[PATCH v2 3/4] ARM: dts: renesas: r8a7740: Add ZT/ZTR trace clock on R-Mobile A1

Marek Vasut
2026-04-15T23:33:25Z

Add ZT trace bus and ZTR trace clock on the R-Mobile A1.

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
---
V2: Add ztr/zt clock at the end of the list to match bindings
---
arch/arm/boot/dts/renesas/r8a7740.dtsi | 2 +-
include/dt-bindings/clock/r8a7740-clock.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/renesas/r8a7740.dtsi b/arch/arm/boot/dts/renesas/r8a7740.dtsi
index d13ab86c3ab47..f7136db7a2eae 100644
--- a/arch/arm/boot/dts/renesas/r8a7740.dtsi
+++ b/arch/arm/boot/dts/renesas/r8a7740.dtsi
@@ -553,7 +553,7 @@ cpg_clocks: cpg_clocks@e6150000 {
"usb24s",
"i", "zg", "b", "m1", "hp",
"hpp", "usbp", "s", "zb", "m3",
- "cp";
+ "cp", "ztr", "zt";
};

/* 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