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From: "Padmanabhan Rajanbabu" <p.rajanbabu@samsung.com>
To: "'Krzysztof Kozlowski'" <krzysztof.kozlowski@linaro.org>,
	"'Alim Akhtar'" <alim.akhtar@samsung.com>, <lgirdwood@gmail.com>,
	<broonie@kernel.org>, <robh+dt@kernel.org>,
	<krzysztof.kozlowski+dt@linaro.org>, <s.nawrocki@samsung.com>,
	<perex@perex.cz>, <tiwai@suse.com>, <pankaj.dubey@samsung.com>,
	<rcsekar@samsung.com>, <aswani.reddy@samsung.com>
Cc: <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-samsung-soc@vger.kernel.org>
Subject: RE: [PATCH 6/6] arm64: dts: fsd: Add sound card node for Tesla FSD
Date: Tue, 8 Nov 2022 10:55:13 +0530	[thread overview]
Message-ID: <01bf01d8f332$7c15fdc0$7441f940$@samsung.com> (raw)
In-Reply-To: <89340edb-2451-e648-e2e6-94c8f2410084@linaro.org>



> -----Original Message-----
> From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@linaro.org]
> Sent: 21 October 2022 06:24 PM
> To: Padmanabhan Rajanbabu <p.rajanbabu@samsung.com>; 'Alim Akhtar'
> <alim.akhtar@samsung.com>; lgirdwood@gmail.com; broonie@kernel.org;
> robh+dt@kernel.org; krzysztof.kozlowski+dt@linaro.org;
> s.nawrocki@samsung.com; perex@perex.cz; tiwai@suse.com;
> pankaj.dubey@samsung.com; rcsekar@samsung.com;
> aswani.reddy@samsung.com
> Cc: alsa-devel@alsa-project.org; devicetree@vger.kernel.org; linux-
> kernel@vger.kernel.org; linux-samsung-soc@vger.kernel.org
> Subject: Re: [PATCH 6/6] arm64: dts: fsd: Add sound card node for Tesla FSD
> 
> On 21/10/2022 04:12, Padmanabhan Rajanbabu wrote:
> >
> >
> >> -----Original Message-----
> >> From: Alim Akhtar [mailto:alim.akhtar@samsung.com]
> >> Sent: 14 October 2022 06:59 PM
> >> To: 'Padmanabhan Rajanbabu' <p.rajanbabu@samsung.com>;
> >> lgirdwood@gmail.com; broonie@kernel.org; robh+dt@kernel.org;
> >> krzysztof.kozlowski+dt@linaro.org; s.nawrocki@samsung.com;
> >> perex@perex.cz; tiwai@suse.com; pankaj.dubey@samsung.com;
> >> rcsekar@samsung.com; aswani.reddy@samsung.com
> >> Cc: alsa-devel@alsa-project.org; devicetree@vger.kernel.org; linux-
> >> kernel@vger.kernel.org; linux-samsung-soc@vger.kernel.org
> >> Subject: RE: [PATCH 6/6] arm64: dts: fsd: Add sound card node for
> >> Tesla FSD
> >>
> >>
> >>
> >>> -----Original Message-----
> >>> From: Padmanabhan Rajanbabu [mailto:p.rajanbabu@samsung.com]
> >>> Sent: Friday, October 14, 2022 3:52 PM
> >>> To: lgirdwood@gmail.com; broonie@kernel.org; robh+dt@kernel.org;
> >>> krzysztof.kozlowski+dt@linaro.org; s.nawrocki@samsung.com;
> >>> perex@perex.cz; tiwai@suse.com; pankaj.dubey@samsung.com;
> >>> alim.akhtar@samsung.com; rcsekar@samsung.com;
> >> aswani.reddy@samsung.com
> >>> Cc: alsa-devel@alsa-project.org; devicetree@vger.kernel.org; linux-
> >>> kernel@vger.kernel.org; linux-samsung-soc@vger.kernel.org;
> >> Padmanabhan
> >>> Rajanbabu <p.rajanbabu@samsung.com>
> >>> Subject: [PATCH 6/6] arm64: dts: fsd: Add sound card node for Tesla
> >>> FSD
> >>>
> >>> Add device tree node support for sound card on Tesla FSD board
> >>>
> >>> Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@samsung.com>
> >>> ---
> >>> arch/arm64/boot/dts/tesla/fsd-evb.dts | 49
> >>> +++++++++++++++++++++++++++
> >>> arch/arm64/boot/dts/tesla/fsd.dtsi    |  3 ++
> >>> 2 files changed, 52 insertions(+)
> >>>
> >>> diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts
> >>> b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> >>> index c0a4509499ab..ecaa3c2e3045 100644
> >>> --- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
> >>> +++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> >>> @@ -49,3 +49,52 @@
> >>> &tdm_1 {
> >>> 	status = "okay";
> >>> };
> >>> +
> >>> +&sound {
> >>> +	compatible = "tesla,fsd-sndcard";
> >>> +	status = "okay";
> >>> +	model = "fsd-i2s";
> >>> +	widgets =
> >>> +		"Speaker", "MAIN SPK",
> >>> +		"Microphone", "MAIN MIC";
> >>> +
> >>> +	primary-dai-link-0 {
> >>> +		link-name = "fsd-primary-0";
> >>> +		dai-format = "i2s";
> >>> +		tesla,bitclock-master = <&tdm_0>;
> >>> +		tesla,frame-master = <&tdm_0>;
> >>> +		cpu {
> >>> +			sound-dai = <&tdm_0 0>;
> >>> +		};
> >>> +	};
> >>> +
> >>> +	secondary-dai-link-0 {
> >>> +		link-name = "fsd-secondary-0";
> >>> +		dai-format = "i2s";
> >>> +		tesla,bitclock-master = <&tdm_0>;
> >>> +		tesla,frame-master = <&tdm_0>;
> >>> +		cpu {
> >>> +			sound-dai = <&tdm_0 1>;
> >>> +		};
> >>> +	};
> >>> +
> >>> +	primary-dai-link-1 {
> >>> +		link-name = "fsd-primary-1";
> >>> +		dai-format = "i2s";
> >>> +		tesla,bitclock-master = <&tdm_1>;
> >>> +		tesla,frame-master = <&tdm_1>;
> >>> +		cpu {
> >>> +			sound-dai = <&tdm_1 0>;
> >>> +		};
> >>> +	};
> >>> +
> >>> +	secondary-dai-link-1 {
> >>> +		link-name = "fsd-secondary-1";
> >>> +		dai-format = "i2s";
> >>> +		tesla,bitclock-master = <&tdm_1>;
> >>> +		tesla,frame-master = <&tdm_1>;
> >>> +		cpu {
> >>> +			sound-dai = <&tdm_1 1>;
> >>> +		};
> >>> +	};
> >>> +};
> >>> diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi
> >>> b/arch/arm64/boot/dts/tesla/fsd.dtsi
> >>> index 5decad45a1b6..fc8931f830a7 100644
> >>> --- a/arch/arm64/boot/dts/tesla/fsd.dtsi
> >>> +++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
> >>> @@ -847,6 +847,9 @@
> >>> 			status = "disabled";
> >>> 		};
> >>>
> >>> +		sound: sound {
> >>> +		};
> >>> +
> >> Why to have an empty node in dtsi?
> > This is required as every node we use in dts should have the same
> > declared in
> 
> I see no reason why this is required.
> 
> > dtsi. Sound nodes in most of the platform is only declared (dummy
> > node) in dtsi and defining only in dts. Thus we are following the same.
> 
> Can you point me to Samsung platform doing this?
> 
> Keep the code consistent with Exynos style.

