[PATCH v2 2/2] HID: i2c-hid: elan: Add parade-tc3408 timing
From: Langyan Ye <hidden>
Date: 2025-08-20 12:25:36
Also in:
linux-devicetree, lkml
Subsystem:
hid core layer, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
Parade-tc3408 requires reset to pull down time greater than 10ms, so the configuration post_power_delay_ms is 10, and the chipset initial time is required to be greater than 300ms, so the post_gpio_reset_on_delay_ms is set to 300. Signed-off-by: Langyan Ye <redacted> --- drivers/hid/i2c-hid/i2c-hid-of-elan.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/hid/i2c-hid/i2c-hid-of-elan.c b/drivers/hid/i2c-hid/i2c-hid-of-elan.c
index 3fcff6daa0d3..23826cb808b7 100644
--- a/drivers/hid/i2c-hid/i2c-hid-of-elan.c
+++ b/drivers/hid/i2c-hid/i2c-hid-of-elan.c@@ -179,11 +179,19 @@ static const struct elan_i2c_hid_chip_data ilitek_ili2901_chip_data = { .main_supply_name = "vcc33", }; +static const struct elan_i2c_hid_chip_data parade_tc3408_chip_data = { + .post_power_delay_ms = 10, + .post_gpio_reset_on_delay_ms = 100, + .hid_descriptor_address = 0x0001, + .main_supply_name = "vcc33", +}; + static const struct of_device_id elan_i2c_hid_of_match[] = { { .compatible = "elan,ekth6915", .data = &elan_ekth6915_chip_data }, { .compatible = "elan,ekth6a12nay", .data = &elan_ekth6a12nay_chip_data }, { .compatible = "ilitek,ili9882t", .data = &ilitek_ili9882t_chip_data }, { .compatible = "ilitek,ili2901", .data = &ilitek_ili2901_chip_data }, + { .compatible = "parade,tc3408", .data = ¶de_tc3408_chip_data }, { } }; MODULE_DEVICE_TABLE(of, elan_i2c_hid_of_match);
--
2.34.1