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From: Sricharan R <sricharan@codeaurora.org>
To: Christian Lamparter <chunkeey@gmail.com>
Cc: "Rob Herring" <robh+dt@kernel.org>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	agross@kernel.org, devicetree <devicetree@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	linux-clk@vger.kernel.org,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
	"linux-arm Mailing List" <linux-arm-kernel@lists.infradead.org>,
	Павел <be.dissent@gmail.com>
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> (raw)
In-Reply-To: <CAAd0S9DKqAgFPgLzHiCBiJgE+OmUW7ainyjM_3-RyfCoKEa51A@mail.gmail.com>

Hi Christian,

On 6/6/2019 2:11 AM, Christian Lamparter wrote:
> On Wed, Jun 5, 2019 at 7:16 PM Sricharan R <sricharan@codeaurora.org> wrote:
>>
>> Add initial device tree support for the Qualcomm IPQ6018 SoC and
>> CP01 evaluation board.
>>
>> Signed-off-by: Sricharan R <sricharan@codeaurora.org>
>> Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
>> --- /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

  reply index

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-05 17:15 [PATCH 0/6] Add minimal boot support for IPQ6018 Sricharan R
2019-06-05 17:15 ` [PATCH 1/6] pinctrl: qcom: Add ipq6018 pinctrl driver Sricharan R
2019-06-08  3:26   ` Bjorn Andersson
2019-06-10 11:00     ` Sricharan R
2019-06-05 17:15 ` [PATCH 2/6] dt-bindings: qcom: Add ipq6018 bindings Sricharan R
2019-06-08  3:27   ` Bjorn Andersson
2019-06-10 11:01     ` Sricharan R
2019-06-19 14:54   ` Rob Herring
2019-06-05 17:15 ` [PATCH 3/6] clk: qcom: Add DT bindings for ipq6018 gcc clock controller Sricharan R
2019-06-08  3:33   ` Bjorn Andersson
2019-06-05 17:16 ` [PATCH 5/6] arm64: dts: Add ipq6018 SoC and CP01 board support Sricharan R
2019-06-05 17:26   ` Marc Zyngier
2019-06-08  2:44     ` Sricharan R
2019-06-05 20:41   ` Christian Lamparter
2019-06-10 10:09     ` Sricharan R [this message]
2019-06-10 12:15       ` Christian Lamparter
2019-06-12  9:48         ` Sricharan R
2019-06-14 20:41           ` Christian Lamparter
2019-06-19 14:42             ` Sricharan R
2019-06-20 15:32               ` Christian Lamparter
2019-06-24 12:08                 ` Sricharan R
2019-06-08  3:48   ` Bjorn Andersson
2019-06-10 15:45     ` Sricharan R
2019-06-10 16:48       ` Stephen Boyd
2019-06-05 17:16 ` [PATCH 6/6] arm64: defconfig: Enable qcom ipq6018 clock and pinctrl Sricharan R
2019-06-08  3:32   ` Bjorn Andersson
2019-06-05 17:26 ` [PATCH 0/6] Add minimal boot support for IPQ6018 Sricharan R
2019-06-07 23:08 ` Linus Walleij
     [not found] ` <1559754961-26783-5-git-send-email-sricharan@codeaurora.org>
2019-06-08  3:32   ` [PATCH 4/6] clk: qcom: Add ipq6018 Global Clock Controller support Bjorn Andersson
2019-06-10 11:47     ` Sricharan R
2019-06-10 16:58       ` Bjorn Andersson
2019-06-05 17:28 [PATCH 0/6] Add minimal boot support for IPQ6018 Sricharan R
2019-06-05 17:28 ` [PATCH 5/6] arm64: dts: Add ipq6018 SoC and CP01 board support Sricharan R
2019-06-05 17:34   ` Sudeep Holla
2019-06-08  2:44     ` Sricharan R

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