From: Tony Lindgren <tony@atomide.com>
To: Nishanth Menon <nm@ti.com>
Cc: Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Tero Kristo <kristo@kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>,
Udit Kumar <u-kumar1@ti.com>, Nitin Yadav <n-yadav@ti.com>,
Neha Malcom Francis <n-francis@ti.com>
Subject: Re: [PATCH 1/6] arm64: dts: ti: k3-j721e: Add general purpose timers
Date: Fri, 2 Jun 2023 10:07:24 +0300 [thread overview]
Message-ID: <20230602070724.GH14287@atomide.com> (raw)
In-Reply-To: <20230531213215.602395-2-nm@ti.com>
* Nishanth Menon <nm@ti.com> [230531 21:32]:
> There are 20 general purpose timers on j721e that can be used for
> things like PWM using pwm-omap-dmtimer driver. There are also
> additional ten timers in the MCU domain which are meant for MCU
> firmware usage and hence marked reserved by default.
>
> The odd numbered timers have the option of being cascaded to even
> timers to create a 64 bit non-atomic counter which is racy in simple
> usage, hence the clock muxes are explicitly setup to individual 32 bit
> counters driven off system crystal (HFOSC) as default.
>
> These instantiation differs from J7200 and other SoCs with the device
> IDs and clocks involved for muxing.
Reviewed-by: Tony Lindgren <tony@atomide.com>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Tony Lindgren <tony@atomide.com>
To: Nishanth Menon <nm@ti.com>
Cc: Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Tero Kristo <kristo@kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>,
Udit Kumar <u-kumar1@ti.com>, Nitin Yadav <n-yadav@ti.com>,
Neha Malcom Francis <n-francis@ti.com>
Subject: Re: [PATCH 1/6] arm64: dts: ti: k3-j721e: Add general purpose timers
Date: Fri, 2 Jun 2023 10:07:24 +0300 [thread overview]
Message-ID: <20230602070724.GH14287@atomide.com> (raw)
In-Reply-To: <20230531213215.602395-2-nm@ti.com>
* Nishanth Menon <nm@ti.com> [230531 21:32]:
> There are 20 general purpose timers on j721e that can be used for
> things like PWM using pwm-omap-dmtimer driver. There are also
> additional ten timers in the MCU domain which are meant for MCU
> firmware usage and hence marked reserved by default.
>
> The odd numbered timers have the option of being cascaded to even
> timers to create a 64 bit non-atomic counter which is racy in simple
> usage, hence the clock muxes are explicitly setup to individual 32 bit
> counters driven off system crystal (HFOSC) as default.
>
> These instantiation differs from J7200 and other SoCs with the device
> IDs and clocks involved for muxing.
Reviewed-by: Tony Lindgren <tony@atomide.com>
next prev parent reply other threads:[~2023-06-02 7:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-31 21:32 [PATCH 0/6] arm64: dts: ti: k3-j7*: Add general purpose timers Nishanth Menon
2023-05-31 21:32 ` Nishanth Menon
2023-05-31 21:32 ` [PATCH 1/6] arm64: dts: ti: k3-j721e: " Nishanth Menon
2023-05-31 21:32 ` Nishanth Menon
2023-06-02 7:07 ` Tony Lindgren [this message]
2023-06-02 7:07 ` Tony Lindgren
2023-05-31 21:32 ` [PATCH 2/6] arm64: dts: ti: k3-j721e: Configure pinctrl for timer IO Nishanth Menon
2023-05-31 21:32 ` Nishanth Menon
2023-06-02 7:08 ` Tony Lindgren
2023-06-02 7:08 ` Tony Lindgren
2023-05-31 21:32 ` [PATCH 3/6] arm64: dts: ti: k3-j721s2: Add general purpose timers Nishanth Menon
2023-05-31 21:32 ` Nishanth Menon
2023-06-02 7:09 ` Tony Lindgren
2023-06-02 7:09 ` Tony Lindgren
2023-05-31 21:32 ` [PATCH 4/6] arm64: dts: ti: k3-j721s2: Configure pinctrl for timer IO Nishanth Menon
2023-05-31 21:32 ` Nishanth Menon
2023-06-02 7:09 ` Tony Lindgren
2023-06-02 7:09 ` Tony Lindgren
2023-05-31 21:32 ` [PATCH 5/6] arm64: dts: ti: k3-j784s4: Add general purpose timers Nishanth Menon
2023-05-31 21:32 ` Nishanth Menon
2023-06-02 7:10 ` Tony Lindgren
2023-06-02 7:10 ` Tony Lindgren
2023-05-31 21:32 ` [PATCH 6/6] arm64: dts: ti: k3-j784s4: Configure pinctrl for timer IO Nishanth Menon
2023-05-31 21:32 ` Nishanth Menon
2023-06-02 7:10 ` Tony Lindgren
2023-06-02 7:10 ` Tony Lindgren
2023-06-15 13:19 ` [PATCH 0/6] arm64: dts: ti: k3-j7*: Add general purpose timers Vignesh Raghavendra
2023-06-15 13:19 ` Vignesh Raghavendra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230602070724.GH14287@atomide.com \
--to=tony@atomide.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=kristo@kernel.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=n-francis@ti.com \
--cc=n-yadav@ti.com \
--cc=nm@ti.com \
--cc=robh+dt@kernel.org \
--cc=u-kumar1@ti.com \
--cc=vigneshr@ti.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.