From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Cc: tomm.merciai@gmail.com, linux-renesas-soc@vger.kernel.org,
biju.das.jz@bp.renesas.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, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: renesas: r9a09g047e57-smarc: Add overlay for P3T1085UK-ARD
Date: Wed, 19 Nov 2025 07:12:56 +0100 [thread overview]
Message-ID: <aR1f6PMbG0N_9oAo@shikoro> (raw)
In-Reply-To: <aRzzEgeetDFlE3YC@tom-desktop>
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> Your suggestion is to keep only Patch 1/2 dropping alias line right?
Yes.
We could think about enabling I3C unconditionally by adding this to
rzg3e-smarc-som.dtsi:
+ i2c-scl-hz = <400000>;
+ i3c-scl-hz = <12500000>;
+ status = "okay";
So, I3C will just work when you connect devices to it. The I3C frequency
might be depending a bit on the I3C target board and how it is wired.
Maybe use 10Mhz as a safe value and add a comment?
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next prev parent reply other threads:[~2025-11-19 6:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-18 14:26 [PATCH 0/2] arm64: dts: renesas: r9a09g047e57-smarc: Enable I3C Tommaso Merciai
2025-11-18 14:26 ` [PATCH 1/2] arm64: dts: renesas: rzg3e-smarc-som: Add I3C support Tommaso Merciai
2025-11-18 16:34 ` Wolfram Sang
2025-11-18 22:19 ` Tommaso Merciai
2025-11-18 14:26 ` [PATCH 2/2] arm64: dts: renesas: r9a09g047e57-smarc: Add overlay for P3T1085UK-ARD Tommaso Merciai
2025-11-18 16:43 ` Wolfram Sang
2025-11-18 22:28 ` Tommaso Merciai
2025-11-19 6:12 ` Wolfram Sang [this message]
2025-11-19 7:17 ` Biju Das
2025-11-19 19:43 ` wsa+renesas
2025-11-20 11:07 ` Tommaso Merciai
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