summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/mediatek/mtk_eth_path.c
diff options
context:
space:
mode:
authorDaniel Golle <daniel@makrotopia.org>2023-03-19 15:56:28 +0300
committerJakub Kicinski <kuba@kernel.org>2023-03-21 05:47:59 +0300
commitf5d43ddd334b7c32fcaed9ba46afbd85cb467f1f (patch)
tree02b8dc3224ef9277dbdf199e2b58b85533095e19 /drivers/net/ethernet/mediatek/mtk_eth_path.c
parent56aecc0a655d997342ca85a3dd1f59715f2b3349 (diff)
downloadlinux-f5d43ddd334b7c32fcaed9ba46afbd85cb467f1f.tar.xz
net: ethernet: mtk_eth_soc: add support for MT7981 SoC
The MediaTek MT7981 SoC comes with two 1G/2.5G SGMII ports, just like MT7986. In addition MT7981 is equipped with a built-in 1000Base-T PHY which can be used with GMAC1. As many MT7981 boards make use of inverting SGMII signal polarity, add new device-tree attribute 'mediatek,pn_swap' to support them. Signed-off-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_path.c')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_path.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_path.c b/drivers/net/ethernet/mediatek/mtk_eth_path.c
index 72648535a14d..317e447f4991 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_path.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_path.c
@@ -96,12 +96,20 @@ static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path)
static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path)
{
- unsigned int val = 0;
+ unsigned int val = 0, mask = 0, reg = 0;
bool updated = true;
switch (path) {
case MTK_ETH_PATH_GMAC2_SGMII:
- val = CO_QPHY_SEL;
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_U3_COPHY_V2)) {
+ reg = USB_PHY_SWITCH_REG;
+ val = SGMII_QPHY_SEL;
+ mask = QPHY_SEL_MASK;
+ } else {
+ reg = INFRA_MISC2;
+ val = CO_QPHY_SEL;
+ mask = val;
+ }
break;
default:
updated = false;
@@ -109,7 +117,7 @@ static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path)
}
if (updated)
- regmap_update_bits(eth->infra, INFRA_MISC2, CO_QPHY_SEL, val);
+ regmap_update_bits(eth->infra, reg, mask, val);
dev_dbg(eth->dev, "path %s in %s updated = %d\n",
mtk_eth_path_name(path), __func__, updated);