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Documentation / devicetree / bindings / pinctrl / marvell,dove-pinctrl.txt




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Based on kernel version 3.15.4. Page generated on 2014-07-07 09:01 EST.

1	* Marvell Dove SoC pinctrl driver for mpp
2	
3	Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
4	part and usage.
5	
6	Required properties:
7	- compatible: "marvell,dove-pinctrl"
8	- clocks: (optional) phandle of pdma clock
9	- reg: register specifiers of MPP, MPP4, and PMU MPP registers
10	
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
15	
16	name          pins     functions
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),
21	                       uart1(rts), pmu*
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),
34	                       sata(act), pmu*
35	mpp13         13       gpio, pmu, uart2(cts), audio1(extclk), sdio1(wp),
36	                       ssp(extclk), pmu*
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),
41	                       ac97-1(sysclko)
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),
45	                       ac97(sysclko)
46	mpp21         21       gpio, sdio0(wp), sdio1(wp), spi1(cs), lcd-spi(cs0),
47	                       uart1(cts), ssp(sfrm)
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,
56	                       ssp/twsi
57	mpp_spi0      58-61    gpio, spi0
58	mpp_uart1     62-63    gpio, uart1
59	mpp_nand      64-71    gpo, nand
60	audio0        -        i2s, ac97
61	twsi          -        none, opt1, opt2, opt3
62	
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
77	
78	Notes:
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
89	  audio0 pins.
90	* group "twsi" internally muxes twsi controller to the dedicated or option pins.
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