[U-Boot] [PATCH 6/8] imx: mx6qp: Enable PRG clock for IPU

Peng Fan
2015-06-10T10:04:21Z

On Wed, Jun 10, 2015 at 11:24:04AM +0200, Stefano Babic wrote:
>On 10/06/2015 10:06, Peng Fan wrote:
>> From: "Ye.Li" <B37916@freescale.com>
>>
>> The i.MX6QP 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>
>> ---
>> arch/arm/cpu/armv7/mx6/clock.c | 6 ++++++
>> 1 file changed, 6 insertions(+)
>>
>> diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
>> index 36cd5a8..ae1b4cc 100644
>> --- a/arch/arm/cpu/armv7/mx6/clock.c
>> +++ b/arch/arm/cpu/armv7/mx6/clock.c
>> @@ -861,6 +861,12 @@ void enable_ipu_clock(void)
>> reg = readl(&mxc_ccm->CCGR3);
>> reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK;
>> writel(reg, &mxc_ccm->CCGR3);
>> +
>> +#ifdef CONFIG_MX6QP
>> + reg = readl(&mxc_ccm->CCGR6);
>> + reg |= MXC_CCM_CCGR6_PRG_CLK0_MASK;
>> + writel(reg, &mxc_ccm->CCGR6);
>
>This is easy to replace with runtime detection.

Will fix in v2.

>
>> +#endif
>> }
>> #endif
>> /***************************************************/
>>
>
>Best regards,
>Stefano Babic
>
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Regards,
Peng
--