From: Peng Fan <Peng.Fan@freescale.com>
Date: Sat, 11 Jul 2015 03:38:45 +0000 (+0800)
Subject: imx: mx6qp Enable PRG clock for IPU
X-Git-Tag: v2015.10-rc1~2^2~29
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8d7794615c7672b03b5140dfe2bac65daf7ce5eb;p=platform%2Fkernel%2Fu-boot.git

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 cd4bfdd..3e94472 100644
--- 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
 /***************************************************/