From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-renesas-soc@vger.kernel.org
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org
Subject: [PATCH 3/4] arm64: dts: renesas: rzg3s-smarc-som: Enable I3C
Date: Thu, 7 Aug 2025 17:14:37 +0200 [thread overview]
Message-ID: <20250807151434.5241-9-wsa+renesas@sang-engineering.com> (raw)
In-Reply-To: <20250807151434.5241-6-wsa+renesas@sang-engineering.com>
Enable I3C on the dedicated connector of the RZ/G3S module. Provide
safe defaults allowing to connect even to slow I2C devices.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
index 39845faec894..17fd30df3432 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi
@@ -7,6 +7,7 @@
#include <dt-bindings/clock/renesas,r9a08g045-vbattb.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/i3c/i3c.h>
#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
#include "rzg3s-smarc-switches.h"
@@ -172,6 +173,12 @@ a0 80 30 30 9c
};
};
+&i3c {
+ i2c-scl-hz = <100000>;
+ i3c-scl-hz = <12500000>;
+ status = "okay";
+};
+
#if SW_CONFIG2 == SW_ON
/* SD0 slot */
&sdhi0 {
--
2.47.2
next prev parent reply other threads:[~2025-08-07 15:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-07 15:14 [PATCH 0/4] arm64: dts: renesas: Enable I3C on RZ G3S/E Wolfram Sang
2025-08-07 15:14 ` [PATCH 1/4] arm64: dts: renesas: r9a08g045: Add I3C node Wolfram Sang
2025-08-09 5:05 ` Claudiu Beznea
2025-08-18 12:10 ` Geert Uytterhoeven
2025-08-07 15:14 ` [PATCH 2/4] arm64: dts: renesas: r9a09g047: " Wolfram Sang
2025-08-12 7:26 ` Geert Uytterhoeven
2025-08-18 12:24 ` Geert Uytterhoeven
2025-08-07 15:14 ` Wolfram Sang [this message]
2025-08-09 5:09 ` [PATCH 3/4] arm64: dts: renesas: rzg3s-smarc-som: Enable I3C Claudiu Beznea
2025-08-09 9:17 ` Wolfram Sang
2025-08-07 15:14 ` [PATCH 4/4] arm64: dts: renesas: rzg3e-smarc-som: " Wolfram Sang
2025-08-07 15:52 ` Biju Das
2025-08-07 17:00 ` wsa+renesas
2025-08-07 17:34 ` Biju Das
2025-08-08 14:55 ` kernel test robot
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