From nobody Wed Dec 17 10:43:42 2025 Received: from out28-124.mail.aliyun.com (out28-124.mail.aliyun.com [115.124.28.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 31D8928ECDE; Fri, 9 May 2025 10:14:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.28.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746785676; cv=none; b=pwKT8OEDhXW5kpwdyj1LA1FWL9fqYD1S5YM9oGACokvTJvOX7WzWLMdNv5yjfRLAJptjwAbksXRFcFENuh4cFqBQFKN7MDH8UDqomPTHG6FIJlEX9svHQWHoJ74PdzIKMMinXaVbPH85u4KEEDBk3ZINM5CuCS44gOlaS0Vs8Jk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746785676; c=relaxed/simple; bh=Z103pqyZa+ObB2sEh74x9kI0xsPOy1gkKZLi9Ft1+ok=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NjCk7m/XVtjwGm6ImF7pMGafUq3/70CmTvHsouTjU5E3Zktpq6ZveSPQrWLT58uMnVawOs4oCFJM2Iy1+Gp+nU3us3b1KNo0fBU7Dr/AVgTXohBg+6ua1ihpYtz+TGHRIElpsGKjE63QdMklZ7uq5qzzMlAmuqSTt22K5FGqIoY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=coolkit.cn; spf=pass smtp.mailfrom=coolkit.cn; dkim=pass (1024-bit key) header.d=coolkit.cn header.i=@coolkit.cn header.b=bOSj6Efb; arc=none smtp.client-ip=115.124.28.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=coolkit.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=coolkit.cn Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=coolkit.cn header.i=@coolkit.cn header.b="bOSj6Efb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=coolkit.cn; s=default; t=1746785664; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=BkbH0I5TM3m2dnDRQ+R1QhZQPDRr8vRGDjkpeZ4OOKs=; b=bOSj6EfbwxTo4o2OG9upsrCXokYJUZ5t4QLeQ+HAhnIgySfydP+CIuSeN4jFoX6mgUX4QWmAOPh9YRMFmB0SrBYlQjjWf8nqQ9mV4f+uSpY/P+L5B6Pg05UYAkg4RoJVSBxHttH1HohzRTh+X0ckLSg4tzQKmaVdkxqZKN1PegI= Received: from ubuntu-z.lan(mailfrom:hao.zhang@coolkit.cn fp:SMTPD_---.cjsv3YR_1746785662 cluster:ay29) by smtp.aliyun-inc.com; Fri, 09 May 2025 18:14:24 +0800 From: Hao Zhang To: heiko@sntech.de Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, tim@feathertop.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Hao Zhang Subject: [PATCH v2 1/2] ARM: dts: rockchip: Sonoff-iHost: adjust SDIO for stability Date: Fri, 9 May 2025 18:14:18 +0800 Message-Id: <20250509101419.460473-2-hao.zhang@coolkit.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250509101419.460473-1-hao.zhang@coolkit.cn> References: <20250509101419.460473-1-hao.zhang@coolkit.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Reduce max-frequency from 50MHz to 25MHz to improve WiFi module stability on some Sonoff iHost units. Remove unsupported or redundant properties, and keep only minimal, validated configuration. Signed-off-by: Hao Zhang --- arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi b/arch/arm= /boot/dts/rockchip/rv1126-sonoff-ihost.dtsi index 9a87dc0d5f66..088a069bb1a8 100644 --- a/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi +++ b/arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi @@ -342,16 +342,14 @@ &saradc { =20 &sdio { bus-width =3D <4>; - cap-sd-highspeed; cap-sdio-irq; keep-power-in-suspend; - max-frequency =3D <50000000>; + max-frequency =3D <25000000>; mmc-pwrseq =3D <&sdio_pwrseq>; non-removable; pinctrl-names =3D "default"; pinctrl-0 =3D <&sdmmc1_clk &sdmmc1_cmd &sdmmc1_bus4>; rockchip,default-sample-phase =3D <90>; - sd-uhs-sdr50; vmmc-supply =3D <&vcc3v3_sd>; vqmmc-supply =3D <&vcc_1v8>; status =3D "okay"; --=20 2.34.1