1 ===========================
2 Samsung GPIO implementation
3 ===========================
4
5 Introduction
6 ------------
7
8 This outlines the Samsung GPIO implementation
9 specific calls provided alongside the drivers/
10
11
12 GPIOLIB integration
13 -------------------
14
15 The gpio implementation uses gpiolib as much a
16 specific calls for the items that require Sams
17 as pin special-function or pull resistor contr
18
19 GPIO numbering is synchronised between the Sam
20
21
22 PIN configuration
23 -----------------
24
25 Pin configuration is specific to the Samsung a
26 registering the necessary information for the
27 implementation to configure pins as necessary.
28
29 The s3c_gpio_cfgpin() and s3c_gpio_setpull() p
30 driver or machine to change gpio configuration
31
32 See arch/arm/mach-s3c/gpio-cfg.h for more info
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