tegra-nor", mux_pllpcm_clkm, CLK_SOURCE_NOR, 42, &periph_h_regs, 0, nor), TEGRA_INIT_DATA_MUX("sdmmc1", NULL, "sdhci-tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SDMMC1, 14, &periph_l_regs, 0, sdmmc1), TEGRA_INIT_DATA_MUX("sdmmc2", NULL, "sdhci-tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SDMMC2, 9, &periph_l_regs, 0, sdmmc2), TEGRA_INIT_DATA_MUX("sdmmc3", NULL, "sdhci-tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SDMMC3, 69, &periph_u_regs, 0, sdmmc3), TEGRA_INIT_DATA_MUX("sdmmc4", NULL, "sdhci-tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SDMMC4, 15, &periph_l_regs, 0, sdmmc4), TEGRA_INIT_DATA_MUX("cve", NULL, "cve", mux_pllpdc_clkm, CLK_SOURCE_CVE, 49, &periph_h_regs, 0, cve), TEGRA_INIT_DATA_MUX("tvo", NULL, "tvo", mux_pllpdc_clkm, CLK_SOURCE_TVO, 49, &periph_h_regs, 0, tvo), TEGRA_INIT_DATA_MUX("tvdac", NULL, "tvdac", mux_pllpdc_clkm, CLK_SOURCE_TVDAC, 53, &periph_h_regs, 0, tvdac), TEGRA_INIT_DATA_MUX("actmon", NULL, "actmon", mux_pllpc_clk32k_clkm, CLK_SOURCE_ACTMON, 119, &periph_v_regs, 0, actmon), TEGRA_INIT_DATA_MUX("vi_sensor", "vi_sensor", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI_SENSOR, 20, &periph_l_regs, TEGRA_PERIPH_NO_RESET, vi_sensor), TEGRA_INIT_DATA_DIV16("i2c1", "div-clk", "tegra-i2c.0", mux_pllp_clkm, CLK_SOURCE_I2C1, 12, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2c1), TEGRA_INIT_DATA_DIV16("i2c2", "div-clk", "tegra-i2c.1", mux_pllp_clkm, CLK_SOURCE_I2C2, 54, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c2), TEGRA_INIT_DATA_DIV16("i2c3", "div-clk", "tegra-i2c.2", mux_pllp_clkm, CLK_SOURCE_I2C3, 67, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2c3), TEGRA_INIT_DATA_DIV16("i2c4", "div-clk", "tegra-i2c.3", mux_pllp_clkm, CLK_SOURCE_I2C4, 103, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2c4), TEGRA_INIT_DATA_DIV16("i2c5", "div-clk", "tegra-i2c.4", mux_pllp_clkm, CLK_SOURCE_I2C5, 47, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c5), TEGRA_INIT_DATA_UART("uarta", NULL, "tegra_uart.0", mux_pllpcm_clkm, CLK_SOURCE_UARTA, 6, &periph_l_regs, uarta), TEGRA_INIT_DATA_UART("uartb", NULL, "tegra_uart.1", mux_pllpcm_clkm, CLK_SOURCE_UARTB, 7, &periph_l_regs, uartb), TEGRA_INIT_DATA_UART("uartc", NULL, "tegra_uart.2", mux_pllpcm_clkm, CLK_SOURCE_UARTC, 55, &periph_h_regs, uartc), TEGRA_INIT_DATA_UART("uartd", NULL, "tegra_uart.3", mux_pllpcm_clkm, CLK_SOURCE_UARTD, 65, &periph_u_regs, uartd), TEGRA_INIT_DATA_UART("uarte", NULL, "tegra_uart.4", mux_pllpcm_clkm, CLK_SOURCE_UARTE, 66, &periph_u_regs, uarte), TEGRA_INIT_DATA_MUX8("hdmi", NULL, "hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, &periph_h_regs, 0, hdmi), TEGRA_INIT_DATA_MUX8("extern1", NULL, "extern1", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN1, 120, &periph_v_regs, 0, extern1), TEGRA_INIT_DATA_MUX8("extern2", NULL, "extern2", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN2, 121, &periph_v_regs, 0, extern2), TEGRA_INIT_DATA_MUX8("extern3", NULL, "extern3", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN3, 122, &periph_v_regs, 0, extern3), TEGRA_INIT_DATA("pwm", NULL, "pwm", mux_pllpc_clk32k_clkm, CLK_SOURCE_PWM, 28, 2, 0, 0, 8, 1, 0, &periph_l_regs, 17, periph_clk_enb_refcnt, 0, pwm), }; static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = { TEGRA_INIT_DATA_NODIV("disp1", NULL, "tegradc.0", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP1, 29, 3, 27, &periph_l_regs, 0, disp1), TEGRA_INIT_DATA_NODIV("disp2", NULL, "tegradc.1", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP2, 29, 3, 26, &periph_l_regs, 