leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

s5pc1xx: update the README file

Browse Source 
Because adds support the GPIO Interface, README file is updated.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Minkyu Kang 2010-02-12 18:21:17 +09:00 committed by trix
parent ab693e9c4c
commit abbe18c353
1 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
doc/README.s5pc1xx
View File

@ -41,7 +41,23 @@ To check SoC:
printf("cpu is s5pc110\n");
gpio
not supported yet.
struct s5pc100_gpio *gpio = (struct s5pc100_gpio*)S5PC100_GPIO_BASE;
/* GPA[0] pin set to irq */
gpio_cfg_pin(&gpio->gpio_a, 0, GPIO_IRQ);
/* GPA[0] pin set to input */
gpio_direction_input(&gpio->gpio_a, 0);
/* GPA[0] pin set to output/high */
gpio_direction_output(&gpio->gpio_a, 0, 1);
/* GPA[0] value set to low */
gpio_set_value(&gpio->gpio_a, 0, 0);
/* get GPA[0] value */
value = gpio_get_value(&gpio->gpio_a, 0);
Links
=====