include/asm-arm/arch-pxa/h1900-gpio.h

   1 /*
   2  *
   3  * Definitions for HP iPAQ Handheld Computer
   4  *
   5  * Copyright 2003 Hewlett-Packard Company.
   6  *
   7  * Use consistent with the GNU GPL is permitted,
   8  * provided that this copyright notice is
   9  * preserved in its entirety in all copies and derived works.
  10  *
  11  * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
  12  * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
  13  * FITNESS FOR ANY PARTICULAR PURPOSE.
  14  *
  15  * Author: Jamey Hicks.
  16  *
  17  */
  18
  19 #ifndef _H1900_GPIO_H_
  20 #define _H1900_GPIO_H_
  21
  22 /* INPUT and OUTPUT are just what joshua notes wince sets 'em up as. */
  23
  24 #define GPIO_NR_H1900_POWER_BUTTON_N    (0)   /* Also known as the "off button" - INPUT */
  25 #define GPIO_NR_H1900_WARM_RST_N        (1)   /* external circuit to differentiate warm/cold resets - INPUT*/
  26 #define GPIO_NR_H1900_SD_DETECT_N       (2)   /* INPUT */
  27 #define GPIO_NR_H1900_CHARGING          (3)   /* charger active signal INPUT */
  28 #define GPIO_NR_H1900_AC_IN_N           (4)   /* detect ac adapter */
  29 #define GPIO_NR_H1900_BATTERY_DOOR_N    (5)   /* whether door is present */
  30 // gpio 6 not connected ?
  31 #define GPIO_NR_H1900_USB_DETECT2_N     (7)  /* Seems to detect USB also.*/
  32 #define GPIO_NR_H1900_APP_BUTTON0_N     (8)  /* app button 0 */
  33 #define GPIO_NR_H1900_ASIC_IRQ_1_N      (9)  /* ASIC IRQ? */
  34 #define GPIO_NR_H1900_SD_IRQ_N          (10)
  35 #define GPIO_NR_H1900_MBAT_IN           (11) /* battery present */
  36 #define GPIO_NR_H1900_ASIC3_IRQ         (12) /* I can't get this to fire. - OUTPUT */
  37 #define GPIO_NR_H1900_ASIC_IRQ_2_N      (13) /* ASIC IRQ? */
  38 #define GPIO_NR_H1900_USB_DETECT_N      (14) /* This seems to be USB_DETECT_N */
  39 #define GPIO_NR_H1900_RECORD_BUTTON_N   (15) /* not used for CS1#. unsure if correct. - OUTPUT*/
  40 #define GPIO_NR_H1900_LCD_PWM           (16) /* OUTPUT */
  41 #define GPIO_NR_H1900_SOFT_RESET_N      (17) /* OUTPUT - take it low, then hit power, and the device downloads brownware*/
  42 // 18 is RDY (need to set GAFR)
  43 #define GPIO_NR_H1900_UP_BUTTON_N       (19) /* INPUT */
  44 #define GPIO_NR_H1900_APP_BUTTON2_N     (20) /* always zero? - OUTPUT */
  45 #define GPIO_NR_H1900_ACTION_BUTTON_N   (21) /* INPUT */
  46 // 22 unused
  47 #define GPIO_NR_H1900_SPI_CLK           (23) /* SPI/Microwire things */
  48 #define GPIO_NR_H1900_SPI_CS_N          (24) /* Used for touchscreen */
  49 #define GPIO_NR_H1900_SPI_TXD           (25)
  50 #define GPIO_NR_H1900_SPI_RXD           (26)
  51 #define GPIO_NR_H1900_PEN_IRQ_N         (27) /* detect stylus down */
  52
  53 /* IIS to UDA1380 */
  54 #define GPIO_NR_H1900_AC97_BITCLK       (28)
  55 #define GPIO_NR_H1900_AC97_SDATA_IN     (29)
  56 #define GPIO_NR_H1900_AC97_SDATA_OUT    (30)
  57 #define GPIO_NR_H1900_AC97_SYNC         (31)
  58
  59 #define GPIO_NR_H1900_SYS_CLK           (32) /* check connection of this */
  60 // 33 is CS5#, (need to set GAFR)
  61
  62 #define GPIO_NR_H1900_LCD_SOMETHING     (34) /* it seems we have to set this */
  63 #define GPIO_NR_H1900_FFUART_CTS_N      (35)
  64 #define GPIO_NR_H1900_FL_PWR_EN         (36) /* front light.  have to steal this from serial driver */
  65 #define GPIO_NR_H1900_FLASH_VPEN        (37) /* have to steal this from serial driver. */
  66 #define GPIO_NR_H1900_LCD_PCI           (38) /* LCD ??. have to steal this from serial driver. */
  67 #define GPIO_NR_H1900_FFUART_TXD        (39)
  68 #define GPIO_NR_H1900_FW_LOW_N          (40) /* output, something to do with reset, steal from serial */
  69 #define GPIO_NR_H1900_FFUART_RTS_N      (41)
  70
  71 #define GPIO_NR_H1900_CHARGER_EN        (42)
  72 #define GPIO_NR_H1900_DOWN_BUTTON_N     (43)
  73 #define GPIO_NR_H1900_LEFT_BUTTON_N     (44)
  74 #define GPIO_NR_H1900_RIGHT_BUTTON_N    (45)
  75
  76 #define GPIO_NR_H1900_IR_RXD            (46)
  77 #define GPIO_NR_H1900_IR_TXD            (47)
  78
  79 #define GPIO_NR_H1900_VGL_EN            (48) /* lcd -7V supply */
  80
  81 // 49 is PWE# (need to set GAFR)
  82
  83 #define GPIO_NR_H1900_LCD_DVDD_EN       (50) /* 2.5V to LCD */
  84 #define GPIO_NR_H1900_LCD_TYPE          (51)
  85 #define GPIO_NR_H1900_SPEAKER_EN        (52) /* speaker amplifier power */
  86 #define GPIO_NR_H1900_CODEC_AUDIO_RESET (53)
  87 #define GPIO_NR_H1900_ASIC3_RESET_N     (54)
  88 #define GPIO_NR_H1900_FLASH_BUSY_N      (55)
  89 #define GPIO_NR_H1900_KB_DETECT_N       (56)
  90 #define GPIO_NR_H1900_HEADPHONE_IN_N    (57) /* headphone detect? */
  91
  92 // 58 through 77 is LCD signals (need to set GAFR)
  93
  94 // 78 is CS2# (need to set GAFR) /* nand flash */
  95 // 79 is CS3# (need to set GAFR)
  96 // 80 is CS4# (need to set GAFR) /* asic3 is on CS4# ? */
  97
  98 #endif /* _H1900_GPIO_H_ */