0, disp2), TEGRA_INIT_DATA_NODIV("dsib", NULL, "tegradc.1", mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25, 1, 82, &periph_u_regs, 0, dsib), }; static void __init tegra30_periph_clk_init(void) { struct tegra_periph_init_data *data; struct clk *clk; int i; /* apbdma */ clk = tegra_clk_register_periph_gate("apbdma", "clk_m", 0, clk_base, 0, 34, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "tegra-apbdma"); clks[apbdma] = clk; /* rtc */ clk = tegra_clk_register_periph_gate("rtc", "clk_32k", TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB, clk_base, 0, 4, &periph_l_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "rtc-tegra"); clks[rtc] = clk; /* timer */ clk = tegra_clk_register_periph_gate("timer", "clk_m", 0, clk_base, 0, 5, &periph_l_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "timer"); clks[timer] = clk; /* kbc */ clk = tegra_clk_register_periph_gate("kbc", "clk_32k", TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB, clk_base, 0, 36, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "tegra-kbc"); clks[kbc] = clk; /* csus */ clk = tegra_clk_register_periph_gate("csus", "clk_m", TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB, clk_base, 0, 92, &periph_u_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "csus", "tengra_camera"); clks[csus] = clk; /* vcp */ clk = tegra_clk_register_periph_gate("vcp", "clk_m", 0, clk_base, 0, 29, &periph_l_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "vcp", "tegra-avp"); clks[vcp] = clk; /* bsea */ clk = tegra_clk_register_periph_gate("bsea", "clk_m", 0, clk_base, 0, 62, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "bsea", "tegra-avp"); clks[bsea] = clk; /* bsev */ clk = tegra_clk_register_periph_gate("bsev", "clk_m", 0, clk_base, 0, 63, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "bsev", "tegra-aes"); clks[bsev] = clk; /* usbd */ clk = tegra_clk_register_periph_gate("usbd", "clk_m", 0, clk_base, 0, 22, &periph_l_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "fsl-tegra-udc"); clks[usbd] = clk; /* usb2 */ clk = tegra_clk_register_periph_gate("usb2", "clk_m", 0, clk_base, 0, 58, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "tegra-ehci.1"); clks[usb2] = clk; /* usb3 */ clk = tegra_clk_register_periph_gate("usb3", "clk_m", 0, clk_base, 0, 59, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "tegra-ehci.2"); clks[usb3] = clk; /* dsia */ clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base, 0, 48, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "dsia", "tegradc.0"); clks[dsia] = clk; /* csi */ clk = tegra_clk_register_periph_gate("csi", "pll_p_out3", 0, clk_base, 0, 52, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "csi", "tegra_camera"); clks[csi] = clk; /* isp */ clk = tegra_clk_register_periph_gate("isp", "clk_m", 0, clk_base, 0, 23, &periph_l_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "isp", "tegra_camera"); clks[isp] = clk; /* pcie */ clk = tegra_clk_register_periph_gate("pcie", "clk_m", 0, clk_base, 0, 70, &periph_u_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "pcie", "tegra-pcie"); clks[pcie] = clk; /* afi */ clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72, &periph_u_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "afi", "tegra-pcie"); clks[afi] = clk; /* kfuse */ clk = tegra_clk_register_periph_gate("kfuse", "clk_m", TEGRA_PERIPH_ON_APB, clk_base, 0, 40, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "kfuse-tegra"); clks[kfuse] = clk; /* fuse */ clk = tegra_clk_register_periph_gate("fuse", "clk_m", TEGRA_PERIPH_ON_APB, clk_base, 0, 39, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "fuse", "fuse-tegra"); clks[fuse] = clk; /* fuse_burn */ clk = tegra_clk_register_periph_gate("fuse_burn", "clk_m", TEGRA_PERIPH_ON_APB, clk_base, 0, 39, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "fuse_burn", "fuse-tegra"); clks[fuse_burn] = clk; /* apbif */ clk = tegra_clk_register_periph_gate("apbif", "clk_m", 0, clk_base, 0, 107, &periph_v_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "apbif", "tegra30-ahub"); clks[apbif] = clk; /* hda2hdmi */ clk = tegra_clk_register_periph_gate("hda2hdmi", "clk_m", TEGRA_PERIPH_ON_APB, clk_base, 0, 128, &periph_w_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "hda2hdmi", "tegra30-hda"); clks[hda2hdmi] = clk; /* sata_cold */ clk = tegra_clk_register_periph_gate("sata_cold", "clk_m", TEGRA_PERIPH_ON_APB, clk_base, 0, 129, &periph_w_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "tegra_sata_cold"); clks[sata_cold] = clk; /* dtv */ clk = tegra_clk_register_periph_gate("dtv", "clk_m", TEGRA_PERIPH_ON_APB, clk_base, 0, 79, &periph_u_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, NULL, "dtv"); clks[dtv] = clk; /* emc */ clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, ARRAY_SIZE(mux_pllmcp_clkm), 0, clk_base + CLK_SOURCE_EMC, 30, 2, 0, NULL); clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0, 57, &periph_h_regs, periph_clk_enb_refcnt); clk_register_clkdev(clk, "emc", NULL); clks[emc] = clk; for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) { data = &tegra_periph_clk_list[i]; clk = tegra_clk_register_periph(data->name, data->parent_names, data->num_parents, &data->periph, clk_base, data->offset, data->flags); clk_register_clkdev(clk, data->con_id, data->dev_id); 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->parent_names, data->num_parents, &data->periph, clk_base, data->offset); clk_register_clkdev(clk, data->con_id, data->dev_id); clks[data->clk_id] = clk; } } static void __init tegra30_fixed_clk_init(void) { struct clk *clk; /* clk_32k */ clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT, 32768); clk_register_clkdev(clk, "clk_32k", NULL); clks[clk_32k] = clk; /* clk_m_div2 */ clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m", CLK_SET_RATE_PARENT, 1, 2); clk_register_clkdev(clk, "clk_m_div2", NULL); clks[clk_m_div2] = clk; /* clk_m_div4 */ clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m", CLK_SET_RATE_PARENT, 1, 4); clk_register_clkdev(clk, "clk_m_div4", NULL); clks[clk_m_div4] = clk; /* cml0 */ clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX, 0, 0, &cml_lock); clk_register_clkdev(clk, "cml0", NULL); clks[cml0] = clk; /* cml1 */ clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX, 1, 0, &cml_lock); clk_register_clkdev(clk, "cml1", NULL); clks[cml1] = clk; /* pciex */ clk = clk_register_fixed_rate(NULL, "pciex", "pll_e", 0, 100000000); clk_register_clkdev(clk, "pciex", NULL); clks[pciex] = clk; } static void __init tegra30_osc_clk_init(void) { struct clk *clk; unsigned int pll_ref_div; tegra30_clk_measure_input_freq(); /* clk_m */ clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT, input_freq); clk_register_clkdev(clk, "clk_m", NULL); clks[clk_m] = clk; /* pll_ref */ pll_ref_div = tegra30_get_pll_ref_div(); clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m", CLK_SET_RATE_PARENT, 1, pll_ref_div); clk_register_clkdev(clk, "pll_ref", NULL); clks[pll_ref] = clk; } /* 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) { unsigned int reg; writel(CPU_CLOCK(cpu), clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR); reg = 