1 * Marvell Dove SoC pinctrl driver for mpp
3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
7 - compatible: "marvell,dove-pinctrl"
8 - clocks: (optional) phandle of pdma clock
9 - reg: register specifiers of MPP, MPP4, and PMU MPP registers
11 Available mpp pins/groups and functions:
12 Note: brackets (x) are not part of the mpp name for marvell,function and given
13 only for more detailed description in this document.
14 Note: pmu* also allows for Power Management functions listed below
17 ================================================================================
18 mpp0 0 gpio, pmu, uart2(rts), sdio0(cd), lcd0(pwm), pmu*
19 mpp1 1 gpio, pmu, uart2(cts), sdio0(wp), lcd1(pwm), pmu*
20 mpp2 2 gpio, pmu, uart2(txd), sdio0(buspwr), sata(prsnt),
22 mpp3 3 gpio, pmu, uart2(rxd), sdio0(ledctrl), sata(act),
23 uart1(cts), lcd-spi(cs1), pmu*
24 mpp4 4 gpio, pmu, uart3(rts), sdio1(cd), spi1(miso), pmu*
25 mpp5 5 gpio, pmu, uart3(cts), sdio1(wp), spi1(cs), pmu*
26 mpp6 6 gpio, pmu, uart3(txd), sdio1(buspwr), spi1(mosi), pmu*
27 mpp7 7 gpio, pmu, uart3(rxd), sdio1(ledctrl), spi1(sck), pmu*
28 mpp8 8 gpio, pmu, watchdog(rstout), pmu*
29 mpp9 9 gpio, pmu, pex1(clkreq), pmu*
30 mpp10 10 gpio, pmu, ssp(sclk), pmu*
31 mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
32 sdio1(ledctrl), pex0(clkreq), pmu*
33 mpp12 12 gpio, pmu, uart2(rts), audio0(extclk), sdio1(cd),
35 mpp13 13 gpio, pmu, uart2(cts), audio1(extclk), sdio1(wp),
37 mpp14 14 gpio, pmu, uart2(txd), sdio1(buspwr), ssp(rxd), pmu*
38 mpp15 15 gpio, pmu, uart2(rxd), sdio1(ledctrl), ssp(sfrm), pmu*
39 mpp16 16 gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1)
40 mpp17 17 gpio, uart3(cts), sdio0(wp), ac97(sdi2), twsi(sda),
42 mpp18 18 gpio, uart3(txd), sdio0(buspwr), ac97(sdi3), lcd0(pwm)
43 mpp19 19 gpio, uart3(rxd), sdio0(ledctrl), twsi(sck)
44 mpp20 20 gpio, sdio0(cd), sdio1(cd), spi1(miso), lcd-spi(miso),
46 mpp21 21 gpio, sdio0(wp), sdio1(wp), spi1(cs), lcd-spi(cs0),
48 mpp22 22 gpio, sdio0(buspwr), sdio1(buspwr), spi1(mosi),
49 lcd-spi(mosi), uart1(cts), ssp(txd)
50 mpp23 23 gpio, sdio0(ledctrl), sdio1(ledctrl), spi1(sck),
51 lcd-spi(sck), ssp(sclk)
52 mpp_camera 24-39 gpio, camera
53 mpp_sdio0 40-45 gpio, sdio0
54 mpp_sdio1 46-51 gpio, sdio1
55 mpp_audio1 52-57 gpio, i2s1/spdifo, i2s1, spdifo, twsi, ssp/spdifo, ssp,
57 mpp_spi0 58-61 gpio, spi0
58 mpp_uart1 62-63 gpio, uart1
59 mpp_nand 64-71 gpo, nand
61 twsi - none, opt1, opt2, opt3
63 Power Management functions (pmu*):
64 pmu-nc Pin not driven by any PM function
65 pmu-low Pin driven low (0)
66 pmu-high Pin driven high (1)
67 pmic(sdi) Pin is used for PMIC SDI
68 cpu-pwr-down Pin is used for CPU_PWRDWN
69 standby-pwr-down Pin is used for STBY_PWRDWN
70 core-pwr-good Pin is used for CORE_PWR_GOOD (Pins 0-7 only)
71 cpu-pwr-good Pin is used for CPU_PWR_GOOD (Pins 8-15 only)
72 bat-fault Pin is used for BATTERY_FAULT
73 ext0-wakeup Pin is used for EXT0_WU
74 ext1-wakeup Pin is used for EXT0_WU
75 ext2-wakeup Pin is used for EXT0_WU
76 pmu-blink Pin is used for blink function
79 * group "mpp_audio1" allows the following functions and gpio pins:
80 - gpio : gpio on pins 52-57
81 - i2s1/spdifo : audio1 i2s on pins 52-55 and spdifo on 57, no gpios
82 - i2s1 : audio1 i2s on pins 52-55, gpio on pins 56,57
83 - spdifo : spdifo on pin 57, gpio on pins 52-55
84 - twsi : twsi on pins 56,57, gpio on pins 52-55
85 - ssp/spdifo : ssp on pins 52-55, spdifo on pin 57, no gpios
86 - ssp : ssp on pins 52-55, gpio on pins 56,57
87 - ssp/twsi : ssp on pins 52-55, twsi on pins 56,57, no gpios
88 * group "audio0" internally muxes i2s0 or ac97 controller to the dedicated
90 * group "twsi" internally muxes twsi controller to the dedicated or option pins.