The Rockchip DMC (Dynamic Memory Interface) needs to access to the PMU general register files to know the DRAM type, so add a phandle to the syscon that manages these registers. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Gaël PORTAY <gael.portay@xxxxxxxxxxxxx> Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx> --- Following the discussion in [1] and after having [2] accepted, this patch is a RESEND of a patch [3] that has already all the acks but for some reason and my bad, I lost the tracking, didn't land. The patch adds documentation for an already property implemented in the driver, so resend the patch again. There is a slighty modification, the rockchip,pmu property has been moved to be optional as is not really required. Thanks, Enric [1] https://lkml.org/lkml/2020/6/22/692 [2] https://lkml.org/lkml/2020/6/30/367 [3] https://patchwork.kernel.org/patch/10901593/ Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt b/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt index 0ec68141f85a..a10d1f6d85c6 100644 --- a/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt +++ b/Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt @@ -18,6 +18,8 @@ Optional properties: format depends on the interrupt controller. It should be a DCF interrupt. When DDR DVFS finishes a DCF interrupt is triggered. +- rockchip,pmu: Phandle to the syscon managing the "PMU general register + files". Following properties relate to DDR timing: -- 2.27.0
