linux-kernel - Re: [PATCH v4 2/3] clocksource: keystone: add bindings for keystone timer

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Message-ID: <52F0D23A.9020808@ti.com>
Date:	Tue, 4 Feb 2014 13:42:50 +0200
From:	Ivan Khoronzhuk <ivan.khoronzhuk@...com>
To:	<santosh.shilimkar@...com>, <rob@...dley.net>,
	<linux@....linux.org.uk>, <galak@...eaurora.org>
CC:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <daniel.lezcano@...aro.org>,
	<tglx@...utronix.de>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <grygorii.strashko@...com>,
	Ivan Khoronzhuk <ivan.khoronzhuk@...com>
Subject: Re: [PATCH v4 2/3] clocksource: keystone: add bindings for keystone
 timer

Sorry I forgot to add
Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>

On 02/04/2014 01:30 PM, Ivan Khoronzhuk wrote:
> This patch provides bindings for the 64-bit timer in the KeyStone
> architecture devices. The timer can be configured as a general-purpose 64-bit
> timer, dual general-purpose 32-bit timers. When configured as dual 32-bit
> timers, each half can operate in conjunction (chain mode) or independently
> (unchained mode) of each other.
>
> It is global timer is a free running up-counter and can generate interrupt
> when the counter reaches preset counter values.
>
> Documentation:
> http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
>
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...com>
> ---
>   .../bindings/timer/ti,keystone-timer.txt           | 29 ++++++++++++++++++++++
>   1 file changed, 29 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/timer/ti,keystone-timer.txt
>
> diff --git a/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt
> new file mode 100644
> index 0000000..5fbe361
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt
> @@ -0,0 +1,29 @@
> +* Device tree bindings for Texas instruments Keystone timer
> +
> +This document provides bindings for the 64-bit timer in the KeyStone
> +architecture devices. The timer can be configured as a general-purpose 64-bit
> +timer, dual general-purpose 32-bit timers. When configured as dual 32-bit
> +timers, each half can operate in conjunction (chain mode) or independently
> +(unchained mode) of each other.
> +
> +It is global timer is a free running up-counter and can generate interrupt
> +when the counter reaches preset counter values.
> +
> +Documentation:
> +http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
> +
> +Required properties:
> +
> +- compatible : should be "ti,keystone-timer".
> +- reg : specifies base physical address and count of the registers.
> +- interrupts : interrupt generated by the timer.
> +- clocks : the clock feeding the timer clock.
> +
> +Example:
> +
> +timer@...0000 {
> +	compatible = "ti,keystone-timer";
> +	reg = <0x022f0000 0x80>;
> +	interrupts = <GIC_SPI 110 IRQ_TYPE_EDGE_RISING>;
> +	clocks = <&clktimer15>;
> +};

-- 
Regards,
Ivan Khoronzhuk

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