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88a404a2d1
Add a new microchipsw target aimed add supporting Microchip switch SoC-s. Start by supporting LAN969x SoC-s as the first subtarget. Signed-off-by: Robert Marko <robert.marko@sartura.hr>
84 lines
2.8 KiB
Diff
84 lines
2.8 KiB
Diff
From 6c18e8aba5313a930a72c5b2143e73e2cc437a14 Mon Sep 17 00:00:00 2001
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From: Daniel Machon <daniel.machon@microchip.com>
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Date: Mon, 9 Sep 2024 17:14:41 +0200
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Subject: [PATCH 08/25] 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
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support for private match data, with initial fields for the iomap and
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imap_size.
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Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
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Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
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Link: https://lore.kernel.org/r/20240909-sparx5-lan969x-serdes-driver-v2-1-d695bcb57b84@microchip.com
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Signed-off-by: Vinod Koul <vkoul@kernel.org>
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---
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drivers/phy/microchip/sparx5_serdes.c | 16 +++++++++++++---
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drivers/phy/microchip/sparx5_serdes.h | 6 ++++++
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2 files changed, 19 insertions(+), 3 deletions(-)
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--- a/drivers/phy/microchip/sparx5_serdes.c
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+++ b/drivers/phy/microchip/sparx5_serdes.c
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@@ -2507,6 +2507,11 @@ static struct sparx5_serdes_io_resource
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{ TARGET_SD_LANE_25G + 7, 0x5c8000 }, /* 0x610dd0000: sd_lane_25g_32 */
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};
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+static const struct sparx5_serdes_match_data sparx5_desc = {
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+ .iomap = sparx5_serdes_iomap,
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+ .iomap_size = ARRAY_SIZE(sparx5_serdes_iomap),
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+};
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+
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/* Client lookup function, uses serdes index */
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static struct phy *sparx5_serdes_xlate(struct device *dev,
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const struct of_phandle_args *args)
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@@ -2555,6 +2560,10 @@ static int sparx5_serdes_probe(struct pl
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platform_set_drvdata(pdev, priv);
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priv->dev = &pdev->dev;
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+ priv->data = device_get_match_data(priv->dev);
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+ if (!priv->data)
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+ return -EINVAL;
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+
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/* Get coreclock */
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clk = devm_clk_get(priv->dev, NULL);
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if (IS_ERR(clk)) {
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@@ -2579,8 +2588,9 @@ static int sparx5_serdes_probe(struct pl
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iores->name);
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return -ENOMEM;
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}
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- for (idx = 0; idx < ARRAY_SIZE(sparx5_serdes_iomap); idx++) {
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- struct sparx5_serdes_io_resource *iomap = &sparx5_serdes_iomap[idx];
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+ for (idx = 0; idx < priv->data->iomap_size; idx++) {
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+ const struct sparx5_serdes_io_resource *iomap =
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+ &priv->data->iomap[idx];
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priv->regs[iomap->id] = iomem + iomap->offset;
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}
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@@ -2599,7 +2609,7 @@ static int sparx5_serdes_probe(struct pl
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}
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static const struct of_device_id sparx5_serdes_match[] = {
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- { .compatible = "microchip,sparx5-serdes" },
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+ { .compatible = "microchip,sparx5-serdes", .data = &sparx5_desc },
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{ }
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};
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MODULE_DEVICE_TABLE(of, sparx5_serdes_match);
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--- a/drivers/phy/microchip/sparx5_serdes.h
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+++ b/drivers/phy/microchip/sparx5_serdes.h
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@@ -26,11 +26,17 @@ enum sparx5_serdes_mode {
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SPX5_SD_MODE_SFI,
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};
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+struct sparx5_serdes_match_data {
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+ const struct sparx5_serdes_io_resource *iomap;
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+ int iomap_size;
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+};
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+
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struct sparx5_serdes_private {
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struct device *dev;
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void __iomem *regs[NUM_TARGETS];
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struct phy *phys[SPX5_SERDES_MAX];
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unsigned long coreclock;
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+ const struct sparx5_serdes_match_data *data;
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};
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struct sparx5_serdes_macro {
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