imx: mx6qp Enable PRG clock for IPU

The i.MX6DQP has a PRG module, need to enable its clock for using IPU.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Brown Oliver <B37094@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>

diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index cd4bfdd9aabb2478f91fdc508c5e20ce595132e5..3e9447272df729f252b88eaea77b5e7434d5bd04 100644 (file)
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -853,6 +853,11 @@ void enable_ipu_clock(void)
        reg = readl(&mxc_ccm->CCGR3);
        reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK;
        writel(reg, &mxc_ccm->CCGR3);
+
+       if (is_mx6dqp()) {
+               setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_PRG_CLK0_MASK);
+               setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU2_IPU_MASK);
+       }
 }
 #endif
 /***************************************************/