[PATCH 3/3] arm64: dts: renesas: r9a09g047e57-smarc: Set I2C1 clock frequency to 1 MHz

Tommaso Merciai <[email protected]> Mon, 3 Aug 2026 15:28:26 +0200
Newsgroups org.kernel.vger.linux-renesas-soc,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-sound
Message-ID <[email protected]>
On the SMARC carrier board I2C1 only carries the DA7212 audio codec.
Override the 100 kHz SoC default with 1 MHz.

Signed-off-by: Tommaso Merciai <[email protected]>
---
 arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
index 4eed095b683b..469a6282b2a3 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
@@ -147,6 +147,8 @@ &i2c0 {
 };
 
 &i2c1 {
+	clock-frequency = <1000000>;
+
 	da7212: codec@1a {
 		compatible = "dlg,da7212";
 		#sound-dai-cells = <0>;
-- 
2.54.0