The i.MX6DQP has a PRG module, need to enable its clock for using IPU.
Signed-off-by: Peng Fan <[email protected]>
Signed-off-by: Brown Oliver <[email protected]>
Signed-off-by: Ye.Li <[email protected]>
---
Changes v3:
Remove ipu qos settings
Changes v2:
1. runtime check
2. introduce ipu qos settings for better performance
arch/arm/cpu/armv7/mx6/clock.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index 446fe84..eb2712d 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -866,6 +866,16 @@ 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()) {
+ reg = readl(&mxc_ccm->CCGR6);
+ reg |= MXC_CCM_CCGR6_PRG_CLK0_MASK;
+ writel(reg, &mxc_ccm->CCGR6);
+
+ reg = readl(&mxc_ccm->CCGR3);
+ reg |= MXC_CCM_CCGR3_IPU2_IPU_MASK;
+ writel(reg, &mxc_ccm->CCGR3);
+ }
}
#endif
/***************************************************/
--
1.8.4
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