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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 992D3C433E0 for ; Wed, 30 Dec 2020 15:43:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70B8220771 for ; Wed, 30 Dec 2020 15:43:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726323AbgL3PnR (ORCPT ); Wed, 30 Dec 2020 10:43:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726293AbgL3PnQ (ORCPT ); Wed, 30 Dec 2020 10:43:16 -0500 Received: from mail-qt1-x830.google.com (mail-qt1-x830.google.com [IPv6:2607:f8b0:4864:20::830]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BD55C06179C; Wed, 30 Dec 2020 07:42:36 -0800 (PST) Received: by mail-qt1-x830.google.com with SMTP id g24so11113255qtq.12; Wed, 30 Dec 2020 07:42:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=N4Z6AhJilnlXeLxA+iKYxp/M8/ETHwPd3nAZGuYmO/s=; b=Qh3jayu1EDCyj1NDcIhdiMYAFauCpIi72rDar6XiBey1YDB3kZGayzwkgNVsgqygVC +txHiPGc+U0PkyZmX9TXFUj168YPbQL63vPavBfuyPBFynfu0YH7qRlJ1Ib3AQnL/p9Q pneFrTb9LusyZvNyI73rdkfvgesM0Lg8tZPxzo24o1+FM/xntFDBXcKsdd/QAPnuA1kR TpSwXYx6/1eq6HGPv0xhrNuXwDmOpUB/yHI/rUzeUwuF5Xcq2R95KBMVjUozpnn2gXcj /BVE0jaiK1Or0wAI5IIykWTg4ZqHhrE4Qqu8hc4Kxl7rF4pxKlgFvaRuXGOi9VRTjo2k BzEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=N4Z6AhJilnlXeLxA+iKYxp/M8/ETHwPd3nAZGuYmO/s=; b=d02TockTmSEBw5Txcvq1H5T4d0njCX+NMT0IZI07nbG2TtMUUyZ95jYWWl4fARHzjB 4e/PUKn4iv+crUVLbDiE8MeIxy99i0eHoG3aY0Quo3RcKp9nR6v5bPeyZz67b33G+N1O zu4tWi0zB+TEOYntrWcn3BUnWayAavXEQWVPoRDg4RvzPLJ/z3DT7QVKRRqE79t62la/ LuQhb3CRMNAkDQx5kvfP1RlPuV34Xh0jMvyV/8gfi/WvtdldHqsPiGogukPTd3VHvdr3 dzyCujQXf6+qIIpMNKlLARQQds4zJ0V6sZR69YY3XtxT8DNtw3qAX/piP8hVoLUGHeAC orhA== X-Gm-Message-State: AOAM532in2GL75Rz60LBeKCrJHRMqFlek60oMDAROJo0zLxI57d9c61g YWiYY90L6AWobIyiaTnnZEA= X-Google-Smtp-Source: ABdhPJwLzrAA8bfqbq7xJ5AdFzGW25KDDu80eJT2wAHRDXJp3zApbSftBMYNsESHMCu7I2PX5Ul0nQ== X-Received: by 2002:ac8:4545:: with SMTP id z5mr52269936qtn.356.1609342955645; Wed, 30 Dec 2020 07:42:35 -0800 (PST) Received: from localhost.localdomain ([2804:14c:482:a80:d66:6051:ad08:aa32]) by smtp.gmail.com with ESMTPSA id o4sm26694832qta.26.2020.12.30.07.42.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Dec 2020 07:42:34 -0800 (PST) From: Fabio Estevam To: linus.walleij@linaro.org Cc: robh+dt@kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, sandor.yu@nxp.com, Sandor Yu , Fabio Estevam Subject: [PATCH 2/2] gpio: 74x164: Introduce the 'registers-default' property Date: Wed, 30 Dec 2020 12:41:07 -0300 Message-Id: <20201230154107.4151-2-festevam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201230154107.4151-1-festevam@gmail.com> References: <20201230154107.4151-1-festevam@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Sandor Yu On the imx7d-sdb board, there is one output pin of the 74x164 that controls all peripherals power supply (PERI_3V). This pin should be at high voltage level when the 74x164 is probed, otherwise the modules dependent on PERI_3V3 will not be powered. Add a new optional property called 'registers-default' that allows describing the default output value for each shift register. Signed-off-by: Sandor Yu Signed-off-by: Fabio Estevam --- drivers/gpio/gpio-74x164.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index 05637d585152..4be51ee4d44c 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -141,6 +141,9 @@ static int gen_74x164_probe(struct spi_device *spi) chip->registers = nregs; chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers; + of_property_read_u8_array(spi->dev.of_node, "registers-default", + chip->buffer, chip->registers); + chip->gpio_chip.can_sleep = true; chip->gpio_chip.parent = &spi->dev; chip->gpio_chip.owner = THIS_MODULE; -- 2.17.1