linux-kernel - Re: [PATCH 3/3] spi: dt-bindings: Add wait state polling flag

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Message-ID: <8dff97ca-6de5-fa52-bdb8-49b11beddc16@kapsi.fi>
Date:   Thu, 17 Mar 2022 10:42:59 +0200
From:   Mikko Perttunen <cyndis@...si.fi>
To:     Krishna Yarlagadda <kyarlagadda@...dia.com>, broonie@...nel.org,
        thierry.reding@...il.com, jonathanh@...dia.com,
        linux-spi@...r.kernel.org, linux-tegra@...r.kernel.org,
        ashishsingha@...dia.com
Cc:     skomatineni@...dia.com, ldewangan@...dia.com, robh+dt@...nel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] spi: dt-bindings: Add wait state polling flag

On 3/17/22 03:20, Krishna Yarlagadda wrote:
> Add flag to enable tpm wait state polling and Tegra Grace binding.
> 
> Signed-off-by: Krishna Yarlagadda <kyarlagadda@...dia.com>
> ---
>   .../devicetree/bindings/spi/nvidia,tegra210-quad.yaml       | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
> index 0296edd1de22..88b00fcad210 100644
> --- a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
> +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
> @@ -20,6 +20,7 @@ properties:
>         - nvidia,tegra186-qspi
>         - nvidia,tegra194-qspi
>         - nvidia,tegra234-qspi
> +      - nvidia,tegra-grace-qspi

nvidia,tegra241-qspi. Similarly in other places that refer to the chip name.

Mikko

>   
>     reg:
>       maxItems: 1
> @@ -57,6 +58,11 @@ patternProperties:
>         spi-tx-bus-width:
>           enum: [1, 2, 4]
>   
> +      nvidia,wait-polling:
> +        description:
> +          Enable TPM wait state polling on supported chips.
> +	type: boolean
> +
>         nvidia,tx-clk-tap-delay:
>           description:
>             Delays the clock going out to device with this tap value.