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[94.29.48.99]) by smtp.googlemail.com with ESMTPSA id v2sm216571ljg.46.2021.11.25.03.43.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 25 Nov 2021 03:43:29 -0800 (PST) Subject: Re: [PATCH v1 17/20] ARM: tegra: Add S/PDIF node to Tegra20 device-tree From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Takashi Iwai , Jaroslav Kysela , Liam Girdwood , Agneli , Rob Herring Cc: linux-tegra@vger.kernel.org, Arnd Bergmann , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20211124220057.15763-1-digetx@gmail.com> <20211124220057.15763-18-digetx@gmail.com> Message-ID: <98072c48-31ca-aec1-b3a5-3d75d6892e9a@gmail.com> Date: Thu, 25 Nov 2021 14:43:28 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211124220057.15763-18-digetx@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 25.11.2021 01:00, Dmitry Osipenko пишет: > Add S/PDIF node to Tegra20 device-tree. It's needed for enabling HDMI > audio support. > > Signed-off-by: Dmitry Osipenko > --- > arch/arm/boot/dts/tegra20.dtsi | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi > index 63c2c2f8c0ce..799da7dc929b 100644 > --- a/arch/arm/boot/dts/tegra20.dtsi > +++ b/arch/arm/boot/dts/tegra20.dtsi > @@ -197,6 +197,7 @@ hdmi@54280000 { > reset-names = "hdmi"; > power-domains = <&pd_core>; > operating-points-v2 = <&hdmi_dvfs_opp_table>; > + #sound-dai-cells = <0>; > status = "disabled"; > }; > > @@ -396,6 +397,23 @@ tegra_ac97: ac97@70002000 { > status = "disabled"; > }; > > + tegra_spdif: spdif@70002400 { > + compatible = "nvidia,tegra20-spdif"; > + reg = <0x70002400 0x200>; > + interrupts = ; > + clocks = <&tegra_car TEGRA20_CLK_SPDIF_OUT>, > + <&tegra_car TEGRA20_CLK_SPDIF_IN>; > + clock-names = "spdif_out", "spdif_in"; > + resets = <&tegra_car 10>; > + dmas = <&apbdma 3>, <&apbdma 3>; > + dma-names = "rx", "tx"; > + #sound-dai-cells = <0>; > + status = "disabled"; > + > + assigned-clocks = <&tegra_car TEGRA20_CLK_SPDIF_OUT>; > + assigned-clock-parents = <&tegra_car TEGRA20_CLK_PLL_A_OUT0>; > + }; > + > tegra_i2s1: i2s@70002800 { > compatible = "nvidia,tegra20-i2s"; > reg = <0x70002800 0x200>; > @Thierry, this patch is made on top of [1]. [1] https://patchwork.ozlabs.org/project/linux-tegra/list/?series=271954