From: Cliff Cai <cliff.cai@xxxxxxxxxx>
Rather than hardcoding the gpio levels for vrsel, allow the platform
resources to handle this so boards can be active high or low.
Signed-off-by: Cliff Cai <cliff.cai@xxxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
v2
- tweak style for long line wrapping
drivers/usb/musb/blackfin.c | 8 ++++----
include/linux/usb/musb.h | 1 +
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index bcee133..893676e 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -245,10 +245,10 @@ static void bfin_vbus_power(struct musb *musb, int is_on, int sleeping)
static void bfin_set_vbus(struct musb *musb, int is_on)
{
- if (is_on)
- gpio_set_value(musb->config->gpio_vrsel, 1);
- else
- gpio_set_value(musb->config->gpio_vrsel, 0);
+ int value = musb->config->gpio_vrsel_active;
+ if (!is_on)
+ value = !value;
+ gpio_set_value(musb->config->gpio_vrsel, value);
DBG(1, "VBUS %s, devctl %02x "
/* otg %3x conf %08x prcm %08x */ "\n",
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index d437556..cd2be44 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -53,6 +53,7 @@ struct musb_hdrc_config {
#ifdef CONFIG_BLACKFIN
/* A GPIO controlling VRSEL in Blackfin */
unsigned int gpio_vrsel;
+ unsigned int gpio_vrsel_active;
#endif
};
--
1.7.0
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