ti_prcm.h

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    1 /*
    2  * Copyright (c) 2010
    3  *      Ben Gray <ben.r.gray@gmail.com>.
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  * 3. All advertising materials mentioning features or use of this software
   15  *    must display the following acknowledgement:
   16  *      This product includes software developed by Ben Gray.
   17  * 4. The name of the company nor the name of the author may be used to
   18  *    endorse or promote products derived from this software without specific
   19  *    prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY BEN GRAY ``AS IS'' AND ANY EXPRESS OR
   22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   24  * IN NO EVENT SHALL BEN GRAY BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   27  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   29  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   30  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   31  *
   32  * $FreeBSD: releng/10.0/sys/arm/ti/ti_prcm.h 254592 2013-08-21 04:20:17Z ian $
   33  */
   34 
   35 
   36 /*
   37  * Texas Instruments - OMAP3xxx series processors
   38  *
   39  * Reference:
   40  *  OMAP35x Applications Processor
   41  *   Technical Reference Manual
   42  *  (omap35xx_techref.pdf)
   43  */
   44 #ifndef _TI_PRCM_H_
   45 #define _TI_PRCM_H_
   46 
   47 typedef enum {
   48 
   49         /* System clocks, typically you can only call ti_prcm_clk_get_source_freq()
   50          * on these clocks as they are enabled by default.
   51          */
   52         SYS_CLK = 1,
   53 
   54         /* The MPU (ARM) core clock */
   55         MPU_CLK = 20,
   56 
   57         /* MMC modules */
   58         MMC0_CLK = 100,
   59         MMC1_CLK,
   60         MMC2_CLK,
   61         MMC3_CLK,
   62         MMC4_CLK,
   63         MMC5_CLK,
   64 
   65         /* I2C modules */
   66         I2C0_CLK = 200,
   67         I2C1_CLK,
   68         I2C2_CLK,
   69         I2C3_CLK,
   70         I2C4_CLK,
   71 
   72         /* USB module(s) */
   73         USBTLL_CLK = 300,
   74         USBHSHOST_CLK,
   75         USBFSHOST_CLK,
   76         USBP1_PHY_CLK,
   77         USBP2_PHY_CLK,
   78         USBP1_UTMI_CLK,
   79         USBP2_UTMI_CLK,
   80         USBP1_HSIC_CLK,
   81         USBP2_HSIC_CLK,
   82 
   83         /* UART modules */
   84         UART0_CLK = 400,
   85         UART1_CLK,
   86         UART2_CLK,
   87         UART3_CLK,
   88         UART4_CLK,
   89         UART5_CLK,
   90         UART6_CLK,
   91         UART7_CLK,
   92         UART8_CLK,
   93 
   94         /* General purpose timer modules */
   95         GPTIMER1_CLK = 500,
   96         GPTIMER2_CLK,
   97         GPTIMER3_CLK,
   98         GPTIMER4_CLK,
   99         GPTIMER5_CLK,
  100         GPTIMER6_CLK,
  101         GPTIMER7_CLK,
  102         GPTIMER8_CLK,
  103         GPTIMER9_CLK,
  104         GPTIMER10_CLK,
  105         GPTIMER11_CLK,
  106         GPTIMER12_CLK,
  107 
  108         /* McBSP module(s) */
  109         MCBSP1_CLK = 600,
  110         MCBSP2_CLK,
  111         MCBSP3_CLK,
  112         MCBSP4_CLK,
  113         MCBSP5_CLK,
  114 
  115         /* General purpose I/O modules */
  116         GPIO0_CLK = 700,
  117         GPIO1_CLK,
  118         GPIO2_CLK,
  119         GPIO3_CLK,
  120         GPIO4_CLK,
  121         GPIO5_CLK,
  122         GPIO6_CLK,
  123 
  124         /* sDMA module */
  125         SDMA_CLK = 800,
  126 
  127         /* DMTimer modules */
  128         DMTIMER0_CLK = 900,
  129         DMTIMER1_CLK,
  130         DMTIMER2_CLK,
  131         DMTIMER3_CLK,
  132         DMTIMER4_CLK,
  133         DMTIMER5_CLK,
  134         DMTIMER6_CLK,
  135         DMTIMER7_CLK,
  136 
  137         /* CPSW modules */
  138         CPSW_CLK = 1000,
  139 
  140         /* Mentor USB modules */
  141         MUSB0_CLK = 1100,
  142 
  143         /* EDMA module */
  144         EDMA_TPCC_CLK = 1200,
  145         EDMA_TPTC0_CLK,
  146         EDMA_TPTC1_CLK,
  147         EDMA_TPTC2_CLK,
  148 
  149         /* LCD controller module */
  150         LCDC_CLK = 1300,
  151 
  152         /* PWM modules */
  153         PWMSS0_CLK = 1400,
  154         PWMSS1_CLK,
  155         PWMSS2_CLK,
  156 
  157         /* Mailbox modules */
  158         MAILBOX0_CLK = 1500,
  159 
  160         /* Spinlock modules */
  161         SPINLOCK0_CLK = 1600,
  162 
  163         PRUSS_CLK = 1700,
  164 
  165         INVALID_CLK_IDENT
  166 
  167 } clk_ident_t;
  168 
  169 /*
  170  *
  171  */
  172 typedef enum {
  173         SYSCLK_CLK,   /* System clock */
  174         EXT_CLK,
  175 
  176         F32KHZ_CLK,   /* 32KHz clock */
  177         F48MHZ_CLK,   /* 48MHz clock */
  178         F64MHZ_CLK,   /* 64MHz clock */
  179         F96MHZ_CLK,   /* 96MHz clock */
  180 
  181 } clk_src_t;
  182 
  183 struct ti_clock_dev {
  184         /* The profile of the timer */
  185         clk_ident_t  id;
  186 
  187         /* A bunch of callbacks associated with the clock device */
  188         int (*clk_activate)(struct ti_clock_dev *clkdev);
  189         int (*clk_deactivate)(struct ti_clock_dev *clkdev);
  190         int (*clk_set_source)(struct ti_clock_dev *clkdev,
  191             clk_src_t clksrc);
  192         int (*clk_accessible)(struct ti_clock_dev *clkdev);
  193         int (*clk_get_source_freq)(struct ti_clock_dev *clkdev,
  194             unsigned int *freq);
  195 };
  196 
  197 int ti_prcm_clk_valid(clk_ident_t clk);
  198 int ti_prcm_clk_enable(clk_ident_t clk);
  199 int ti_prcm_clk_disable(clk_ident_t clk);
  200 int ti_prcm_clk_accessible(clk_ident_t clk);
  201 int ti_prcm_clk_disable_autoidle(clk_ident_t clk);
  202 int ti_prcm_clk_set_source(clk_ident_t clk, clk_src_t clksrc);
  203 int ti_prcm_clk_get_source_freq(clk_ident_t clk, unsigned int *freq);
  204 void ti_prcm_reset(void);
  205 
  206 #endif   /* _TI_PRCM_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/arm/ti/ti_prcm.h

FreeBSD/Linux Kernel Cross Reference
sys/arm/ti/ti_prcm.h