[RFC][PATCH 3/4] ARM: dts: renesas: r8a7740: Add ZT/ZTR trace clock on R-Mobile A1
From: Marek Vasut
Date: Fri Mar 27 2026 - 20:01:53 EST
Add ZT trace bus and ZTR trace clock on the R-Mobile A1.
Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
---
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
---
arch/arm/boot/dts/renesas/r8a7740.dtsi | 6 +++---
include/dt-bindings/clock/r8a7740-clock.h | 2 ++
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/renesas/r8a7740.dtsi b/arch/arm/boot/dts/renesas/r8a7740.dtsi
index d13ab86c3ab47..0a622da79dc1a 100644
--- a/arch/arm/boot/dts/renesas/r8a7740.dtsi
+++ b/arch/arm/boot/dts/renesas/r8a7740.dtsi
@@ -551,9 +551,9 @@ cpg_clocks: cpg_clocks@e6150000 {
clock-output-names = "system", "pllc0", "pllc1",
"pllc2", "r",
"usb24s",
- "i", "zg", "b", "m1", "hp",
- "hpp", "usbp", "s", "zb", "m3",
- "cp";
+ "i", "zg", "b", "m1", "ztr", "zt",
+ "hp", "hpp", "usbp", "s", "zb",
+ "m3", "cp";
};
/* Variable factor clocks (DIV6) */
diff --git a/include/dt-bindings/clock/r8a7740-clock.h b/include/dt-bindings/clock/r8a7740-clock.h
index 1b3fdb39cc426..8a8816b2ff6ac 100644
--- a/include/dt-bindings/clock/r8a7740-clock.h
+++ b/include/dt-bindings/clock/r8a7740-clock.h
@@ -24,6 +24,8 @@
#define R8A7740_CLK_ZB 14
#define R8A7740_CLK_M3 15
#define R8A7740_CLK_CP 16
+#define R8A7740_CLK_ZTR 17
+#define R8A7740_CLK_ZT 18
/* MSTP1 */
#define R8A7740_CLK_CEU21 28
--
2.53.0