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ARM: at91/at91-pinctrl documentation: fix typo and add some details

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The relation between PIN_BANK numbers and pio letters wasn't made very
clear.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Richard Genoud 2013-01-18 16:38:43 +00:00 committed by Nicolas Ferre
parent 7d1f9aeff1
commit 45976c01b7
1 changed files with 3 additions and 2 deletions
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5
Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
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@ -81,7 +81,8 @@ PA31 TXD4
Required properties for pin configuration node:
- atmel,pins: 4 integers array, represents a group of pins mux and config
setting. The format is atmel,pins = <PIN_BANK PIN_BANK_NUM PERIPH CONFIG>.
The PERIPH 0 means gpio.
The PERIPH 0 means gpio, PERIPH 1 is periph A, PERIPH 2 is periph B...
PIN_BANK 0 is pioA, PIN_BANK 1 is pioB...
Bits used for CONFIG:
PULL_UP (1 << 0): indicate this pin need a pull up.
@ -126,7 +127,7 @@ pinctrl@fffff400 {
pinctrl_dbgu: dbgu-0 {
atmel,pins =
<1 14 0x1 0x0 /* PB14 periph A */
1 15 0x1 0x1>; /* PB15 periph with pullup */
1 15 0x1 0x1>; /* PB15 periph A with pullup */
};
};
};