[PATCH v1 2/2] net: phy: motorcomm: Add driver for Motorcomm YT8821 2.5G ethernet phy
Frank Sae
Frank.Sae at motor-comm.com
Thu Sep 12 14:02:25 CEST 2024
Add a driver for the motorcomm YT8821 2.5G ethernet phy which works in
2500base-x mode.
Verify the driver on BPI-R3(with MediaTek MT7986(Filogic 830) SoC) evb.
Signed-off-by: Frank Sae <Frank.Sae at motor-comm.com>
---
drivers/net/phy/motorcomm.c | 491 ++++++++++++++++++++++++++++++++++++
1 file changed, 491 insertions(+)
diff --git a/drivers/net/phy/motorcomm.c b/drivers/net/phy/motorcomm.c
index 070de0645d..4d67203ee7 100644
--- a/drivers/net/phy/motorcomm.c
+++ b/drivers/net/phy/motorcomm.c
@@ -12,6 +12,7 @@
#define PHY_ID_YT8511 0x0000010a
#define PHY_ID_YT8531 0x4f51e91b
+#define PHY_ID_YT8821 0x4f51ea19
#define PHY_ID_MASK GENMASK(31, 0)
/* Extended Register's Address Offset Register */
@@ -106,6 +107,8 @@
#define YTPHY_SPEED_10M ((0x0 << 14))
#define YTPHY_SPEED_100M ((0x1 << 14))
#define YTPHY_SPEED_1000M ((0x2 << 14))
+#define YTPHY_SPEED_10G ((0x3 << 14))
+#define YTPHY_SPEED_2500M ((0x0 << 14) | BIT(9))
#define YT8531_EXTREG_SLEEP_CONTROL1_REG 0x27
#define YT8531_ESC1R_SLEEP_SW BIT(15)
@@ -133,6 +136,91 @@
#define TX_CLK_100_INVERTED BIT(4)
#define TX_CLK_1000_INVERTED BIT(5)
+#define YT8821_SDS_EXT_CSR_CTRL_REG 0x23
+#define YT8821_SDS_EXT_CSR_VCO_LDO_EN BIT(15)
+#define YT8821_SDS_EXT_CSR_VCO_BIAS_LPF_EN BIT(8)
+
+#define YT8821_UTP_EXT_PI_CTRL_REG 0x56
+#define YT8821_UTP_EXT_PI_RST_N_FIFO BIT(5)
+#define YT8821_UTP_EXT_PI_TX_CLK_SEL_AFE BIT(4)
+#define YT8821_UTP_EXT_PI_RX_CLK_3_SEL_AFE BIT(3)
+#define YT8821_UTP_EXT_PI_RX_CLK_2_SEL_AFE BIT(2)
+#define YT8821_UTP_EXT_PI_RX_CLK_1_SEL_AFE BIT(1)
+#define YT8821_UTP_EXT_PI_RX_CLK_0_SEL_AFE BIT(0)
+
+#define YT8821_UTP_EXT_VCT_CFG6_CTRL_REG 0x97
+#define YT8821_UTP_EXT_FECHO_AMP_TH_HUGE GENMASK(15, 8)
+
+#define YT8821_UTP_EXT_ECHO_CTRL_REG 0x336
+#define YT8821_UTP_EXT_TRACE_LNG_GAIN_THR_1000 GENMASK(14, 8)
+
+#define YT8821_UTP_EXT_GAIN_CTRL_REG 0x340
+#define YT8821_UTP_EXT_TRACE_MED_GAIN_THR_1000 GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_RPDN_CTRL_REG 0x34E
+#define YT8821_UTP_EXT_RPDN_BP_FFE_LNG_2500 BIT(15)
+#define YT8821_UTP_EXT_RPDN_BP_FFE_SHT_2500 BIT(7)
+#define YT8821_UTP_EXT_RPDN_IPR_SHT_2500 GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_TH_20DB_2500_CTRL_REG 0x36A
+#define YT8821_UTP_EXT_TH_20DB_2500 GENMASK(15, 0)
+
+#define YT8821_UTP_EXT_TRACE_CTRL_REG 0x372
+#define YT8821_UTP_EXT_TRACE_LNG_GAIN_THE_2500 GENMASK(14, 8)
+#define YT8821_UTP_EXT_TRACE_MED_GAIN_THE_2500 GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_ALPHA_IPR_CTRL_REG 0x374
+#define YT8821_UTP_EXT_ALPHA_SHT_2500 GENMASK(14, 8)
+#define YT8821_UTP_EXT_IPR_LNG_2500 GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_PLL_CTRL_REG 0x450
+#define YT8821_UTP_EXT_PLL_SPARE_CFG GENMASK(7, 0)
+
+#define YT8821_UTP_EXT_DAC_IMID_CH_2_3_CTRL_REG 0x466
+#define YT8821_UTP_EXT_DAC_IMID_CH_3_10_ORG GENMASK(14, 8)
