From nobody Sat Oct 4 01:43:47 2025 Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 917272EB5CB for ; Thu, 21 Aug 2025 22:20:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.118.77.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755814830; cv=none; b=qLZoNxPCvXqjDS0R9P0EAy/OJ+AeEUIdbxYbOP3HaC9UEwoLKKB4yMG0fyuKKHW+8M1nSElY/dCo/n3qOdCmm96tcjFl08FSA7IC5sg/n8Ia2Zdw8/A8/iwag+cS45AhSnDrEYjCzr2PxreyKngnMWQfIH3JAat9zQDUf7LCjkQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755814830; c=relaxed/simple; bh=E2D0ojtfQfljt2g5BHZXaTgJQmrEQSnKvsQlN8vt+E8=; h=From:Date:Subject:MIME-Version:Message-Id:In-Reply-To:To:Cc: Content-Type:References; b=nGXQSynIopWq++2dQQVdl88VwvFz4q9UJKYAQQxMhc0Jak8riXDSfOQ6pcXUHg7Iz8P35ZamPJFm00XmS9e1kHfu2UQmhlgvJfBBSftgHzCVFqN17Zm8LwVXNzhmpOtrVXwgaTDJ8XXO116b8ZwTw7sHe7Q5QkCwduXIaq7lWX0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=nnANpXzv; arc=none smtp.client-ip=210.118.77.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="nnANpXzv" Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout2.w1.samsung.com (KnoxPortal) with ESMTP id 20250821222024euoutp02e2474025696b64f401ca9dde418add68~d6Ee61Ow31912819128euoutp02C for ; Thu, 21 Aug 2025 22:20:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.w1.samsung.com 20250821222024euoutp02e2474025696b64f401ca9dde418add68~d6Ee61Ow31912819128euoutp02C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1755814824; bh=gneCQrlXfCS1M6JHy2pbR2786RoUV1TLbG9pNyV9Yj8=; h=From:Date:Subject:In-Reply-To:To:Cc:References:From; b=nnANpXzv9oOqMltL6sRyrhFj1THhUudYIYJIzTaNdIpB+xlG7FFdULNxjCxZ4yccT PtNeIkd6jDNLG/JbGLsZDDpwNiP44CUZEPV8W4dB6R0blCXQ3Xfey6qA56bQz2yFqJ MWwDk/MbRSmtjMYRFA/TTuj1CgtVgsRKIJ+0IOgM= Received: from eusmtip1.samsung.com (unknown [203.254.199.221]) by eucas1p1.samsung.com (KnoxPortal) with ESMTPA id 20250821222023eucas1p1805feda41e485de76c2981beb8b9102d~d6EdsDJTp2014520145eucas1p1N; Thu, 21 Aug 2025 22:20:23 +0000 (GMT) Received: from AMDC4942.eu.corp.samsungelectronics.net (unknown [106.210.136.40]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250821222022eusmtip148e5e33dfe91c2cac87b80f46bf4dbb4~d6EcsLE760253902539eusmtip1N; Thu, 21 Aug 2025 22:20:22 +0000 (GMT) From: Michal Wilczynski Date: Fri, 22 Aug 2025 00:20:17 +0200 Subject: [PATCH v13 3/4] riscv: dts: thead: th1520: Add IMG BXM-4-64 GPU node 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 Message-Id: <20250822-apr_14_for_sending-v13-3-af656f7cc6c3@samsung.com> In-Reply-To: <20250822-apr_14_for_sending-v13-0-af656f7cc6c3@samsung.com> To: Guo Ren , Fu Wei , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michal Wilczynski , Bartosz Golaszewski , Philipp Zabel , Frank Binns , Matt Coster , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Ulf Hansson , Marek Szyprowski , Drew Fustini Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dri-devel@lists.freedesktop.org, Bartosz Golaszewski X-Mailer: b4 0.15-dev X-CMS-MailID: 20250821222023eucas1p1805feda41e485de76c2981beb8b9102d X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20250821222023eucas1p1805feda41e485de76c2981beb8b9102d X-EPHeader: CA X-CMS-RootMailID: 20250821222023eucas1p1805feda41e485de76c2981beb8b9102d References: <20250822-apr_14_for_sending-v13-0-af656f7cc6c3@samsung.com> Add a device tree node for the IMG BXM-4-64 GPU present in the T-HEAD TH1520 SoC used by the Lichee Pi 4A board. This node enables support for the GPU using the drm/imagination driver. By adding this node, the kernel can recognize and initialize the GPU, providing graphics acceleration capabilities on the Lichee Pi 4A and other boards based on the TH1520 SoC. Add fixed clock gpu_mem_clk, as the MEM clock on the T-HEAD SoC can't be controlled programatically. Reviewed-by: Ulf Hansson Reviewed-by: Drew Fustini Reviewed-by: Bartosz Golaszewski Acked-by: Matt Coster Signed-off-by: Michal Wilczynski --- arch/riscv/boot/dts/thead/th1520.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/th= ead/th1520.dtsi index 42724bf7e90e08fac326c464d0f080e3bd2cd59b..6ae5c632205ba63248c0a119c03= bdfc084aac7a0 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -225,6 +225,13 @@ aonsys_clk: clock-73728000 { #clock-cells =3D <0>; }; =20 + gpu_mem_clk: mem-clk { + compatible =3D "fixed-clock"; + clock-frequency =3D <0>; + clock-output-names =3D "gpu_mem_clk"; + #clock-cells =3D <0>; + }; + stmmac_axi_config: stmmac-axi-config { snps,wr_osr_lmt =3D <15>; snps,rd_osr_lmt =3D <15>; @@ -500,6 +507,20 @@ clk: clock-controller@ffef010000 { #clock-cells =3D <1>; }; =20 + gpu: gpu@ffef400000 { + compatible =3D "thead,th1520-gpu", "img,img-bxm-4-64", + "img,img-rogue"; + reg =3D <0xff 0xef400000 0x0 0x100000>; + interrupt-parent =3D <&plic>; + interrupts =3D <102 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&clk_vo CLK_GPU_CORE>, + <&gpu_mem_clk>, + <&clk_vo CLK_GPU_CFG_ACLK>; + clock-names =3D "core", "mem", "sys"; + power-domains =3D <&aon TH1520_GPU_PD>; + resets =3D <&rst TH1520_RESET_ID_GPU>; + }; + rst: reset-controller@ffef528000 { compatible =3D "thead,th1520-reset"; reg =3D <0xff 0xef528000 0x0 0x4f>; --=20 2.34.1