From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 15 Nov 2024 20:58:44 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tC2So-002N7l-0V for lore@lore.pengutronix.de; Fri, 15 Nov 2024 20:58:44 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1tC2Sl-0001mC-VQ for lore@pengutronix.de; Fri, 15 Nov 2024 20:58:42 +0100 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:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OlrGvOWR+S+zYCWMcUIOGaoLU3ME4ga/w2/irYskQfA=; b=sCfM8tJlqB80wHpfDEp3/kDF82 Ui+hCQerB0iikuxX2xDwA1rmy3XJnJ5NS3LRoqZFGr3G4jGqGG7GCvbkZoZd7hYcm/NeLG24r6TZk 0aLSH7BCHj0nQm/mU0eeIy2u3LKkAKAB+4NQpwLic4ak8Jt5eSX9BwaM7LY/belZXvqMyiv2C33FA cR29ZvoWK+resXXq69ot+DKahkBGQJABz+cULnULl7fJ+5YZ97ji4KLG6z4iad/+C+41esXRO14jZ TjpNesOw1yvMOPxha80JlQXSchepI7Bkgs5et48pVR/eLSRFCanjMJueZrrqw5sVqYSiu/H9i//kr Ap+ugMIw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tC2SD-00000003weK-3x60; Fri, 15 Nov 2024 19:58:05 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tC2SC-00000003wcy-0dUt for barebox@bombadil.infradead.org; Fri, 15 Nov 2024 19:58:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:To:From:Sender:Reply-To:Cc: Content-Type:Content-ID:Content-Description; bh=OlrGvOWR+S+zYCWMcUIOGaoLU3ME4ga/w2/irYskQfA=; b=hCAyLTnq5tDA4QygM6ZzKIT6W8 eably4OhUrM/kdQC+r85c/n56qpOR1nws3cADLgiqzcGSgMiU6O2RtHqlSCSW26RzhLddoS/MxUoi nmGDKPIYFejP4pNX60pB+VqGnMijtGiMbjfUnCGe5WO+19Bb9qkcNHB/My50/zm0JPXCKVXQ4BX5H vGV1zPJQYe9CQcUgSag8uKbyDT3cY1J0IXPV7NM+HXq3G87ajO2ytNsTJDLy5uJku1+kLOVO8PGc6 E+GSJBPYGQG623xItS6/nGASDpZGK3kG/xC3/deZZ6ASffVhvxSm6DX44Jot4yVF6Y/VNR6tOwD9o cGDzw88w==; Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by desiato.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tC2S8-00000000Jah-0MGd for barebox@lists.infradead.org; Fri, 15 Nov 2024 19:58:02 +0000 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1tC2S1-00017y-NN for barebox@lists.infradead.org; Fri, 15 Nov 2024 20:57:53 +0100 From: Marco Felsch To: barebox@lists.infradead.org Date: Fri, 15 Nov 2024 20:57:44 +0100 Message-Id: <20241115195747.997164-9-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241115195747.997164-1-m.felsch@pengutronix.de> References: <20241115195747.997164-1-m.felsch@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241115_195800_411277_FABD9F94 X-CRM114-Status: GOOD ( 12.12 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 09/12] spi: import spi_controller::flags X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Import the flags supported by the Linux spi controller implementation to make it easier to port driver from Linux. Signed-off-by: Marco Felsch --- include/spi/spi.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/spi/spi.h b/include/spi/spi.h index 2b441e934d12..8354b7d8baa6 100644 --- a/include/spi/spi.h +++ b/include/spi/spi.h @@ -173,6 +173,7 @@ static inline void spi_set_ctldata(struct spi_device *spi, void *state) * unsupported bits_per_word. If not set, this value is simply ignored, * and it's up to the individual driver to perform any validation. * @max_speed_hz: Highest supported transfer speed + * @flags: other constraints relevant to this driver * @setup: updates the device mode and clocking records used by a * device's SPI controller; protocol code may call this. This * must fail if an unrecognized or unsupported mode is requested. @@ -232,6 +233,16 @@ struct spi_controller { /* limits on transfer speed */ u32 max_speed_hz; + /* Other constraints relevant to this driver */ + u16 flags; +#define SPI_CONTROLLER_HALF_DUPLEX BIT(0) /* Can't do full duplex */ +#define SPI_CONTROLLER_NO_RX BIT(1) /* Can't do buffer read */ +#define SPI_CONTROLLER_NO_TX BIT(2) /* Can't do buffer write */ +#define SPI_CONTROLLER_MUST_RX BIT(3) /* Requires rx */ +#define SPI_CONTROLLER_MUST_TX BIT(4) /* Requires tx */ +#define SPI_CONTROLLER_GPIO_SS BIT(5) /* GPIO CS must select slave */ +#define SPI_CONTROLLER_SUSPENDED BIT(6) /* Currently suspended */ + /* setup mode and clock, etc (spi driver may call many times) */ int (*setup)(struct spi_device *spi); -- 2.39.5