linux-kernel - Re: [PATCH] ARM: dts: at91: sama5d29_curiosity: Add device tree for sama5d29

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Date:   Tue, 15 Aug 2023 08:19:44 +0300
From:   claudiu beznea <claudiu.beznea@...on.dev>
To:     Mihai.Sain@...rochip.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        Nicolas.Ferre@...rochip.com, Cristian.Birsan@...rochip.com,
        alexandre.belloni@...tlin.com, andre.przywara@....com,
        Jerry.Ray@...rochip.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Andrei.Simion@...rochip.com
Subject: Re: [PATCH] ARM: dts: at91: sama5d29_curiosity: Add device tree for
 sama5d29_curiosity board

Hi, Mihai,

On 8/10/23 09:47, Mihai.Sain@...rochip.com wrote:
>> +&i2s0 {
>> +     pinctrl-names = "default";
>> +     pinctrl-0 = <&pinctrl_i2s0_default>;
>> +     status = "okay";
> I see no sound bindings on DT. Is there any reason for having this here?
> # i2s0 bus is wired to RPi 40-pin connector. I want to have this node and its pinctrl here.
> # i2c1, flx4-spi, pwm0, uart1 are also wired to Rpi connector, and are defined here.
> # The same logic we apply also for mikroBUS sockets: i2c, pwm, spi and uart nodes are defined here.
> 

Can you use it (either with user space tools or other kernel consumers) w/o
additional device tree bindings?