From patchwork Mon Sep 9 18:37:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Patchwork-Id: 13797422 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 02D35ECE585 for ; Mon, 9 Sep 2024 18:40:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=g5O1hSP9ShQ3GpoHpKJEsEgUvB/OL86E7+XNgv67eC0=; b=r4PmqA63SQe+Tz1VKfIHq5qway WRiqfc0Jiaq9AWwM0vvyFqSr01vsqL7YszLTLrHTCFJNoFAZuVqjRJdJC7quor4e1MgRZ2CNjXIY1 2dHOyi0LS2IWA0JXLJ3aQiKKL0Xi+WKXznzSvzxlEG1AWsomPDUpldFCsQINI0ZQGPfP41EKw/u33 sVthcKdhYgopEisUGHK4mZcHipQCTVa9OUPhcPJZF485CI2cLlvoV2ZRH65GcmOljCrjdwXMKTnPP qy1/tS0niRGej1RgCTuN1/37HmxZNqMABXRKHKMbMKR8tbDFRwEeX/AS+6ewQDEWXgdroAW+T8W5i Q/HDP3Dw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1snjJF-00000002zp4-3RZJ; Mon, 09 Sep 2024 18:40:21 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1snjHE-00000002zLy-3Jdc; Mon, 09 Sep 2024 18:38:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1725907095; bh=V9HT+WFFbtvEODO7OkoAPU0v0W0Jmx2Vc+VBObPr39M=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=A+pCizIEC6YstPQ3l+iqEHe024H211npMNG0BUJmMNDTe4frB3G1Bigc/1YiYXY8w FyuznWXFONgb823F7NQzNTWLbulMhp14dWpwrZSHrWeYap6B2pZmKsPOR9I0KFkjI8 xoZmbHVW3itf5hqCx4TWVR4SA3k1cc6rDkQhym1Lpl2UMvdKTzi2/bktktZZ9hb09F AL10duXmNzRKHTNUz0AhfoA7AbDpVeU31luw5LhzeBfszoIG5WWpPEX0BT/8qVCzlF pODNtPSNigKoWIMdhLyihKTbpIP+f+M8i8jq8G354FlNCiOv/ej7HdET4e6ifYEL2j 1sOgI0iE6th5w== Received: from [192.168.1.95] (pool-100-2-116-133.nycmny.fios.verizon.net [100.2.116.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by bali.collaboradmins.com (Postfix) with ESMTPSA id AB12017E35FD; Mon, 9 Sep 2024 20:38:13 +0200 (CEST) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Mon, 09 Sep 2024 14:37:32 -0400 Subject: [PATCH RFC 1/3] pinctrl: mediatek: paris: Expose more configurations to GPIO set_config MIME-Version: 1.0 Message-Id: <20240909-kselftest-gpio-set-get-config-v1-1-16a065afc3c1@collabora.com> References: <20240909-kselftest-gpio-set-get-config-v1-0-16a065afc3c1@collabora.com> In-Reply-To: <20240909-kselftest-gpio-set-get-config-v1-0-16a065afc3c1@collabora.com> To: Sean Wang , Linus Walleij , Matthias Brugger , AngeloGioacchino Del Regno , Bamvor Jian Zhang , Shuah Khan Cc: kernel@collabora.com, linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, kernelci@lists.linux.dev, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Mailer: b4 0.14.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240909_113817_005634_AEAE4314 X-CRM114-Status: GOOD ( 14.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Currently the set_config callback in the gpio_chip registered by the pinctrl_paris driver only supports PIN_CONFIG_INPUT_DEBOUNCE, despite many other configurations already being implemented and available through the pinctrl API for configuration of pins by the Devicetree and other drivers. Expose all configurations currently implemented through the GPIO API so they can also be set from userspace, which is particularly useful to allow testing them from userspace. Signed-off-by: Nícolas F. R. A. Prado --- drivers/pinctrl/mediatek/pinctrl-paris.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c index e12316c42698..668f8055a544 100644 --- a/drivers/pinctrl/mediatek/pinctrl-paris.c +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c @@ -255,10 +255,9 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev, return err; } -static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, +static int mtk_pinconf_set(struct mtk_pinctrl *hw, unsigned int pin, enum pin_config_param param, u32 arg) { - struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev); const struct mtk_pin_desc *desc; int err = -ENOTSUPP; u32 reg; @@ -795,7 +794,7 @@ static int mtk_pconf_group_set(struct pinctrl_dev *pctldev, unsigned group, int i, ret; for (i = 0; i < num_configs; i++) { - ret = mtk_pinconf_set(pctldev, grp->pin, + ret = mtk_pinconf_set(hw, grp->pin, pinconf_to_config_param(configs[i]), pinconf_to_config_argument(configs[i])); if (ret < 0) @@ -937,18 +936,19 @@ static int mtk_gpio_set_config(struct gpio_chip *chip, unsigned int offset, { struct mtk_pinctrl *hw = gpiochip_get_data(chip); const struct mtk_pin_desc *desc; - u32 debounce; + enum pin_config_param param = pinconf_to_config_param(config); + u32 arg = pinconf_to_config_argument(config); desc = (const struct mtk_pin_desc *)&hw->soc->pins[offset]; - if (!hw->eint || - pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE || - desc->eint.eint_n == EINT_NA) - return -ENOTSUPP; + if (param == PIN_CONFIG_INPUT_DEBOUNCE) { + if (!hw->eint || desc->eint.eint_n == EINT_NA) + return -ENOTSUPP; - debounce = pinconf_to_config_argument(config); + return mtk_eint_set_debounce(hw->eint, desc->eint.eint_n, arg); + } - return mtk_eint_set_debounce(hw->eint, desc->eint.eint_n, debounce); + return mtk_pinconf_set(hw, offset, param, arg); } static int mtk_build_gpiochip(struct mtk_pinctrl *hw)