Add disable() support.

Signed-off-by: Giulio Benetti <giulio.bene...@benettiengineering.com>
---
 drivers/clk/imx/clk-pllv3.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c
index 84283ab6a9..cb461cd5be 100644
--- a/drivers/clk/imx/clk-pllv3.c
+++ b/drivers/clk/imx/clk-pllv3.c
@@ -54,8 +54,24 @@ static int clk_pllv3_generic_enable(struct clk *clk)
        return 0;
 }
 
+static int clk_pllv3_generic_disable(struct clk *clk)
+{
+       struct clk_pllv3 *pll = to_clk_pllv3(clk);
+       u32 val;
+
+       val = readl(pll->base);
+       if (pll->powerup_set)
+               val &= ~pll->power_bit;
+       else
+               val |= pll->power_bit;
+       writel(val, pll->base);
+
+       return 0;
+}
+
 static const struct clk_ops clk_pllv3_generic_ops = {
        .enable         = clk_pllv3_generic_enable,
+       .disable        = clk_pllv3_generic_disable,
        .get_rate       = clk_pllv3_generic_get_rate,
 };
 
-- 
2.20.1

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