linux-kernel - Re: Re: [PATCH v3 4/4] arm64: dts: imx8mq: add DCSS node

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Date:   Wed, 26 Feb 2020 10:02:26 +0200
From:   Laurentiu Palcu <laurentiu.palcu@....com>
To:     Lucas Stach <l.stach@...gutronix.de>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>, agx@...xcpu.org,
        lukas@...mn.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: Re: [PATCH v3 4/4] arm64: dts: imx8mq: add DCSS node

Hi Lucas,

On Mon, Feb 24, 2020 at 06:23:51PM +0100, Lucas Stach wrote:
> On Fr, 2019-12-06 at 11:52 +0200, Laurentiu Palcu wrote:
> > This patch adds the node for iMX8MQ Display Controller Subsystem.
> >
> > Signed-off-by: Laurentiu Palcu <laurentiu.palcu@....com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8mq.dtsi | 25 +++++++++++++++++++++++++
> >  1 file changed, 25 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> > index f6e840c..da7e485 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> > @@ -981,6 +981,31 @@
> >                               interrupt-controller;
> >                               #interrupt-cells = <1>;
> >                       };
> > +
> > +                     dcss: display-controller@...00000 {
> 
> Node address is lower than the irqsteer node, so the dcss node should
> be added before, not after the irqsteer node in the DT.

That's correct, I'll move it.


> 
> > +                             #address-cells = <1>;
> > +                             #size-cells = <0>;
> > +                             compatible = "nxp,imx8mq-dcss";
> > +                             reg = <0x32e00000 0x2d000>, <0x32e2f000 0x1000>;
> > +                             interrupts = <6>, <8>, <9>;
> > +                             interrupt-names = "ctx_ld", "ctxld_kick", "vblank";
> > +                             interrupt-parent = <&irqsteer>;
> > +                             clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>,
> > +                                      <&clk IMX8MQ_CLK_DISP_AXI_ROOT>,
> > +                                      <&clk IMX8MQ_CLK_DISP_RTRM_ROOT>,
> > +                                      <&clk IMX8MQ_VIDEO2_PLL_OUT>,
> > +                                      <&clk IMX8MQ_CLK_DISP_DTRC>;
> > +                             clock-names = "apb", "axi", "rtrm", "pix", "dtrc";
> > +                             assigned-clocks = <&clk IMX8MQ_CLK_DISP_AXI>,
> > +                                               <&clk IMX8MQ_CLK_DISP_RTRM>,
> > +                                               <&clk IMX8MQ_VIDEO2_PLL1_REF_SEL>;
> > +                             assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_800M>,
> > +                                                      <&clk IMX8MQ_SYS1_PLL_800M>,
> > +                                                      <&clk IMX8MQ_CLK_27M>;
> > +                             assigned-clock-rates = <800000000>,
> > +                                                        <400000000>;
> 
> Second line is not aligned to the first one.

ack

Thanks,
laurentiu

> 
> > +                             status = "disabled";
> > +                     };
> >               };
> >
> >               gpu: gpu@...00000 {
> 

-- 
Laurentiu
NXP