linux-kernel - Re: [RFC PATCH 1/4] ARM: dts: am33xx: Add all fck timer clocks

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Date:   Mon, 16 Jul 2018 22:55:47 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     daniel.lezcano@...aro.org, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org, aford173@...il.com,
        drivshin@...rd.com
Subject: Re: [RFC PATCH 1/4] ARM: dts: am33xx: Add all fck timer clocks

Hi,

* Neil Armstrong <narmstrong@...libre.com> [180716 20:42]:
> Add the missing fck clock to all timer nodes of the AM33XX dtsi.
> 
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> ---
>  arch/arm/boot/dts/am33xx.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index 9cd62bc2..e8e665d 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -541,6 +541,8 @@
>  			reg = <0x48042000 0x400>;
>  			interrupts = <69>;
>  			ti,hwmods = "timer3";
> +			clocks = <&timer3_fck>;
> +			clock-names = "fck";
>  		};

These should all use the clkctrl clock nodes, see:

$ git grep CLKCTRL include/dt-bindings/clock/ | grep TIMER

The module clock is bit 0, and on some SoCs bit 24 is the
timer fck. But I don't think these SoS use separate bit 24
clock.

Regards,

Tony