diff options
| author | Adrian Alonso <adrian.alonso@nxp.com> | 2016-09-19 14:33:58 -0500 |
|---|---|---|
| committer | Adrian Alonso <adrian.alonso@nxp.com> | 2016-09-19 14:37:20 -0500 |
| commit | 5bc73053cc0a6a0e5c5f953f8b774854316b87a9 (patch) | |
| tree | b6b6760247dd919f38577f1ffa27746e72a74ca0 /arch/arm/mach-imx | |
| parent | b63f3f52cb393e3287352cf63f0caef31a33ab63 (diff) | |
MLK-13243: arm: imx6q: busfreq: lpddr2 fix system clocks audio mode
Fix system clock topology used by lpddr2 for audio mode
Keep pll2_pfd2 as clock root for periph_pre_clk to match
lpddr2_freq_imx6q.S switching mechanism.
(Rework from commit id 427b1b6d628827ca83887b92c8331a261a254151)
Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com>
(Cherry pick from commit 583b09e4d30ec0ce3b3a0494ebd0419d05701ce2)
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/busfreq-imx.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/busfreq-imx.c b/arch/arm/mach-imx/busfreq-imx.c index aa228ba153e6..8bafe4bf05a3 100644 --- a/arch/arm/mach-imx/busfreq-imx.c +++ b/arch/arm/mach-imx/busfreq-imx.c @@ -268,7 +268,10 @@ static void enter_lpm_imx6_smp(void) update_lpddr2_freq_smp(HIGH_AUDIO_CLK); /* Make sure periph clk's parent also got updated */ imx_clk_set_parent(periph_clk2_sel_clk, pll3_clk); - imx_clk_set_parent(periph_pre_clk, pll2_200_clk); + if (ddr_type == MMDC_MDMISC_DDR_TYPE_DDR3) + imx_clk_set_parent(periph_pre_clk, pll2_200_clk); + else if (ddr_type == MMDC_MDMISC_DDR_TYPE_LPDDR2) + imx_clk_set_parent(periph_pre_clk, pll2_400_clk); imx_clk_set_parent(periph_clk, periph_pre_clk); audio_bus_freq_mode = 1; low_bus_freq_mode = 0; |