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phy: sparx5-serdes: add support for private match data

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In order to reuse the existing Sparx5 SERDES driver for lan969x, we add
support for private match data, with initial fields for the iomap and
imap_size.

Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Link: https://lore.kernel.org/r/20240909-sparx5-lan969x-serdes-driver-v2-1-d695bcb57b84@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Daniel Machon 2024-09-09 17:14:41 +02:00 committed by Vinod Koul
parent 0175a673e4
commit d41bb5e00e
2 changed files with 19 additions and 3 deletions
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16
drivers/phy/microchip/sparx5_serdes.c
View File

@ -2507,6 +2507,11 @@ static struct sparx5_serdes_io_resource sparx5_serdes_iomap[] = {
{ TARGET_SD_LANE_25G + 7, 0x5c8000 }, /* 0x610dd0000: sd_lane_25g_32 */
};
static const struct sparx5_serdes_match_data sparx5_desc = {
.iomap = sparx5_serdes_iomap,
.iomap_size = ARRAY_SIZE(sparx5_serdes_iomap),
};
/* Client lookup function, uses serdes index */
static struct phy *sparx5_serdes_xlate(struct device *dev,
const struct of_phandle_args *args)
@ -2555,6 +2560,10 @@ static int sparx5_serdes_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
priv->dev = &pdev->dev;
priv->data = device_get_match_data(priv->dev);
if (!priv->data)
return -EINVAL;
/* Get coreclock */
clk = devm_clk_get(priv->dev, NULL);
if (IS_ERR(clk)) {
@ -2579,8 +2588,9 @@ static int sparx5_serdes_probe(struct platform_device *pdev)
iores->name);
return -ENOMEM;
}
for (idx = 0; idx < ARRAY_SIZE(sparx5_serdes_iomap); idx++) {
struct sparx5_serdes_io_resource *iomap = &sparx5_serdes_iomap[idx];
for (idx = 0; idx < priv->data->iomap_size; idx++) {
const struct sparx5_serdes_io_resource *iomap =
&priv->data->iomap[idx];
priv->regs[iomap->id] = iomem + iomap->offset;
}
@ -2599,7 +2609,7 @@ static int sparx5_serdes_probe(struct platform_device *pdev)
}
static const struct of_device_id sparx5_serdes_match[] = {
{ .compatible = "microchip,sparx5-serdes" },
{ .compatible = "microchip,sparx5-serdes", .data = &sparx5_desc },
{ }
};
MODULE_DEVICE_TABLE(of, sparx5_serdes_match);

6
drivers/phy/microchip/sparx5_serdes.h
View File

@ -26,11 +26,17 @@ enum sparx5_serdes_mode {
SPX5_SD_MODE_SFI,
};
struct sparx5_serdes_match_data {
const struct sparx5_serdes_io_resource *iomap;
int iomap_size;
};
struct sparx5_serdes_private {
struct device *dev;
void __iomem *regs[NUM_TARGETS];
struct phy *phys[SPX5_SERDES_MAX];
unsigned long coreclock;
const struct sparx5_serdes_match_data *data;
};
struct sparx5_serdes_macro {