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[2001:4c4e:1b8d:1600:206d:23e7:680:cbaa]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4954834edc3sm91477455e9.0.2026.07.18.01.57.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Jul 2026 01:57:48 -0700 (PDT) From: Igor Paunovic To: Dmitry Osipenko , Mauro Carvalho Chehab Cc: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Igor Paunovic Subject: [PATCH v3 4/4] arm64: dts: rockchip: enable HDMI RX audio capture on Orange Pi 5 Plus Date: Sat, 18 Jul 2026 10:57:28 +0200 Message-ID: <20260718085728.6797-5-royalnet026@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260718085728.6797-1-royalnet026@gmail.com> References: <20260718085728.6797-1-royalnet026@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Route the HDMI receiver audio to i2s7_8ch, the receive-only I2S interface dedicated to HDMI RX, through a simple-audio-card with the receiver as bitclock and frame master. Together with the audio capture support in the snps_hdmirx driver this exposes a capture-only ALSA card fed by the HDMI input. Tested on the Orange Pi 5 Plus with multiple HDMI sources: capture follows the source sample rate and stays in sync via the FIFO-level clock tracking in the driver. Signed-off-by: Igor Paunovic --- New in v3. .../dts/rockchip/rk3588-orangepi-5-plus.dts | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts index 9950d11..d5840e1 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts @@ -37,6 +37,22 @@ }; }; + hdmiin-sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "rockchip,hdmiin"; + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&hdmiin_codec>; + simple-audio-card,frame-master = <&hdmiin_codec>; + + simple-audio-card,cpu { + sound-dai = <&i2s7_8ch>; + }; + + hdmiin_codec: simple-audio-card,codec { + sound-dai = <&hdmi_receiver 0>; + }; + }; + ir-receiver { compatible = "gpio-ir-receiver"; gpios = <&gpio4 RK_PB3 GPIO_ACTIVE_LOW>; @@ -247,6 +263,10 @@ status = "okay"; }; +&i2s7_8ch { + status = "okay"; +}; + &led_blue_gpio { gpios = <&gpio3 RK_PA6 GPIO_ACTIVE_HIGH>; status = "okay"; -- 2.53.0