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Tue, 30 Mar 2021 12:34:14 -0500 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Tue, 30 Mar 2021 12:34:14 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Tue, 30 Mar 2021 12:34:14 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12UHXmgk125244; Tue, 30 Mar 2021 12:34:08 -0500 From: Pratyush Yadav To: Mauro Carvalho Chehab , Rob Herring , Kishon Vijay Abraham I , Vinod Koul , Peter Ujfalusi , Maxime Ripard , Benoit Parrot , Hans Verkuil , Alexandre Courbot , Laurent Pinchart , Stanimir Varbanov , Helen Koike , Michael Tretter , Peter Chen , Chunfeng Yun , , , , , CC: Pratyush Yadav , Vignesh Raghavendra , Tomi Valkeinen Subject: [PATCH 03/16] phy: cdns-dphy: Allow setting mode Date: Tue, 30 Mar 2021 23:03:35 +0530 Message-ID: <20210330173348.30135-4-p.yadav@ti.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210330173348.30135-1-p.yadav@ti.com> References: <20210330173348.30135-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210330_183421_479351_A8F85A22 X-CRM114-Status: GOOD ( 12.87 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Allow callers to set the PHY mode. The main mode should always be PHY_MODE_MIPI_DPHY but the submode can either be PHY_MIPI_DPHY_SUBMODE_RX or PHY_MIPI_DPHY_SUBMODE_TX. Update the ops based on the requested submode. Signed-off-by: Pratyush Yadav --- drivers/phy/cadence/cdns-dphy.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/phy/cadence/cdns-dphy.c b/drivers/phy/cadence/cdns-dphy.c index 8656f2102a91..7d5f7b333893 100644 --- a/drivers/phy/cadence/cdns-dphy.c +++ b/drivers/phy/cadence/cdns-dphy.c @@ -365,11 +365,41 @@ static int cdns_dphy_configure(struct phy *phy, union phy_configure_opts *opts) return 0; } +static int cdns_dphy_set_mode(struct phy *phy, enum phy_mode mode, int submode) +{ + struct cdns_dphy *dphy = phy_get_drvdata(phy); + const struct cdns_dphy_driver_data *ddata; + + ddata = of_device_get_match_data(dphy->dev); + if (!ddata) + return -EINVAL; + + if (mode != PHY_MODE_MIPI_DPHY) + return -EINVAL; + + if (submode == PHY_MIPI_DPHY_SUBMODE_TX) { + if (!ddata->tx) + return -EOPNOTSUPP; + + dphy->ops = ddata->tx; + } else if (submode == PHY_MIPI_DPHY_SUBMODE_RX) { + if (!ddata->rx) + return -EOPNOTSUPP; + + dphy->ops = ddata->rx; + } else { + return -EOPNOTSUPP; + } + + return 0; +} + static const struct phy_ops cdns_dphy_ops = { .configure = cdns_dphy_configure, .validate = cdns_dphy_validate, .power_on = cdns_dphy_power_on, .power_off = cdns_dphy_power_off, + .set_mode = cdns_dphy_set_mode, }; static int cdns_dphy_probe(struct platform_device *pdev)