[PATCH 1/4] dt-bindings: clock: renesas,cpg-clocks: Document ZT/ZTR trace clock on R-Mobile APE6

[Marek Vasut <marek.vasut+renesas@mailbox.org>]

Document ZT trace bus and ZTR trace clock on the R-Mobile APE6.
These clock supply the coresight tracing modules, PTM, TPIU,
ETB and replicator. Without these clock, the coresight tracing
can not be operated. While this does change the ABI, it does so
by extending the existing clock-output-names, therefore if an
old software is used with new DT, the coresight tracing parts
will likely fail to probe, otherwise if new software is used
with an old DT, there is no impact.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org
---
 Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml | 2 ++
 include/dt-bindings/clock/r8a73a4-clock.h                       | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml b/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
index 925ed35d6658a..703b5bf26717c 100644
--- a/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
+++ b/Documentation/devicetree/bindings/clock/renesas,cpg-clocks.yaml
@@ -90,6 +90,8 @@ allOf:
             - const: zx
             - const: zs
             - const: hp
+            - const: ztr
+            - const: zt
 
   - if:
       properties:
diff --git a/include/dt-bindings/clock/r8a73a4-clock.h b/include/dt-bindings/clock/r8a73a4-clock.h
index 655440a3e7c68..028ecef81451c 100644
--- a/include/dt-bindings/clock/r8a73a4-clock.h
+++ b/include/dt-bindings/clock/r8a73a4-clock.h
@@ -23,6 +23,8 @@
 #define R8A73A4_CLK_ZX		13
 #define R8A73A4_CLK_ZS		14
 #define R8A73A4_CLK_HP		15
+#define R8A73A4_CLK_ZTR		16
+#define R8A73A4_CLK_ZT		17
 
 /* MSTP1 */
 #define R8A73A4_CLK_TMU0	25
-- 
2.53.0