[U-Boot] [PATCH V5 4/6] imx: mx6qp Enable PRG clock for IPU
Stefano Babic
sbabic at denx.de
Sun Aug 2 10:46:52 CEST 2015
On 11/07/2015 05:38, Peng Fan wrote:
> The i.MX6DQP has a PRG module, need to enable its clock for using IPU.
>
> Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
> Signed-off-by: Brown Oliver <B37094 at freescale.com>
> Signed-off-by: Ye.Li <B37916 at freescale.com>
> Reviewed-by: Fabio Estevam <fabio.estevam at freescale.com>
> Acked-by: Stefano Babic <sbabic at 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
> /***************************************************/
>
Applied to u-boot-imx, thanks !
Best regards,
Stefano Babic
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