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_powergate_is_powered(TEGRA_POWERGATE_CPU1) || tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) || tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3); if (((cpu_rst_status & 0xE) != 0xE) || 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; /* Is CPU complex already running on PLLX? */ reg = readl(clk_base + CLK_RESET_CCLK_BURST); policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF; if (policy == CLK_RESET_CCLK_IDLE_POLICY) reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF; else if (policy == CLK_RESET_CCLK_RUN_POLICY) reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF; else BUG(); if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) { /* 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 __initdata struct tegra_clk_init_table init_table[] = { {uarta, pll_p, 408000000, 0}, {uartb, pll_p, 408000000, 0}, {uartc, pll_p, 408000000, 0}, {uartd, pll_p, 408000000, 0}, {uarte, pll_p, 408000000, 0}, {pll_a, clk_max, 564480000, 1}, {pll_a_out0, clk_max, 11289600, 1}, {extern1, pll_a_out0, 0, 1}, {clk_out_1_mux, extern1, 0, 0}, {clk_out_1, clk_max, 0, 1}, {blink, clk_max, 0, 1}, {i2s0, pll_a_out0, 11289600, 0}, {i2s1, pll_a_out0, 11289600, 0}, {i2s2, pll_a_out0, 11289600, 0}, {i2s3, pll_a_out0, 11289600, 0}, {i2s4, pll_a_out0, 11289600, 0}, {sdmmc1, pll_p, 48000000, 0}, {sdmmc2, pll_p, 48000000, 0}, {sdmmc3, pll_p, 48000000, 0}, {pll_m, clk_max, 0, 1}, {pclk, clk_max, 0, 1}, {csite, clk_max, 0, 1}, {emc, clk_max, 0, 1}, {mselect, clk_max, 0, 1}, {sbc1, pll_p, 100000000, 0}, {sbc2, pll_p, 100000000, 0}, {sbc3, pll_p, 100000000, 0}, {sbc4, pll_p, 100000000, 0}, {sbc5, pll_p, 100000000, 0}, {sbc6, pll_p, 100000000, 0}, {host1x, pll_c, 150000000, 0}, {disp1, pll_p, 600000000, 0}, {disp2, pll_p, 600000000, 0}, {twd, clk_max, 0, 1}, {gr2d, pll_c, 300000000, 0}, {gr3d, pll_c, 300000000, 0}, {clk_max, clk_max, 0, 0}, /* This MUST be the last entry. */ }; static void __init tegra30_clock_apply_init_table(void) { tegra_init_from_table(init_table, clks, clk_max); } /* * 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(usbd, "utmip-pad", NULL), TEGRA_CLK_DUPLICATE(usbd, "tegra-ehci.0", NULL), TEGRA_CLK_DUPLICATE(usbd, "tegra-otg", NULL), TEGRA_CLK_DUPLICATE(bsev, "tegra-avp", "bsev"), TEGRA_CLK_DUPLICATE(bsev, "nvavp", "bsev"), TEGRA_CLK_DUPLICATE(vde, "tegra-aes", "vde"), TEGRA_CLK_DUPLICATE(bsea, "tegra-aes", "bsea"), TEGRA_CLK_DUPLICATE(bsea, "nvavp", "bsea"), TEGRA_CLK_DUPLICATE(cml1, "tegra_sata_cml", NULL), TEGRA_CLK_DUPLICATE(cml0, "tegra_pcie", "cml"), TEGRA_CLK_DUPLICATE(pciex, "tegra_pcie", "pciex"), TEGRA_CLK_DUPLICATE(vcp, "nvavp", "vcp"), TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* MUST be the last entry */ }; static const struct of_device_id pmc_match[] __initconst = { { .compatible = "nvidia,tegra30-pmc" }, {}, }; void __init tegra30_clock_init(struct device_node *np) { struct device_node *node; int i; 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); if (!pmc_base) { pr_err("Can't map pmc registers\n"); BUG(); } tegra30_osc_clk_init(); tegra30_fixed_clk_init(); tegra30_pll_init(); tegra30_super_clk_init(); tegra30_periph_clk_init(); tegra30_audio_clk_init(); tegra30_pmc_clk_init(); for (i = 0; i < ARRAY_SIZE(clks); i++) { if (IS_ERR(clks[i])) { pr_err("Tegra30 clk %d: register failed with %ld\n", i, PTR_ERR(clks[i])); BUG(); } if (!clks[i]) clks[i] = ERR_PTR(-EINVAL); } tegra_init_dup_clks(tegra_clk_duplicates, clks, clk_max); clk_data.clks = clks; clk_data.clk_num = ARRAY_SIZE(clks); of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); tegra_clk_apply_init_table = tegra30_clock_apply_init_table; tegra_cpu_car_ops = &tegra30_cpu_car_ops; }