From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 88475BA45 for ; Tue, 7 Mar 2023 18:00:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C0F0C433EF; Tue, 7 Mar 2023 18:00:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678212012; bh=jPHWB2TWQMuyh/0dVL4nFyzZZMcXN3WKGdvG1T+nohA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i9jVO82pOsD5Rm8i6q71yw0O6Iaf9AWfW2o7CTsUIJZmzM3a+B6qJuRpH1bHpUoaX bS4Rlmj+65bkqUgkasiTwc+4BxG89NLrOnjX4+UYIrH+xCltQYEyToYpoQpOY38m8p rVy2OIhn/Y0Mcwgb/U7DrD2VzL6xin5U/ktlAC3I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chen-Yu Tsai , AngeloGioacchino Del Regno , Matthias Brugger , Sasha Levin Subject: [PATCH 6.1 018/885] arm64: dts: mediatek: mt8186: Fix systimer 13 MHz clock description Date: Tue, 7 Mar 2023 17:49:12 +0100 Message-Id: <20230307170002.429777742@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170001.594919529@linuxfoundation.org> References: <20230307170001.594919529@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Chen-Yu Tsai [ Upstream commit b391efba57ff085233d5ead5e01817bf4b71d999 ] The systimer block derives its 13 MHz clock by dividing the main 26 MHz oscillator clock by 2 internally. The 13 MHz clock is not a separate oscillator. Fix this by making the 13 MHz clock a divide-by-2 fixed factor clock, taking its input from the main 26 MHz oscillator. Fixes: 2e78620b1350 ("arm64: dts: Add MediaTek MT8186 dts and evaluation board and Makefile") Signed-off-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20221201084229.3464449-5-wenst@chromium.org Signed-off-by: Matthias Brugger Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/mediatek/mt8186.dtsi | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi index 64693c17af9ec..fb32e3efcdb12 100644 --- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi @@ -211,10 +211,12 @@ l3_0: l3-cache { }; }; - clk13m: oscillator-13m { - compatible = "fixed-clock"; + clk13m: fixed-factor-clock-13m { + compatible = "fixed-factor-clock"; #clock-cells = <0>; - clock-frequency = <13000000>; + clocks = <&clk26m>; + clock-div = <2>; + clock-mult = <1>; clock-output-names = "clk13m"; }; -- 2.39.2