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Diffstat (limited to 'arch/arm/mach-omap2/board-am3517evm.c')
-rw-r--r--arch/arm/mach-omap2/board-am3517evm.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 4d0f5859286..d547036aff3 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -375,6 +375,31 @@ static void __init am3517_evm_init_irq(void)
omap_gpio_init();
}
+static struct omap_musb_board_data musb_board_data = {
+ .interface_type = MUSB_INTERFACE_ULPI,
+ .mode = MUSB_OTG,
+ .power = 500,
+};
+
+static __init void am3517_evm_musb_init(void)
+{
+ u32 devconf2;
+
+ /*
+ * Set up USB clock/mode in the DEVCONF2 register.
+ */
+ devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
+
+ /* USB2.0 PHY reference clock is 13 MHz */
+ devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
+ devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
+ | CONF2_DATPOL;
+
+ omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
+
+ usb_musb_init(&musb_board_data);
+}
+
static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
@@ -393,6 +418,8 @@ static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
+ /* USB OTG DRVVBUS offset = 0x212 */
+ OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#else
@@ -459,11 +486,12 @@ static void __init am3517_evm_init(void)
ARRAY_SIZE(am3517evm_i2c1_boardinfo));
/*Ethernet*/
am3517_evm_ethernet_init(&am3517_evm_emac_pdata);
+
+ /* MUSB */
+ am3517_evm_musb_init();
}
MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
- .phys_io = 0x48000000,
- .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
.map_io = omap3_map_io,
.reserve = omap_reserve,