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net: ethernet: mtk-star-emac: store bit_clk_div in compat structure

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Not all the SoC are using the same clock divider. Move the divider into
a compat structure specific to the SoCs.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Biao Huang 2022-06-29 11:17:34 +08:00 committed by David S. Miller
parent bfc715146e
commit c16cc6a066
1 changed files with 19 additions and 4 deletions
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23
drivers/net/ethernet/mediatek/mtk_star_emac.c
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@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/platform_device.h>
@ -231,6 +232,10 @@ struct mtk_star_ring {
unsigned int tail;
};
struct mtk_star_compat {
unsigned char bit_clk_div;
};
struct mtk_star_priv {
struct net_device *ndev;
@ -256,6 +261,8 @@ struct mtk_star_priv {
int duplex;
int pause;
const struct mtk_star_compat *compat_data;
/* Protects against concurrent descriptor access. */
spinlock_t lock;
@ -898,7 +905,7 @@ static void mtk_star_init_config(struct mtk_star_priv *priv)
regmap_write(priv->regs, MTK_STAR_REG_SYS_CONF, val);
regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CLK_CONF,
MTK_STAR_MSK_MAC_CLK_CONF,
MTK_STAR_BIT_CLK_DIV_10);
priv->compat_data->bit_clk_div);
}
static void mtk_star_set_mode_rmii(struct mtk_star_priv *priv)
@ -1460,6 +1467,7 @@ static int mtk_star_probe(struct platform_device *pdev)
priv = netdev_priv(ndev);
priv->ndev = ndev;
priv->compat_data = of_device_get_match_data(&pdev->dev);
SET_NETDEV_DEV(ndev, dev);
platform_set_drvdata(pdev, ndev);
@ -1556,10 +1564,17 @@ static int mtk_star_probe(struct platform_device *pdev)
}
#ifdef CONFIG_OF
static const struct mtk_star_compat mtk_star_mt8516_compat = {
.bit_clk_div = MTK_STAR_BIT_CLK_DIV_10,
};
static const struct of_device_id mtk_star_of_match[] = {
{ .compatible = "mediatek,mt8516-eth", },
{ .compatible = "mediatek,mt8518-eth", },
{ .compatible = "mediatek,mt8175-eth", },
{ .compatible = "mediatek,mt8516-eth",
.data = &mtk_star_mt8516_compat },
{ .compatible = "mediatek,mt8518-eth",
.data = &mtk_star_mt8516_compat },
{ .compatible = "mediatek,mt8175-eth",
.data = &mtk_star_mt8516_compat },
{ }
};
MODULE_DEVICE_TABLE(of, mtk_star_of_match);