+#define YT8821_UTP_EXT_DAC_IMID_CH_2_10_ORG GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_DAC_IMID_CH_0_1_CTRL_REG 0x467
+#define YT8821_UTP_EXT_DAC_IMID_CH_1_10_ORG GENMASK(14, 8)
+#define YT8821_UTP_EXT_DAC_IMID_CH_0_10_ORG GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_DAC_IMSB_CH_2_3_CTRL_REG 0x468
+#define YT8821_UTP_EXT_DAC_IMSB_CH_3_10_ORG GENMASK(14, 8)
+#define YT8821_UTP_EXT_DAC_IMSB_CH_2_10_ORG GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_DAC_IMSB_CH_0_1_CTRL_REG 0x469
+#define YT8821_UTP_EXT_DAC_IMSB_CH_1_10_ORG GENMASK(14, 8)
+#define YT8821_UTP_EXT_DAC_IMSB_CH_0_10_ORG GENMASK(6, 0)
+
+#define YT8821_UTP_EXT_MU_COARSE_FR_CTRL_REG 0x4B3
+#define YT8821_UTP_EXT_MU_COARSE_FR_F_FFE GENMASK(14, 12)
+#define YT8821_UTP_EXT_MU_COARSE_FR_F_FBE GENMASK(10, 8)
+
+#define YT8821_UTP_EXT_MU_FINE_FR_CTRL_REG 0x4B5
+#define YT8821_UTP_EXT_MU_FINE_FR_F_FFE GENMASK(14, 12)
+#define YT8821_UTP_EXT_MU_FINE_FR_F_FBE GENMASK(10, 8)
+
+#define YT8821_UTP_EXT_VGA_LPF1_CAP_CTRL_REG 0x4D2
+#define YT8821_UTP_EXT_VGA_LPF1_CAP_OTHER GENMASK(7, 4)
+#define YT8821_UTP_EXT_VGA_LPF1_CAP_2500 GENMASK(3, 0)
+
+#define YT8821_UTP_EXT_VGA_LPF2_CAP_CTRL_REG 0x4D3
+#define YT8821_UTP_EXT_VGA_LPF2_CAP_OTHER GENMASK(7, 4)
+#define YT8821_UTP_EXT_VGA_LPF2_CAP_2500 GENMASK(3, 0)
+
+#define YT8821_UTP_EXT_TXGE_NFR_FR_THP_CTRL_REG 0x660
+#define YT8821_UTP_EXT_NFR_TX_ABILITY BIT(3)
+
+#define YT8821_CHIP_MODE_FORCE_BX2500 1
+
+/* chip config register */
+#define YTPHY_CCR_MODE_SEL_MASK GENMASK(2, 0)
+
+#define YTPHY_REG_SPACE_SELECT_REG 0xA000
+#define YTPHY_RSSR_SPACE_MASK BIT(1)
+#define YTPHY_RSSR_FIBER_SPACE (0x1 << 1)
+#define YTPHY_RSSR_UTP_SPACE (0x0 << 1)
+
struct ytphy_plat_priv {
u32 rx_delay_ps;
u32 tx_delay_ps;
@@ -634,6 +722,398 @@ static int yt8531_probe(struct phy_device *phydev)
return 0;
}
+static int ytphy_save_page(struct phy_device *phydev)
+{
+ int old_page;
+
+ old_page = ytphy_read_ext(phydev, YTPHY_REG_SPACE_SELECT_REG);
+ if (old_page < 0)
+ return old_page;
+
+ if ((old_page & YTPHY_RSSR_SPACE_MASK) == YTPHY_RSSR_FIBER_SPACE)
+ return YTPHY_RSSR_FIBER_SPACE;
+
+ return YTPHY_RSSR_UTP_SPACE;
+};
+
+static int ytphy_restore_page(struct phy_device *phydev, int page,
+ int ret)
+{
+ int mask = YTPHY_RSSR_SPACE_MASK;
+ int set;
+ int r;
+
+ if ((page & YTPHY_RSSR_SPACE_MASK) == YTPHY_RSSR_FIBER_SPACE)
+ set = YTPHY_RSSR_FIBER_SPACE;
+ else
+ set = YTPHY_RSSR_UTP_SPACE;
+
+ r = ytphy_modify_ext(phydev, YTPHY_REG_SPACE_SELECT_REG, mask,
+ set);
+ if (ret >= 0 && r < 0)
+ ret = r;
+
+ return ret;
+};
+
+static int ytphy_write_ext(struct phy_device *phydev, u16 regnum,
+ u16 val)
+{
+ int ret;
+
+ ret = phy_write(phydev, MDIO_DEVAD_NONE,
+ YTPHY_PAGE_SELECT, regnum);
+ if (ret < 0)
+ return ret;
+
+ return phy_write(phydev, MDIO_DEVAD_NONE, YTPHY_PAGE_DATA, val);
+}
+
+static int yt8821_probe(struct phy_device *phydev)
+{
+ phydev->advertising = PHY_GBIT_FEATURES |
