diff options
| author | Bai Ping <ping.bai@nxp.com> | 2018-12-17 16:10:37 +0800 |
|---|---|---|
| committer | Bai Ping <ping.bai@nxp.com> | 2018-12-19 15:03:44 +0800 |
| commit | 0c515e4972c7367d6cb1b75c305117cfc2310f1d (patch) | |
| tree | 87a63c2be7ea02d642ca36dd7bc023a92eb5b127 /arch | |
| parent | 4a75c31bbfddc60f62d0cbc00e463a19552454ca (diff) | |
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)
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/imx8m/clock_imx8mq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mq.c b/arch/arm/mach-imx/imx8m/clock_imx8mq.c index 9d65e6218b..33a4d51f9c 100644 --- a/arch/arm/mach-imx/imx8m/clock_imx8mq.c +++ b/arch/arm/mach-imx/imx8m/clock_imx8mq.c @@ -829,6 +829,11 @@ int clock_init(void) clock_enable(CCGR_TSENSOR, 1); clock_enable(CCGR_OCOTP, 1); + /* config GIC to sys_pll2_200m */ + clock_enable(CCGR_GIC, 0); + clock_set_target_val(GIC_CLK_ROOT, CLK_ROOT_ON | CLK_ROOT_SOURCE_SEL(1)); + clock_enable(CCGR_GIC, 1); + return 0; } #endif |