>-----Original Message----- >From: Fabio Estevam [mailto:[email protected]] >Sent: Tuesday, May 08, 2012 4:26 AM >To: [email protected] >Cc: [email protected]; Liu Hui-R64343; Estevam Fabio-R49496 >Subject: [PATCH 3/4] mx53loco: Turn on VUSB regulator > >From: Fabio Estevam <[email protected]> > >On the mx53loco board with mc34708 PMIC it is necessary to turn on VUSB >regulator so that the mx53 USBH1 PHY receives the 3.3V voltage. > >Tested by inserting a USB pen drive in the upper USB slot (USBH1) and then >issued the >commands: > >usb start > >usb info > >,which correctly detected and printed the USB pen drive information. > >Signed-off-by: Fabio Estevam <[email protected]>
Acked-by: Jason Liu <[email protected]> >--- > board/freescale/mx53loco/mx53loco.c | 9 +++++++++ > include/fsl_pmic.h | 1 + > 2 files changed, 10 insertions(+), 0 deletions(-) > >diff --git a/board/freescale/mx53loco/mx53loco.c >b/board/freescale/mx53loco/mx53loco.c >index 8c18b99..4d3b73d 100644 >--- a/board/freescale/mx53loco/mx53loco.c >+++ b/board/freescale/mx53loco/mx53loco.c >@@ -359,6 +359,15 @@ static int power_init(void) > pmic_reg_read(p, REG_POWER_CTL2, &val); > val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708; > ret |= pmic_reg_write(p, REG_POWER_CTL2, val); >+ >+ /* Set VUSBSEL and VUSBEN for USB PHY supply*/ >+ pmic_reg_read(p, REG_MODE_0, &val); >+ val |= (VUSBSEL_MC34708 | VUSBEN_MC34708); >+ ret |= pmic_reg_write(p, REG_MODE_0, val); >+ >+ /* Set SWBST to 5V in auto mode */ >+ val = SWBST_AUTO; >+ ret |= pmic_reg_write(p, SWBST_CTRL, val); > } > > return ret; >diff --git a/include/fsl_pmic.h b/include/fsl_pmic.h index 3b7cd37..64c1e2e >100644 >--- a/include/fsl_pmic.h >+++ b/include/fsl_pmic.h >@@ -131,5 +131,6 @@ enum { > #define VUSBSEL_MC34708 (1 << 2) > #define VUSBEN_MC34708 (1 << 3) > #define SWBST_CTRL 31 >+#define SWBST_AUTO 0x8 > > #endif >-- >1.7.1 > _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
