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[net-next,v2,3/3] net: phy: meson-gxl: add g12a support

Message ID 20190329141512.29867-4-jbrunet@baylibre.com
State Changes Requested
Delegated to: David Miller
Headers show
Series net: phy: add Amlogic g12a support | expand

Commit Message

Jerome Brunet March 29, 2019, 2:15 p.m. UTC
The g12a SoC family uses the type of internal PHY that was used on the
gxl family. The quirks of gxl family, like the LPA register corruption,
appear to have been resolved on this new SoC generation.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 drivers/net/phy/meson-gxl.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Comments

Heiner Kallweit March 29, 2019, 7:22 p.m. UTC | #1
On 29.03.2019 15:15, Jerome Brunet wrote:
> The g12a SoC family uses the type of internal PHY that was used on the
> gxl family. The quirks of gxl family, like the LPA register corruption,
> appear to have been resolved on this new SoC generation.
> 
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---
>  drivers/net/phy/meson-gxl.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
> index 0eec2913c289..49cad0f4c79b 100644
> --- a/drivers/net/phy/meson-gxl.c
> +++ b/drivers/net/phy/meson-gxl.c
> @@ -237,11 +237,25 @@ static struct phy_driver meson_gxl_phy[] = {
>  		.config_intr	= meson_gxl_config_intr,
>  		.suspend        = genphy_suspend,
>  		.resume         = genphy_resume,
> +	}, {
> +		.phy_id		= 0x01803301,
> +		.phy_id_mask	= 0xffffffff,

Here you could use the PHY_ID_MATCH_EXACT() macro, see realtek PHY
driver for an example.

> +		.name		= "Meson G12A Internal PHY",
> +		.features	= PHY_BASIC_FEATURES,
> +		.flags		= PHY_IS_INTERNAL,
> +		.soft_reset     = genphy_soft_reset,
> +		.aneg_done      = genphy_aneg_done,
> +		.read_status	= genphy_read_status,

genphy_aneg_done() and genphy_read_status() are used automatically
as fallback if no callback is defined. You can omit these two lines.

> +		.ack_interrupt	= meson_gxl_ack_interrupt,
> +		.config_intr	= meson_gxl_config_intr,
> +		.suspend        = genphy_suspend,
> +		.resume         = genphy_resume,
>  	},
>  };
>  
>  static struct mdio_device_id __maybe_unused meson_gxl_tbl[] = {
>  	{ 0x01814400, 0xfffffff0 },
> +	{ 0x01803301, 0xffffffff },

Also a candidate for PHY_ID_MATCH_EXACT. In the line before
PHY_ID_MATCH_MODEL could be used.

>  	{ }
>  };
>  
>
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Patch

diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index 0eec2913c289..49cad0f4c79b 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -237,11 +237,25 @@  static struct phy_driver meson_gxl_phy[] = {
 		.config_intr	= meson_gxl_config_intr,
 		.suspend        = genphy_suspend,
 		.resume         = genphy_resume,
+	}, {
+		.phy_id		= 0x01803301,
+		.phy_id_mask	= 0xffffffff,
+		.name		= "Meson G12A Internal PHY",
+		.features	= PHY_BASIC_FEATURES,
+		.flags		= PHY_IS_INTERNAL,
+		.soft_reset     = genphy_soft_reset,
+		.aneg_done      = genphy_aneg_done,
+		.read_status	= genphy_read_status,
+		.ack_interrupt	= meson_gxl_ack_interrupt,
+		.config_intr	= meson_gxl_config_intr,
+		.suspend        = genphy_suspend,
+		.resume         = genphy_resume,
 	},
 };
 
 static struct mdio_device_id __maybe_unused meson_gxl_tbl[] = {
 	{ 0x01814400, 0xfffffff0 },
+	{ 0x01803301, 0xffffffff },
 	{ }
 };