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 ---
Changes v5: Add Stefano's Acked-by
Changes v4: Take Fabio's suggestion, use setbits_le32. Add Fabio's Reviewed-by
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 | 5 +++++ 1 file changed, 5 insertions(+)
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 /***************************************************/