From nobody Tue Feb 10 14:32:17 2026 Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA619328B45; Wed, 24 Dec 2025 16:13:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766592791; cv=none; b=EqVUPNm605luwk2z/RlCakeCYEyVRDbl38cThZ7CdN8J6+90LjiclsHPHwpWoZWOwAblTZogtL2W5g2KhJurPjIr6R195aFHytzBLNynUmmZcioaxAlOce69wtSLWOujRr4kY0QgX2ZXYEyLbBeeQkFCKdldmWyeHJUsZwehssU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766592791; c=relaxed/simple; bh=J8T4EJOyjsPMDZXz5D4i16TvBQkEWATelnU8cEjgzio=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VGnDg9KEgqAd2H+Dhmu0ntu2+aYUCD/GOqDaWxkA5ew9TJkJLnDET2wTzRs9frxP9O7RvlhGwZRFWxNjQemiEKmmIsriy/4JDWis3xT1jii16DXXz5grUYKjzfvWkJpM3pyPsnjJCPmuhk//9vGlX2FIGI4U4SwettfgYi5c1RI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from edelgard.fodlan.icenowy.me (unknown [112.94.100.54]) by APP-05 (Coremail) with SMTP id zQCowAA3yw7WEExpgGPNAQ--.14041S8; Thu, 25 Dec 2025 00:12:22 +0800 (CST) From: Icenowy Zheng To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Drew Fustini , Guo Ren , Fu Wei , Philipp Zabel , Heiko Stuebner , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Michal Wilczynski Cc: Han Gao , Yao Zi , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Icenowy Zheng , Icenowy Zheng Subject: [PATCH v4 6/9] riscv: dts: thead: add DPU and HDMI device tree nodes Date: Thu, 25 Dec 2025 00:12:02 +0800 Message-ID: <20251224161205.1132149-7-zhengxingda@iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251224161205.1132149-1-zhengxingda@iscas.ac.cn> References: <20251224161205.1132149-1-zhengxingda@iscas.ac.cn> 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 X-CM-TRANSID: zQCowAA3yw7WEExpgGPNAQ--.14041S8 X-Coremail-Antispam: 1UD129KBjvJXoW7ZF47Gw43GFyxZF4DArWkZwb_yoW5JFyfp3 WSkF4ftFWvkF1S9a13JryIqrWrGFn5AFy8WwnxtryUCay3WFW2g3yIyr95JFykJFy7Zwnx AF1qvr10ka13tw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmv14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26r4j6F4UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr0_ Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6x IIjxv20xvE14v26r1Y6r17McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_ Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8c xan2IY04v7MxkF7I0En4kS14v26r4a6rW5MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCj c4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4 CE17CEb7AF67AKxVW8ZVWrXwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1I6r4U MIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJV WUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJrUv cSsGvfC2KfnxnUUI43ZEXa7sRRjg43UUUUU== X-CM-SenderInfo: x2kh0wp0lqwv3d6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" From: Icenowy Zheng T-Head TH1520 SoC contains a Verisilicon DC8200 display controller (called DPU in manual) and a Synopsys DesignWare HDMI TX controller. Add device tree nodes to them. Signed-off-by: Icenowy Zheng Signed-off-by: Icenowy Zheng Tested-by: Han Gao --- No changes in v4. Changes in v3: - Adapting to the changed binding. No changes in v2. arch/riscv/boot/dts/thead/th1520.dtsi | 70 +++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/th= ead/th1520.dtsi index bd5d33840884e..5c0a7072f253a 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -585,6 +585,76 @@ clk_vo: clock-controller@ffef528050 { #clock-cells =3D <1>; }; =20 + hdmi: hdmi@ffef540000 { + compatible =3D "thead,th1520-dw-hdmi"; + reg =3D <0xff 0xef540000 0x0 0x40000>; + reg-io-width =3D <4>; + interrupts =3D <111 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&clk_vo CLK_HDMI_PCLK>, + <&clk_vo CLK_HDMI_SFR>, + <&clk_vo CLK_HDMI_CEC>, + <&clk_vo CLK_HDMI_PIXCLK>; + clock-names =3D "iahb", "isfr", "cec", "pix"; + resets =3D <&rst TH1520_RESET_ID_HDMI>, + <&rst TH1520_RESET_ID_HDMI_APB>; + reset-names =3D "main", "apb"; + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + hdmi_in: endpoint { + remote-endpoint =3D <&dpu_out_dp1>; + }; + }; + + hdmi_out_port: port@1 { + reg =3D <1>; + }; + }; + }; + + dpu: display@ffef600000 { + compatible =3D "thead,th1520-dc8200", "verisilicon,dc"; + reg =3D <0xff 0xef600000 0x0 0x100000>; + interrupts =3D <93 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&clk_vo CLK_DPU_CCLK>, + <&clk_vo CLK_DPU_ACLK>, + <&clk_vo CLK_DPU_HCLK>, + <&clk_vo CLK_DPU_PIXELCLK0>, + <&clk_vo CLK_DPU_PIXELCLK1>; + clock-names =3D "core", "axi", "ahb", "pix0", "pix1"; + resets =3D <&rst TH1520_RESET_ID_DPU_CORE>, + <&rst TH1520_RESET_ID_DPU_AXI>, + <&rst TH1520_RESET_ID_DPU_AHB>; + reset-names =3D "core", "axi", "ahb"; + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + dpu_port0: port@0 { + reg =3D <0>; + }; + + dpu_port1: port@1 { + reg =3D <1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + dpu_out_dp1: endpoint@1 { + reg =3D <1>; + remote-endpoint =3D <&hdmi_in>; + }; + }; + }; + }; + dmac0: dma-controller@ffefc00000 { compatible =3D "snps,axi-dma-1.01a"; reg =3D <0xff 0xefc00000 0x0 0x1000>; --=20 2.52.0