From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BDC34CD5BAF for ; Thu, 21 May 2026 20:59:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=12vCAN8/IKOj1B4OZtBm7q9KqdAAZZi9m7JapFY+2rE=; b=tLtQO8MWaqz4E1 tFkUwpuMWeFyWP14LMQ4JR4nlkcbTTbzD/g7nOtYWUQf3ZKcIKrwMIisCd5SX1cDEpxjbZ0R3F/lQ c7l3hKj8s9oS3vKwFP3O0dBaYsTG/13yADymRrH7xk4xikNaoIl9CjoL8ie56XtdTExrXHl+oI0Fq 1nzRkLMTc3tQJrtH5dxskjbFu68v4sDEgDo6gBG29uIfPk7w8aEQ4EkI5uaeydqNEjqS0ahSIzLP1 XVxtOLXvPWlTexAt9IQ98XoVnkKJ17eBFn4iqTxjteUUiwxTtXVp1lKKaOOHCYV9jPo+Kx5+ScGo4 P9K7F/fdD8st432btttw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wQAU4-000000094vh-1V3B; Thu, 21 May 2026 20:59:12 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wQAU2-000000094v6-0N8P for linux-riscv@lists.infradead.org; Thu, 21 May 2026 20:59:11 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id C9C8941E40; Thu, 21 May 2026 20:59:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 039571F000E9; Thu, 21 May 2026 20:59:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779397149; bh=JRXpWEig6IbgIhldDiRCEMAQ6F9oQTz24NXw/74K8mc=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=fKYkeQtYytPYNhIhPJP87Uka/tb1YeGnCuv29j0jDp4xI31q0dS3IqvkmK1yUO7BG 5oEK0wZEzLMlD0/wZHooDxLbi/zvfcc+H5y/YK2yWmlG1b5tHRK4c1BdK5L+WlPZ1i AYImOHBhtgNAy+Xj1zazjLBG1TPTnmgXcSoYLtpq2SI//HP4gGedoqzdu10invJp6s kZvirlkT3Q5mBRTD3e21hiTzUf+sT6vwcgp3+zG6JBF02wrdIOvQoUMFtitZXqLWhT I2llN08cx0GKsP2VshhxQi/qOMxPcLDIKbImF9mN37t/dg0zNyN30kQOXBSG4iryaz 6/JAsI3Wx8pwQ== Message-ID: <1a4a54bc-1013-4ab0-85e9-7ad5cf7146cd@kernel.org> Date: Thu, 21 May 2026 22:59:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 7/9] riscv: dts: ultrarisc: add Rongda M0 board device tree To: wangjia@ultrarisc.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Linus Walleij , Bartosz Golaszewski , Samuel Holland Cc: Paul Walmsley , Palmer Dabbelt , Conor Dooley , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org References: <20260515-ultrarisc-pinctrl-v1-0-bf559589ea8a@ultrarisc.com> <20260515-ultrarisc-pinctrl-v1-7-bf559589ea8a@ultrarisc.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJoF1BKBQkWlnSaAAoJEBuTQ307 QWKbHukP/3t4tRp/bvDnxJfmNdNVn0gv9ep3L39IntPalBFwRKytqeQkzAju0whYWg+R/rwp +r2I1Fzwt7+PTjsnMFlh1AZxGDmP5MFkzVsMnfX1lGiXhYSOMP97XL6R1QSXxaWOpGNCDaUl ajorB0lJDcC0q3xAdwzRConxYVhlgmTrRiD8oLlSCD5baEAt5Zw17UTNDnDGmZQKR0fqLpWy 786Lm5OScb7DjEgcA2PRm17st4UQ1kF0rQHokVaotxRM74PPDB8bCsunlghJl1DRK9s1aSuN hL1Pv9VD8b4dFNvCo7b4hfAANPU67W40AaaGZ3UAfmw+1MYyo4QuAZGKzaP2ukbdCD/DYnqi tJy88XqWtyb4UQWKNoQqGKzlYXdKsldYqrLHGoMvj1UN9XcRtXHST/IaLn72o7j7/h/Ac5EL 8lSUVIG4TYn59NyxxAXa07Wi6zjVL1U11fTnFmE29ALYQEXKBI3KUO1A3p4sQWzU7uRmbuxn naUmm8RbpMcOfa9JjlXCLmQ5IP7Rr5tYZUCkZz08LIfF8UMXwH7OOEX87Y++EkAB+pzKZNNd hwoXulTAgjSy+OiaLtuCys9VdXLZ3Zy314azaCU3BoWgaMV0eAW/+gprWMXQM1lrlzvwlD/k whyy9wGf0AEPpLssLVt9VVxNjo6BIkt6d1pMg6mHsUEVzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmgXUF8FCRaWWyoACgkQG5NDfTtBYptO0w//dlXJs5/42hAXKsk+PDg3wyEFb4NpyA1v qmx7SfAzk9Hf6lWwU1O6AbqNMbh6PjEwadKUk1m04S7EjdQLsj/MBSgoQtCT3MDmWUUtHZd5 RYIPnPq3WVB47GtuO6/u375tsxhtf7vt95QSYJwCB+ZUgo4T+FV4hquZ4AsRkbgavtIzQisg Dgv76tnEv3YHV8Jn9mi/Bu0FURF+5kpdMfgo1sq6RXNQ//TVf8yFgRtTUdXxW/qHjlYURrm2 H4kutobVEIxiyu6m05q3e9eZB/TaMMNVORx+1kM3j7f0rwtEYUFzY1ygQfpcMDPl7pRYoJjB dSsm0ZuzDaCwaxg2t8hqQJBzJCezTOIkjHUsWAK+tEbU4Z4SnNpCyM3fBqsgYdJxjyC/tWVT AQ18NRLtPw7tK1rdcwCl0GFQHwSwk5pDpz1NH40e6lU+NcXSeiqkDDRkHlftKPV/dV+lQXiu jWt87ecuHlpL3uuQ0ZZNWqHgZoQLXoqC2ZV5KrtKWb/jyiFX/sxSrodALf0zf+tfHv0FZWT2 zHjUqd0t4njD/UOsuIMOQn4Ig0SdivYPfZukb5cdasKJukG1NOpbW7yRNivaCnfZz6dTawXw XRIV/KDsHQiyVxKvN73bThKhONkcX2LWuD928tAR6XMM2G5ovxLe09vuOzzfTWQDsm++9UKF a/A= In-Reply-To: <20260515-ultrarisc-pinctrl-v1-7-bf559589ea8a@ultrarisc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260521_135910_171376_AEFBD429 X-CRM114-Status: GOOD ( 15.11 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 15/05/2026 03:18, Jia Wang via B4 Relay wrote: > From: Jia Wang > > Rongda M0 is an mATX motherboard based on the UltraRISC DP1000 