shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 03:15:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

phy: phy-rockchip-snps-pcie3: Fix PMA output clamp mode

Browse Source 
PMA output clamp mode should be configured.

Change-Id: I3f622d8dbde00b7f91caf9ba1c3868d6f9ad8d3e
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Shawn Lin
2020-11-12 17:55:27 +08:00
committed by Tao Huang
parent 83294f1897
commit eabde4b76f
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/phy/rockchip/phy-rockchip-snps-pcie3.c
View File

@@ -20,6 +20,7 @@
#define GRF_PCIE30PHY_CON1 0x4
#define GRF_PCIE30PHY_CON6 0x18
#define GRF_PCIE30PHY_CON9 0x24
struct rockchip_p3phy_priv {
void __iomem *mmio;
@@ -78,6 +79,9 @@ static int rochchip_p3phy_init(struct phy *phy)
reset_control_assert(priv->p30phy);
udelay(1);
/* Deassert PCIe PMA output clamp mode */
regmap_write(priv->phy_grf, GRF_PCIE30PHY_CON9,
(0x1 << 15) | (0x1 << 31));
/* Set bifurcation if needed, and it doesn't care RC/EP */
if (priv->is_bifurcation) {
regmap_write(priv->phy_grf, GRF_PCIE30PHY_CON6,