Commit fb8bfb48 authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Tzung-Bi Shih
Browse files

platform/chrome: of_hw_prober: Support touchscreen probing on Squirtle 



The MT8186 Squirtle Chromebook is built with one of two possible
touchscreens. Let the prober probe for them.

Signed-off-by: default avatarChen-Yu Tsai <wenst@chromium.org>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250421101248.426929-9-wenst@chromium.org


Signed-off-by: default avatarTzung-Bi Shih <tzungbi@kernel.org>
parent 73d32c3e

drivers/platform/chrome/chromeos_of_hw_prober.c

+16 −0
Original line number Diff line number Diff line
@@ -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",
@@ -93,6 +105,10 @@ 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,