From: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Date: Wed, 3 Feb 2021 10:10:47 +0000 (-0700)
Subject: clk: versal: Add support to enable clocks
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=60b03f1cc408ffd2360303da4c5d09bec47b8cc2;p=u-boot.git

clk: versal: Add support to enable clocks

Add clock enable functionality in versal clock driver to enable
clocks from peripheral drivers using clk_ops.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/drivers/clk/clk_versal.c b/drivers/clk/clk_versal.c
index 908bc7519c..62523d2909 100644
--- a/drivers/clk/clk_versal.c
+++ b/drivers/clk/clk_versal.c
@@ -718,9 +718,20 @@ static ulong versal_clk_set_rate(struct clk *clk, ulong rate)
 	return clk_rate;
 }
 
+static int versal_clk_enable(struct clk *clk)
+{
+	struct versal_clk_priv *priv = dev_get_priv(clk->dev);
+	u32 clk_id;
+
+	clk_id = priv->clk[clk->id].clk_id;
+
+	return xilinx_pm_request(PM_CLOCK_ENABLE, clk_id, 0, 0, 0, NULL);
+}
+
 static struct clk_ops versal_clk_ops = {
 	.set_rate = versal_clk_set_rate,
 	.get_rate = versal_clk_get_rate,
+	.enable = versal_clk_enable,
 };
 
 static const struct udevice_id versal_clk_ids[] = {