From d0b24c1aa96729d4d9fee02e2c60fc920068c6c5 Mon Sep 17 00:00:00 2001
From: Vikas Manocha <vikas.manocha@st.com>
Date: Mon, 10 Apr 2017 15:02:55 -0700
Subject: stm32f7: use clock driver to enable sdram controller clock

This patch also removes the sdram/fmc clock enable from board specific
code.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
---
 drivers/ram/stm32_sdram.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'drivers/ram/stm32_sdram.c')

diff --git a/drivers/ram/stm32_sdram.c b/drivers/ram/stm32_sdram.c
index 67be61f01ac..67d885572d6 100644
--- a/drivers/ram/stm32_sdram.c
+++ b/drivers/ram/stm32_sdram.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <clk.h>
 #include <dm.h>
 #include <ram.h>
 #include <asm/io.h>
@@ -122,6 +123,20 @@ int stm32_sdram_init(void)
 
 static int stm32_fmc_probe(struct udevice *dev)
 {
+#ifdef CONFIG_CLK
+	int ret;
+	struct clk clk;
+	ret = clk_get_by_index(dev, 0, &clk);
+	if (ret < 0)
+		return ret;
+
+	ret = clk_enable(&clk);
+
+	if (ret) {
+		dev_err(dev, "failed to enable clock\n");
+		return ret;
+	}
+#endif
 	stm32_sdram_init();
 	return 0;
 }
-- 
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