-----Original Message----- From: Ajay Bhargav [mailto:ajay.bhargav@einfochips.com] Sent: 25 January 2012 17:50 To: linux@bohmer.net Cc: Prafulla Wadaskar; marek.vasut@gmail.com; u-boot@lists.denx.de; Ajay Bhargav Subject: [PATCH 1/3] USB: Armada100: Add UTMI PHY interface driver
This patch adds USB host controller's UTMI PHY interface driver for Armada100 SOCs.
Signed-off-by: Ajay Bhargav ajay.bhargav@einfochips.com
arch/arm/include/asm/arch-armada100/armada100.h | 7 ++ drivers/usb/host/utmi-armada100.c | 87 +++++++++++++++++++++++ drivers/usb/host/utmi-armada100.h | 79 ++++++++++++++++++++ 3 files changed, 173 insertions(+), 0 deletions(-) create mode 100644 drivers/usb/host/utmi-armada100.c create mode 100644 drivers/usb/host/utmi-armada100.h
diff --git a/arch/arm/include/asm/arch-armada100/armada100.h b/arch/arm/include/asm/arch-armada100/armada100.h index 0ed3a8e..d6984dc 100644 --- a/arch/arm/include/asm/arch-armada100/armada100.h +++ b/arch/arm/include/asm/arch-armada100/armada100.h @@ -43,6 +43,13 @@ #define SSP2_APBCLK 0x01 #define SSP2_FNCLK 0x02
+/* USB Clock/reset control bits */ +#define USB_SPH_AXICLK_EN 0x10 +#define USB_SPH_AXI_RST 0x02
+/* MPMU Clocks */ +#define MPMU_EN_ALL_CLKS 0x1EFFFF
Turning on all clocks is not logical to enable this support, only relevant clock necessary for this components SHOULD BE enabled.
Enabling clocks for unused peripherals/components may result in unnecessarily extra power consumption
Otherwise ack for rest of the patch
Regards.. Prafulla . . .