diff mbox series

[v3,2/2] HID: i2c-hid: elan: Add ili2901 timing

Message ID 20231227085013.1317-3-xiazhengqiao@huaqin.corp-partner.google.com (mailing list archive)
State New
Delegated to: Jiri Kosina
Headers show
Series HID: i2c-hid: elan: Add ili2901 timing | expand

Commit Message

Zhengqiao Xia Dec. 27, 2023, 8:50 a.m. UTC 
ILI2901 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 100ms,
so the post_gpio_reset_on_delay_ms is set to 100.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Zhengqiao Xia <xiazhengqiao@huaqin.corp-partner.google.com>
---
 drivers/hid/i2c-hid/i2c-hid-of-elan.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/hid/i2c-hid/i2c-hid-of-elan.c b/drivers/hid/i2c-hid/i2c-hid-of-elan.c
index 31abab57ad44..5b91fb106cfc 100644
--- a/drivers/hid/i2c-hid/i2c-hid-of-elan.c
+++ b/drivers/hid/i2c-hid/i2c-hid-of-elan.c
@@ -130,9 +130,17 @@  static const struct elan_i2c_hid_chip_data ilitek_ili9882t_chip_data = {
 	.main_supply_name = NULL,
 };
 
+static const struct elan_i2c_hid_chip_data ilitek_ili2901_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 = "ilitek,ili9882t", .data = &ilitek_ili9882t_chip_data },
+	{ .compatible = "ilitek,ili2901", .data = &ilitek_ili2901_chip_data },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, elan_i2c_hid_of_match);