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([87.200.95.144]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b66c383b1sm61069365e9.3.2025.08.28.09.35.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Aug 2025 09:35:05 -0700 (PDT) From: Christian Hewitt To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Alex Bee Subject: [PATCH] ARM: dts: rockchip: add HDMI audio to rk3288-miqi Date: Thu, 28 Aug 2025 16:35:01 +0000 Message-Id: <20250828163501.3829226-1-christianshewitt@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Alex Bee Add the sound and i2s nodes to enable HDMI audio output on the MiQi board. Signed-off-by: Alex Bee Signed-off-by: Christian Hewitt --- arch/arm/boot/dts/rockchip/rk3288-miqi.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/rockchip/rk3288-miqi.dts b/arch/arm/boot/dts= /rockchip/rk3288-miqi.dts index dd42f8d31f70..20df626547bd 100644 --- a/arch/arm/boot/dts/rockchip/rk3288-miqi.dts +++ b/arch/arm/boot/dts/rockchip/rk3288-miqi.dts @@ -78,6 +78,21 @@ vcc_sys: regulator-vsys { regulator-always-on; regulator-boot-on; }; + + sound { + compatible =3D "simple-audio-card"; + simple-audio-card,format =3D "i2s"; + simple-audio-card,name =3D "HDMI"; + simple-audio-card,mclk-fs =3D <512>; + + simple-audio-card,codec { + sound-dai =3D <&hdmi>; + }; + + simple-audio-card,cpu { + sound-dai =3D <&i2s>; + }; + }; }; =20 &cpu0 { @@ -283,6 +298,11 @@ &i2c5 { status =3D "okay"; }; =20 +&i2s { + #sound-dai-cells =3D <0>; + status =3D "okay"; +}; + &io_domains { status =3D "okay"; =20 --=20 2.34.1