linux-kernel - Re: [PATCH 1/3] arm64: dts: actions: add s900 clock controller nodes

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Message-ID: <20171102000616.ug7s7s6fmnubq7y5@rob-hp-laptop>
Date:   Wed, 1 Nov 2017 19:06:16 -0500
From:   Rob Herring <robh@...nel.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     mturquette@...libre.com, sboyd@...eaurora.org, afaerber@...e.de,
        mark.rutland@....com, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, davem@...emloft.net,
        mchehab@...nel.org, rdunlap@...radead.org,
        daniel.thompson@...aro.org, amit.kucheria@...aro.org,
        liuwei@...ions-semi.com
Subject: Re: [PATCH 1/3] arm64: dts: actions: add s900 clock controller nodes

On Wed, Nov 01, 2017 at 01:24:21AM +0530, Manivannan Sadhasivam wrote:
> This patch adds clock controller nodes for Actions Semi s900 SoC
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  arch/arm64/boot/dts/actions/s900.dtsi | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/actions/s900.dtsi b/arch/arm64/boot/dts/actions/s900.dtsi
> index 11406f6..c099ef1 100644
> --- a/arch/arm64/boot/dts/actions/s900.dtsi
> +++ b/arch/arm64/boot/dts/actions/s900.dtsi
> @@ -5,6 +5,7 @@
>   */
>  
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/actions,s900-clock.h>
>  
>  / {
>  	compatible = "actions,s900";
> @@ -88,6 +89,24 @@
>  		#clock-cells = <0>;
>  	};
>  
> +	losc: losc {
> +		compatible = "fixed-clock";
> +		clock-frequency = <32768>;
> +		#clock-cells = <0>;
> +	};
> +
> +	diff_24M: diff_24M {
> +		compatible = "fixed-clock";
> +		clock-frequency = <24000000>;
> +		#clock-cells = <0>;
> +	};

These 2 are inputs to the clock ctrlr? The clock controller should have 
a clocks property then.

> +
> +	clock: clock-controller@...60000 {
> +		compatible = "actions,s900-clock";
> +		reg = <0 0xe0160000 0 0x1000>;
> +		#clock-cells = <1>;
> +	};
> +
>  	soc {
>  		compatible = "simple-bus";
>  		#address-cells = <2>;
> -- 
> 2.7.4
>