clk: ti: clk-7xx: Correct ABE DPLL configuration

ABE DPLL frequency need to be lowered from 361267200
to 180633600 to facilitate the ATL requironments.
The dpll_abe_m2x2_ck clock need to be set to double
of ABE DPLL rate in order to have correct clocks
for audio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c
index e1581335937d274dfddfd502cd5c4c896b305267..cb8e6f14e880ec62c5267b8dd09797ec5bdb7356 100644 (file)
--- a/drivers/clk/ti/clk-7xx.c
+++ b/drivers/clk/ti/clk-7xx.c
@@ -16,7 +16,7 @@
 #include <linux/clkdev.h>
 #include <linux/clk/ti.h>
 
-#define DRA7_DPLL_ABE_DEFFREQ                          361267200
+#define DRA7_DPLL_ABE_DEFFREQ                          180633600
 #define DRA7_DPLL_GMAC_DEFFREQ                         1000000000
 
 
@@ -322,6 +322,11 @@ int __init dra7xx_dt_clk_init(void)
        if (rc)
                pr_err("%s: failed to configure ABE DPLL!\n", __func__);
 
+       dpll_ck = clk_get_sys(NULL, "dpll_abe_m2x2_ck");
+       rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ * 2);
+       if (rc)
+               pr_err("%s: failed to configure ABE DPLL m2x2!\n", __func__);
+
        dpll_ck = clk_get_sys(NULL, "dpll_gmac_ck");
        rc = clk_set_rate(dpll_ck, DRA7_DPLL_GMAC_DEFFREQ);
        if (rc)