From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 A56113F8EAB; Wed, 8 Jul 2026 07:49:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783496973; cv=none; b=iTMPCw58SD6ftssk+BKnsXLW+ZU6J3wEUZIRTO07lQywe3NCmiJW6CbM5FA9C+0VCGO2cVxXElSZTaRA4ZBxXVRMkJp1SdwGGjmAC5bZ2a/2sit4AsGhRegPj/ASJsdgzz32ekwKAWRiyqQDneh+soeHSmfoeAOMWGdt25v/UjU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783496973; c=relaxed/simple; bh=Mk083OPOAAfd08lOviDsFpuit5RlNZwp80hUPUoNoMk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=QR9zYOIxctu96G0ZAp50lDGm5ZnvA3Vw9hZ3YbkSfuI82CIYp7IVguOaKY6CFeKNWuE97ZsE40ckG+iPWVtWx69WjoaXBcfRLrFhSD7MTEo24CYGn6jOBn0aa+gBdzLymkIOIWGOyKqwtHKBLF8TR8wu3jnrhh8znoTkKlr1vEU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=DaFL18/h; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="DaFL18/h" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 4E0154E40CF0; Wed, 8 Jul 2026 07:49:12 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 20E8660337; Wed, 8 Jul 2026 07:49:12 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id F3A0A11BC3233; Wed, 8 Jul 2026 09:49:04 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1783496951; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:content-language:in-reply-to:references; bh=Mk083OPOAAfd08lOviDsFpuit5RlNZwp80hUPUoNoMk=; b=DaFL18/hjvSbR+iPd4tEOw8m+VKTK9tluCu18F++DB5/T4entFAyyG7NR/Ha2/ipUU09LN PzNww64s3Wcx4fCrRGMcF3PaV5cnhLjplw0mfIJajymRc1VfZZyL82xUBGQFbjxGtHPcde 8ANkIJ28fcQP/1Z+KZB3NcG7FiutuXkbjEY30We1HMbVpIsbi5twMkGGQkpejb//XbHDUE LTCy9YQV5pS8Iy/+h9U9V9Hbjf0WltclcymDqZnP6yNc7k7eJrvKPorHC28/as0D8WEATW PhcO1WpElpmyBl/dgcWu9P7JLloCGKH+UY/3YWxanz+zeYjWQfE66SCEE2kRrw== Message-ID: Date: Wed, 8 Jul 2026 09:49:04 +0200 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/2] pinctrl: upboard: add device id INTC1055 based UP boards support To: GaryWang Cc: Mika Westerberg , Andy Shevchenko , Linus Walleij , Daniele Cleri , JunYingLai , Louis Chen , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260706-upboard-pinctrl-add-upboard-intc1055-support-v4-0-cedce0802d3d@gmail.com> <20260706-upboard-pinctrl-add-upboard-intc1055-support-v4-2-cedce0802d3d@gmail.com> <65fef790-0e8d-4c29-bbd6-ed6b9dc65fc3@bootlin.com> Content-Language: en-US From: Thomas Richard In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Hello Gary, On 7/7/26 5:55 PM, GaryWang wrote: > On Tue, Jul 7, 2026 at 7:50 PM Thomas Richard > wrote: >> >> Hello Gary, >> >> On 7/6/26 12:36 PM, Gary Wang wrote: >>> Add support "UP Xtreme i12" and I2C/PWM/UART/SPI pins mapping data. >> >> Driver probes successfully on UP Xtreme i12. >> >> I tested the IOs: >> - pwm0 does not work. > you have to use our pwm kernel module for pwm test, I'll provide later. Ack >> - uart1 partially works: TX is okay, but loopback doesn't work. Signal >> is bad when I add a loopback. Looks like pinctrl misconfig on SoC side. > uart1 tested ok on our side, if you loop TX/RX do not forget to turn off > hardware flow control. and we have executed cmd as below to make sure > direction is set all right. > echo "uart1_grp uart1" > > /sys/kernel/debug/pinctrl/upboard-pinctrl/pinmux-select I did some tests with/without flow control using linux-serial-test tool. >> - i2c busses are okay. >> - for SPI, MOSI and CLK are okay, but not CS. > Do you have enabled spi in BIOS HAT configuration? > CS0 should be ok, it's SOC defined, CS1 is optional, users can activate low by > himself before read/write, actually all gpio can be manually used as CS pin. I applied an ACPI overlay. I'll test it again. >> - all GPIOs are okay. >> >> Could you have a look please. Anyway these are not related to this patch series. Thanks for the clarification. Tested-by: Thomas Richard Best Regards, Thomas