RE: [PATCH v3 3/5] devfreq: rk3399_dmc: Pass ODT and auto power down parameters to TF-A.

[MyungJoo Ham]

>From: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
>
>Trusted Firmware-A (TF-A) for rk3399 implements a SiP call to get the
>on-die termination (ODT) and auto power down parameters from kernel,
>this patch adds the functionality to do this. Also, if DDR clock
>frequency is lower than the on-die termination (ODT) disable frequency
>this driver should disable the DDR ODT.
>
>Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
>Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>Signed-off-by: Gael PORTAY <gael.portay@xxxxxxxxxxxxx>

Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>


Cheers!
MyungJoo

>---
>
>Changes in v3:
>- [PATCH v2 3/5] Add Signed-off-by: Gael PORTAY <gael.portay@xxxxxxxxxxxxx>.
>		 Remove comments.
>		 Move pmu dt parsing after dt-parsing of timings to fix
>		  data->odt_dis_freq value.
>
>Changes in v2: None
>
>Changes in v1:
>- [RFC 3/10] Add an explanation for platform SIP calls.
>- [RFC 3/10] Change if statement for a switch.
>- [RFC 3/10] Rename ddr_flag to odt_enable to be more clear.
>
> drivers/devfreq/rk3399_dmc.c        | 71 ++++++++++++++++++++++++++++-
> include/soc/rockchip/rockchip_sip.h |  1 +
> 2 files changed, 71 insertions(+), 1 deletion(-)