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path: root/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.c')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index fc67e35b253e..29826dd15204 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1952,14 +1952,16 @@ static int mtk_hw_init(struct mtk_eth *eth)
}
regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val);
- /* Set GE2 driving and slew rate */
- regmap_write(eth->pctl, GPIO_DRV_SEL10, 0xa00);
+ if (eth->pctl) {
+ /* Set GE2 driving and slew rate */
+ regmap_write(eth->pctl, GPIO_DRV_SEL10, 0xa00);
- /* set GE2 TDSEL */
- regmap_write(eth->pctl, GPIO_OD33_CTRL8, 0x5);
+ /* set GE2 TDSEL */
+ regmap_write(eth->pctl, GPIO_OD33_CTRL8, 0x5);
- /* set GE2 TUNE */
- regmap_write(eth->pctl, GPIO_BIAS_CTRL, 0x0);
+ /* set GE2 TUNE */
+ regmap_write(eth->pctl, GPIO_BIAS_CTRL, 0x0);
+ }
/* Set linkdown as the default for each GMAC. Its own MCR would be set
* up with the more appropriate value when mtk_phy_link_adjust call is
@@ -2538,11 +2540,13 @@ static int mtk_probe(struct platform_device *pdev)
}
}
- eth->pctl = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
- "mediatek,pctl");
- if (IS_ERR(eth->pctl)) {
- dev_err(&pdev->dev, "no pctl regmap found\n");
- return PTR_ERR(eth->pctl);
+ if (eth->soc->required_pctl) {
+ eth->pctl = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "mediatek,pctl");
+ if (IS_ERR(eth->pctl)) {
+ dev_err(&pdev->dev, "no pctl regmap found\n");
+ return PTR_ERR(eth->pctl);
+ }
}
for (i = 0; i < 3; i++) {
@@ -2668,17 +2672,20 @@ static int mtk_remove(struct platform_device *pdev)
static const struct mtk_soc_data mt2701_data = {
.caps = MTK_GMAC1_TRGMII,
- .required_clks = MT7623_CLKS_BITMAP
+ .required_clks = MT7623_CLKS_BITMAP,
+ .required_pctl = true,
};
static const struct mtk_soc_data mt7622_data = {
.caps = MTK_DUAL_GMAC_SHARED_SGMII | MTK_GMAC1_ESW,
- .required_clks = MT7622_CLKS_BITMAP
+ .required_clks = MT7622_CLKS_BITMAP,
+ .required_pctl = false,
};
static const struct mtk_soc_data mt7623_data = {
.caps = MTK_GMAC1_TRGMII,
- .required_clks = MT7623_CLKS_BITMAP
+ .required_clks = MT7623_CLKS_BITMAP,
+ .required_pctl = true,
};
const struct of_device_id of_mtk_match[] = {