/* * linux/arch/arm/mach-omap1/clock.h * * Copyright (C) 2004 - 2005 Nokia corporation * Written by Tuukka Tikkanen * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __ARCH_ARM_MACH_OMAP1_CLOCK_H #define __ARCH_ARM_MACH_OMAP1_CLOCK_H static unsigned long omap1_ckctl_recalc(struct clk *clk); static unsigned long omap1_watchdog_recalc(struct clk *clk); static int omap1_set_sossi_rate(struct clk *clk, unsigned long rate); static unsigned long omap1_sossi_recalc(struct clk *clk); static unsigned long omap1_ckctl_recalc_dsp_domain(struct clk *clk); static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate); static int omap1_set_uart_rate(struct clk * clk, unsigned long rate); static unsigned long omap1_uart_recalc(struct clk *clk); static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate); static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate); static void omap1_init_ext_clk(struct clk * clk); static int omap1_select_table_rate(struct clk * clk, unsigned long rate); static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate); static int omap1_clk_set_rate_ckctl_arm(struct clk *clk, unsigned long rate); static long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate); struct mpu_rate { unsigned long rate; unsigned long xtal; unsigned long pll_rate; __u16 ckctl_val; __u16 dpllctl_val; }; struct uart_clk { struct clk clk; unsigned long sysc_addr; }; /* Provide a method for preventing idling some ARM IDLECT clocks */ struct arm_idlect1_clk { struct clk clk; unsigned long no_idle_count; __u8 idlect_shift; }; /* ARM_CKCTL bit shifts */ #define CKCTL_PERDIV_OFFSET 0 #define CKCTL_LCDDIV_OFFSET 2 #define CKCTL_ARMDIV_OFFSET 4 #define CKCTL_DSPDIV_OFFSET 6 #define CKCTL_TCDIV_OFFSET 8 #define CKCTL_DSPMMUDIV_OFFSET 10 /*#define ARM_TIMXO 12*/ #define EN_DSPCK 13 /*#define ARM_INTHCK_SEL 14*/ /* Divide-by-2 for mpu inth_ck */ /* DSP_CKCTL bit shifts */ #define CKCTL_DSPPERDIV_OFFSET 0 /* ARM_IDLECT2 bit shifts */ #define EN_WDTCK 0 #define EN_XORPCK 1 #define EN_PERCK 2 #define EN_LCDCK 3 #define EN_LBCK 4 /* Not on 1610/1710 */ /*#define EN_HSABCK 5*/ #define EN_APICK 6 #define EN_TIMCK 7 #define DMACK_REQ 8 #define EN_GPIOCK 9 /* Not on 1610/1710 */ /*#define EN_LBFREECK 10*/ #define EN_CKOUT_ARM 11 /* ARM_IDLECT3 bit shifts */ #define EN_OCPI_CK 0 #define EN_TC1_CK 2 #define EN_TC2_CK 4 /* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */ #define EN_DSPTIMCK 5 /* Various register defines for clock controls scattered around OMAP chip */ #define SDW_MCLK_INV_BIT 2 /* In ULPD_CLKC_CTRL */ #define USB_MCLK_EN_BIT 4 /* In ULPD_CLKC_CTRL */ #define USB_HOST_HHC_UHOST_EN 9 /* In MOD_CONF_CTRL_0 */ #define SWD_ULPD_PLL_CLK_REQ 1 /* In SWD_CLK_DIV_CTRL_SEL */ #define COM_ULPD_PLL_CLK_REQ 1 /* In COM_CLK_DIV_CTRL_SEL */ #define SWD_CLK_DIV_CTRL_SEL 0xfffe0874 #define COM_CLK_DIV_CTRL_SEL 0xfffe0878 #define SOFT_REQ_REG 0xfffe0834 #define SOFT_REQ_REG2 0xfffe0880 /*------------------------------------------------------------------------- * Omap1 MPU rate table *-------------------------------------------------------------------------*/ static struct mpu_rate rate_table[] = { /* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL * NOTE: Comment order here is different from bits in CKCTL value: * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv */ #if defined(CONFIG_OMAP_ARM_216MHZ) { 216000000, 12000000, 216000000, 0x050d, 0x2910 }, /* 1/1/2/2/2/8 */ #endif #if defined(CONFIG_OMAP_ARM_195MHZ) { 195000000, 13000000, 195000000, 0x050e, 0x2790 }, /* 1/1/2/2/4/8 */ #endif #if defined(CONFIG_OMAP_ARM_192MHZ) { 192000000, 19200000, 192000000, 0x050f, 0x2510 }, /* 1/1/2/2/8/8 */ { 192000000, 12000000, 192000000, 0x050f, 0x2810 }, /* 1/1/2/2/8/8 */ { 96000000, 12000000, 192000000, 0x055f, 0x2810 }, /* 2/2/2/2/8/8 */ { 48000000, 12000000, 192000000, 0x0baf, 0x2810 }, /* 4/4/4/8/8/8 */ { 24000000, 12000000, 192000000, 0x0fff, 0x2810 }, /* 8/8/8/8/8/8 */ #endif #if defined(CONFIG_OMAP_ARM_182MHZ) { 182000000, 13000000, 182000000, 0x050e, 0x2710 }, /* 1/1/2/2/4/8 */ #endif #if defined(CONFIG_OMAP_ARM_168MHZ) { 168000000, 12000000, 168000000, 0x010f, 0x2710 }, /* 1/1/1/2/8/8 */ #endif #if defined(CONFIG_OMAP_ARM_150MHZ) { 150000000, 12000000, 150000000, 0x010a, 0x2cb0 }, /* 1/1/1/2/4/4 */ #endif #if defined(CONFIG_OMAP_ARM_120MHZ) { 120000000, 12000000, 120000000, 0x010a, 0x2510 }, /* 1/1/1/2/4/4 */ #endif #if defined(CONFIG_OMAP_ARM_96MHZ) { 96000000, 12000000, 96000000, 0x0005, 0x2410 }, /* 1/1/1/1/2/2 */ #endif #if defined(CONFIG_OMAP_ARM_60MHZ) { 60000000, 12000000, 60000000, 0x0005, 0x2290 }, /* 1/1/1/1/2/2 */ #endif #if defined(CONFIG_OMAP_ARM_30MHZ) { 30000000, 12000000, 60000000, 0x0555, 0x2290 }, /* 2/2/2/2/2/2 */ #endif { 0, 0, 0, 0, 0 }, }; /*------------------------------------------------------------------------- * Omap1 clocks *-------------------------------------------------------------------------*/ static struct clk ck_ref = { .name = "ck_ref", .ops = &clkops_null, .rate = 12000000, }; static struct clk ck_dpll1 = { .name = "ck_dpll1", .ops = &clkops_null, .parent = &ck_ref, }; /* * FIXME: This clock seems to be necessary but no-one has asked for its * activation. [ FIX: SoSSI, SSR ] */ static struct arm_idlect1_clk ck_dpll1out = { .clk = { .name = "ck_dpll1out", .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IDLE_CONTROL | ENABLE_REG_32BIT | ENABLE_ON_INIT, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_CKOUT_ARM, .recalc = &followparent_recalc, }, .idlect_shift = 12, }; static struct clk sossi_ck = { .name = "ck_sossi", .ops = &clkops_generic, .parent = &ck_dpll1out.clk, .flags = CLOCK_NO_IDLE_PARENT | ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_1), .enable_bit = 16, .recalc = &omap1_sossi_recalc, .set_rate = &omap1_set_sossi_rate, }; static struct clk arm_ck = { .name = "arm_ck", .ops = &clkops_null, .parent = &ck_dpll1, .rate_offset = CKCTL_ARMDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }; static struct arm_idlect1_clk armper_ck = { .clk = { .name = "armper_ck", .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_PERCK, .rate_offset = CKCTL_PERDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }, .idlect_shift = 2, }; /* * FIXME: This clock seems to be necessary but no-one has asked for its * activation. [ GPIO code for 1510 ] */ static struct clk arm_gpio_ck = { .name = "arm_gpio_ck", .ops = &clkops_generic, .parent = &ck_dpll1, .flags = ENABLE_ON_INIT, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_GPIOCK, .recalc = &followparent_recalc, }; static struct arm_idlect1_clk armxor_ck = { .clk = { .name = "armxor_ck", .ops = &clkops_generic, .parent = &ck_ref, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_XORPCK, .recalc = &followparent_recalc, }, .idlect_shift = 1, }; static struct arm_idlect1_clk armtim_ck = { .clk = { .name = "armtim_ck", .ops = &clkops_generic, .parent = &ck_ref, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_TIMCK, .recalc = &followparent_recalc, }, .idlect_shift = 9, }; static struct arm_idlect1_clk armwdt_ck = { .clk = { .name = "armwdt_ck", .ops = &clkops_generic, .parent = &ck_ref, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_WDTCK, .recalc = &omap1_watchdog_recalc, }, .idlect_shift = 0, }; static struct clk arminth_ck16xx = { .name = "arminth_ck", .ops = &clkops_null, .parent = &arm_ck, .recalc = &followparent_recalc, /* Note: On 16xx the frequency can be divided by 2 by programming * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1 * * 1510 version is in TC clocks. */ }; static struct clk dsp_ck = { .name = "dsp_ck", .ops = &clkops_generic, .parent = &ck_dpll1, .enable_reg = OMAP1_IO_ADDRESS(ARM_CKCTL), .enable_bit = EN_DSPCK, .rate_offset = CKCTL_DSPDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }; static struct clk dspmmu_ck = { .name = "dspmmu_ck", .ops = &clkops_null, .parent = &ck_dpll1, .rate_offset = CKCTL_DSPMMUDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }; static struct clk dspper_ck = { .name = "dspper_ck", .ops = &clkops_dspck, .parent = &ck_dpll1, .enable_reg = DSP_IDLECT2, .enable_bit = EN_PERCK, .rate_offset = CKCTL_PERDIV_OFFSET, .recalc = &omap1_ckctl_recalc_dsp_domain, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = &omap1_clk_set_rate_dsp_domain, }; static struct clk dspxor_ck = { .name = "dspxor_ck", .ops = &clkops_dspck, .parent = &ck_ref, .enable_reg = DSP_IDLECT2, .enable_bit = EN_XORPCK, .recalc = &followparent_recalc, }; static struct clk dsptim_ck = { .name = "dsptim_ck", .ops = &clkops_dspck, .parent = &ck_ref, .enable_reg = DSP_IDLECT2, .enable_bit = EN_DSPTIMCK, .recalc = &followparent_recalc, }; /* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */ static struct arm_idlect1_clk tc_ck = { .clk = { .name = "tc_ck", .ops = &clkops_null, .parent = &ck_dpll1, .flags = CLOCK_IDLE_CONTROL, .rate_offset = CKCTL_TCDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }, .idlect_shift = 6, }; static struct clk arminth_ck1510 = { .name = "arminth_ck", .ops = &clkops_null, .parent = &tc_ck.clk, .recalc = &followparent_recalc, /* Note: On 1510 the frequency follows TC_CK * * 16xx version is in MPU clocks. */ }; static struct clk tipb_ck = { /* No-idle controlled by "tc_ck" */ .name = "tipb_ck", .ops = &clkops_null, .parent = &tc_ck.clk, .recalc = &followparent_recalc, }; static struct clk l3_ocpi_ck = { /* No-idle controlled by "tc_ck" */ .name = "l3_ocpi_ck", .ops = &clkops_generic, .parent = &tc_ck.clk, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3), .enable_bit = EN_OCPI_CK, .recalc = &followparent_recalc, }; static struct clk tc1_ck = { .name = "tc1_ck", .ops = &clkops_generic, .parent = &tc_ck.clk, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3), .enable_bit = EN_TC1_CK, .recalc = &followparent_recalc, }; /* * FIXME: This clock seems to be necessary but no-one has asked for its * activation. [ pm.c (SRAM), CCP, Camera ] */ static struct clk tc2_ck = { .name = "tc2_ck", .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = ENABLE_ON_INIT, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT3), .enable_bit = EN_TC2_CK, .recalc = &followparent_recalc, }; static struct clk dma_ck = { /* No-idle controlled by "tc_ck" */ .name = "dma_ck", .ops = &clkops_null, .parent = &tc_ck.clk, .recalc = &followparent_recalc, }; static struct clk dma_lcdfree_ck = { .name = "dma_lcdfree_ck", .ops = &clkops_null, .parent = &tc_ck.clk, .recalc = &followparent_recalc, }; static struct arm_idlect1_clk api_ck = { .clk = { .name = "api_ck", .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_APICK, .recalc = &followparent_recalc, }, .idlect_shift = 8, }; static struct arm_idlect1_clk lb_ck = { .clk = { .name = "lb_ck", .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_LBCK, .recalc = &followparent_recalc, }, .idlect_shift = 4, }; static struct clk rhea1_ck = { .name = "rhea1_ck", .ops = &clkops_null, .parent = &tc_ck.clk, .recalc = &followparent_recalc, }; static struct clk rhea2_ck = { .name = "rhea2_ck", .ops = &clkops_null, .parent = &tc_ck.clk, .recalc = &followparent_recalc, }; static struct clk lcd_ck_16xx = { .name = "lcd_ck", .ops = &clkops_generic, .parent = &ck_dpll1, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_LCDCK, .rate_offset = CKCTL_LCDDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }; static struct arm_idlect1_clk lcd_ck_1510 = { .clk = { .name = "lcd_ck", .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IDLE_CONTROL, .enable_reg = OMAP1_IO_ADDRESS(ARM_IDLECT2), .enable_bit = EN_LCDCK, .rate_offset = CKCTL_LCDDIV_OFFSET, .recalc = &omap1_ckctl_recalc, .round_rate = omap1_clk_round_rate_ckctl_arm, .set_rate = omap1_clk_set_rate_ckctl_arm, }, .idlect_shift = 3, }; static struct clk uart1_1510 = { .name = "uart1_ck", .ops = &clkops_null, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 12000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 29, /* Chooses between 12MHz and 48MHz */ .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, }; static struct uart_clk uart1_16xx = { .clk = { .name = "uart1_ck", .ops = &clkops_uart, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 48000000, .