From f0b68f0008f94606f6b927590d1fafb34b1abc55 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eric=20B=C3=A9nard?= Date: Tue, 10 Sep 2013 19:57:54 +0200 Subject: [PATCH] usb-imx28: fix enable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit we need to power on the PLL when enabling the USB clock. Signed-off-by: Eric Bénard Signed-off-by: Sascha Hauer --- arch/arm/mach-mxs/usb-imx28.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-mxs/usb-imx28.c b/arch/arm/mach-mxs/usb-imx28.c index 61d59c361..e5b63c30a 100644 --- a/arch/arm/mach-mxs/usb-imx28.c +++ b/arch/arm/mach-mxs/usb-imx28.c @@ -46,6 +46,7 @@ #define CLK_PLL0CTRL0 (IMX_CCM_BASE + 0x0) #define CLK_PLL1CTRL0 (IMX_CCM_BASE + 0x20) #define PLLCTRL0_EN_USB_CLKS (1 << 18) +#define PLLCTRL0_POWER (1 << 17) #define DIGCTRL_CTRL (IMX_DIGCTL_BASE + 0x0) #define DIGCTL_CTRL_USB0_CLKGATE (1 << 2) @@ -77,7 +78,7 @@ int imx28_usb_phy0_enable(void) imx28_usb_phy_reset((void *)IMX_USBPHY0_BASE); /* Turn on the USB clocks */ - writel(PLLCTRL0_EN_USB_CLKS, CLK_PLL0CTRL0 + SET); + writel(PLLCTRL0_EN_USB_CLKS | PLLCTRL0_POWER, CLK_PLL0CTRL0 + SET); writel(DIGCTL_CTRL_USB0_CLKGATE, DIGCTRL_CTRL + CLR); @@ -91,7 +92,7 @@ int imx28_usb_phy1_enable(void) imx28_usb_phy_reset((void *)IMX_USBPHY1_BASE); /* Turn on the USB clocks */ - writel(PLLCTRL0_EN_USB_CLKS, CLK_PLL1CTRL0 + SET); + writel(PLLCTRL0_EN_USB_CLKS | PLLCTRL0_POWER, CLK_PLL1CTRL0 + SET); writel(DIGCTL_CTRL_USB1_CLKGATE, DIGCTRL_CTRL + CLR);