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Input: snvs_pwrkey - support power-off-time-sec

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The power-off time is configured in LPCR[17:16] BTN_PRESS_TIME:

 * b00:  5 seconds (SoC default)
 * b01: 10 seconds
 * b10: 15 seconds
 * b11: PMIC is not disabled

Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
Link: https://lore.kernel.org/r/20250315093455.1100-3-ian.ray@gehealthcare.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Ian Ray
2025-04-30 21:03:14 -07:00
committed by Dmitry Torokhov
parent fe315d6a37
commit 95ea0cf3f6
1 changed files with 25 additions and 0 deletions
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drivers/input/keyboard/snvs_pwrkey.c
+25
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@@ -27,6 +27,8 @@
#define SNVS_HPSR_BTN BIT(6)
#define SNVS_LPSR_SPO BIT(18)
#define SNVS_LPCR_DEP_EN BIT(5)
#define SNVS_LPCR_BPT_SHIFT 16
#define SNVS_LPCR_BPT_MASK (3 << SNVS_LPCR_BPT_SHIFT)
#define DEBOUNCE_TIME 30
#define REPEAT_INTERVAL 60
@@ -114,6 +116,8 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
struct device_node *np;
struct clk *clk;
int error;
unsigned int val;
unsigned int bpt;
u32 vid;
/* Get SNVS register Page */
@@ -148,6 +152,27 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
if (pdata->irq < 0)
return -EINVAL;
error = of_property_read_u32(np, "power-off-time-sec", &val);
if (!error) {
switch (val) {
case 0:
bpt = 0x3;
break;
case 5:
case 10:
case 15:
bpt = (val / 5) - 1;
break;
default:
dev_err(&pdev->dev,
"power-off-time-sec %d out of range\n", val);
return -EINVAL;
}
regmap_update_bits(pdata->snvs, SNVS_LPCR_REG, SNVS_LPCR_BPT_MASK,
bpt << SNVS_LPCR_BPT_SHIFT);
}
regmap_read(pdata->snvs, SNVS_HPVIDR1_REG, &vid);
pdata->minor_rev = vid & 0xff;