linux-kernel - Re: [PATCH] ARM: dts: i.MX25: add the clocks for the EPIT blocks

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Date:   Mon, 5 Nov 2018 14:55:48 +0100
From:   Clément Péron <peron.clem@...il.com>
To:     Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
Cc:     Shawn Guo <shawnguo@...nel.org>, martin@...ser.cx,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        NXP Linux Team <linux-imx@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: i.MX25: add the clocks for the EPIT blocks

Hi,

On Mon, 5 Nov 2018 at 09:58, Vladimir Zapolskiy
<vladimir_zapolskiy@...tor.com> wrote:
>
> Adding Clément.
>
> On 11/04/2018 04:46 PM, Shawn Guo wrote:
> > On Thu, Nov 01, 2018 at 06:32:47PM +0100, Martin Kaiser wrote:
> >> The i.MX25 contains two EPIT (Enhanced Periodic Interrupt Timer)
> >> function blocks. Add their ipg and per clocks to the device tree.
> >>
> >> Signed-off-by: Martin Kaiser <martin@...ser.cx>
> >
> > Are these EPIT devices actually used in upstream kernel, or just
> > somewhere else?
>
> Clément wrote a good driver, which has already passed a series of reviews,
> but this clocks add-on is actually missing.
>
> Clément, can you please add clock-names property and the corresponding
> functional change to your driver? Thank you in advance.

I'm converting it with the new timer-of framework, will check for
adding both clocks.

New patch should come this week I hope.

Regards,
Clement>
> --
> Best wishes,
> Vladimir
>
> >> ---
> >>
> >> I tried to make this similar to gpt1 and gpt2.
> >>
> >>  arch/arm/boot/dts/imx25.dtsi | 4 ++++
> >>  1 file changed, 4 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
> >> index b25309d26ea5..e80101847aff 100644
> >> --- a/arch/arm/boot/dts/imx25.dtsi
> >> +++ b/arch/arm/boot/dts/imx25.dtsi
> >> @@ -388,12 +388,16 @@
> >>                      epit1: timer@...94000 {
> >>                              compatible = "fsl,imx25-epit";
> >>                              reg = <0x53f94000 0x4000>;
> >> +                            clocks = <&clks 83>, <&clks 43>;
> >> +                            clock-names = "ipg", "per";
> >>                              interrupts = <28>;
> >>                      };
> >>
> >>                      epit2: timer@...98000 {
> >>                              compatible = "fsl,imx25-epit";
> >>                              reg = <0x53f98000 0x4000>;
> >> +                            clocks = <&clks 84>, <&clks 43>;
> >> +                            clock-names = "ipg", "per";
> >>                              interrupts = <27>;
> >>                      };
> >>
> >> --
> >> 2.1.4
> >>
> >>
> >> _______________________________________________
> >> linux-arm-kernel mailing list
> >> linux-arm-kernel@...ts.infradead.org
> >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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