clock: add stmmac clock for ethernet driver

Signed-off-by: Steven Miao <realmz6@gmail.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf609/clock.c b/arch/blackfin/mach-bf609/clock.c
index 437d56c82281..dab8849af884 100644
--- a/arch/blackfin/mach-bf609/clock.c
+++ b/arch/blackfin/mach-bf609/clock.c
@@ -220,6 +220,12 @@ unsigned long sys_clk_get_rate(struct clk *clk)
         }
 }
 
+unsigned long dummy_get_rate(struct clk *clk)
+{
+        clk->parent->rate = clk_get_rate(clk->parent);
+        return clk->parent->rate;
+}
+
 unsigned long sys_clk_round_rate(struct clk *clk, unsigned long rate)
 {
         unsigned long max_rate;
@@ -283,6 +289,10 @@ static struct clk_ops sys_clk_ops = {
         .round_rate = sys_clk_round_rate,
 };
 
+static struct clk_ops dummy_clk_ops = {
+        .get_rate = dummy_get_rate,
+};
+
 static struct clk sys_clkin = {
         .name       = "SYS_CLKIN",
         .rate       = CONFIG_CLKIN_HZ,
@@ -364,6 +374,12 @@ static struct clk oclk = {
         .parent     = &pll_clk,
 };
 
+static struct clk ethclk = {
+        .name       = "stmmaceth",
+        .parent     = &sclk0,
+        .ops        = &dummy_clk_ops,
+};
+
 static struct clk_lookup bf609_clks[] = {
         CLK(sys_clkin, NULL, "SYS_CLKIN"),
         CLK(pll_clk, NULL, "PLLCLK"),
@@ -375,6 +391,7 @@ static struct clk_lookup bf609_clks[] = {
         CLK(sclk1, NULL, "SCLK1"),
         CLK(dclk, NULL, "DCLK"),
         CLK(oclk, NULL, "OCLK"),
+        CLK(ethclk, NULL, "stmmaceth"),
 };
 
 int __init clk_init(void)