linux-kernel - Re: [PATCH 1/3] ARM: dts: imx6ull: fix the i.MX6ULL UART8 configuration

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Message-ID: <20180126085731.GB14058@b29396-OptiPlex-7040>
Date:   Fri, 26 Jan 2018 16:57:31 +0800
From:   Dong Aisheng <dongas86@...il.com>
To:     Lothar Waßmann <LW@...O-electronics.de>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>, linux-imx@....com
Subject: Re: [PATCH 1/3] ARM: dts: imx6ull: fix the i.MX6ULL UART8
 configuration

On Fri, Jan 26, 2018 at 09:23:50AM +0100, Lothar Waßmann wrote:
> UART8 on i.MX6ULL is not located on the SPBA bus like on i.MX6UL but
> on the (otherwise unused) AIPS-3 bus.
> Create the appropriate AIPS-3 bus configuration and move the uart8
> definition where it belongs.
> 
> Signed-off-by: Lothar Waßmann <LW@...O-electronics.de>

Stefan seemed already fixed this.

See:
https://patchwork.kernel.org/patch/10156125/

Regards
Dong Aisheng

> ---
>  arch/arm/boot/dts/imx6ull.dtsi | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi
> index 0c18291..abc815f 100644
> --- a/arch/arm/boot/dts/imx6ull.dtsi
> +++ b/arch/arm/boot/dts/imx6ull.dtsi
> @@ -41,3 +41,32 @@
>  
>  #include "imx6ul.dtsi"
>  #include "imx6ull-pinfunc.h"
> +
> +/ {
> +	soc {
> +		aips-bus@...0000 {
> +			spba-bus@...0000 {
> +				/delete-node/ serial@...4000;
> +			};
> +		};
> +
> +		aips3: aips-bus@...0000 {
> +			compatible = "fsl,aips-bus", "simple-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			reg = <0x02200000 0x100000>;
> +			ranges;
> +
> +			uart8: serial@...8000 {
> +				compatible = "fsl,imx6ul-uart",
> +					     "fsl,imx6q-uart";
> +				reg = <0x02288000 0x4000>;
> +				interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX6UL_CLK_IPG>,
> +					 <&clks IMX6UL_CLK_UART8_SERIAL>;
> +				clock-names = "ipg", "per";
> +				status = "disabled";
> +			};
> +		};
> +	};
> +};
> -- 
> 2.1.4
>