linux-kernel - Re: [RESEND PATCH v2 2/6] ARM: dts: Specify clocks for UARTs on bcm11351

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Message-ID: <CAEPRUYrzAow1yr58jOp5ead7BkQx-K7yaLLzSHPwqYVu=aZFEQ@mail.gmail.com>
Date:	Wed, 16 Oct 2013 22:41:44 -0700
From:	Christian Daudt <bcm@...thebug.org>
To:	Tim Kryger <tim.kryger@...aro.org>,
	Matt Porter <matt.porter@...aro.org>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc:	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Chris Ball <cjb@...top.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-kernel@...r.kernel.org,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	Linaro Patches <patches@...aro.org>
Subject: Re: [RESEND PATCH v2 2/6] ARM: dts: Specify clocks for UARTs on bcm11351

On Wed, Oct 16, 2013 at 2:47 PM, Tim Kryger <tim.kryger@...aro.org> wrote:
> Rather than declaring the frequency of the external clock, specify the
> label of the clock such that the driver may determine the frequency on
> its own.
>
> Signed-off-by: Tim Kryger <tim.kryger@...aro.org>
> Reviewed-by: Markus Mayer <markus.mayer@...aro.org>
> Reviewed-by: Matt Porter <matt.porter@...aro.org>
> ---
>  arch/arm/boot/dts/bcm11351.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/boot/dts/bcm11351.dtsi b/arch/arm/boot/dts/bcm11351.dtsi
> index c6464fb..ce65367 100644
> --- a/arch/arm/boot/dts/bcm11351.dtsi
> +++ b/arch/arm/boot/dts/bcm11351.dtsi
> @@ -43,7 +43,7 @@
>                 compatible = "brcm,bcm11351-dw-apb-uart", "snps,dw-apb-uart";
>                 status = "disabled";
>                 reg = <0x3e000000 0x1000>;
> -               clock-frequency = <13000000>;
> +               clocks = <&uartb_clk>;
>                 interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
>                 reg-shift = <2>;
>                 reg-io-width = <4>;

Hi Sebastian,
 this patch series (and a subsequent one from Tim) both rely on your
"ARM: provide common arch init for DT clocks" patchset in order to
work. Will that patchset be in 3.13 ? I don't want to pull the dt mods
unless they are as they break the boot without them.

 Thanks,
   csd
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