linux-kernel - Re: [PATCH v3] arm64: dts: ti: k3-am654-main: Update otap-del-sel values

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Date:   Mon, 22 Jun 2020 10:41:35 +0300
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:     <robh+dt@...nel.org>, <nm@...com>
Subject: Re: [PATCH v3] arm64: dts: ti: k3-am654-main: Update otap-del-sel
 values

On 19/05/2020 11:20, 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>
Queued up for 5.9, thanks.

-Tero

> ---
> 
> v3: Updated values to the latest data manual revision
> 
> v2: Updated to the latest mainline kernel
> 
>   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 11887c72f23a..056130a126f9 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -244,7 +244,17 @@
>   		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 = <0x7>;
> +		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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