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s5pc1xx: update the README file

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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 2c1ad699e5
commit 28937af232
1 changed files with 17 additions and 1 deletions
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18
doc/README.s5pc1xx
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@ -41,7 +41,23 @@ To check SoC:
printf("cpu is s5pc110\n"); printf("cpu is s5pc110\n");
gpio 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);
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