linux-kernel - Re: [PATCH v2] arm64: dts: rockchip: add SPDIF node for rk3399-rockpro64

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <9694178.H46bfk3Hth@phil>
Date:   Sun, 30 Aug 2020 21:08:18 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Katsuhiro Suzuki <katsuhiro@...suster.net>
Cc:     linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Katsuhiro Suzuki <katsuhiro@...suster.net>
Subject: Re: [PATCH v2] arm64: dts: rockchip: add SPDIF node for rk3399-rockpro64

Hi,

Am Montag, 10. August 2020, 11:16:19 CEST schrieb Katsuhiro Suzuki:
> This patch adds 'disabled' SPDIF sound node and related settings
> for rk3399-rockpro64.
> 
> There are 2 reasons:
>   - All RK3399 dma-bus channels have been already used by I2S0/1/2
>   - RockPro64 does not have SPDIF optical nor coaxial connector,
>     just have 3pins

I don't really understand what you mean here.

Like is there spdif on the board or not? Because you call it "disabled"
and also indicate that no i2s is available anymore, yet you mention 3 pins.
What do they do then?

Thanks
Heiko


> Signed-off-by: Katsuhiro Suzuki <katsuhiro@...suster.net>
> 
> ---
> 
> Changes in v2:
>   - Remove redundant status property
> ---
>  .../boot/dts/rockchip/rk3399-rockpro64.dtsi   | 27 +++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> index 6e553ff47534..58097245994a 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
> @@ -76,6 +76,23 @@ sound {
>  		dais = <&i2s1_p0>;
>  	};
>  
> +	sound-dit {
> +		compatible = "audio-graph-card";
> +		label = "rockchip,rk3399";
> +		dais = <&spdif_p0>;
> +	};
> +
> +	spdif-dit {
> +		compatible = "linux,spdif-dit";
> +		#sound-dai-cells = <0>;
> +
> +		port {
> +			dit_p0_0: endpoint {
> +				remote-endpoint = <&spdif_p0_0>;
> +			};
> +		};
> +	};
> +
>  	vcc12v_dcin: vcc12v-dcin {
>  		compatible = "regulator-fixed";
>  		regulator-name = "vcc12v_dcin";
> @@ -698,6 +715,16 @@ &sdhci {
>  	status = "okay";
>  };
>  
> +&spdif {
> +	pinctrl-0 = <&spdif_bus_1>;
> +
> +	spdif_p0: port {
> +		spdif_p0_0: endpoint {
> +			remote-endpoint = <&dit_p0_0>;
> +		};
> +	};
> +};
> +
>  &spi1 {
>  	status = "okay";
>  
>