linux-kernel - Re: [PATCH v4 2/8] ARM: dts: Specify clocks for UARTs on bcm11351

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Message-ID: <CAEPRUYow0iZLugp21KEw5FtSSnXbzzu+KWt7G9QKMTPESG8JrA@mail.gmail.com>
Date:	Thu, 12 Dec 2013 23:56:55 -0800
From:	Christian Daudt <bcm@...thebug.org>
To:	Tim Kryger <tim.kryger@...aro.org>
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>, Axel Lin <axel.lin@...ics.com>,
	Device Tree List <devicetree@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux MMC List <linux-mmc@...r.kernel.org>,
	Linaro Patches List <patches@...aro.org>
Subject: Re: [PATCH v4 2/8] ARM: dts: Specify clocks for UARTs on bcm11351

On Thu, Dec 5, 2013 at 11:20 AM, Tim Kryger <tim.kryger@...aro.org> wrote:
> The frequency property in "snps,dw-apb-uart" entries are no longer
> required if the rate of the external clock can be determined using the
> clk api (see e302cd9 serial: 8250_dw: add support for clk api).
>
> This patch replaces the frequency property in the UART nodes of
> bcm11351.dtsi with references to the relevant clocks following the
> common clock binding.
>
> 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 eca6fbc..9b99c52 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>;
> @@ -53,7 +53,7 @@
>                 compatible = "brcm,bcm11351-dw-apb-uart", "snps,dw-apb-uart";
>                 status = "disabled";
>                 reg = <0x3e001000 0x1000>;
> -               clock-frequency = <13000000>;
> +               clocks = <&uartb2_clk>;
>                 interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
>                 reg-shift = <2>;
>                 reg-io-width = <4>;
> @@ -63,7 +63,7 @@
>                 compatible = "brcm,bcm11351-dw-apb-uart", "snps,dw-apb-uart";
>                 status = "disabled";
>                 reg = <0x3e002000 0x1000>;
> -               clock-frequency = <13000000>;
> +               clocks = <&uartb3_clk>;
>                 interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
>                 reg-shift = <2>;
>                 reg-io-width = <4>;
> @@ -73,7 +73,7 @@
>                 compatible = "brcm,bcm11351-dw-apb-uart", "snps,dw-apb-uart";
>                 status = "disabled";
>                 reg = <0x3e003000 0x1000>;
> -               clock-frequency = <13000000>;
> +               clocks = <&uartb4_clk>;
>                 interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
>                 reg-shift = <2>;
>                 reg-io-width = <4>;
> --
> 1.8.0.1
>
Reviewed-by: Christian Daudt <bcm@...thebug.org>
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