mx35pdk: Add support for OTG
Add support for the OTG port on the mx35pdk Personality board.
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Tested-by: Stefano Babic <sbabic@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Marek Vasut <marex@denx.de>
diff --git a/board/freescale/mx35pdk/lowlevel_init.S b/board/freescale/mx35pdk/lowlevel_init.S
index 75bb958..da8b6f3 100644
--- a/board/freescale/mx35pdk/lowlevel_init.S
+++ b/board/freescale/mx35pdk/lowlevel_init.S
@@ -94,6 +94,10 @@
orr r1, r1, #0x00000C00
orr r1, r1, #0x00000003
str r1, [r0, #CLKCTL_CGR1]
+
+ ldr r1, [r0, #CLKCTL_CGR2]
+ orr r1, r1, #0x00C00000
+ str r1, [r0, #CLKCTL_CGR2]
.endm
.macro setup_sdram
diff --git a/board/freescale/mx35pdk/mx35pdk.c b/board/freescale/mx35pdk/mx35pdk.c
index a12531f..4d8f2f5 100644
--- a/board/freescale/mx35pdk/mx35pdk.c
+++ b/board/freescale/mx35pdk/mx35pdk.c
@@ -98,6 +98,26 @@
mxc_request_iomux(MX35_PIN_CSPI1_SCLK, MUX_CONFIG_SION);
}
+static void setup_iomux_usbotg(void)
+{
+ int in_pad, out_pad;
+
+ /* Set up pins for USBOTG. */
+ mxc_request_iomux(MX35_PIN_USBOTG_PWR,
+ MUX_CONFIG_SION | MUX_CONFIG_FUNC);
+ mxc_request_iomux(MX35_PIN_USBOTG_OC,
+ MUX_CONFIG_SION | MUX_CONFIG_FUNC);
+
+ in_pad = PAD_CTL_DRV_3_3V | PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE |
+ PAD_CTL_PUE_PUD | PAD_CTL_100K_PD | PAD_CTL_ODE_CMOS |
+ PAD_CTL_DRV_NORMAL | PAD_CTL_SRE_SLOW;
+ out_pad = PAD_CTL_DRV_3_3V | PAD_CTL_HYS_CMOS | PAD_CTL_PKE_NONE |
+ PAD_CTL_ODE_CMOS | PAD_CTL_DRV_NORMAL | PAD_CTL_SRE_SLOW;
+
+ mxc_iomux_set_pad(MX35_PIN_USBOTG_PWR, out_pad);
+ mxc_iomux_set_pad(MX35_PIN_USBOTG_OC, in_pad);
+}
+
static void setup_iomux_fec(void)
{
int pad;
@@ -189,6 +209,7 @@
__raw_writel(readl(&ccm->rcsr) | MXC_CCM_RCSR_NFC_FMS, &ccm->rcsr);
setup_iomux_i2c();
+ setup_iomux_usbotg();
setup_iomux_fec();
setup_iomux_spi();