On 9/21/2018 10:35 AM, Simon Horman wrote:
Describe TPU in the R8A779{7|8}0 device trees.
Based on the original (and large) patches by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
This patch is against the 'renesas-devel-20180919-v4.19-rc4' branch of
Simon Horman's 'renesas.git' repo.
arch/arm64/boot/dts/renesas/r8a77970.dtsi | 8 ++++++++
arch/arm64/boot/dts/renesas/r8a77980.dtsi | 9 +++++++++
2 files changed, 17 insertions(+)
Index: renesas/arch/arm64/boot/dts/renesas/r8a77970.dtsi
===================================================================
--- renesas.orig/arch/arm64/boot/dts/renesas/r8a77970.dtsi
+++ renesas/arch/arm64/boot/dts/renesas/r8a77970.dtsi
@@ -614,6 +614,14 @@
status = "disabled";
};
+ tpu: pwm@e6e80000 {
+ compatible = "renesas,tpu-r8a77970", "renesas,tpu";
Oops, forgot to document the SoC specific binding...
I'm still not seeing the binding in my inbox.
> Could you post it or point me to a link to it?
Because I still haven't posted it. It turned out the bindings doc needs
some fixing 1st... :-/
+ reg = <0 0xe6e80000 0 0x100>;
This register range seems a little small.
From my reading of the documentation 0x148 would be a more obvious choice.
Yeah, I've noticed that too -- will be fixed in v2.
Is the driver only accessing registers in in the 0x100 range for some
reason?
Yes, the registers beyond 0x100 are for the step motor control...
[...]
MBR, Sergei
