linux-kernel - Re: [RESEND 1/4] arm64: dts: lx2160a: add ftm

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Message-ID: <20200426131751.GC30501@dragon>
Date:   Sun, 26 Apr 2020 21:17:52 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Biwen Li <biwen.li@....nxp.com>
Cc:     ran.wang_1@....com, robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        jiafei.pan@....com, Biwen Li <biwen.li@....com>
Subject: Re: [RESEND 1/4] arm64: dts: lx2160a: add ftm_alarm0 DT node

On Tue, Apr 07, 2020 at 02:42:48PM +0800, Biwen Li wrote:
> From: Biwen Li <biwen.li@....com>
> 
> The patch adds ftm_alarm0 DT node for Soc LX2160A
> FlexTimer1 module is used to wakeup the system in deep sleep
> 
> Signed-off-by: Biwen Li <biwen.li@....com>
> ---
>  arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> index e5ee5591e52b..e0d8d68ce070 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> @@ -16,6 +16,10 @@
>  	#address-cells = <2>;
>  	#size-cells = <2>;
>  
> +	aliases {
> +		rtc1 = &ftm_alarm0;
> +	};
> +
>  	cpus {
>  		#address-cells = <1>;
>  		#size-cells = <0>;
> @@ -768,6 +772,20 @@
>  			timeout-sec = <30>;
>  		};
>  
> +		rcpm: rcpm@...4040 {

Keep the node sort in unit-address.  Also, try to use a generic node
name.

Shawn

> +			compatible = "fsl,lx2160a-rcpm", "fsl,qoriq-rcpm-2.1+";
> +			reg = <0x0 0x1e34040 0x0 0x1c>;
> +			#fsl,rcpm-wakeup-cells = <7>;
> +			little-endian;
> +		};
> +
> +		ftm_alarm0: timer@...0000 {
> +			compatible = "fsl,lx2160a-ftm-alarm";
> +			reg = <0x0 0x2800000 0x0 0x10000>;
> +			fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0 0x0>;
> +			interrupts = <0 44 4>;

IRQ_TYPE_LEVEL_HIGH

Shawn

> +		};
> +
>  		usb0: usb@...0000 {
>  			compatible = "snps,dwc3";
>  			reg = <0x0 0x3100000 0x0 0x10000>;
> -- 
> 2.17.1
>