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platform/chrome: of_hw_prober: Support touchscreen probing on Squirtle

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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>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250421101248.426929-9-wenst@chromium.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
This commit is contained in:
Chen-Yu Tsai
2025-04-25 02:16:24 +00:00
committed by Tzung-Bi Shih
parent 73d32c3e74
commit fb8bfb48a4
1 changed files with 16 additions and 0 deletions
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drivers/platform/chrome/chromeos_of_hw_prober.c
+16
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@@ -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,