@ -33,6 +33,7 @@ static inline u32 get_model_rev(void);
static void check_hw_revision ( void )
{
int modelrev = 0 ;
char str [ 12 ] ;
int i ;
/*
@ -41,13 +42,22 @@ static void check_hw_revision(void)
* TRM say that it may cause unexcepted state and leakage current .
* and pull - none is only for output function .
*/
for ( i = EXYNOS4X12_GPIO_M10 ; i < EXYNOS4X12_GPIO_M12 ; i + + )
gpio_cfg_pin ( i , S5P_GPIO_INPUT ) ;
for ( i = 0 ; i < 2 ; i + + ) {
int pin = i + EXYNOS4X12_GPIO_M10 ;
sprintf ( str , " model_rev%d " , i ) ;
gpio_request ( pin , str ) ;
gpio_cfg_pin ( pin , S5P_GPIO_INPUT ) ;
}
/* GPM1[5:2]: HW_REV[3:0] */
for ( i = EXYNOS4X12_GPIO_M12 ; i < EXYNOS4X12_GPIO_M16 ; i + + ) {
gpio_cfg_pin ( i , S5P_GPIO_INPUT ) ;
gpio_set_pull ( i , S5P_GPIO_PULL_NONE ) ;
for ( i = 0 ; i < 4 ; i + + ) {
int pin = i + EXYNOS4X12_GPIO_M12 ;
sprintf ( str , " hw_rev%d " , i ) ;
gpio_request ( pin , str ) ;
gpio_cfg_pin ( pin , S5P_GPIO_INPUT ) ;
gpio_set_pull ( pin , S5P_GPIO_PULL_NONE ) ;
}
/* GPM1[1:0]: MODEL_REV[1:0] */
@ -103,10 +113,14 @@ static void board_init_i2c(void)
}
/* I2C_8 */
gpio_request ( EXYNOS4X12_GPIO_F14 , " i2c8_clk " ) ;
gpio_request ( EXYNOS4X12_GPIO_F15 , " i2c8_data " ) ;
gpio_direction_output ( EXYNOS4X12_GPIO_F14 , 1 ) ;
gpio_direction_output ( EXYNOS4X12_GPIO_F15 , 1 ) ;
/* I2C_9 */
gpio_request ( EXYNOS4X12_GPIO_M21 , " i2c9_clk " ) ;
gpio_request ( EXYNOS4X12_GPIO_M20 , " i2c9_data " ) ;
gpio_direction_output ( EXYNOS4X12_GPIO_M21 , 1 ) ;
gpio_direction_output ( EXYNOS4X12_GPIO_M20 , 1 ) ;
}
@ -388,6 +402,7 @@ void exynos_lcd_power_on(void)
struct pmic * p = pmic_get ( " MAX77686_PMIC " ) ;
/* LCD_2.2V_EN: GPC0[1] */
gpio_request ( EXYNOS4X12_GPIO_C01 , " lcd_2v2_en " ) ;
gpio_set_pull ( EXYNOS4X12_GPIO_C01 , S5P_GPIO_PULL_UP ) ;
gpio_direction_output ( EXYNOS4X12_GPIO_C01 , 1 ) ;
@ -400,6 +415,7 @@ void exynos_lcd_power_on(void)
void exynos_reset_lcd ( void )
{
/* reset lcd */
gpio_request ( EXYNOS4X12_GPIO_F21 , " lcd_reset " ) ;
gpio_direction_output ( EXYNOS4X12_GPIO_F21 , 0 ) ;
udelay ( 10 ) ;
gpio_set_value ( EXYNOS4X12_GPIO_F21 , 1 ) ;