Some MediaTek SoC like MT8516 need to enable additional clocks for the GPT timer. Enable them if present.
Signed-off-by: Fabien Parent <[email protected]> --- drivers/clocksource/timer-mediatek.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/clocksource/timer-mediatek.c b/drivers/clocksource/timer-mediatek.c index 9318edcd8963..42e2d2090484 100644 --- a/drivers/clocksource/timer-mediatek.c +++ b/drivers/clocksource/timer-mediatek.c @@ -9,6 +9,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/clk.h> #include <linux/clockchips.h> #include <linux/clocksource.h> #include <linux/interrupt.h> @@ -278,8 +279,19 @@ static int __init mtk_syst_init(struct device_node *node) static int __init mtk_gpt_init(struct device_node *node) { + struct clk *clk_13m, *clk_bus; int ret; + /* Optional clock*/ + clk_13m = of_clk_get_by_name(node, "clk13m"); + if (!IS_ERR(clk_13m)) + clk_prepare_enable(clk_13m); + + /* Optional clock*/ + clk_bus = of_clk_get_by_name(node, "bus"); + if (!IS_ERR(clk_bus)) + clk_prepare_enable(clk_bus); + to.clkevt.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT; to.clkevt.set_state_shutdown = mtk_gpt_clkevt_shutdown; to.clkevt.set_state_periodic = mtk_gpt_clkevt_set_periodic; -- 2.28.0
