From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chunyan Zhang <chunyan.zhang-lxIno14LUO0EEoCn2XhGlw@public.gmane.org>
Subject: Re: [PATCH 1/5] arm64: dts: Add basic DT to support Spreadtrum's
 SP9860G
Date: Thu, 16 Feb 2017 15:57:14 +0800
Message-ID: <20170216075713.GA8569@spreadtrum.com>
References: <1487063952-7113-1-git-send-email-chunyan.zhang@spreadtrum.com>
 <1487063952-7113-2-git-send-email-chunyan.zhang@spreadtrum.com>
 <20170214155743.GG23718@leverpostej>
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To: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, orson.zhai-lxIno14LUO0EEoCn2XhGlw@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, nd-5wv7dgnIgG8@public.gmane.org
List-Id: devicetree@vger.kernel.org

On 二,  2月 14, 2017 at 03:57:43下午 +0000, Mark Rutland wrote:
> Hi,
> 
> On Tue, Feb 14, 2017 at 05:19:08PM +0800, Chunyan Zhang wrote:
> 
> > +	timer {
> > +		compatible = "arm,armv8-timer";
> > +		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8)
> > +					 | IRQ_TYPE_LEVEL_LOW)>,
> > +			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8)
> > +					 | IRQ_TYPE_LEVEL_LOW)>,
> > +			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8)
> > +					 | IRQ_TYPE_LEVEL_LOW)>,
> > +			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8)
> > +					 | IRQ_TYPE_LEVEL_LOW)>;
> > +		clock-frequency = <26000000>;
> > +	};
> 
> Your FW should program CNTFRQ on all CPUs, and this clock-frequency
> property should not be necessary. Please remove it.
>

Will remove it.
 
> > +
> > +	pmu {
> > +		compatible = "arm,armv8-pmuv3";
> 
> Please list "arm,cortex-a53-pmu" first.
> 
> > +		interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
> > +				<GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> > +				<GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
> > +				<GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
> > +				<GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>,
> > +				<GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
> > +				<GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>,
> > +				<GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>;
> > +	};
> 
> As you are using SPIs, please add an interrupt-affinity property, per
> Documentation/devicetree/bindings/arm/pmu.txt.

Added, would appear in the next revision.

> 
> > diff --git a/arch/arm64/boot/dts/sprd/sp9860g-1h10.dts b/arch/arm64/boot/dts/sprd/sp9860g-1h10.dts
> > new file mode 100644
> > index 0000000..59390fc
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/sprd/sp9860g-1h10.dts
> > @@ -0,0 +1,58 @@
> > +/*
> > + * Spreadtrum SP9860g board DTS file
> > + *
> > + * Copyright (C) 2017, Spreadtrum Communications Inc.
> > + *
> > + * This file is licensed under a dual GPLv2 or X11 license.
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include "sc9860.dtsi"
> > +
> > +/ {
> > +	model = "Spreadtrum SP9860G 3GFHD Board";
> > +
> > +	compatible = "sprd,sc9860", "sprd,sp9860g-1h10";
> > +
> > +	sprd,sc-id = <9860 1 0x20000>;
> 
> What is this? I can't see any documentation or user of this property in
> mainline.
> 

I will remove this property in the next iteration, actually this is for Spreadtrum's dtb tools only, I just forgot to remove it before sending this patch out.

Thanks,
Chunyan

> 
> Thanks,
> Mark.
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