diff options
Diffstat (limited to 'u-boot/board/goldelico/gta04/backlight.c')
| -rw-r--r-- | u-boot/board/goldelico/gta04/backlight.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/u-boot/board/goldelico/gta04/backlight.c b/u-boot/board/goldelico/gta04/backlight.c index 1e167f0..271a254 100644 --- a/u-boot/board/goldelico/gta04/backlight.c +++ b/u-boot/board/goldelico/gta04/backlight.c @@ -36,17 +36,17 @@ #if defined(CONFIG_GOLDELICO_EXPANDER_B2) -#define GPIO_BACKLIGHT 146 /* = GPT11_PWM (instead of UART2-TX) */ +#define GPIO_BACKLIGHT 57 #define GPT_BACKLIGHT OMAP34XX_GPT11 #elif defined(CONFIG_GOLDELICO_EXPANDER_B3) -#define GPIO_BACKLIGHT 146 /* = GPT11_PWM (instead of UART2-TX) */ +#define GPIO_BACKLIGHT 57 #define GPT_BACKLIGHT OMAP34XX_GPT11 #elif defined(CONFIG_GOLDELICO_EXPANDER_B4) -#define GPIO_BACKLIGHT 146 /* = GPT11_PWM (instead of UART2-TX) */ +#define GPIO_BACKLIGHT 57 #define GPT_BACKLIGHT OMAP34XX_GPT11 #else @@ -96,18 +96,18 @@ int backlight_init(void) #if USE_PWM struct gptimer *gpt_base = (struct gptimer *)GPT_BACKLIGHT; #if defined(CONFIG_OMAP3_GTA04) - MUX_VAL(CP(GPMC_NCS6), (IEN | PTD | DIS | M3)) /* GPT_11 - Backlight enable*/\ + MUX_VAL(CP(GPMC_NCS6), (IEN | PTD | DIS | M3)) /* Switch GPIO57 to GPT_11 - Backlight enable*/ #elif defined(CONFIG_OMAP3_BEAGLE) #if defined(CONFIG_GOLDELICO_EXPANDER_B1) - MUX_VAL(CP(UART2_RTS), (IEN | PTD | DIS | M2)) /* switch to GPT10 */ + MUX_VAL(CP(UART2_RTS), (IEN | PTD | DIS | M2)) /* switch GPIO145 to GPT10 */ #elif defined(CONFIG_GOLDELICO_EXPANDER_B2) - MUX_VAL(CP(UART2_TX), (IEN | PTD | DIS | M2)) /* switch to GPT11 */ + MUX_VAL(CP(UART2_TX), (IEN | PTD | DIS | M2)) /* switch GPIO146 to GPT11 */ #elif defined(CONFIG_GOLDELICO_EXPANDER_B4) // tbd. #else -#error undefined CONFIG -#endif -#endif +#error undefined CONFIG_OMAP3_ +#endif // defined(CONFIG_GOLDELICO_EXPANDER_B1) +#endif // defined(CONFIG_OMAP3_BEAGLE) // writel(value, &gpt_base->registername); // program registers for generating a 100-1000 Hz PWM signal // or PWM synchronized to VSYNC (to avoid flicker) @@ -115,21 +115,21 @@ int backlight_init(void) #error todo -#else - +#else // USE_PWM + #if defined(CONFIG_OMAP3_GTA04) MUX_VAL(CP(GPMC_NCS6), (IEN | PTD | DIS | M4)) /*GPIO_57 - Backlight enable*/ -#elif defined(CONFIG_OMAP3_BEAGLE) +#elif defined(CONFIG_OMAP3_BEAGLE) #if defined(CONFIG_GOLDELICO_EXPANDER_B1) MUX_VAL(CP(UART2_RTS), (IEN | PTD | DIS | M4)) /*GPIO_145*/ #elif defined(CONFIG_GOLDELICO_EXPANDER_B2) MUX_VAL(CP(UART2_TX), (IEN | PTD | DIS | M4)) /*GPIO_146*/ #elif defined(CONFIG_GOLDELICO_EXPANDER_B4) - // tbd. +// tbd. MUX_VAL(CP(UART2_TX), (IEN | PTD | DIS | M4)) /*GPIO_146*/ #else -#error undefined CONFIG -#endif +#error undefined CONFIG_OMAP3_ #endif +#endif // USE_PWM if(omap_request_gpio(GPIO_BACKLIGHT) == 0) // 0 == ok { omap_set_gpio_direction(GPIO_BACKLIGHT, 0); // output @@ -141,7 +141,6 @@ int backlight_init(void) } #endif - return 0; } |