linux-kernel - Re: [PATCH 1/6] dt-bindings: timer: add Tegra210 timer

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Message-ID: <a5fec080-d388-5362-7f44-b50f7d7e1adf@nvidia.com>
Date:   Thu, 24 Jan 2019 10:30:42 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Joseph Lo <josephl@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     <linux-tegra@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/6] dt-bindings: timer: add Tegra210 timer


On 07/01/2019 03:28, Joseph Lo wrote:
> The Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit
> timestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived
> from the oscillator clock (TMR0-TMR9) or directly at the oscillator clock
> (TMR10-TMR13). Each TMR can be programmed to generate one-shot periodic,
> or watchdog interrupts.
> 
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: linux-kernel@...r.kernel.org
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Joseph Lo <josephl@...dia.com>
> ---
>  .../bindings/timer/nvidia,tegra210-timer.txt  | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt
> 
> diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt b/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt
> new file mode 100644
> index 000000000000..ba511220a669
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt
> @@ -0,0 +1,25 @@
> +NVIDIA Tegra210 timer
> +
> +The Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit
> +timestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived
> +from the oscillator clock (TMR0-TMR9) or directly at the oscillator clock
> +(TMR10-TMR13). Each TMR can be programmed to generate one-shot, periodic,
> +or watchdog interrupts.
> +
> +Required properties:
> +- compatible : "nvidia,tegra210-timer".
> +- reg : Specifies base physical address and size of the registers.
> +- interrupts : A list of 4 interrupts; one per each of TMR10 through TMR13.

Why do we only add the interrupts for TMR10 - TMR13? What about the others?

Cheers
Jon

-- 
nvpublic