linux-kernel - Re: [PATCH] ARM: dts: Add am57xx-beagle-x15

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Message-ID: <545BA3E6.90105@ti.com>
Date:	Thu, 6 Nov 2014 11:37:58 -0500
From:	Tom Rini <trini@...com>
To:	<balbi@...com>, Nishanth Menon <nm@...com>
CC:	<devicetree@...r.kernel.org>, Tony Lindgren <tony@...mide.com>,
	<beagleboard@...glegroups.com>, <linux-kernel@...r.kernel.org>,
	<gerald@...nddesignsgroup.com>, <fcooper@...com>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: dts: Add am57xx-beagle-x15

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On 11/06/2014 11:32 AM, Felipe Balbi wrote:
> On Thu, Nov 06, 2014 at 10:18:22AM -0600, Nishanth Menon wrote:
>> BeagleBoard-X15 is the next generation Open Source Hardware 
>> BeagleBoard based on TI's AM5728 SoC featuring dual core 1.5GHZ
>> A15 processor. The platform features 2GB DDR3L (w/dual 32bit
>> busses), eSATA, 3 USB3.0 ports, integrated HDMI (1920x108@60),
>> separate LCD port, video In port, 4GB eMMC, uSD, Analog audio
>> in/out, dual 1G Ethernet.
>> 
>> For more information, refer to: BeagleBoard-X15 Wiki: 
>> http://www.elinux.org/Beagleboard:BeagleBoard-X15
>> 
>> AM5728 is part of the Sitara product family whose additional
>> details will be available:
>> http://www.ti.com/lsds/ti/arm/overview.page
>> 
>> Technical Reference Manual for AM5728 is public domain at: 
>> http://www.ti.com/lit/spruhz6
>> 
>> Just add basic support for the moment, the following updates are
>> needed: i)	Ethernet - depends on SoC dts fixes ii)	USB Client
>> (USB2) - depends on GPIO extcon ii)	HDMI - additional driver
>> fixes pending iii)	Audio - additional driver fixes pending
>> 
>> Signed-off-by: Felipe Balbi <balbi@...com> Signed-off-by:
>> Nishanth Menon <nm@...com> ---
>> 
>> Tested with omap2plus_defconfig modified as:
>> http://slexy.org/view/s2DRTzUwjj boot log:
>> http://slexy.org/raw/s25Grf1uoo based on 3.18-rc1 tag.
>> 
>> Support for u-boot has been posted as well: (series ending 
>> http://patchwork.ozlabs.org/patch/407552/ )
>> 
>> Side note: this patch generates a few unrelated checkpatch
>> warning for compatible which probably is part of appropriate
>> driver documentation fixes (functionality is already present).
>> 
>> arch/arm/boot/dts/Makefile              |    1 + 
>> arch/arm/boot/dts/am57xx-beagle-x15.dts |  405
>> +++++++++++++++++++++++++++++++ 2 files changed, 406
>> insertions(+) create mode 100644
>> arch/arm/boot/dts/am57xx-beagle-x15.dts
>> 
>> diff --git a/arch/arm/boot/dts/Makefile
>> b/arch/arm/boot/dts/Makefile index 38c89ca..eee1e4f 100644 ---
>> a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@
>> -347,6 +347,7 @@ dtb-$(CONFIG_SOC_OMAP5) += omap5-cm-t54.dtb \ 
>> omap5-sbc-t54.dtb \ omap5-uevm.dtb dtb-$(CONFIG_SOC_DRA7XX) +=
>> dra7-evm.dtb \ +	am57xx-beagle-x15.dtb \ dra72-evm.dtb 
>> dtb-$(CONFIG_ARCH_ORION5X) += orion5x-lacie-d2-network.dtb \ 
>> orion5x-lacie-ethernet-disk-mini-v2.dtb \ diff --git
>> a/arch/arm/boot/dts/am57xx-beagle-x15.dts
>> b/arch/arm/boot/dts/am57xx-beagle-x15.dts new file mode 100644 
>> index 0000000..1f1875b --- /dev/null +++
>> b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -0,0 +1,405 @@ +/* +
>> * Copyright (C) 2014 Texas Instruments Incorporated -
>> http://www.ti.com/ + * + * This program is free software; you can
>> redistribute it and/or modify + * it under the terms of the GNU
>> General Public License version 2 as + * published by the Free
>> Software Foundation. + */ +/dts-v1/; + +#include "dra74x.dtsi" 
>> +#include <dt-bindings/clk/ti-dra7-atl.h> +#include
>> <dt-bindings/gpio/gpio.h> +#include
>> <dt-bindings/interrupt-controller/irq.h> + +/ { +	model = "TI
>> AM5728 BeagleBoard-X15"; +	compatible = "ti,am572x-beagle-x15",
>> "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7"; + +	aliases { +
>> rtc0 = &mcp_rtc; +		rtc1 = &tps659038_rtc; +	}; + +	memory { +
>> device_type = "memory"; +		reg = <0x80000000 0x40000000>; /* 1GB
>> to start. Target 2GB */
> 
> 1GiB ? Why would you put this here btw ? u-boot fills this one up.

Yes, it should either be the full and correct value or 0x0 (like a
number of PowerPC platforms do) so it's clear something else gives us
the right value here.

- -- 
Tom
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