lkml.org 
[lkml]   [2019]   [Aug]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 4/4] dt-bindings/watchdog: Add access_cs0 option for alt-boot
On Mon, Aug 26, 2019 at 01:46:36PM +0300, Ivan Mikhaylov wrote:
> The option for the ast2400/2500 to get access to CS0 at runtime.
>
> Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com>
> ---
> Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> index c5077a1f5cb3..023a9b578df6 100644
> --- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> +++ b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> @@ -34,6 +34,13 @@ Optional properties:
> engine is responsible for this.
>
> - aspeed,alt-boot: If property is present then boot from alternate block.
> + At alternate side 'access_cs0' sysfs file provides:

What's sysfs?

Don't put Linux stuff in bindings.

> + ast2400: a way to get access to the primary SPI flash
> + chip at CS0 after booting from the alternate
> + chip at CS1.
> + ast2500: a way to restore the normal address mapping from
> + (CS0->CS1, CS1->CS0) to (CS0->CS0, CS1->CS1).
> +
> - aspeed,external-signal: If property is present then signal is sent to
> external reset counter (only WDT1 and WDT2). If not
> specified no external signal is sent.
> --
> 2.20.1
>

\
 
 \ /
  Last update: 2019-08-30 00:57    [W:0.065 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site