[PATCH 4/4] powerpc/85xx: TQM8548: Update DTS file for multi-chip support
wg at grandegger.com
Wed Mar 18 03:34:58 EDT 2009
Anton Vorontsov wrote:
> 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...
No, it's the address offset between the multiple chips. As Kumar already
pointed out, I also need to document the new properties.
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