From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 16 Dec 2024 14:04:16 +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 1tNAlj-008pLk-3D for lore@lore.pengutronix.de; Mon, 16 Dec 2024 14:04:16 +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 1tNAli-0005Bm-0B for lore@pengutronix.de; Mon, 16 Dec 2024 14:04:16 +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=0cQATlg2LPG2Pn9XkeCSDvug7gFFTch7UwxVdvd4oUI=; b=4WBVW5l83qPlN190z0HHnP6Ren lj79ulHffcgg2PZxB6L2vGur/GpVrV/phyMLFcihBwe01OFHOuqlR7joKolnkyybCHXI+vdVpxWTb ENgCcvMktOW+FmfQ6o4jXyA6nWbINJ5YODHFuK54av/ootWn7tgLZ4W8pPyXIZL112b6ayU/QEwlu /giK0IHIAwZNEubizWt1eVuQZsDfD8/gXeXsWXAuUdPZMByQDLoUj39L7ALtcQ0V8WhbcO7g/D5X0 lqpKjyNNVqCFGW8iNkD9UYNUCchHOCJ3tXyJeBBeJcozdZCo/pBKCmw/Cl3soZ0mAAUrHampxjxfq fN4EF7Fw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tNAl9-0000000A1y2-2YFE; Mon, 16 Dec 2024 13:03:39 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tNAl6-0000000A1ux-2Zzr for barebox@lists.infradead.org; Mon, 16 Dec 2024 13:03:37 +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 1tNAl3-0004cI-Jj for barebox@lists.infradead.org; Mon, 16 Dec 2024 14:03:33 +0100 From: Marco Felsch To: barebox@lists.infradead.org Date: Mon, 16 Dec 2024 14:03:21 +0100 Message-Id: <20241216130324.1592755-9-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241216130324.1592755-1-m.felsch@pengutronix.de> References: <20241216130324.1592755-1-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-20241216_050336_684619_AB9ECC21 X-CRM114-Status: GOOD ( 12.09 ) 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=-5.0 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 v2 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 --- Changelog: v2: - no changes include/spi/spi.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/spi/spi.h b/include/spi/spi.h index 8458d890f4e6..a8bbf55e0a5a 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. @@ -235,6 +236,16 @@ 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