linux-kernel - Re: [PATCH V2 2/2] ARM: dts: imx6sx-sabreauto: add external 24MHz clock source

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Message-ID: <20180417142203.GM25429@dragon>
Date:   Tue, 17 Apr 2018 22:22:05 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Anson Huang <Anson.Huang@....com>
Cc:     kernel@...gutronix.de, fabio.estevam@....com, robh+dt@...nel.org,
        mark.rutland@....com, linux@...linux.org.uk,
        mturquette@...libre.com, sboyd@...nel.org, shengjiu.wang@....com,
        Linux-imx@....com, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH V2 2/2] ARM: dts: imx6sx-sabreauto: add external 24MHz
 clock source

On Mon, Mar 19, 2018 at 10:30:45AM +0800, Anson Huang wrote:
> On i.MX6SX SabreAuto board, there is external 24MHz clock
> source for analog clock2, add this clock source to clock tree.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>
> ---
> changes since V1:
> 	remove unnecessary clocks container.

I understand this is suggested by Fabio, but I'm afraid that it's not
going to work with imx_obtain_fixed_clock() call, which is coded to
look for clocks under /clocks node.

Shawn

>  arch/arm/boot/dts/imx6sx-sabreauto.dts | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> index 72da5ac..a3b022b 100644
> --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
> +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
> @@ -18,6 +18,12 @@
>  		reg = <0x80000000 0x80000000>;
>  	};
>  
> +	codec_osc: anaclk2 {
> +		#clock-cells = <0>;
> +		compatible = "fixed-clock";
> +		clock-frequency = <24576000>;
> +	};
> +
>  	regulators {
>  		compatible = "simple-bus";
>  		#address-cells = <1>;
> -- 
> 2.7.4
> 
> --
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