diff mbox series

HID: i2c-hid: goodix: Add ili9882t timing

Message ID 20230519090149.4407-1-yangcong5@huaqin.corp-partner.google.com
State New
Headers show
Series HID: i2c-hid: goodix: Add ili9882t timing | expand

Commit Message

cong yang May 19, 2023, 9:01 a.m. UTC 
The ili9882t is a TDDI IC ((Touch with Display Driver)). It requires the
panel reset gpio to be high before i2c commands. Use a longer delay in
post_power_delay_ms to ensure the poweron sequence.

Signed-off-by: Cong Yang <yangcong5@huaqin.corp-partner.google.com>
---
 drivers/hid/i2c-hid/i2c-hid-of-goodix.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c
index 0060e3dcd775..c5870b683a26 100644
--- a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c
+++ b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c
@@ -101,8 +101,14 @@  static const struct goodix_i2c_hid_timing_data goodix_gt7375p_timing_data = {
 	.post_gpio_reset_delay_ms = 180,
 };
 
+static const struct goodix_i2c_hid_timing_data ilitek_ili9882t_timing_data = {
+	.post_power_delay_ms = 200,
+	.post_gpio_reset_delay_ms = 180,
+};
+
 static const struct of_device_id goodix_i2c_hid_of_match[] = {
 	{ .compatible = "goodix,gt7375p", .data = &goodix_gt7375p_timing_data },
+	{ .compatible = "ilitek,ili9882t", .data = &ilitek_ili9882t_timing_data },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, goodix_i2c_hid_of_match);