[PATCH 0/4] Describe coresight on R-Mobile APE6

From: Marek Vasut

Date: Sat May 02 2026 - 14:56:24 EST


Implement support for ZT trace bus and ZTR trace clock on R-Mobile APE6.
Describe coresight topology on R-Mobile APE6. Extend the current PTM node
with connection funnel, TPIU, ETB and replicator. The coresight on this
hardware is clocked from the ZT/ZTR trace clock.

Please note that this is written according to R-Mobile APE6 User's Manual
Rev. 0.7, Revision Date: 22-Jan-2013. I currently do not have access to
this hardware.

Marek Vasut (4):
dt-bindings: clock: renesas,cpg-clocks: Document ZT/ZTR trace clock on
R-Mobile APE6
clk: renesas: r8a73a4: Implement ZT/ZTR trace clock on R-Mobile APE6
ARM: dts: renesas: r8a73a4: Add ZT/ZTR trace clock on R-Mobile APE6
ARM: dts: renesas: r8a73a4: Describe coresight on R-Mobile APE6

.../bindings/clock/renesas,cpg-clocks.yaml | 2 +
arch/arm/boot/dts/renesas/r8a73a4.dtsi | 114 +++++++++++++++++-
drivers/clk/renesas/clk-r8a73a4.c | 2 +
include/dt-bindings/clock/r8a73a4-clock.h | 2 +
4 files changed, 117 insertions(+), 3 deletions(-)

---
Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Stephen Boyd <sboyd@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-clk@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx

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