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From: Christian Lamparter <chunkeey@gmail.com>
To: Sricharan R <sricharan@codeaurora.org>
Cc: "Rob Herring" <robh+dt@kernel.org>,
	"Stephen Boyd" <sboyd@codeaurora.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: Wed, 5 Jun 2019 22:41:28 +0200
Message-ID: <CAAd0S9DKqAgFPgLzHiCBiJgE+OmUW7ainyjM_3-RyfCoKEa51A@mail.gmail.com> (raw)
In-Reply-To: <1559754961-26783-6-git-send-email-sricharan@codeaurora.org>

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?).

Cheers,
Christian

  parent 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 [this message]
2019-06-10 10:09     ` Sricharan R
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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