diff mbox series

[9/9] phy: cadence: sierra: Enable pll_cmnlc and pll_cmnlc1 clocks

Message ID 20201103035556.21260-10-kishon@ti.com
State New
Headers show
Series PHY: Enhance Sierra SERDES | expand

Commit Message

Kishon Vijay Abraham I Nov. 3, 2020, 3:55 a.m. UTC 
Get pll_cmnlc and pll_cmnlc1 optional clocks and enable them.
This will enable REFRCV/1 in case the pll_cmnlc/1 takes input
from REFRCV/1 respectively.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/phy/cadence/phy-cadence-sierra.c | 39 +++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index c4751fe9edfd..94fd9ce4223e 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -267,6 +267,8 @@  struct cdns_sierra_phy {
 	struct clk *clk;
 	struct clk *cmn_refclk_dig_div;
 	struct clk *cmn_refclk1_dig_div;
+	struct clk *pll_cmnlc;
+	struct clk *pll_cmnlc1;
 	int nsubnodes;
 	u32 num_lanes;
 	bool autoconf;
@@ -847,6 +849,41 @@  static int cdns_sierra_phy_get_clocks(struct cdns_sierra_phy *sp,
 	}
 	sp->cmn_refclk1_dig_div = clk;
 
+	clk = devm_clk_get_optional(dev, "pll_cmnlc");
+	if (IS_ERR(clk)) {
+		dev_err(dev, "pll_cmnlc clock not found\n");
+		ret = PTR_ERR(clk);
+		return ret;
+	}
+	sp->pll_cmnlc = clk;
+
+	clk = devm_clk_get_optional(dev, "pll_cmnlc1");
+	if (IS_ERR(clk)) {
+		dev_err(dev, "pll_cmnlc1 clock not found\n");
+		ret = PTR_ERR(clk);
+		return ret;
+	}
+	sp->pll_cmnlc1 = clk;
+
+	return 0;
+}
+
+static int cdns_sierra_phy_enable_clocks(struct cdns_sierra_phy *sp)
+{
+	int ret;
+
+	ret = clk_prepare_enable(sp->clk);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(sp->pll_cmnlc);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(sp->pll_cmnlc1);
+	if (ret)
+		return ret;
+
 	return 0;
 }
 
@@ -920,7 +957,7 @@  static int cdns_sierra_phy_probe(struct platform_device *pdev)
 		if (ret)
 			return ret;
 
-		ret = clk_prepare_enable(sp->clk);
+		ret = cdns_sierra_phy_enable_clocks(sp);
 		if (ret)
 			return ret;