root/include/dt-bindings/clock/s3c2412.h

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INCLUDED FROM


   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
   4  *
   5  * Device Tree binding constants clock controllers of Samsung S3C2412.
   6  */
   7 
   8 #ifndef _DT_BINDINGS_CLOCK_SAMSUNG_S3C2412_CLOCK_H
   9 #define _DT_BINDINGS_CLOCK_SAMSUNG_S3C2412_CLOCK_H
  10 
  11 /*
  12  * Let each exported clock get a unique index, which is used on DT-enabled
  13  * platforms to lookup the clock from a clock specifier. These indices are
  14  * therefore considered an ABI and so must not be changed. This implies
  15  * that new clocks should be added either in free spaces between clock groups
  16  * or at the end.
  17  */
  18 
  19 /* Core clocks. */
  20 
  21 /* id 1 is reserved */
  22 #define MPLL                    2
  23 #define UPLL                    3
  24 #define MDIVCLK                 4
  25 #define MSYSCLK                 5
  26 #define USYSCLK                 6
  27 #define HCLK                    7
  28 #define PCLK                    8
  29 #define ARMDIV                  9
  30 #define ARMCLK                  10
  31 
  32 
  33 /* Special clocks */
  34 #define SCLK_CAM                16
  35 #define SCLK_UART               17
  36 #define SCLK_I2S                18
  37 #define SCLK_USBD               19
  38 #define SCLK_USBH               20
  39 
  40 /* pclk-gates */
  41 #define PCLK_WDT                32
  42 #define PCLK_SPI                33
  43 #define PCLK_I2S                34
  44 #define PCLK_I2C                35
  45 #define PCLK_ADC                36
  46 #define PCLK_RTC                37
  47 #define PCLK_GPIO               38
  48 #define PCLK_UART2              39
  49 #define PCLK_UART1              40
  50 #define PCLK_UART0              41
  51 #define PCLK_SDI                42
  52 #define PCLK_PWM                43
  53 #define PCLK_USBD               44
  54 
  55 /* hclk-gates */
  56 #define HCLK_HALF               48
  57 #define HCLK_X2                 49
  58 #define HCLK_SDRAM              50
  59 #define HCLK_USBH               51
  60 #define HCLK_LCD                52
  61 #define HCLK_NAND               53
  62 #define HCLK_DMA3               54
  63 #define HCLK_DMA2               55
  64 #define HCLK_DMA1               56
  65 #define HCLK_DMA0               57
  66 
  67 /* Total number of clocks. */
  68 #define NR_CLKS                 (HCLK_DMA0 + 1)
  69 
  70 #endif /* _DT_BINDINGS_CLOCK_SAMSUNG_S3C2412_CLOCK_H */

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