linux-kernel - Re: [PATCH 1/1] arm64: dts: imx8mq: Add mux controller to iomuxc

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Message-ID: <1566473905.3653.10.camel@pengutronix.de>
Date:   Thu, 22 Aug 2019 13:38:25 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Guido Günther <agx@...xcpu.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        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>,
        Lucas Stach <l.stach@...gutronix.de>,
        Abel Vesa <abel.vesa@....com>,
        Anson Huang <Anson.Huang@....com>,
        Carlo Caione <ccaione@...libre.com>,
        "Angus Ainslie (Purism)" <angus@...ea.ca>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] arm64: dts: imx8mq: Add mux controller to iomuxc_gpr

On Thu, 2019-08-22 at 13:10 +0200, Guido Günther wrote:
> The only mux controls the MIPI DSI input selection.
> 
> Signed-off-by: Guido Günther <agx@...xcpu.org>

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

regards
Philipp

> ---
>  arch/arm64/boot/dts/freescale/imx8mq.dtsi | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> index 4fdd60f2c51e..3f3594d9485c 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> @@ -440,8 +440,15 @@
>  			};
>  
>  			iomuxc_gpr: syscon@...40000 {
> -				compatible = "fsl,imx8mq-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr", "syscon";
> +				compatible = "fsl,imx8mq-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr",
> +					     "syscon", "simple-mfd";
>  				reg = <0x30340000 0x10000>;
> +
> +				mux: mux-controller {
> +					compatible = "mmio-mux";
> +					#mux-control-cells = <1>;
> +					mux-reg-masks = <0x34 0x00000004>; /* MIPI_MUX_SEL */
> +				};
>  			};
>  
>  			ocotp: ocotp-ctrl@...50000 {