From: Guenter Roeck <linux@roeck-us.net>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>,
Rob Herring <robh+dt@kernel.org>,
Serge Semin <fancer.lancer@gmail.com>,
Rob Herring <robh@kernel.org>,
Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Arnd Bergmann <arnd@arndb.de>,
linux-mips@vger.kernel.org, linux-watchdog@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/7] dt-bindings: watchdog: dw-wdt: Support devices with asynch clocks
Date: Fri, 29 May 2020 15:53:45 -0700 [thread overview]
Message-ID: <20200529225345.GA194089@roeck-us.net> (raw)
In-Reply-To: <20200526154123.24402-3-Sergey.Semin@baikalelectronics.ru>
On Tue, May 26, 2020 at 06:41:18PM +0300, Serge Semin wrote:
> DW Watchdog IP core can be synthesised with asynchronous timer/APB
> clocks support (WDT_ASYNC_CLK_MODE_ENABLE == 1). In this case
> separate clock signals are supposed to be used to feed watchdog timer
> and APB interface of the device. Let's update the DW Watchdog DT node
> schema so it would support the optional APB3 bus clock specified along
> with the mandatory watchdog timer reference clock.
>
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: linux-mips@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
>
> Changelog v2:
> - It's a new patch unpinned from the previous one.
> ---
> .../devicetree/bindings/watchdog/snps,dw-wdt.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml b/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml
> index 4f6944756ab4..5bf6dc6377f3 100644
> --- a/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/snps,dw-wdt.yaml
> @@ -24,8 +24,16 @@ properties:
> maxItems: 1
>
> clocks:
> + minItems: 1
> items:
> - description: Watchdog timer reference clock
> + - description: APB3 interface clock
> +
> + clock-names:
> + minItems: 1
> + items:
> + - const: tclk
> + - const: pclk
>
> resets:
> description: Phandle to the DW Watchdog reset lane
next prev parent reply other threads:[~2020-05-29 22:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 15:41 [PATCH v3 0/7] watchdog: dw_wdt: Take Baikal-T1 DW WDT peculiarities into account Serge Semin
2020-05-26 15:41 ` [PATCH v3 1/7] dt-bindings: watchdog: Convert DW WDT binding to DT schema Serge Semin
2020-05-29 22:53 ` Guenter Roeck
2020-05-26 15:41 ` [PATCH v3 2/7] dt-bindings: watchdog: dw-wdt: Support devices with asynch clocks Serge Semin
2020-05-29 22:53 ` Guenter Roeck [this message]
2020-05-26 15:41 ` [PATCH v3 3/7] dt-bindings: watchdog: dw-wdt: Add watchdog TOPs array property Serge Semin
2020-05-29 22:54 ` Guenter Roeck
2020-05-26 15:41 ` [PATCH v3 4/7] watchdog: dw_wdt: Support devices with non-fixed TOP values Serge Semin
2020-05-29 22:50 ` Guenter Roeck
2020-05-26 15:41 ` [PATCH v3 5/7] watchdog: dw_wdt: Support devices with asynch clocks Serge Semin
2020-05-29 22:52 ` Guenter Roeck
2020-05-26 15:41 ` [PATCH v3 6/7] watchdog: dw_wdt: Add pre-timeouts support Serge Semin
2020-05-29 23:02 ` Guenter Roeck
2020-05-30 6:51 ` Serge Semin
2020-05-26 15:41 ` [PATCH v3 7/7] watchdog: dw_wdt: Add DebugFS files Serge Semin
2020-05-29 23:03 ` Guenter Roeck
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