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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2014-04-02 16:48:45 +0300 |
|---|---|---|
| committer | Mike Turquette <mturquette@linaro.org> | 2014-07-31 08:36:58 -0700 |
| commit | a74c52def9ab953c77956a8e93d225621980f54c (patch) | |
| tree | f84ef30560279ed4eab59f732f345bee34346f04 /drivers/clk/ti | |
| parent | 64aa90f26c06e1cb2aacfb98a7d0eccfbd6c1a91 (diff) | |
| download | op-kernel-dev-a74c52def9ab953c77956a8e93d225621980f54c.zip op-kernel-dev-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>
Diffstat (limited to 'drivers/clk/ti')
| -rw-r--r-- | drivers/clk/ti/clk-7xx.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index e158133..cb8e6f1 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) |
