Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH] clk: ti: clk-7xx: Correct ABE DPLL configuration | Date | Wed, 2 Apr 2014 16:48:45 +0300 |
| |
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> --- drivers/clk/ti/clk-7xx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index f7e40734c819..19a55bf407dd 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) -- 1.9.1
| |