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 29, }, .sysc_addr = 0xfffb0054, }; static struct clk uart2_ck = { .name = "uart2_ck", .ops = &clkops_null, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 12000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 30, /* Chooses between 12MHz and 48MHz */ .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, }; static struct clk uart3_1510 = { .name = "uart3_ck", .ops = &clkops_null, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 12000000, .flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 31, /* Chooses between 12MHz and 48MHz */ .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, }; static struct uart_clk uart3_16xx = { .clk = { .name = "uart3_ck", .ops = &clkops_uart, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 48000000, .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 31, }, .sysc_addr = 0xfffb9854, }; static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */ .name = "usb_clko", .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 6000000, .flags = RATE_FIXED | ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(ULPD_CLOCK_CTRL), .enable_bit = USB_MCLK_EN_BIT, }; static struct clk usb_hhc_ck1510 = { .name = "usb_hhc_ck", .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */ .flags = RATE_FIXED | ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = USB_HOST_HHC_UHOST_EN, }; static struct clk usb_hhc_ck16xx = { .name = "usb_hhc_ck", .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */ .flags = RATE_FIXED | ENABLE_REG_32BIT, .enable_reg = OMAP1_IO_ADDRESS(OTG_BASE + 0x08), /* OTG_SYSCON_2 */ .enable_bit = 8 /* UHOST_EN */, }; static struct clk usb_dc_ck = { .name = "usb_dc_ck", .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, .flags = RATE_FIXED, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 4, }; static struct clk usb_dc_ck7xx = { .name = "usb_dc_ck", .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, .flags = RATE_FIXED, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 8, }; static struct clk mclk_1510 = { .name = "mclk", .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, .flags = RATE_FIXED, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 6, }; static struct clk mclk_16xx = { .name = "mclk", .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .enable_reg = OMAP1_IO_ADDRESS(COM_CLK_DIV_CTRL_SEL), .enable_bit = COM_ULPD_PLL_CLK_REQ, .set_rate = &omap1_set_ext_clk_rate, .round_rate = &omap1_round_ext_clk_rate, .init = &omap1_init_ext_clk, }; static struct clk bclk_1510 = { .name = "bclk", .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, .flags = RATE_FIXED, }; static struct clk bclk_16xx = { .name = "bclk", .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .enable_reg = OMAP1_IO_ADDRESS(SWD_CLK_DIV_CTRL_SEL), .enable_bit = SWD_ULPD_PLL_CLK_REQ, .set_rate = &omap1_set_ext_clk_rate, .round_rate = &omap1_round_ext_clk_rate, .init = &omap1_init_ext_clk, }; static struct clk mmc1_ck = { .name = "mmc_ck", .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 23, }; static struct clk mmc2_ck = { .name = "mmc_ck", .id = 1, .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0), .enable_bit = 20, }; static struct clk mmc3_ck = { .name = "mmc_ck", .id = 2, .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, .flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG), .enable_bit = 12, }; static struct clk virtual_ck_mpu = { .name = "mpu", .ops = &clkops_null, .parent = &arm_ck, /* Is smarter alias for */ .recalc = &followparent_recalc, .set_rate = &omap1_select_table_rate, .round_rate = &omap1_round_to_table_rate, }; /* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK remains active during MPU idle whenever this is enabled */ static struct clk i2c_fck = { .name = "i2c_fck", .id = 1, .ops = &clkops_null, .flags = CLOCK_NO_IDLE_PARENT, .parent = &armxor_ck.clk, .recalc = &followparent_recalc, }; static struct clk i2c_ick = { .name = "i2c_ick", .id = 1, .ops = &clkops_null, .flags = CLOCK_NO_IDLE_PARENT, .parent = &armper_ck.clk, .recalc = &followparent_recalc, }; #endif