From patchwork Fri Nov 27 05:21:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: linsheng_111@163.com X-Patchwork-Id: 333838 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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 6F45AC2D0E4 for ; Fri, 27 Nov 2020 05:23:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1567021D7F for ; Fri, 27 Nov 2020 05:23:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="R8BM8/vl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729422AbgK0FWy (ORCPT ); Fri, 27 Nov 2020 00:22:54 -0500 Received: from m12-18.163.com ([220.181.12.18]:59772 "EHLO m12-18.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729100AbgK0FWy (ORCPT ); Fri, 27 Nov 2020 00:22:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=lmgddvHtAi5SdHCftt KJz4DYN1iYMVB/xgJ/V1LKoCk=; b=R8BM8/vlkT+tsLpWQrvFzKdF3WjF4n60Kv pDgJ4rg4HksCHlmGz8fJ7C/bgSmTepjx3bwZj1nEG9u6gNF3Hy71w4dTVRkszhn6 0xo7UAdPGgqokb1yuOKk27LwSOdEzi5qu8A4LuHMlbBpfRozMPvF5EaNWACTnUyv myQwGWsTA= Received: from localhost.localdomain (unknown [115.238.52.186]) by smtp14 (Coremail) with SMTP id EsCowAB3t_6_jMBfeM8wGg--.52279S3; Fri, 27 Nov 2020 13:21:04 +0800 (CST) From: linsheng_111@163.com To: linus.walleij@linaro.org, khilman@baylibre.com, narmstrong@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, linshenghuan@hangtu-china.com Cc: linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, Lin shenghuan Subject: [PATCH] add amlogic gpio to irq Date: Fri, 27 Nov 2020 13:21:02 +0800 Message-Id: <1606454462-3826-1-git-send-email-linsheng_111@163.com> X-Mailer: git-send-email 2.7.4 Signed-off-by: Lin shenghuan X-CM-TRANSID: EsCowAB3t_6_jMBfeM8wGg--.52279S3 X-Coremail-Antispam: 1Uf129KBjvJXoWxJFy3Zr4xtw47Kr45Kr48WFg_yoW5WF45pF 43GFyYyr13JF47WryrAanrAFW3K3WxJFW2gay7Ka97uw13GFyDtFy29FW5Zrs8WrW5CF4r Jr4rGFWUWr45AFUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07UlPfLUUUUU= X-Originating-IP: [115.238.52.186] X-CM-SenderInfo: polq2x5hqjsiirr6il2tof0z/1tbipADpOlr7rnYvbQAAsM Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Lin shenghuan --- drivers/pinctrl/meson/pinctrl-meson.c | 36 +++++++++++++++++++++++++++++++++++ drivers/pinctrl/meson/pinctrl-meson.h | 1 + 2 files changed, 37 insertions(+) diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index 20683cd..b91ff2c 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -51,6 +51,7 @@ #include #include #include +#include #include "../core.h" #include "../pinctrl-utils.h" @@ -598,6 +599,34 @@ static int meson_gpio_get(struct gpio_chip *chip, unsigned gpio) return !!(val & BIT(bit)); } +static int meson_gpio_to_irq(struct gpio_chip *chip, unsigned int gpio) +{ + struct meson_pinctrl *pc = gpiochip_get_data(chip); + struct meson_bank *bank; + struct irq_fwspec fwspec; + int hwirq; + + if (meson_get_bank(pc, gpio, &bank)) + return -EINVAL; + + if (bank->irq_first < 0) { + dev_warn(pc->dev, "no support irq for pin[%d]\n", gpio); + return -EINVAL; + } + if (!pc->of_irq) { + dev_err(pc->dev, "invalid device node of gpio INTC\n"); + return -EINVAL; + } + + hwirq = gpio - bank->first + bank->irq_first; + fwspec.fwnode = of_node_to_fwnode(pc->of_irq); + fwspec.param_count = 2; + fwspec.param[0] = hwirq; + fwspec.param[1] = IRQ_TYPE_NONE; + + return irq_create_fwspec_mapping(&fwspec); +} + static int meson_gpiolib_register(struct meson_pinctrl *pc) { int ret; @@ -612,6 +641,7 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc) pc->chip.direction_output = meson_gpio_direction_output; pc->chip.get = meson_gpio_get; pc->chip.set = meson_gpio_set; + pc->chip.to_irq = meson_gpio_to_irq; pc->chip.base = -1; pc->chip.ngpio = pc->data->num_pins; pc->chip.can_sleep = false; @@ -682,6 +712,12 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc, pc->of_node = gpio_np; + pc->of_irq = of_find_compatible_node(NULL, + NULL, "amlogic,meson-gpio-intc"); + if (!pc->of_irq) + pc->of_irq = of_find_compatible_node(NULL, + NULL, "amlogic,meson-gpio-intc-ext"); + pc->reg_mux = meson_map_resource(pc, gpio_np, "mux"); if (IS_ERR_OR_NULL(pc->reg_mux)) { dev_err(pc->dev, "mux registers not found\n"); diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h index f8b0ff9..0f808bb 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.h +++ b/drivers/pinctrl/meson/pinctrl-meson.h @@ -131,6 +131,7 @@ struct meson_pinctrl { struct regmap *reg_ds; struct gpio_chip chip; struct device_node *of_node; + struct device_node *of_irq; }; #define FUNCTION(fn) \