Re: [PATCH 2/2] can: m_can: Add CAN clock generated by UPLLCK support

2015-11-18 Thread Marc Kleine-Budde
On 11/18/2015 11:04 AM, Wenyou Yang wrote: > As said SAMA5D2 datasheet, it is recommended to use the CAN clock > at frequencies of 20, 40 or 80 MHz. To achieve these frequencies, > PMC GCK3 must select the UPLLCK(480 MHz) as source clock and > divide by 24, 12 or 6. In this patch the CAN clock at

[PATCH 2/2] can: m_can: Add CAN clock generated by UPLLCK support

2015-11-18 Thread Wenyou Yang
As said SAMA5D2 datasheet, it is recommended to use the CAN clock at frequencies of 20, 40 or 80 MHz. To achieve these frequencies, PMC GCK3 must select the UPLLCK(480 MHz) as source clock and divide by 24, 12 or 6. In this patch the CAN clock at 20 MHz. As it is configured through DT, it doesn't

RE: [PATCH 2/2] can: m_can: Add CAN clock generated by UPLLCK support

2015-11-18 Thread Yang, Wenyou
: Re: [PATCH 2/2] can: m_can: Add CAN clock generated by UPLLCK > support > > On 11/18/2015 11:04 AM, Wenyou Yang wrote: > > As said SAMA5D2 datasheet, it is recommended to use the CAN clock at > > frequencies of 20, 40 or 80 MHz. To achieve these frequencies, PMC > > GCK3