On Mon, Apr 21, 2025 at 06:12:46PM +0800, Chen-Yu Tsai wrote:
> 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: Benson Leung <bleung@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 10dbaede0541..f3cd612e5584 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",
> @@ -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,
> --
> 2.49.0.805.g082f7c87e0-goog
>