IPQ8074 Gen3 PCIe PHY uses 250MHz as the pipe clock rate instead of 125MHz
like every other PCIe QMP PHY does, so make it configurable as part of the
qmp_phy_cfg.
Signed-off-by: Robert Marko <robimarko@xxxxxxxxx>
---
Changes in v4:
* Set 125MHz as the default if not set in qmp_phy_cfg
---
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index b2cd0cf965d8..66be854fe7f3 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -1284,6 +1284,9 @@ struct qmp_phy_cfg {
/* true, if PHY has secondary tx/rx lanes to be configured */
bool is_dual_lane_phy;
+
+ /* QMP PHY pipe clock interface rate */
+ unsigned long pipe_clock_rate;
};
/**
@@ -2121,8 +2124,15 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
init.ops = &clk_fixed_rate_ops;
- /* controllers using QMP phys use 125MHz pipe clock interface */
- fixed->fixed_rate = 125000000;
+ /*
+ * Controllers using QMP PHY-s use 125MHz pipe clock interface
+ * unless other frequency is specified in the PHY config.
+ */
+ if (qmp->phys[0]->cfg->pipe_clock_rate)
+ fixed->fixed_rate = qmp->phys[0]->cfg->pipe_clock_rate;
+ else
+ fixed->fixed_rate = 125000000;
+
fixed->hw.init = &init;
ret = devm_clk_hw_register(qmp->dev, &fixed->hw);
--
2.36.1