Okay, will add the sound node in accordance with Exynos style

> 
> Best regards,
> Krzysztof



      reply	other threads:[~2022-11-08  6:19 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20221014104843epcas5p47f6daaad2e67e0c9eedd68c2256c025b@epcas5p4.samsung.com>
2022-10-14 10:21 ` [PATCH 0/6] ASoC: samsung: fsd: audio support for FSD SoC Padmanabhan Rajanbabu
2022-10-14 10:21   ` [PATCH 1/6] ASoC: samsung: i2s: TDM Support for CPU DAI driver Padmanabhan Rajanbabu
2022-10-14 10:21   ` [PATCH 2/6] ASoC: samsung: i2s: configure PSR from sound card Padmanabhan Rajanbabu
2022-10-14 12:02     ` Mark Brown
2022-10-21  8:00       ` Padmanabhan Rajanbabu
2022-10-21 11:53         ` Mark Brown
2022-11-08  5:23           ` Padmanabhan Rajanbabu
2022-11-09 17:38             ` Mark Brown
2023-01-03  4:55               ` Padmanabhan Rajanbabu
2022-10-23 13:12         ` Krzysztof Kozlowski
2022-10-14 10:21   ` [PATCH 3/6] dt-bindings: sound: Add sound card bindings for Tesla FSD Padmanabhan Rajanbabu
2022-10-14 15:13     ` Rob Herring
2022-10-21  8:44       ` Padmanabhan Rajanbabu
2022-10-22 16:48         ` Krzysztof Kozlowski
2022-11-08  5:33           ` Padmanabhan Rajanbabu
2022-11-08 10:36             ` Krzysztof Kozlowski
2022-10-14 10:21   ` [PATCH 4/6] ASoC: samsung: fsd: Add FSD soundcard driver Padmanabhan Rajanbabu
2022-10-14 12:23     ` Mark Brown
2022-10-21  8:09       ` Padmanabhan Rajanbabu
2022-10-16 15:18     ` Krzysztof Kozlowski
2022-10-21  9:04       ` Padmanabhan Rajanbabu
2022-10-14 10:21   ` [PATCH 5/6] arm64: dts: fsd: Add I2S DAI node for Tesla FSD Padmanabhan Rajanbabu
2022-10-14 13:24     ` Alim Akhtar
2022-10-21  8:09       ` Padmanabhan Rajanbabu
2022-10-16 15:14     ` Krzysztof Kozlowski
2022-10-21  8:49       ` Padmanabhan Rajanbabu
2022-10-21 13:01         ` Krzysztof Kozlowski
2022-11-08  5:26           ` Padmanabhan Rajanbabu
2022-10-14 10:21   ` [PATCH 6/6] arm64: dts: fsd: Add sound card " Padmanabhan Rajanbabu
2022-10-14 13:29     ` Alim Akhtar
2022-10-21  8:12       ` Padmanabhan Rajanbabu
2022-10-21 12:53         ` Krzysztof Kozlowski
2022-11-08  5:25           ` Padmanabhan Rajanbabu [this message]

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