[PATCH 8/8] platform/chrome: of_hw_prober: Support touchscreen probing on Squirtle
From: Chen-Yu Tsai <wenst@chromium.org>
Date: 2025-03-12 10:44:17
Also in:
chrome-platform, linux-devicetree, linux-input, linux-mediatek, lkml
Subsystem:
chrome hardware platform support, the rest · Maintainers:
Benson Leung, Tzung-Bi Shih, Linus Torvalds
The MT8186 Squirtle Chromebook is built with one of two possible touchscreens. Let the prober probe for them. Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> --- drivers/platform/chrome/chromeos_of_hw_prober.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/platform/chrome/chromeos_of_hw_prober.c b/drivers/platform/chrome/chromeos_of_hw_prober.c
index eb01851e1cf5..a3ec583f316c 100644
--- a/drivers/platform/chrome/chromeos_of_hw_prober.c
+++ b/drivers/platform/chrome/chromeos_of_hw_prober.c@@ -59,6 +59,7 @@ static int chromeos_i2c_component_prober(struct device *dev, const void *_data) DEFINE_CHROMEOS_I2C_PROBE_DATA_DUMB_BY_TYPE(touchscreen); DEFINE_CHROMEOS_I2C_PROBE_DATA_DUMB_BY_TYPE(trackpad); +DEFINE_CHROMEOS_I2C_PROBE_CFG_SIMPLE_BY_TYPE(touchscreen); DEFINE_CHROMEOS_I2C_PROBE_CFG_SIMPLE_BY_TYPE(trackpad); static const struct chromeos_i2c_probe_data chromeos_i2c_probe_hana_trackpad = {
@@ -76,6 +77,17 @@ static const struct chromeos_i2c_probe_data chromeos_i2c_probe_hana_trackpad = { }, }; +static const struct chromeos_i2c_probe_data chromeos_i2c_probe_squirtle_touchscreen = { + .cfg = &chromeos_i2c_probe_simple_touchscreen_cfg, + .opts = &(const struct i2c_of_probe_simple_opts) { + .res_node_compatible = "elan,ekth6a12nay", + .supply_name = "vcc33", + .gpio_name = "reset", + .post_power_on_delay_ms = 10, + .post_gpio_config_delay_ms = 300, + }, +}; + static const struct hw_prober_entry hw_prober_platforms[] = { { .compatible = "google,hana",
@@ -89,6 +101,10 @@ static const struct hw_prober_entry hw_prober_platforms[] = { .compatible = "google,squirtle", .prober = chromeos_i2c_component_prober, .data = &chromeos_i2c_probe_dumb_trackpad, + }, { + .compatible = "google,squirtle", + .prober = chromeos_i2c_component_prober, + .data = &chromeos_i2c_probe_squirtle_touchscreen, }, { .compatible = "google,steelix", .prober = chromeos_i2c_component_prober,
--
2.49.0.rc0.332.g42c0ae87b1-goog