qiurui
/
rv1126-uboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sunxi: otg: Fix peripheral mode 

Peripheral mode needs us to signal vusb high to the phy for it to work,
just like the host mode does.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
This commit is contained in:
Hans de Goede 2015-02-11 09:05:18 +01:00
parent 51637afe98
commit b1b912ddf3
1 changed files with 1 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/usb/musb-new/sunxi.c
View File

@ -145,16 +145,6 @@ static void USBC_ForceIdToHigh(__iomem void *base)
musb_writel(base, USBC_REG_o_ISCR, reg_val); musb_writel(base, USBC_REG_o_ISCR, reg_val);
} }
static void USBC_ForceVbusValidDisable(__iomem void *base)
{
u32 reg_val;
reg_val = musb_readl(base, USBC_REG_o_ISCR);
reg_val &= ~(0x03 << USBC_BP_ISCR_FORCE_VBUS_VALID);
reg_val = USBC_WakeUp_ClearChangeDetect(reg_val);
musb_writel(base, USBC_REG_o_ISCR, reg_val);
}
static void USBC_ForceVbusValidToHigh(__iomem void *base) static void USBC_ForceVbusValidToHigh(__iomem void *base)
{ {
u32 reg_val; u32 reg_val;
@ -248,12 +238,11 @@ static int sunxi_musb_init(struct musb *musb)
if (is_host_enabled(musb)) { if (is_host_enabled(musb)) {
/* Host mode */ /* Host mode */
USBC_ForceIdToLow(musb->mregs); USBC_ForceIdToLow(musb->mregs);
USBC_ForceVbusValidToHigh(musb->mregs);
} else { } else {
/* Peripheral mode */ /* Peripheral mode */
USBC_ForceIdToHigh(musb->mregs); USBC_ForceIdToHigh(musb->mregs);
USBC_ForceVbusValidDisable(musb->mregs);
} }
USBC_ForceVbusValidToHigh(musb->mregs);
return 0; return 0;
} }