+ SUPPORTED_2500baseX_Full |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause;
+ phydev->supported = phydev->advertising;
+
+ return 0;
+}
+
+static int yt8821_serdes_init(struct phy_device *phydev)
+{
+ int old_page;
+ u16 mask;
+ u16 set;
+ int ret;
+
+ old_page = ytphy_save_page(phydev);
+ if (old_page < 0)
+ return old_page;
+
+ ret = ytphy_modify_ext(phydev, YTPHY_REG_SPACE_SELECT_REG,
+ YTPHY_RSSR_SPACE_MASK,
+ YTPHY_RSSR_FIBER_SPACE);
+ if (ret < 0)
+ goto err_restore_page;
+
+ ret = phy_modify(phydev, MDIO_DEVAD_NONE, MII_BMCR,
+ BMCR_ANENABLE, 0);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_SDS_EXT_CSR_VCO_LDO_EN |
+ YT8821_SDS_EXT_CSR_VCO_BIAS_LPF_EN;
+ set = YT8821_SDS_EXT_CSR_VCO_LDO_EN;
+ ret = ytphy_modify_ext(phydev, YT8821_SDS_EXT_CSR_CTRL_REG, mask,
+ set);
+
+err_restore_page:
+ return ytphy_restore_page(phydev, old_page, ret);
+}
+
+static int yt8821_utp_init(struct phy_device *phydev)
+{
+ int old_page;
+ u16 mask;
+ u16 save;
+ u16 set;
+ int ret;
+
+ old_page = ytphy_save_page(phydev);
+ if (old_page < 0)
+ return old_page;
+
+ ret = ytphy_modify_ext(phydev, YTPHY_REG_SPACE_SELECT_REG,
+ YTPHY_RSSR_SPACE_MASK,
+ YTPHY_RSSR_UTP_SPACE);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_RPDN_BP_FFE_LNG_2500 |
+ YT8821_UTP_EXT_RPDN_BP_FFE_SHT_2500 |
+ YT8821_UTP_EXT_RPDN_IPR_SHT_2500;
+ set = YT8821_UTP_EXT_RPDN_BP_FFE_LNG_2500 |
+ YT8821_UTP_EXT_RPDN_BP_FFE_SHT_2500;
+ ret = ytphy_modify_ext(phydev, YT8821_UTP_EXT_RPDN_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_VGA_LPF1_CAP_OTHER |
+ YT8821_UTP_EXT_VGA_LPF1_CAP_2500;
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_VGA_LPF1_CAP_CTRL_REG,
+ mask, 0);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_VGA_LPF2_CAP_OTHER |
+ YT8821_UTP_EXT_VGA_LPF2_CAP_2500;
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_VGA_LPF2_CAP_CTRL_REG,
+ mask, 0);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_TRACE_LNG_GAIN_THE_2500 |
+ YT8821_UTP_EXT_TRACE_MED_GAIN_THE_2500;
+ set = FIELD_PREP(YT8821_UTP_EXT_TRACE_LNG_GAIN_THE_2500, 0x5a) |
+ FIELD_PREP(YT8821_UTP_EXT_TRACE_MED_GAIN_THE_2500, 0x3c);
+ ret = ytphy_modify_ext(phydev, YT8821_UTP_EXT_TRACE_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_IPR_LNG_2500;
+ set = FIELD_PREP(YT8821_UTP_EXT_IPR_LNG_2500, 0x6c);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_ALPHA_IPR_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_TRACE_LNG_GAIN_THR_1000;
+ set = FIELD_PREP(YT8821_UTP_EXT_TRACE_LNG_GAIN_THR_1000, 0x2a);
+ ret = ytphy_modify_ext(phydev, YT8821_UTP_EXT_ECHO_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_TRACE_MED_GAIN_THR_1000;
+ set = FIELD_PREP(YT8821_UTP_EXT_TRACE_MED_GAIN_THR_1000, 0x22);
+ ret = ytphy_modify_ext(phydev, YT8821_UTP_EXT_GAIN_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_TH_20DB_2500;
+ set = FIELD_PREP(YT8821_UTP_EXT_TH_20DB_2500, 0x8000);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_TH_20DB_2500_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_MU_COARSE_FR_F_FFE |
+ YT8821_UTP_EXT_MU_COARSE_FR_F_FBE;
+ set = FIELD_PREP(YT8821_UTP_EXT_MU_COARSE_FR_F_FFE, 0x7) |
+ FIELD_PREP(YT8821_UTP_EXT_MU_COARSE_FR_F_FBE, 0x7);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_MU_COARSE_FR_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_MU_FINE_FR_F_FFE |
+ YT8821_UTP_EXT_MU_FINE_FR_F_FBE;
+ set = FIELD_PREP(YT8821_UTP_EXT_MU_FINE_FR_F_FFE, 0x2) |
+ FIELD_PREP(YT8821_UTP_EXT_MU_FINE_FR_F_FBE, 0x2);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_MU_FINE_FR_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ /* save YT8821_UTP_EXT_PI_CTRL_REG's val for use later */
+ ret = ytphy_read_ext(phydev, YT8821_UTP_EXT_PI_CTRL_REG);
+ if (ret < 0)
+ goto err_restore_page;
+
+ save = ret;
+
+ mask = YT8821_UTP_EXT_PI_TX_CLK_SEL_AFE |
+ YT8821_UTP_EXT_PI_RX_CLK_3_SEL_AFE |
+ YT8821_UTP_EXT_PI_RX_CLK_2_SEL_AFE |
+ YT8821_UTP_EXT_PI_RX_CLK_1_SEL_AFE |
+ YT8821_UTP_EXT_PI_RX_CLK_0_SEL_AFE;
+ ret = ytphy_modify_ext(phydev, YT8821_UTP_EXT_PI_CTRL_REG,
+ mask, 0);
+ if (ret < 0)
+ goto err_restore_page;
+
+ /* restore YT8821_UTP_EXT_PI_CTRL_REG's val */
+ ret = ytphy_write_ext(phydev, YT8821_UTP_EXT_PI_CTRL_REG, save);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_FECHO_AMP_TH_HUGE;
+ set = FIELD_PREP(YT8821_UTP_EXT_FECHO_AMP_TH_HUGE, 0x38);
+ ret = ytphy_modify_ext(phydev, YT8821_UTP_EXT_VCT_CFG6_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_NFR_TX_ABILITY;
+ set = YT8821_UTP_EXT_NFR_TX_ABILITY;
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_TXGE_NFR_FR_THP_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_PLL_SPARE_CFG;
+ set = FIELD_PREP(YT8821_UTP_EXT_PLL_SPARE_CFG, 0xe9);
+ ret = ytphy_modify_ext(phydev, YT8821_UTP_EXT_PLL_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_DAC_IMID_CH_3_10_ORG |
+ YT8821_UTP_EXT_DAC_IMID_CH_2_10_ORG;
+ set = FIELD_PREP(YT8821_UTP_EXT_DAC_IMID_CH_3_10_ORG, 0x64) |
+ FIELD_PREP(YT8821_UTP_EXT_DAC_IMID_CH_2_10_ORG, 0x64);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_DAC_IMID_CH_2_3_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_DAC_IMID_CH_1_10_ORG |
+ YT8821_UTP_EXT_DAC_IMID_CH_0_10_ORG;
+ set = FIELD_PREP(YT8821_UTP_EXT_DAC_IMID_CH_1_10_ORG, 0x64) |
+ FIELD_PREP(YT8821_UTP_EXT_DAC_IMID_CH_0_10_ORG, 0x64);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_DAC_IMID_CH_0_1_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_DAC_IMSB_CH_3_10_ORG |
+ YT8821_UTP_EXT_DAC_IMSB_CH_2_10_ORG;
+ set = FIELD_PREP(YT8821_UTP_EXT_DAC_IMSB_CH_3_10_ORG, 0x64) |
+ FIELD_PREP(YT8821_UTP_EXT_DAC_IMSB_CH_2_10_ORG, 0x64);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_DAC_IMSB_CH_2_3_CTRL_REG,
+ mask, set);
+ if (ret < 0)
+ goto err_restore_page;
+
+ mask = YT8821_UTP_EXT_DAC_IMSB_CH_1_10_ORG |
+ YT8821_UTP_EXT_DAC_IMSB_CH_0_10_ORG;
+ set = FIELD_PREP(YT8821_UTP_EXT_DAC_IMSB_CH_1_10_ORG, 0x64) |
+ FIELD_PREP(YT8821_UTP_EXT_DAC_IMSB_CH_0_10_ORG, 0x64);
+ ret = ytphy_modify_ext(phydev,
+ YT8821_UTP_EXT_DAC_IMSB_CH_0_1_CTRL_REG,
+ mask, set);
+
+err_restore_page:
+ return ytphy_restore_page(phydev, old_page, ret);
+}
+
+static int yt8821_auto_sleep_config(struct phy_device *phydev,
+ bool enable)
+{
+ int old_page;
+ int ret;
+
+ old_page = ytphy_save_page(phydev);
+ if (old_page < 0)
+ return old_page;
+
+ ret = ytphy_modify_ext(phydev, YTPHY_REG_SPACE_SELECT_REG,
+ YTPHY_RSSR_SPACE_MASK,
+ YTPHY_RSSR_UTP_SPACE);
+ if (ret < 0)
+ goto err_restore_page;
+
+ ret = ytphy_modify_ext(phydev,
+ YT8531_EXTREG_SLEEP_CONTROL1_REG,
+ YT8531_ESC1R_SLEEP_SW,
+ enable ? 1 : 0);
+
+err_restore_page:
+ return ytphy_restore_page(phydev, old_page, ret);
+}
+
+static int yt8821_soft_reset(struct phy_device *phydev)
+{
+ return ytphy_modify_ext(phydev, YT8531_CHIP_CONFIG_REG,
+ YT8531_CCR_SW_RST, 0);
+}
+
+static int yt8821_config(struct phy_device *phydev)
+{
+ u8 mode = YT8821_CHIP_MODE_FORCE_BX2500;
+ int ret;
+ u16 set;
+
+ set = FIELD_PREP(YTPHY_CCR_MODE_SEL_MASK, mode);
+ ret = ytphy_modify_ext(phydev,
+ YT8531_CHIP_CONFIG_REG,
+ YTPHY_CCR_MODE_SEL_MASK,
+ set);
+ if (ret < 0)
+ return ret;
+
+ ret = yt8821_serdes_init(phydev);
+ if (ret < 0)
+ return ret;
+
+ ret = yt8821_utp_init(phydev);
+ if (ret < 0)
+ return ret;
+
+ ret = yt8821_auto_sleep_config(phydev, false);
+ if (ret < 0)
+ return ret;
+
+ return yt8821_soft_reset(phydev);
+}
+
+static void yt8821_parse_status(struct phy_device *phydev, int val)
+{
+ int speed_mode;
+ int speed;
+
+ speed_mode = val & YTPHY_SPEED_MASK;
+ switch (speed_mode) {
+ case YTPHY_SPEED_2500M:
+ speed = SPEED_2500;
+ break;
+ case YTPHY_SPEED_1000M:
+ speed = SPEED_1000;
+ break;
+ case YTPHY_SPEED_100M:
+ speed = SPEED_100;
+ break;
+ case YTPHY_SPEED_10M:
+ speed = SPEED_10;
+ break;
+ }
+
+ phydev->speed = speed;
+ phydev->duplex = FIELD_GET(YTPHY_DUPLEX_MASK, val);
+}
+
+static int yt8821_startup(struct phy_device *phydev)
+{
+ u16 val;
+ int ret;
+
+ ret = ytphy_modify_ext(phydev, YTPHY_REG_SPACE_SELECT_REG,
+ YTPHY_RSSR_SPACE_MASK,
+ YTPHY_RSSR_UTP_SPACE);
+ if (ret)
+ return ret;
+
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
+ ret = phy_read(phydev, MDIO_DEVAD_NONE,
+ YTPHY_SPECIFIC_STATUS_REG);
+ if (ret < 0)
+ return ret;
+
+ val = ret;
+
+ if (phydev->link)
+ yt8821_parse_status(phydev, val);
+
+ return 0;
+}
+
U_BOOT_PHY_DRIVER(motorcomm8511) = {
.name = "YT8511 Gigabit Ethernet",
.uid = PHY_ID_YT8511,
@@ -654,3 +1134,14 @@ U_BOOT_PHY_DRIVER(motorcomm8531) = {
.startup = &yt8531_startup,
.shutdown = &genphy_shutdown,
};
+
+U_BOOT_PHY_DRIVER(motorcomm8821) = {
+ .name = "YT8821 2.5G Ethernet",
+ .uid = PHY_ID_YT8821,
+ .mask = PHY_ID_MASK,
+ .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS | MDIO_MMD_AN),
+ .probe = &yt8821_probe,
+ .config = &yt8821_config,
+ .startup = &yt8821_startup,
+ .shutdown = &genphy_shutdown,
+};
--
2.34.1
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