linux-kernel - Re: [RFC PATCH v3 07/17] clocksource: sun4i: add a compatible for suniv

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Date:   Thu, 22 Nov 2018 14:23:41 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Mesih Kilinc <mesihkilinc@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-sunxi@...glegroups.com
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Russell King <linux@...linux.org.uk>,
        Marc Zyngier <marc.zyngier@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Icenowy Zheng <icenowy@...c.io>,
        Rob Herring <robh+dt@...nel.org>,
        Julian Calaby <julian.calaby@...il.com>
Subject: Re: [RFC PATCH v3 07/17] clocksource: sun4i: add a compatible for
 suniv

On 21/11/2018 19:30, Mesih Kilinc wrote:
> The suniv (new F-series) chip has a timer with less functionality than
> the A10 timer, e.g. it has only 3 channels.
> 
> Add a new compatible for it. As we didn't use the extra channels on A10
> either now, the code needn't to be changed.
> 
> The suniv chip is based on ARM926EJ-S CPU, thus it has no architecture timer.
> 
> Register sun4i_timer as sched_clock on it.
> 
> Signed-off-by: Mesih Kilinc <mesihkilinc@...il.com>

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>

> ---
>  drivers/clocksource/sun4i_timer.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
> index 6e0180a..65f38f6 100644
> --- a/drivers/clocksource/sun4i_timer.c
> +++ b/drivers/clocksource/sun4i_timer.c
> @@ -186,7 +186,8 @@ static int __init sun4i_timer_init(struct device_node *node)
>  	 */
>  	if (of_machine_is_compatible("allwinner,sun4i-a10") ||
>  	    of_machine_is_compatible("allwinner,sun5i-a13") ||
> -	    of_machine_is_compatible("allwinner,sun5i-a10s"))
> +	    of_machine_is_compatible("allwinner,sun5i-a10s") ||
> +	    of_machine_is_compatible("allwinner,suniv-f1c100s"))
>  		sched_clock_register(sun4i_timer_sched_read, 32,
>  				     timer_of_rate(&to));
>  
> @@ -218,3 +219,5 @@ static int __init sun4i_timer_init(struct device_node *node)
>  }
>  TIMER_OF_DECLARE(sun4i, "allwinner,sun4i-a10-timer",
>  		       sun4i_timer_init);
> +TIMER_OF_DECLARE(suniv, "allwinner,suniv-f1c100s-timer",
> +		       sun4i_timer_init);
> 


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