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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: 7bit 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/Makefile index 255f4403af91c1d6a22416ab694b8eab44bf98a2..6fd29c41f3660d29d0368e4f8772d46b0a3c414c 100644 --- a/arch/arm/boot/dts/vt8500/Makefile +++ b/arch/arm/boot/dts/vt8500/Makefile @@ -4,4 +4,5 @@ dtb-$(CONFIG_ARCH_VT8500) += \ 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/dts/vt8500/wm8950-apc-rock.dts new file mode 100644 index 0000000000000000000000000000000000000000..58b3c8deb4f20ae072bf1381f1dfa5e5adeb414a --- /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 = "VIA APC Rock"; + compatible = "via,apc-rock", "wm,wm8950"; + + memory@0 { + device_type = "memory"; + reg = <0x0 0x20000000>; + }; +}; + +&uart0 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/vt8500/wm8950.dtsi b/arch/arm/boot/dts/vt8500/wm8950.dtsi new file mode 100644 index 0000000000000000000000000000000000000000..31fba05d3c3e70b21a64d08b5cdf645102a1faf3 --- /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 differ */ +/include/ "wm8850.dtsi" + +/ { + compatible = "wm,wm8950"; +}; -- 2.49.0