From patchwork Wed Jan 20 08:05:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saravana Kannan X-Patchwork-Id: 1429078 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=WXFajYaC; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DLJ8L4pkmz9sVS for ; Wed, 20 Jan 2021 19:09:22 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729818AbhATIJD (ORCPT ); Wed, 20 Jan 2021 03:09:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55514 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729643AbhATIG5 (ORCPT ); Wed, 20 Jan 2021 03:06:57 -0500 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6046EC0613D6 for ; Wed, 20 Jan 2021 00:05:28 -0800 (PST) Received: by mail-qk1-x749.google.com with SMTP id y187so22941656qke.20 for ; Wed, 20 Jan 2021 00:05:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=uGaUoM+E9lfomuo5VcB6+FBCFYFJdpblUN9bMb0KEQ8=; b=WXFajYaCVStBAKnz0wmB2RrIJ38/1vH//mTVPlMPb41/IhwYJkh+lPTxY4cx0w0w50 fArOq6D2XgX0y4Bo3onEcnRQ9phEiUsLnrfusOxat89NlAdQQm9p93P4AzfVIha1z/t9 QrXpm97SWljygpeLIS6G+W41y/CcfX8285AT/dVcGidwhI6PKrlOmv2qv4FlYlavSNle NWQiSDPLVy4CkmQqIeKZWZ8Mf/hC7LcaRT7F21eDu4HbDZfynn4hElcSIADLjfVgAVwU hcl0k69nFgk6t4yypuOwqCqc3tFltgbbtbwL4pWshP+Xu6W7zX03ckMKncpS1/DDjMyo NDoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=uGaUoM+E9lfomuo5VcB6+FBCFYFJdpblUN9bMb0KEQ8=; b=MmnuFYB/4Of4TtAN7ARe4iWqiRO0BE98RydRaFY3G3jO+YuvpuFOFdjhqTkO8xq2cj xtRa7ZPRcLfnboihep7Q6AFVtTb1LdNSDm4jHMulxPUt0PhRx4Vd95fNrpr0Ft6lUmWL B1UjOIsK/ddVxtUPiYdz6jedcBz8jwfpw/q1zTxap1npYBrJrxsQEpPgU4YTXhUXnZAy TQ8CUA++WHqvtDHN4DyT98J5AqHCIbPDmCFpJ3wNDHsPY6fz9frcYIZI0nXC8kJSALOU /26eLht3iKmT3Zwo87Zn1bGH+TPj7Ptc7qT5DIacdutJvuc+IEouNtWmfKRe22czToax Scjg== X-Gm-Message-State: AOAM532la/NyxnYG9OPXg/zFcFQWBm/rs4LEhTakxfC6kOuTb8I4u5Fs KE1FK9dsPB6X/yux8UVaerwfjqx8ebNMyok= X-Google-Smtp-Source: ABdhPJw7tNEQiVhvl/LJcPnKFL/dA/jCctKdfptjpMAvIQ5ksmAAJk6aEs0ccjbVgVaDM7oMM/eCKVnVTTZR6vE= Sender: "saravanak via sendgmr" X-Received: from saravanak.san.corp.google.com ([2620:15c:2d:3:7220:84ff:fe09:fedc]) (user=saravanak job=sendgmr) by 2002:a0c:f107:: with SMTP id i7mr8384314qvl.35.1611129927528; Wed, 20 Jan 2021 00:05:27 -0800 (PST) Date: Wed, 20 Jan 2021 00:05:20 -0800 In-Reply-To: <20210120080522.471120-1-saravanak@google.com> Message-Id: <20210120080522.471120-2-saravanak@google.com> Mime-Version: 1.0 References: <20210120080522.471120-1-saravanak@google.com> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog Subject: [PATCH v1 1/2] of: property: Add fw_devlink support for "gpio" and "gpios" binding From: Saravana Kannan To: Rob Herring , Frank Rowand , Greg Kroah-Hartman , Saravana Kannan Cc: linux-tegra , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Walleij , Bartosz Golaszewski , Geert Uytterhoeven , Jon Hunter , Marc Zyngier , Kevin Hilman , kernel-team@android.com Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org To provide backward compatibility for boards that use deprecated DT bindings, we need to add fw_devlink support for "gpio" and "gpios". Cc: linux-tegra Cc: Linus Walleij Cc: Bartosz Golaszewski Cc: Greg Kroah-Hartman Cc: Geert Uytterhoeven Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default") Tested-by: Jon Hunter Signed-off-by: Saravana Kannan Reviewed-by: Rob Herring Reviewed-by: Thierry Reding --- drivers/of/property.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/of/property.c b/drivers/of/property.c index 5f9eed79a8aa..0b256ce9d7d5 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -1271,6 +1271,24 @@ static struct device_node *parse_iommu_maps(struct device_node *np, return of_parse_phandle(np, prop_name, (index * 4) + 1); } +static struct device_node *parse_gpio_compat(struct device_node *np, + const char *prop_name, int index) +{ + struct of_phandle_args sup_args; + + if (strcmp(prop_name, "gpio") && strcmp(prop_name, "gpios")) + return NULL; + + if (of_find_property(np, "gpio-hog", NULL)) + return NULL; + + if (of_parse_phandle_with_args(np, prop_name, "#gpio-cells", index, + &sup_args)) + return NULL; + + return sup_args.np; +} + static const struct supplier_bindings of_supplier_bindings[] = { { .parse_prop = parse_clocks, }, { .parse_prop = parse_interconnects, }, @@ -1296,6 +1314,7 @@ static const struct supplier_bindings of_supplier_bindings[] = { { .parse_prop = parse_pinctrl6, }, { .parse_prop = parse_pinctrl7, }, { .parse_prop = parse_pinctrl8, }, + { .parse_prop = parse_gpio_compat, }, { .parse_prop = parse_regulators, }, { .parse_prop = parse_gpio, }, { .parse_prop = parse_gpios, },