Messages in this thread Patch in this message | | | From | Wenhua Lin <> | Subject | [PATCH V2 1/4] gpio: sprd: In the sleep state, the eic debounce clk must be forced open | Date | Thu, 21 Sep 2023 17:00:24 +0800 |
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In the sleep state, Eic debounce has no clock and the clk of debounce needs to be forced open, so that eic can wake up normally.
Fixes: 2788938b7946 ("gpio: eic-sprd: Make the irqchip immutable")
Signed-off-by: Wenhua Lin <Wenhua.Lin@unisoc.com> --- drivers/gpio/gpio-eic-sprd.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index 84352a6f4973..bfa8a4c7515a 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -23,6 +23,7 @@ #define SPRD_EIC_DBNC_IC 0x24 #define SPRD_EIC_DBNC_TRIG 0x28 #define SPRD_EIC_DBNC_CTRL0 0x40 +#define SPRD_EIC_DBNC_FORCE_CLK 0x8000 #define SPRD_EIC_LATCH_INTEN 0x0 #define SPRD_EIC_LATCH_INTRAW 0x4 @@ -214,6 +215,7 @@ static int sprd_eic_set_debounce(struct gpio_chip *chip, unsigned int offset, u32 value = readl_relaxed(base + reg) & ~SPRD_EIC_DBNC_MASK; value |= (debounce / 1000) & SPRD_EIC_DBNC_MASK; + value |= SPRD_EIC_DBNC_FORCE_CLK; writel_relaxed(value, base + reg); return 0; -- 2.17.1
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