[PATCH v2 2/4] clk: renesas: r8a7740: Implement ZT/ZTR trace clock on R-Mobile A1

Marek Vasut
2026-04-15T23:33:23Z

Implement 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: No change
---
drivers/clk/renesas/clk-r8a7740.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/clk/renesas/clk-r8a7740.c b/drivers/clk/renesas/clk-r8a7740.c
index 635d59ead499e..31a79674583e8 100644
--- a/drivers/clk/renesas/clk-r8a7740.c
+++ b/drivers/clk/renesas/clk-r8a7740.c
@@ -37,6 +37,8 @@ static struct div4_clk div4_clks[] = {
{ "zg", CPG_FRQCRA, 16 },
{ "b", CPG_FRQCRA, 8 },
{ "m1", CPG_FRQCRA, 4 },
+ { "ztr", CPG_FRQCRB, 20 },
+ { "zt", CPG_FRQCRB, 16 },
{ "hp", CPG_FRQCRB, 4 },
{ "hpp", CPG_FRQCRC, 20 },
{ "usbp", CPG_FRQCRC, 16 },
--
2.53.0