From: Minkyu Kang Date: Fri, 12 Feb 2010 09:21:17 +0000 (+0900) Subject: s5pc1xx: update the README file X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=abbe18c353c297a40c428ba92f3e1a85e8e694fc;p=u-boot.git s5pc1xx: update the README file Because adds support the GPIO Interface, README file is updated. Signed-off-by: Minkyu Kang --- diff --git a/doc/README.s5pc1xx b/doc/README.s5pc1xx index 5a0fe33db1..ab1f02469c 100644 --- a/doc/README.s5pc1xx +++ b/doc/README.s5pc1xx @@ -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 =====