diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 47 | ||||
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.h | 3 |
2 files changed, 31 insertions, 19 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 54adfd967858..e0b72bf428f7 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -23,6 +23,7 @@ #include <linux/reset.h> #include <linux/tcp.h> #include <linux/interrupt.h> +#include <linux/pinctrl/devinfo.h> #include "mtk_eth_soc.h" @@ -1952,20 +1953,23 @@ 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); - - /* GE1, Force 1000M/FD, FC ON */ - mtk_w32(eth, MAC_MCR_FIXED_LINK, MTK_MAC_MCR(0)); + /* set GE2 TUNE */ + regmap_write(eth->pctl, GPIO_BIAS_CTRL, 0x0); + } - /* GE2, Force 1000M/FD, FC ON */ - mtk_w32(eth, MAC_MCR_FIXED_LINK, MTK_MAC_MCR(1)); + /* 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 + * being invoked. + */ + for (i = 0; i < MTK_MAC_COUNT; i++) + mtk_w32(eth, 0, MTK_MAC_MCR(i)); /* Indicates CDM to parse the MTK special tag from CPU * which also is working out for untag packets. @@ -2537,11 +2541,13 @@ 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++) { @@ -2667,17 +2673,20 @@ 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[] = { diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index a3af4660de81..672b8c353c47 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -573,10 +573,13 @@ struct mtk_rx_ring { * @caps Flags shown the extra capability for the SoC * @required_clks Flags shown the bitmap for required clocks on * the target SoC + * @required_pctl A bool value to show whether the SoC requires + * the extra setup for those pins used by GMAC. */ struct mtk_soc_data { u32 caps; u32 required_clks; + bool required_pctl; }; /* currently no SoC has more than 2 macs */ |