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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2014-04-02 16:48:45 +0300
committerMike Turquette <mturquette@linaro.org>2014-07-31 08:36:58 -0700
commita74c52def9ab953c77956a8e93d225621980f54c (patch)
treef84ef30560279ed4eab59f732f345bee34346f04
parent64aa90f26c06e1cb2aacfb98a7d0eccfbd6c1a91 (diff)
downloadlinux-a74c52def9ab953c77956a8e93d225621980f54c.tar.gz
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>
-rw-r--r--drivers/clk/ti/clk-7xx.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c
index e1581335937..cb8e6f14e88 100644
--- 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)