[PATCH v1] net: phy: add TI DP83TD510E T1L PHY support

[Sascha Hauer]

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 at pengutronix.de>
> ---
>  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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