linux-kernel - Re: [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values

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Message-ID: <5dc0bca0-502d-01b8-554b-4c4bc06688a8@ti.com>
Date:   Fri, 17 Jan 2020 10:08:26 +0200
From:   Tero Kristo <t-kristo@...com>
To:     Faiz Abbas <faiz_abbas@...com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <mark.rutland@....com>, <robh+dt@...nel.org>, <nm@...com>
Subject: Re: [PATCH] arm: dts: ti: k3-am654-main: Update otap-del-sel values

On 09/01/2020 10:51, Faiz Abbas wrote:
> According to the latest AM65x Data Manual[1], a different output tap
> delay value is optimum for a given speed mode. Update these values.
> 
> [1] http://www.ti.com/lit/gpn/am6526
> 
> Signed-off-by: Faiz Abbas <faiz_abbas@...com>

I believe this patch is going to be updated, as the dt binding has 
received comments. As such, going to ignore this for now.

-Tero

> ---
> 
> This patch depends on my two kernel series posted here:
> https://patchwork.kernel.org/project/linux-mmc/list/?series=225425
> https://patchwork.kernel.org/project/linux-mmc/list/?series=225459
> 
>   arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 12 +++++++++++-
>   1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index efb24579922c..c8d812fdfa0a 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -253,7 +253,17 @@
>   		interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
>   		mmc-ddr-1_8v;
>   		mmc-hs200-1_8v;
> -		ti,otap-del-sel = <0x2>;
> +		ti,otap-del-sel-legacy = <0x0>;
> +		ti,otap-del-sel-mmc-hs = <0x0>;
> +		ti,otap-del-sel-sd-hs = <0x0>;
> +		ti,otap-del-sel-sdr12 = <0x0>;
> +		ti,otap-del-sel-sdr25 = <0x0>;
> +		ti,otap-del-sel-sdr50 = <0x8>;
> +		ti,otap-del-sel-sdr104 = <0x5>;
> +		ti,otap-del-sel-ddr50 = <0x5>;
> +		ti,otap-del-sel-ddr52 = <0x5>;
> +		ti,otap-del-sel-hs200 = <0x5>;
> +		ti,otap-del-sel-hs400 = <0x0>;
>   		ti,trm-icp = <0x8>;
>   		dma-coherent;
>   	};
> 

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