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From: tony@atomide•com (Tony Lindgren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/3] ARM: dts: am335x: Add DTS for ChiliSOM module
Date: Mon, 16 Mar 2015 13:50:09 -0700	[thread overview]
Message-ID: <20150316205008.GB12397@atomide.com> (raw)
In-Reply-To: <1423493285-4231-2-git-send-email-lisovy@jablotron.cz>

* Rostislav Lisovy <lisovy@gmail•com> [150209 06:51]:
> Since this is a SOM (System on Module) that will be part
> of another embedded board (and can't really exist on its own)
> define it as a "dtsi" that will be included in the Device tree
> describing the whole system later on.
> 
> Hardware specification:
> * AM335x SoC
> * up to 512 MB RAM
> * NAND Flash (8x interface, cs0)
> * UART0
> * PMIC
> * I2C0 (for PMIC)
> * 1x Ethernet MAC

Applying all three into omap-for-v4.1/dt with one change
below.
 
> --- /dev/null
> +++ b/arch/arm/boot/dts/am335x-chilisom.dtsi
> +
> +&gpmc {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&nandflash_pins>;
> +	ranges = <0 0 0x08000000 0x01000000>; /* CS0 0 @addr 0x08000000, size 0x01000000 */
> +	nand at 0,0 {
> +		reg = <0 0 0x01000000>; /* CS0 */

I've changed this to say just:
		reg = <0 0 4>;  /* CS0, offset 0, IO size 4 */

As for NAND the device has just one IO register. The 0x01000000
is the size of a minimum GPMC partition.

Regards,

Tony

  reply	other threads:[~2015-03-16 20:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-09 14:48 [PATCH 1/3] ARM: dts: Add vendor prefix for Grinn Rostislav Lisovy
2015-02-09 14:48 ` [PATCH 2/3] ARM: dts: am335x: Add DTS for ChiliSOM module Rostislav Lisovy
2015-03-16 20:50   ` Tony Lindgren [this message]
2015-02-09 14:48 ` [PATCH 3/3] ARM: dts: am335x: Add Chiliboard DTS Rostislav Lisovy

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