diff options
Diffstat (limited to 'recipes-bsp/u-boot/u-boot-v2012.04.01/0037-mx53loco-Turn-on-VUSB-regulator.patch')
| -rw-r--r-- | recipes-bsp/u-boot/u-boot-v2012.04.01/0037-mx53loco-Turn-on-VUSB-regulator.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/recipes-bsp/u-boot/u-boot-v2012.04.01/0037-mx53loco-Turn-on-VUSB-regulator.patch b/recipes-bsp/u-boot/u-boot-v2012.04.01/0037-mx53loco-Turn-on-VUSB-regulator.patch new file mode 100644 index 0000000..783c460 --- /dev/null +++ b/recipes-bsp/u-boot/u-boot-v2012.04.01/0037-mx53loco-Turn-on-VUSB-regulator.patch @@ -0,0 +1,59 @@ +From b2297ec8b5d8efeee9adfed046afd8594f020b51 Mon Sep 17 00:00:00 2001 +From: Fabio Estevam <fabio.estevam@freescale.com> +Date: Mon, 7 May 2012 10:26:00 +0000 +Subject: [PATCH 37/56] mx53loco: Turn on VUSB regulator + +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> +Acked-by: Stefano Babic <sbabic@denx.de> +--- + board/freescale/mx53loco/mx53loco.c | 9 +++++++++ + include/fsl_pmic.h | 1 + + 2 files changed, 10 insertions(+) + +diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c +index 8f5ded9..a49b00a 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 +-- +1.7.10 + |