[PATCH 09/10] MXS: Enable USB on M28EVK

Marek Vasut marex at denx.de
Tue Apr 17 22:07:48 EDT 2012


Enable the second USB port on M28EVK board.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Chen Peter-B29397 <B29397 at freescale.com>
Cc: Detlev Zundel <dzu at denx.de>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Li Frank-B20596 <B20596 at freescale.com>
Cc: Lin Tony-B19295 <B19295 at freescale.com>
Cc: Linux USB <linux-usb at vger.kernel.org>
Cc: Sascha Hauer <s.hauer at pengutronix.de>
Cc: Shawn Guo <shawn.guo at freescale.com>
Cc: Shawn Guo <shawn.guo at linaro.org>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Subodh Nijsure <snijsure at grid-net.com>
Cc: Tony Lin <tony.lin at freescale.com>
Cc: Wolfgang Denk <wd at denx.de>
---
 arch/arm/mach-mxs/Kconfig       |    2 ++
 arch/arm/mach-mxs/mach-m28evk.c |    9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 9dbf29f..5b5566c 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -83,6 +83,8 @@ config MODULE_M28
 	select MXS_HAVE_PLATFORM_MXS_LRADC
 	select MXS_HAVE_PLATFORM_MXS_MMC
 	select MXS_HAVE_PLATFORM_MXSFB
+	select MXS_HAVE_PLATFORM_USB
+	select USB_ARCH_HAS_EHCI
 	select MXS_OCOTP
 
 config MODULE_APX4
diff --git a/arch/arm/mach-mxs/mach-m28evk.c b/arch/arm/mach-mxs/mach-m28evk.c
index f32fadb..ecdb0ff 100644
--- a/arch/arm/mach-mxs/mach-m28evk.c
+++ b/arch/arm/mach-mxs/mach-m28evk.c
@@ -212,6 +212,11 @@ static const iomux_cfg_t m28evk_pads[] __initconst = {
 
 	/* Backlight */
 	MX28_PAD_PWM3__GPIO_3_28 | MXS_PAD_CTRL,
+
+	/* USB */
+	MX28_PAD_SSP2_SS1__USB1_OVERCURRENT,
+	MX28_PAD_AUART3_TX__GPIO_3_13 |
+		MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP,
 };
 
 /* led */
@@ -377,6 +382,10 @@ static void __init m28evk_init(void)
 	mx28_add_ts(&touch_pdata);
 
 	mx28_add_gpmi_nand(&m28evk_gpmi_nand_data);
+
+	gpio_request_one(MXS_GPIO_NR(3, 13), GPIOF_OUT_INIT_LOW, "USB Power");
+
+	mx28_add_mxs_usbh(1);
 }
 
 static void __init m28evk_timer_init(void)
-- 
1.7.9.5




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