From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sricharan R Subject: Re: [PATCH 5/6] arm64: dts: Add ipq6018 SoC and CP01 board support Date: Mon, 10 Jun 2019 15:39:56 +0530 Message-ID: <50231fba-7212-f8b9-9313-0c79294d4cc6@codeaurora.org> References: <1559754961-26783-1-git-send-email-sricharan@codeaurora.org> <1559754961-26783-6-git-send-email-sricharan@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Christian Lamparter Cc: Rob Herring , Stephen Boyd , Linus Walleij , agross@kernel.org, devicetree , linux-kernel , linux-clk@vger.kernel.org, "open list:GPIO SUBSYSTEM" , linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, linux-arm Mailing List , =?UTF-8?B?0J/QsNCy0LXQuw==?= List-Id: devicetree@vger.kernel.org Hi Christian, On 6/6/2019 2:11 AM, Christian Lamparter wrote: > On Wed, Jun 5, 2019 at 7:16 PM Sricharan R wrote: >> >> Add initial device tree support for the Qualcomm IPQ6018 SoC and >> CP01 evaluation board. >> >> Signed-off-by: Sricharan R >> Signed-off-by: Abhishek Sahu >> --- /dev/null >> +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi >> >> + clocks { >> + sleep_clk: sleep_clk { >> + compatible = "fixed-clock"; >> + clock-frequency = <32000>; >> + #clock-cells = <0>; >> + }; >> + > Recently-ish, we ran into an issue with the clock-frequency of the sleep_clk > on older IPQ40XX (and IPQ806x) on the OpenWrt Github and ML. > From what I know, the external "32KHz" crystals have 32768 Hz, but the QSDK > declares them at 32000 Hz. Since you probably have access to the BOM and > datasheets. Can you please confirm what's the real clock frequency for > the IPQ6018. > (And maybe also for the sleep_clk of the IPQ4018 as well?). > What exactly is the issue that you faced ? Looking in to the docs, it is <32000> only on ipq6018 and ipq40xx as well. Regards, Sricharan -- "QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation