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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | /* * linux/arch/arm/mach-omap1/clock.h * * Copyright (C) 2004 - 2005, 2009 Nokia corporation * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com> * 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 #include <linux/clk.h> #include <plat/clock.h> int omap1_clk_init(void); void omap1_clk_late_init(void); extern int omap1_clk_enable(struct clk *clk); extern void omap1_clk_disable(struct clk *clk); extern long omap1_clk_round_rate(struct clk *clk, unsigned long rate); extern int omap1_clk_set_rate(struct clk *clk, unsigned long rate); extern unsigned long omap1_ckctl_recalc(struct clk *clk); extern int omap1_set_sossi_rate(struct clk *clk, unsigned long rate); extern unsigned long omap1_sossi_recalc(struct clk *clk); extern unsigned long omap1_ckctl_recalc_dsp_domain(struct clk *clk); extern int omap1_clk_set_rate_dsp_domain(struct clk *clk, unsigned long rate); extern int omap1_set_uart_rate(struct clk *clk, unsigned long rate); extern unsigned long omap1_uart_recalc(struct clk *clk); extern int omap1_set_ext_clk_rate(struct clk *clk, unsigned long rate); extern long omap1_round_ext_clk_rate(struct clk *clk, unsigned long rate); extern void omap1_init_ext_clk(struct clk *clk); extern int omap1_select_table_rate(struct clk *clk, unsigned long rate); extern long omap1_round_to_table_rate(struct clk *clk, unsigned long rate); extern int omap1_clk_set_rate_ckctl_arm(struct clk *clk, unsigned long rate); extern long omap1_clk_round_rate_ckctl_arm(struct clk *clk, unsigned long rate); extern unsigned long omap1_watchdog_recalc(struct clk *clk); #ifdef CONFIG_OMAP_RESET_CLOCKS extern void omap1_clk_disable_unused(struct clk *clk); #else #define omap1_clk_disable_unused NULL #endif 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 extern __u32 arm_idlect1_mask; extern struct clk *api_ck_p, *ck_dpll1_p, *ck_ref_p; extern const struct clkops clkops_dspck; extern const struct clkops clkops_dummy; extern const struct clkops clkops_uart_16xx; extern const struct clkops clkops_generic; #endif |