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-rw-r--r--drivers/phy/rockchip/phy-rockchip-naneng-combphy.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
index a3ef19807b9e..e303bec8a996 100644
--- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
@@ -21,6 +21,9 @@
#define REF_CLOCK_100MHz (100 * HZ_PER_MHZ)
/* RK3528 COMBO PHY REG */
+#define RK3528_PHYREG5 0x14
+#define RK3528_PHYREG5_GATE_TX_PCK_SEL BIT(3)
+#define RK3528_PHYREG5_GATE_TX_PCK_DLY_PLL_OFF BIT(3)
#define RK3528_PHYREG6 0x18
#define RK3528_PHYREG6_PLL_KVCO GENMASK(12, 10)
#define RK3528_PHYREG6_PLL_KVCO_VALUE 0x2
@@ -504,6 +507,10 @@ static int rk3528_combphy_cfg(struct rockchip_combphy_priv *priv)
case REF_CLOCK_100MHz:
rockchip_combphy_param_write(priv->phy_grf, &cfg->pipe_clk_100m, true);
if (priv->type == PHY_TYPE_PCIE) {
+ /* Gate_tx_pck_sel length select for L1ss support */
+ rockchip_combphy_updatel(priv, RK3528_PHYREG5_GATE_TX_PCK_SEL,
+ RK3528_PHYREG5_GATE_TX_PCK_DLY_PLL_OFF, RK3528_PHYREG5);
+
/* PLL KVCO tuning fine */
val = FIELD_PREP(RK3528_PHYREG6_PLL_KVCO, RK3528_PHYREG6_PLL_KVCO_VALUE);
rockchip_combphy_updatel(priv, RK3528_PHYREG6_PLL_KVCO, val,