Eric Lee / smarc-uboot

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Commit 0c515e4972c7367d6cb1b75c305117cfc2310f1d

Authored by Bai Ping
1 parent 4a75c31bbf
Exists in smarc-imx_v2018.03_4.14.78_1.0.0_ga

MLK-20602 imx8mq: Change clock source of GIC 

Change the the GIC clock source to sys_pll2_200m.
Improve the IRQ response latency.

Signed-off-by: Bai Ping <ping.bai@nxp.com>
(cherry picked from commit f4c76d52da9c272b275adf26145d033099cd1974)

Showing 1 changed file with 5 additions and 0 deletions Side-by-side Diff

arch/arm/mach-imx/imx8m/clock_imx8mq.c
Diff comments   View file @ 0c515e4
... ... @@ -829,6 +829,11 @@
829 829 clock_enable(CCGR_TSENSOR, 1);
830 830 clock_enable(CCGR_OCOTP, 1);
831 831  
  832 + /* config GIC to sys_pll2_200m */
  833 + clock_enable(CCGR_GIC, 0);
  834 + clock_set_target_val(GIC_CLK_ROOT, CLK_ROOT_ON | CLK_ROOT_SOURCE_SEL(1));
  835 + clock_enable(CCGR_GIC, 1);
  836 +
832 837 return 0;
833 838 }
834 839 #endif