On Thu, Apr 14, 2022 at 12:04:42PM +0200, Oleksij Rempel wrote:
> Add basic driver for TI DP83TD510E T1L PHY
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> drivers/net/phy/Kconfig | 6 +++++
> drivers/net/phy/Makefile | 1 +
> drivers/net/phy/dp83td510.c | 45 +++++++++++++++++++++++++++++++++++++
> 3 files changed, 52 insertions(+)
> create mode 100644 drivers/net/phy/dp83td510.c
Applied, thanks
Sascha
>
> diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
> index 9f74335443..cd20e1de27 100644
> --- a/drivers/net/phy/Kconfig
> +++ b/drivers/net/phy/Kconfig
> @@ -29,6 +29,12 @@ config DP83867_PHY
> help
> Currently supports the DP83867 PHY.
>
> +config DP83TD510_PHY
> + tristate "Texas Instruments DP83TD510 Ethernet 10Base-T1L PHY"
> + help
> + Support for the DP83TD510 Ethernet 10Base-T1L PHY. This PHY supports
> + a 10M single pair Ethernet connection for up to 1000 meter cable.
> +
> config LXT_PHY
> bool "Driver for the Intel LXT PHYs"
> help
> diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
> index 54b83e06dd..83f46f11d3 100644
> --- a/drivers/net/phy/Makefile
> +++ b/drivers/net/phy/Makefile
> @@ -17,4 +17,5 @@ obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o
> obj-$(CONFIG_MDIO_BUS_MUX) += mdio-mux.o
> obj-$(CONFIG_MDIO_BUS_MUX_GPIO) += mdio-mux-gpio.o
> obj-$(CONFIG_DP83867_PHY) += dp83867.o
> +obj-$(CONFIG_DP83TD510_PHY) += dp83td510.o
>
> diff --git a/drivers/net/phy/dp83td510.c b/drivers/net/phy/dp83td510.c
> new file mode 100644
> index 0000000000..44c551e795
> --- /dev/null
> +++ b/drivers/net/phy/dp83td510.c
> @@ -0,0 +1,45 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +#include <common.h>
> +#include <linux/phy.h>
> +
> +#define DP83TD510E_PHY_ID 0x20000181
> +
> +#define DP83TD510E_PHY_STS 0x10
> +#define DP83TD510E_LINK_STATUS BIT(0)
> +
> +static int dp83td510_read_status(struct phy_device *phydev)
> +{
> + u16 phy_sts;
> +
> + phy_sts = phy_read(phydev, DP83TD510E_PHY_STS);
> +
> + phydev->link = !!(phy_sts & DP83TD510E_LINK_STATUS);
> + if (phydev->link) {
> + phydev->duplex = DUPLEX_FULL;
> + phydev->speed = SPEED_10;
> + } else {
> + phydev->speed = SPEED_UNKNOWN;
> + phydev->duplex = DUPLEX_UNKNOWN;
> + }
> +
> + return 0;
> +}
> +
> +static int dp83td510_config_init(struct phy_device *phydev)
> +{
> + phydev->supported = SUPPORTED_10baseT_Full | SUPPORTED_Autoneg;
> + phydev->advertising = SUPPORTED_10baseT_Full | SUPPORTED_Autoneg;
> +
> + return 0;
> +}
> +
> +static struct phy_driver dp83td510_driver[] = {
> + {
> + PHY_ID_MATCH_MODEL(DP83TD510E_PHY_ID),
> + .drv.name = "TI DP83TD510E",
> + .read_status = dp83td510_read_status,
> + .config_init = dp83td510_config_init,
> + }
> +};
> +device_phy_drivers(dp83td510_driver);
> --
> 2.30.2
>
>
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