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 X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 706D9C433B4 for ; Sat, 3 Apr 2021 14:00:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3FD91611ED for ; Sat, 3 Apr 2021 14:00:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236380AbhDCOAO (ORCPT ); Sat, 3 Apr 2021 10:00:14 -0400 Received: from ciao.gmane.io ([116.202.254.214]:44846 "EHLO ciao.gmane.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230440AbhDCOAN (ORCPT ); Sat, 3 Apr 2021 10:00:13 -0400 Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lSgoq-0004SF-U2 for devicetree@vger.kernel.org; Sat, 03 Apr 2021 16:00:08 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: devicetree@vger.kernel.org From: "Andrey Jr. Melnikov" Subject: Re: [PATCH v5 1/2] pinctrl: Add driver for Awinic AW9523/B I2C GPIO Expander Date: Sat, 3 Apr 2021 16:48:13 +0300 Message-ID: References: <20210125182219.213214-1-angelogioacchino.delregno@somainline.org> User-Agent: tin/2.2.1-20140504 ("Tober an Righ") (UNIX) (Linux/4.4.66-bananian (armv7l)) Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org In gmane.linux.kernel.gpio AngeloGioacchino Del Regno wrote: > The Awinic AW9523(B) is a multi-function I2C gpio expander in a > TQFN-24L package, featuring PWM (max 37mA per pin, or total max > power 3.2Watts) for LED driving capability. > It has two ports with 8 pins per port (for a total of 16 pins), > configurable as either PWM with 1/256 stepping or GPIO input/output, > 1.8V logic input; each GPIO can be configured as input or output > independently from each other. I can't see where PWM output registers is programmed. I'm rightly understands - this driver for GPIO only? > This IC also has an internal interrupt controller, which is capable > of generating an interrupt for each GPIO, depending on the > configuration, and will raise an interrupt on the INTN pin to > advertise this to an external interrupt controller.