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Fri, 25 Apr 2025 08:02:31 -0700 (PDT) From: Alexey Charkov Date: Fri, 25 Apr 2025 19:02:22 +0400 Subject: [PATCH v5 1/2] dt-bindings: arm: vt8500: Add VIA APC Rock/Paper boards Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250425-apc_paper_binding-v5-1-3aef49e97332@gmail.com> References: <20250425-apc_paper_binding-v5-0-3aef49e97332@gmail.com> In-Reply-To: <20250425-apc_paper_binding-v5-0-3aef49e97332@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Krzysztof Kozlowski Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexey Charkov , Conor Dooley X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745593359; l=1490; i=alchark@gmail.com; s=20250416; h=from:subject:message-id; bh=eITcbj1L60r7L2HnV6pDbRtxNcGPDn1rrU3xxeHimUk=; b=1I8MCnYO5+9K1wrul6CZEDvk6WpFKf+Jm2p5Tf+u9qQNVpzU/Ft/EfKLhqbPcjGB/43ogYBps X4/iVJ8KfmMCuV66U5v9c31Ehldxt+7VRx7UB+N+KBbdkttJghOWvMH X-Developer-Key: i=alchark@gmail.com; a=ed25519; pk=ltKbQzKLTJPiDgPtcHxdo+dzFthCCMtC3V9qf7+0rkc= APC Rock is a development board based on WonderMedia WM8950 SoC released around 2013. Paper is the same as Rock but lacking a VGA port and shipped with a recycled cardboard case. While at that, put myself as the maintainer, given that Tony is unavailable as of lately. Acked-by: Conor Dooley Signed-off-by: Alexey Charkov --- Documentation/devicetree/bindings/arm/vt8500.yaml | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/vt8500.yaml b/Documentat= ion/devicetree/bindings/arm/vt8500.yaml index 5d5ad5a60451f569e6ef30c924a1964d02e1aa82..fa47b8989bbfb3001ae7bf6b6db= 4ef16132f047a 100644 --- a/Documentation/devicetree/bindings/arm/vt8500.yaml +++ b/Documentation/devicetree/bindings/arm/vt8500.yaml @@ -7,14 +7,13 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: VIA/Wondermedia VT8500 Platforms =20 maintainers: - - Tony Prisk -description: test + - Alexey Charkov =20 properties: $nodename: const: '/' compatible: - items: + oneOf: - enum: - via,vt8500 - wm,wm8505 @@ -22,4 +21,9 @@ properties: - wm,wm8750 - wm,wm8850 =20 + - description: VIA APC Rock and Paper boards + items: + - const: via,apc-rock + - const: wm,wm8950 + additionalProperties: true --=20 2.49.0 From nobody Sun Feb 8 12:28:16 2026 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 31185274678; 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Fri, 25 Apr 2025 08:02:38 -0700 (PDT) Received: from NB-GIGA003.letovo.school ([5.194.95.139]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b15f76f45bcsm2996984a12.13.2025.04.25.08.02.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Apr 2025 08:02:38 -0700 (PDT) From: Alexey Charkov Date: Fri, 25 Apr 2025 19:02:23 +0400 Subject: [PATCH v5 2/2] ARM: dts: vt8500: Add VIA APC Rock/Paper board Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250425-apc_paper_binding-v5-2-3aef49e97332@gmail.com> References: <20250425-apc_paper_binding-v5-0-3aef49e97332@gmail.com> In-Reply-To: <20250425-apc_paper_binding-v5-0-3aef49e97332@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Krzysztof Kozlowski Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexey Charkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745593359; l=2603; i=alchark@gmail.com; s=20250416; h=from:subject:message-id; bh=dxmjWywiK0Xyl1oGWV/pydlU53vhd1+AcfgyENDB0jE=; b=PxBRFd+DlojZ4UuFSxtTkoHa3ihmZ8vGszUhdjVd8fvssBYzBTNSzR87aR80bopVOFFfEd9Me g5o2t+bOzVOBu8dOaCXjoXuj0ASUJKLmYVJYYyCBF7GaH7t5CJ6KtX7 X-Developer-Key: i=alchark@gmail.com; a=ed25519; pk=ltKbQzKLTJPiDgPtcHxdo+dzFthCCMtC3V9qf7+0rkc= APC Rock is a development board based on WonderMedia WM8590 released around 2013. Paper is the same board, but with the VGA port left unpopulated, and shipped with a recycled cardboard case Its hardware includes: * Single-core Cortex-A9 CPU at 800 MHz * 512MB DDR3 RAM * 4GB NAND flash * 8MB SPI NOR flash * ARM Mali-400 GPU * HDMI output (type A) capable of 1080p * VGA output (on Rock, but not on Paper) * 2x USB 2.0 type A * 1x USB 2.0 OTG (microUSB connector) * microSD slot * 10/100M Ethernet * 3.5mm minijack connector with combined headphones/mic * Half-height miniPCIe slot (with only USB 2.0 signals) Signed-off-by: Alexey Charkov --- arch/arm/boot/dts/vt8500/Makefile | 3 ++- arch/arm/boot/dts/vt8500/wm8950-apc-rock.dts | 21 +++++++++++++++++++++ arch/arm/boot/dts/vt8500/wm8950.dtsi | 11 +++++++++++ 3 files changed, 34 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/vt8500/Makefile b/arch/arm/boot/dts/vt8500/M= akefile index 255f4403af91c1d6a22416ab694b8eab44bf98a2..6fd29c41f3660d29d0368e4f877= 2d46b0a3c414c 100644 --- a/arch/arm/boot/dts/vt8500/Makefile +++ b/arch/arm/boot/dts/vt8500/Makefile @@ -4,4 +4,5 @@ dtb-$(CONFIG_ARCH_VT8500) +=3D \ wm8505-ref.dtb \ wm8650-mid.dtb \ wm8750-apc8750.dtb \ - wm8850-w70v2.dtb + wm8850-w70v2.dtb \ + wm8950-apc-rock.dtb diff --git a/arch/arm/boot/dts/vt8500/wm8950-apc-rock.dts b/arch/arm/boot/d= ts/vt8500/wm8950-apc-rock.dts new file mode 100644 index 0000000000000000000000000000000000000000..58b3c8deb4f20ae072bf1381f1d= fa5e5adeb414a --- /dev/null +++ b/arch/arm/boot/dts/vt8500/wm8950-apc-rock.dts @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2025 Alexey Charkov + */ + +/dts-v1/; +/include/ "wm8950.dtsi" + +/ { + model =3D "VIA APC Rock"; + compatible =3D "via,apc-rock", "wm,wm8950"; + + memory@0 { + device_type =3D "memory"; + reg =3D <0x0 0x20000000>; + }; +}; + +&uart0 { + status =3D "okay"; +}; diff --git a/arch/arm/boot/dts/vt8500/wm8950.dtsi b/arch/arm/boot/dts/vt850= 0/wm8950.dtsi new file mode 100644 index 0000000000000000000000000000000000000000..31fba05d3c3e70b21a64d08b5cd= f645102a1faf3 --- /dev/null +++ b/arch/arm/boot/dts/vt8500/wm8950.dtsi @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2025 Alexey Charkov + */ + +/* No differences have been discovered vs. WM8850, but chip markings diffe= r */ +/include/ "wm8850.dtsi" + +/ { + compatible =3D "wm,wm8950"; +}; --=20 2.49.0