From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out0.migadu.com (out0.migadu.com [94.23.1.103]) (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 157C51C17 for ; Wed, 17 Aug 2022 10:39:02 +0000 (UTC) Date: Wed, 17 Aug 2022 12:38:53 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1660732735; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type; bh=x8tFMvlRPhpG3H4y7S9dYO75uaJySBzRKmW0U0GxUMo=; b=AvQU+qHnb13YF/Z8f8vpqnf5sY4o7WYkRLX28/69P+Hvf5pkGb6Fv2bHQx6viETKWzbnmW U497OPHUB5MZUua5fofFcu5gk4vRMk8eAeaptOZxEGW5n/O1jP0DEPjcEODSLOBGP4y7sQ DcE+D4/ezgZbF81tkpPVg/JV0flolyM= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Richard Leitner To: imx@lists.linux.dev Subject: I2C_IMX support for i.MX8MP Message-ID: Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Hi list, Just found out about this imx ML and I'm not sure if it is also intended for questions, but I'll give it a try. Please correct me if I'm wrong. We are currently in the process of creating a BSP for a custom i.MX8MP based board which features 3 I2C busses. Unfortunately I'm currently unable to get them to live with the i2c-imx or i2c-imxlpi2c drivers. Using i2c-gpio (with adapted SW_MUX_CTL and unchanged SW_PAD_CTL) works fine. I'm aware of ERR007805 and tried therefore to configure the busses to 200kHz, but I don't get any signals/edges on the pins. So the basic question for me is (as I was unable to find any trustworthy answers on the net) if the i2c-imx driver supports the i.MX8MP at all? Any feedback is warmly welcome! regards;rl P.S. All tests were done with mainline linux 5.19.y. P.P.S I've also sent this mail to linux-imx@nxp.com before.