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MX U-Boot Team" Cc: Tim Harvey , =?UTF-8?q?Marek=20Beh=C3=BAn?= Subject: [PATCH 3/6] net: mdio-uclass: add wrappers for read/write/reset operations Date: Tue, 29 Mar 2022 15:52:37 -0700 Message-Id: <20220329225240.1416-4-tharvey@gateworks.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220329225240.1416-1-tharvey@gateworks.com> References: <20220329225240.1416-1-tharvey@gateworks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Add wrappers dm_mdio_read(), dm_mdio_write() and dm_mdio_reset() for DM MDIO's .read(), .write() and .reset() operations. Signed-off-by: Marek Behún Reviewed-by: Ramon Fried --- include/miiphy.h | 31 +++++++++++++++++++++++++++++++ net/mdio-uclass.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 62 insertions(+) diff --git a/include/miiphy.h b/include/miiphy.h index 235ae066dddd..110921f20d2a 100644 --- a/include/miiphy.h +++ b/include/miiphy.h @@ -157,6 +157,37 @@ struct mdio_ops { */ void dm_mdio_probe_devices(void); +/** + * dm_mdio_read - Wrapper over .read() operation for DM MDIO + * + * @mdiodev: mdio device + * @addr: PHY address on MDIO bus + * @devad: device address on PHY if C45; should be MDIO_DEVAD_NONE if C22 + * @reg: register address + * Return: register value if non-negative, -error code otherwise + */ +int dm_mdio_read(struct udevice *mdio_dev, int addr, int devad, int reg); + +/** + * dm_mdio_write - Wrapper over .write() operation for DM MDIO + * + * @mdiodev: mdio device + * @addr: PHY address on MDIO bus + * @devad: device address on PHY if C45; should be MDIO_DEVAD_NONE if C22 + * @reg: register address + * @val: value to write + * Return: 0 on success, -error code otherwise + */ +int dm_mdio_write(struct udevice *mdio_dev, int addr, int devad, int reg, u16 val); + +/** + * dm_mdio_reset - Wrapper over .reset() operation for DM MDIO + * + * @mdiodev: mdio device + * Return: 0 on success, -error code otherwise + */ +int dm_mdio_reset(struct udevice *mdio_dev); + /** * dm_mdio_phy_connect - Wrapper over phy_connect for DM MDIO * diff --git a/net/mdio-uclass.c b/net/mdio-uclass.c index 190cb08b31d8..523c0b12c7d2 100644 --- a/net/mdio-uclass.c +++ b/net/mdio-uclass.c @@ -66,6 +66,37 @@ static int dm_mdio_post_bind(struct udevice *dev) #endif } +int dm_mdio_read(struct udevice *mdio_dev, int addr, int devad, int reg) +{ + struct mdio_ops *ops = mdio_get_ops(mdio_dev); + + if (!ops->read) + return -ENOSYS; + + return ops->read(mdio_dev, addr, devad, reg); +} + +int dm_mdio_write(struct udevice *mdio_dev, int addr, int devad, int reg, + u16 val) +{ + struct mdio_ops *ops = mdio_get_ops(mdio_dev); + + if (!ops->write) + return -ENOSYS; + + return ops->write(mdio_dev, addr, devad, reg, val); +} + +int dm_mdio_reset(struct udevice *mdio_dev) +{ + struct mdio_ops *ops = mdio_get_ops(mdio_dev); + + if (!ops->reset) + return 0; + + return ops->reset(mdio_dev); +} + /* * Following read/write/reset functions are registered with legacy MII code. * These are called for PHY operations by upper layers and we further call the -- 2.17.1