clk: samsung: exynos5420: Add CLK_SET_RATE_PARENT flag to mout_mau_epll_clk

This allows changing the EPLL output frequency through the audio subsystem
clock tree leaf clocks. This change is needed to support audio on the HDMI
interface on Peach-Pi(t) Chromebook.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index c7b0f55..1bb6e10 100644 (file)
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -621,7 +621,8 @@ static const struct samsung_mux_clock exynos5420_mux_clks[] __initconst = {
 
        MUX(CLK_MOUT_MX_MSPLL_CCORE, "mout_mx_mspll_ccore",
                        mout_group5_5800_p, SRC_TOP7, 16, 2),
-       MUX(0, "mout_mau_epll_clk", mout_mau_epll_clk_p, SRC_TOP7, 20, 2),
+       MUX_F(0, "mout_mau_epll_clk", mout_mau_epll_clk_p, SRC_TOP7, 20, 2,
+             CLK_SET_RATE_PARENT, 0),
 
        MUX(0, "mout_fimd1", mout_group3_p, SRC_DISP10, 4, 1),
 };