| Message ID | 1336422361-14245-3-git-send-email-festevam@gmail.com |
|---|---|
| State | Accepted |
| Commit | 768a05971030c0c57e05063f20449b8d4138293e |
| Headers | show |
>-----Original Message----- >From: Fabio Estevam [mailto:festevam@gmail.com] >Sent: Tuesday, May 08, 2012 4:26 AM >To: u-boot@lists.denx.de >Cc: sbabic@denx.de; Liu Hui-R64343; Estevam Fabio-R49496 >Subject: [PATCH 3/4] mx53loco: Turn on VUSB regulator > >From: Fabio Estevam <fabio.estevam@freescale.com> > >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 <fabio.estevam@freescale.com> Acked-by: Jason Liu <r64343@freescale.com> >--- > 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 >
On 07/05/2012 22:26, Fabio Estevam wrote: > From: Fabio Estevam <fabio.estevam@freescale.com> > > 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 <fabio.estevam@freescale.com> > --- Acked-by: Stefano Babic <sbabic@denx.de> Best regards, Stefano Babic
On 07/05/2012 22:26, Fabio Estevam wrote: > From: Fabio Estevam <fabio.estevam@freescale.com> > > 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 <fabio.estevam@freescale.com> > --- Applied to u-boot-imx, thanks Best regards, Stefano Babic
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