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Thu, 03 Sep 2026 01:27:28 -0700 (PDT) Received: from Aaron-M6 ([188.253.120.162]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1431f86504fsm2135193c88.4.2026.09.03.01.27.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2026 01:27:27 -0700 (PDT) From: Yaozhong Li To: heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Yaozhong Li Subject: [PATCH 2/2] arm64: dts: rockchip: enable HDMI audio on rk3399-firefly Date: Thu, 3 Sep 2026 16:27:13 +0800 Message-ID: <20260903082713.192-2-yaozhonguwl@gmail.com> X-Mailer: git-send-email 2.55.0.windows.3 In-Reply-To: <20260903082713.192-1-yaozhonguwl@gmail.com> References: <20260903082713.192-1-yaozhonguwl@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260903_092730_845680_D6AEA69B X-CRM114-Status: GOOD ( 10.62 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org The Firefly-RK3399 exposes audio over its HDMI 2.0 connector, but hdmi_sound is left disabled, so the only outputs available are the analog rt5640 jacks and S/PDIF. Enable it. This depends on i2s0 no longer being enabled, otherwise i2s2 cannot get a DMA channel for capture and the card fails to probe. Tested on a Firefly-RK3399 board with a 1920x1080 display attached: the hdmi-sound card is registered and plays at both 44.1 and 48 kHz, alongside the existing rt5640 and S/PDIF cards. Signed-off-by: Yaozhong Li --- arch/arm64/boot/dts/rockchip/rk3399-firefly.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts index fa1b8b8..3d1f84f 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts @@ -311,6 +311,10 @@ &hdmi { status = "okay"; }; +&hdmi_sound { + status = "okay"; +}; + &i2c0 { clock-frequency = <400000>; i2c-scl-rising-time-ns = <168>; -- 2.55.0.windows.3 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip