linux/Documentation/devicetree/bindings/pinctrl/marvell,dove-pinctrl.txt
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   1* Marvell Dove SoC pinctrl driver for mpp
   2
   3Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
   4part and usage.
   5
   6Required properties:
   7- compatible: "marvell,dove-pinctrl"
   8- clocks: (optional) phandle of pdma clock
   9
  10Available mpp pins/groups and functions:
  11Note: brackets (x) are not part of the mpp name for marvell,function and given
  12only for more detailed description in this document.
  13Note: pmu* also allows for Power Management functions listed below
  14
  15name          pins     functions
  16================================================================================
  17mpp0          0        gpio, pmu, uart2(rts), sdio0(cd), lcd0(pwm), pmu*
  18mpp1          1        gpio, pmu, uart2(cts), sdio0(wp), lcd1(pwm), pmu*
  19mpp2          2        gpio, pmu, uart2(txd), sdio0(buspwr), sata(prsnt),
  20                       uart1(rts), pmu*
  21mpp3          3        gpio, pmu, uart2(rxd), sdio0(ledctrl), sata(act),
  22                       uart1(cts), lcd-spi(cs1), pmu*
  23mpp4          4        gpio, pmu, uart3(rts), sdio1(cd), spi1(miso), pmu*
  24mpp5          5        gpio, pmu, uart3(cts), sdio1(wp), spi1(cs), pmu*
  25mpp6          6        gpio, pmu, uart3(txd), sdio1(buspwr), spi1(mosi), pmu*
  26mpp7          7        gpio, pmu, uart3(rxd), sdio1(ledctrl), spi1(sck), pmu*
  27mpp8          8        gpio, pmu, watchdog(rstout), pmu*
  28mpp9          9        gpio, pmu, pex1(clkreq), pmu*
  29mpp10         10       gpio, pmu, ssp(sclk), pmu*
  30mpp11         11       gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
  31                       sdio1(ledctrl), pex0(clkreq), pmu*
  32mpp12         12       gpio, pmu, uart2(rts), audio0(extclk), sdio1(cd),
  33                       sata(act), pmu*
  34mpp13         13       gpio, pmu, uart2(cts), audio1(extclk), sdio1(wp),
  35                       ssp(extclk), pmu*
  36mpp14         14       gpio, pmu, uart2(txd), sdio1(buspwr), ssp(rxd), pmu*
  37mpp15         15       gpio, pmu, uart2(rxd), sdio1(ledctrl), ssp(sfrm), pmu*
  38mpp16         16       gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1)
  39mpp17         17       gpio, uart3(cts), sdio0(wp), ac97(sdi2), twsi(sda),
  40                       ac97-1(sysclko)
  41mpp18         18       gpio, uart3(txd), sdio0(buspwr), ac97(sdi3), lcd0(pwm)
  42mpp19         19       gpio, uart3(rxd), sdio0(ledctrl), twsi(sck)
  43mpp20         20       gpio, sdio0(cd), sdio1(cd), spi1(miso), lcd-spi(miso),
  44                       ac97(sysclko)
  45mpp21         21       gpio, sdio0(wp), sdio1(wp), spi1(cs), lcd-spi(cs0),
  46                       uart1(cts), ssp(sfrm)
  47mpp22         22       gpio, sdio0(buspwr), sdio1(buspwr), spi1(mosi),
  48                       lcd-spi(mosi), uart1(cts), ssp(txd)
  49mpp23         23       gpio, sdio0(ledctrl), sdio1(ledctrl), spi1(sck),
  50                       lcd-spi(sck), ssp(sclk)
  51mpp_camera    24-39    gpio, camera
  52mpp_sdio0     40-45    gpio, sdio0
  53mpp_sdio1     46-51    gpio, sdio1
  54mpp_audio1    52-57    gpio, i2s1/spdifo, i2s1, spdifo, twsi, ssp/spdifo, ssp,
  55                       ssp/twsi
  56mpp_spi0      58-61    gpio, spi0
  57mpp_uart1     62-63    gpio, uart1
  58mpp_nand      64-71    gpo, nand
  59audio0        -        i2s, ac97
  60twsi          -        none, opt1, opt2, opt3
  61
  62Power Management functions (pmu*):
  63pmu-nc               Pin not driven by any PM function
  64pmu-low              Pin driven low (0)
  65pmu-high             Pin driven high (1)
  66pmic(sdi)            Pin is used for PMIC SDI
  67cpu-pwr-down         Pin is used for CPU_PWRDWN
  68standby-pwr-down     Pin is used for STBY_PWRDWN
  69core-pwr-good        Pin is used for CORE_PWR_GOOD (Pins 0-7 only)
  70cpu-pwr-good         Pin is used for CPU_PWR_GOOD (Pins 8-15 only)
  71bat-fault            Pin is used for BATTERY_FAULT
  72ext0-wakeup          Pin is used for EXT0_WU
  73ext1-wakeup          Pin is used for EXT0_WU
  74ext2-wakeup          Pin is used for EXT0_WU
  75pmu-blink            Pin is used for blink function
  76
  77Notes:
  78* group "mpp_audio1" allows the following functions and gpio pins:
  79  - gpio          : gpio on pins 52-57
  80  - i2s1/spdifo   : audio1 i2s on pins 52-55 and spdifo on 57, no gpios
  81  - i2s1          : audio1 i2s on pins 52-55, gpio on pins 56,57
  82  - spdifo        : spdifo on pin 57, gpio on pins 52-55
  83  - twsi          : twsi on pins 56,57, gpio on pins 52-55
  84  - ssp/spdifo    : ssp on pins 52-55, spdifo on pin 57, no gpios
  85  - ssp           : ssp on pins 52-55, gpio on pins 56,57
  86  - ssp/twsi      : ssp on pins 52-55, twsi on pins 56,57, no gpios
  87* group "audio0" internally muxes i2s0 or ac97 controller to the dedicated
  88  audio0 pins.
  89* group "twsi" internally muxes twsi controller to the dedicated or option pins.
  90