SoC. > > Signed-off-by: Jia Wang > --- > arch/riscv/boot/dts/Makefile | 1 + > arch/riscv/boot/dts/ultrarisc/Makefile | 2 + > .../dts/ultrarisc/dp1000-rongda-m0-pinctrl.dtsi | 85 ++++++++++++++++ > arch/riscv/boot/dts/ultrarisc/dp1000-rongda-m0.dts | 111 +++++++++++++++++++++ > 4 files changed, 199 insertions(+) > > diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile > index 69d8751fb17c..702882974251 100644 > --- a/arch/riscv/boot/dts/Makefile > +++ b/arch/riscv/boot/dts/Makefile > @@ -12,3 +12,4 @@ subdir-y += spacemit > subdir-y += starfive > subdir-y += tenstorrent > subdir-y += thead > +subdir-y += ultrarisc > diff --git a/arch/riscv/boot/dts/ultrarisc/Makefile b/arch/riscv/boot/dts/ultrarisc/Makefile > new file mode 100644 > index 000000000000..d01a770d3cba > --- /dev/null > +++ b/arch/riscv/boot/dts/ultrarisc/Makefile > @@ -0,0 +1,2 @@ > +# SPDX-License-Identifier: GPL-2.0 > +dtb-$(CONFIG_ARCH_ULTRARISC) += dp1000-rongda-m0.dtb > diff --git a/arch/riscv/boot/dts/ultrarisc/dp1000-rongda-m0-pinctrl.dtsi b/arch/riscv/boot/dts/ultrarisc/dp1000-rongda-m0-pinctrl.dtsi > new file mode 100644 > index 000000000000..101b416b1079 > --- /dev/null > +++ b/arch/riscv/boot/dts/ultrarisc/dp1000-rongda-m0-pinctrl.dtsi > @@ -0,0 +1,85 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright(C) 2026 UltraRISC Technology (Shanghai) Co., Ltd. > + */ > + > +#include "dp1000.dtsi" > + > +&pmx0 { > + i2c0_pins: i2c0-pins { > + pins = "PA12", "PA13"; > + function = "func0"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + i2c1_pins: i2c1-pins { > + pins = "PB6", "PB7"; > + function = "func0"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + i2c2_pins: i2c2-pins { > + pins = "PC0", "PC1"; > + function = "func0"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + i2c3_pins: i2c3-pins { > + pins = "PC2", "PC3"; > + function = "func0"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + pciex4a_link_pins: pciex4a-link-pins { > + pins = "PC0"; > + function = "func1"; > + bias-pull-down; > + drive-strength = <33>; > + }; > + > + pciex4b_link_pins: pciex4b-link-pins { > + pins = "PC1"; > + function = "func1"; > + bias-pull-down; > + drive-strength = <33>; > + }; > + > + spi0_pins: spi0-pins { > + pins = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7"; > + function = "func1"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + spi1_pins: spi1-pins { > + pins = "PA0", "PA1", "PA2", "PA3"; > + function = "func0"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + uart0_pins: uart0-pins { > + pins = "PA8", "PA9"; > + function = "func1"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + uart1_pins: uart1-pins { > + pins = "PB4", "PB5"; > + function = "func0"; > + bias-pull-up; > + drive-strength = <33>; > + }; > + > + uart2_pins: uart2-pins { > + pins = "PC4", "PC5"; > + function = "func0"; > + bias-pull-up; > + drive-strength = <33>; > + }; > +}; > diff --git a/arch/riscv/boot/dts/ultrarisc/dp1000-rongda-m0.dts b/arch/riscv/boot/dts/ultrarisc/dp1000-rongda-m0.dts > new file mode 100644 > index 000000000000..6f72d60ad55e > --- /dev/null > +++ b/arch/riscv/boot/dts/ultrarisc/dp1000-rongda-m0.dts > @@ -0,0 +1,111 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright(C) 2026 UltraRISC Technology (Shanghai) Co., Ltd. > + */ > + > +#include "dp1000-rongda-m0-pinctrl.dtsi" > +#include > + > +/ { > + model = "Rongda M0 Board"; > + compatible = "rongda,m0", "ultrarisc,dp1000"; > + > + aliases { > + serial0 = &uart0; > + serial1 = &uart1; > + serial2 = &uart2; > + serial3 = &uart3; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + gpio-poweroff { > + compatible = "gpio-poweroff"; > + gpios = <&gpio_b 0 GPIO_ACTIVE_HIGH>; > + active-delay-ms = <100>; > + > + status = "disabled"; Why is this disabled? You just added final board, so it cannot have any nodes disabled. Disabled at this point means you add dead code without explanation. Best regards, Krzysztof _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv