From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 38ABCC88E45 for ; Fri, 11 Sep 2026 15:29:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=unEjZgBQwlaE/Kh76tl/+zj8FPDMY0mfB/k757cTgYI=; b=wr2vQ3PQ2WaI9q M6pQF4ZnVOmmBL3pChLFYuW4JXBfNCr+T3jnw6iC06d77xeI25QkhqewjUZbcg4Ny1VBanYenFFMk i+NBQL1g785ydHoOQfbf3Gj1f70ezB56jHKfKuxZMM6Hk28rxY2sAt0I8eKuse6ciRjrZMkSj1Y1j y4BN2ATD1DURb3hw0z7TD/VtALHKuN67kRoAvHnvwhseq4giW7GOognCsaEVJ7BY2/e5f6gmi+GpU 3QnlsbN2TSoZWWxS36E5ILiIuVWVAySHBtDe4PtLnDav7VjkzRc6qx7/mM+DgbrbnQoU7pEQbLkP0 HuHzaJcBVtAjZGQD6T+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x53Bp-0000000H3Ph-4AEc; Fri, 11 Sep 2026 15:29:21 +0000 Received: from out-209.mta0.migadu.com ([2001:41d0:1004:224b::d1] helo=mta0.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x53Bm-0000000H3No-2m3d for linux-rockchip@lists.infradead.org; Fri, 11 Sep 2026 15:29:20 +0000 X-Envelope-To: linux-rockchip@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=peYt46gEnplFq6VAGkOGT5G4FCVR4PjJCVV/CvQlqiQ=; c=simple/simple; d=cknow-tech.com; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1789140556; v=1; x=1789745356; b=X9BUDtwMo5RuqpPHiLXsntdkaPtrn4dznM0BxpF7FvQuWgBV5CnM81YxXX9CdLArTJTvsVdX Ui62sfms6CYNn1+RK8FQDIf5HUazc4Vd3dVWzfzUQD6/OX5zwOME5tJUdNrCmDyVySPgaUoKB/s 2Ee7xwEaNvMwc0V1RGchUYCCCVW5MCLbcBnBiBwROv4ApgqUlEml45ns5Xp7TqGya66GQPz9Dy6 erSANy+E281zijLeztY0LDsM1koHHrxbbP6kXXYCwOMOpcLnaxYYWTtdKirkhhW5TewT3Q8u5FP hrtq4mzYDQFhbc4yp1544A48mQCpFj3HFoxPRrkJq3SNw== X-Envelope-To: linux-rockchip@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id 4a6b1134c34ec148; Fri, 11 Sep 2026 15:29:16 +0000 X-Mizu-Trace-ID: 4a6b1134c34ec148 X-Migadu-Flow: FLOW_OUT From: Diederik de Haas To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: Ricardo Pardini , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Diederik de Haas Subject: [PATCH] arm64: dts: rockchip: Fix i2c6 clock-frequency on NanoPC-T6 Date: Fri, 11 Sep 2026 17:28:33 +0200 Message-ID: <20260911152911.2088363-1-diederik@cknow-tech.com> X-Mailer: git-send-email 2.55.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260911_082919_394521_C77317A8 X-CRM114-Status: UNSURE ( 8.62 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org The i2c6 bus needs to run at 200kHz, because at the default frequency of 100kHz it may fail to find the RTC resulting in warnings/errors like rtc-hym8563 6-0051: no valid clock/calendar values available rtc-hym8563 6-0051: hctosys: unable to read the hardware clock But only sometimes. This should not happen when there is a battery backing the RTC, yet it does ... sometimes. Signed-off-by: Diederik de Haas --- arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi index 4d97afbc33bf..ff4f766ce0df 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi @@ -455,6 +455,8 @@ regulator-state-mem { }; &i2c6 { + clock-frequency = <200000>; + status = "okay"; usbc0: usb-typec@22 { -- 2.55.0 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip