From: George Moussalem A fixed link topology is commonly used to connect this switch (on port 0 or 6) to a SoC's MAC over SGMII. When inband negotiation is not used, the switch needs to be configured to operate in force mode. As such, enable support for force mode. Signed-off-by: George Moussalem --- drivers/net/dsa/qca/qca8k-8xxx.c | 6 +++++- drivers/net/dsa/qca/qca8k.h | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index a36b8b07030e..3dbd18ab8638 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -1611,10 +1611,14 @@ static int qca8k_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode, if (priv->ports_config.sgmii_tx_clk_falling_edge) val |= QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE; + if (neg_mode == PHYLINK_PCS_NEG_OUTBAND) + val |= QCA8K_PORT_PAD_SGMII_FORCE_MODE; + if (val) ret = qca8k_rmw(priv, reg, QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE | - QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE, + QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE | + QCA8K_PORT_PAD_SGMII_FORCE_MODE, val); return 0; diff --git a/drivers/net/dsa/qca/qca8k.h b/drivers/net/dsa/qca/qca8k.h index 1a00e2f62fef..956338893032 100644 --- a/drivers/net/dsa/qca/qca8k.h +++ b/drivers/net/dsa/qca/qca8k.h @@ -58,6 +58,7 @@ #define QCA8K_PORT_PAD_RGMII_TX_DELAY_EN BIT(25) #define QCA8K_PORT_PAD_RGMII_RX_DELAY_EN BIT(24) #define QCA8K_PORT_PAD_SGMII_EN BIT(7) +#define QCA8K_PORT_PAD_SGMII_FORCE_MODE BIT(3) #define QCA8K_REG_PWS 0x010 #define QCA8K_PWS_POWER_ON_SEL BIT(31) /* This reg is only valid for QCA832x and toggle the package --- base-commit: b7bee4ca5688e30ca50fbc87b1b8f7eed7006c17 change-id: 20260603-qca8337-force-mode-fbcba5296446 Best regards, -- George Moussalem