[PATCH 4/4] powerpc/85xx: TQM8548: Update DTS file for multi-chip support

Anton Vorontsov avorontsov at ru.mvista.com
Tue Mar 17 15:23:41 EDT 2009


On Tue, Mar 17, 2009 at 10:12:22AM +0100, Wolfgang Grandegegr wrote:
> From: Wolfgang Grandegger <wg at grandegger.com>
> 
> This patch adds multi-chip support for the Micron MT29F8G08FAB NAND
> flash memory on the TQM8548 modules.
> 
> This patch should go through the powerpc/85xx channel.
> 
> Signed-off-by: Wolfgang Grandegger <wg at grandegger.com>
> ---
>  arch/powerpc/boot/dts/tqm8548.dts |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/powerpc/boot/dts/tqm8548.dts b/arch/powerpc/boot/dts/tqm8548.dts
> index 81d3fbb..e5c3c67 100644
> --- a/arch/powerpc/boot/dts/tqm8548.dts
> +++ b/arch/powerpc/boot/dts/tqm8548.dts
> @@ -389,6 +389,11 @@
>  			reg = <3 0x0 0x800>;
>  			fsl,upm-addr-offset = <0x10>;
>  			fsl,upm-cmd-offset = <0x08>;
> +			wait-flags = <0x05>;

Should be at least fsl,upm-wait-flags. (And the flags should
be documented in dts-bindings ;-).

> +			/* Multi-chip device */
> +			fsl,upm-mar-chip-offset = <0x200>;
> +			max-chips = <2>;

num-chips would be more appropriate, no?

> +			chip-offset = <0x200>;

I believe this is from some old code...


Thanks!

-- 
Anton Vorontsov
email: cbouatmailru at gmail.com
irc://irc.freenode.net/bd2



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