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omap4: usb: explicitly configure MUSB pads

Message ID 1297851135-25952-1-git-send-email-gadiyar@ti.com (mailing list archive)
State New, archived
Delegated to: Felipe Balbi
Headers show

Commit Message

Anand Gadiyar Feb. 16, 2011, 10:12 a.m. UTC
None
diff mbox

Patch

Index: linux-omap-usb/arch/arm/mach-omap2/usb-musb.c
===================================================================
--- linux-omap-usb.orig/arch/arm/mach-omap2/usb-musb.c
+++ linux-omap-usb/arch/arm/mach-omap2/usb-musb.c
@@ -31,6 +31,7 @@ 
 #include <mach/am35xx.h>
 #include <plat/usb.h>
 #include "control.h"
+#include "mux.h"
 
 #if defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined (CONFIG_USB_MUSB_AM35X)
 
@@ -181,6 +182,43 @@  static struct platform_device musb_devic
 	.resource	= musb_resources,
 };
 
+static void usb_musb_mux_init(struct omap_musb_board_data *board_data)
+{
+	switch (board_data->interface_type) {
+	case MUSB_INTERFACE_UTMI:
+		omap_mux_init_signal("usba0_otg_dp", OMAP_PIN_INPUT);
+		omap_mux_init_signal("usba0_otg_dm", OMAP_PIN_INPUT);
+		break;
+	case MUSB_INTERFACE_ULPI:
+		omap_mux_init_signal("usba0_ulpiphy_clk",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_stp",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dir",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_nxt",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat0",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat1",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat2",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat3",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat4",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat5",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat6",
+						OMAP_PIN_INPUT_PULLDOWN);
+		omap_mux_init_signal("usba0_ulpiphy_dat7",
+						OMAP_PIN_INPUT_PULLDOWN);
+		break;
+	default:
+		break;
+	}
+}
 void __init usb_musb_init(struct omap_musb_board_data *board_data)
 {
 	if (cpu_is_omap243x()) {
@@ -199,6 +237,8 @@  void __init usb_musb_init(struct omap_mu
 		musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE;
 		musb_resources[1].start = OMAP44XX_IRQ_HS_USB_MC_N;
 		musb_resources[2].start = OMAP44XX_IRQ_HS_USB_DMA_N;
+
+		usb_musb_mux_init(board_data);
 	}
 	musb_resources[0].end = musb_resources[0].start + SZ_4K - 1;