diff options
Diffstat (limited to 'drivers/usb/musb/davinci.c')
| -rw-r--r-- | drivers/usb/musb/davinci.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 75baf18..dfb3bcb 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -30,6 +30,7 @@ #include <linux/delay.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/gpio.h> #include <asm/arch/hardware.h> #include <asm/arch/memory.h> @@ -39,7 +40,7 @@ #include "musb_core.h" #ifdef CONFIG_MACH_DAVINCI_EVM -#include <asm/arch/i2c-client.h> +#define GPIO_nVBUS_DRV 87 #endif #include "davinci.h" @@ -138,7 +139,6 @@ static int vbus_state = -1; /* VBUS SWITCHING IS BOARD-SPECIFIC */ #ifdef CONFIG_MACH_DAVINCI_EVM -#ifndef CONFIG_MACH_DAVINCI_EVM_OTG /* I2C operations are always synchronous, and require a task context. * With unloaded systems, using the shared workqueue seems to suffice @@ -146,12 +146,11 @@ static int vbus_state = -1; */ static void evm_deferred_drvvbus(struct work_struct *ignored) { - davinci_i2c_expander_op(0x3a, USB_DRVVBUS, vbus_state); + gpio_set_value_cansleep(GPIO_nVBUS_DRV, vbus_state); vbus_state = !vbus_state; } static DECLARE_WORK(evm_vbus_work, evm_deferred_drvvbus); -#endif /* modified board */ #endif /* EVM */ static void davinci_source_power(struct musb *musb, int is_on, int immediate) @@ -165,21 +164,10 @@ static void davinci_source_power(struct musb *musb, int is_on, int immediate) #ifdef CONFIG_MACH_DAVINCI_EVM if (machine_is_davinci_evm()) { -#ifdef CONFIG_MACH_DAVINCI_EVM_OTG - /* modified EVM board switching VBUS with GPIO(6) not I2C - * NOTE: PINMUX0.RGB888 (bit23) must be clear - */ - if (is_on) - gpio_set(GPIO(6)); - else - gpio_clear(GPIO(6)); - immediate = 1; -#else if (immediate) - davinci_i2c_expander_op(0x3a, USB_DRVVBUS, !is_on); + gpio_set_value_cansleep(GPIO_nVBUS_DRV, vbus_state); else schedule_work(&evm_vbus_work); -#endif } #endif if (immediate) |