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Wed, 12 Mar 2025 03:44:16 -0700 (PDT) From: Chen-Yu Tsai To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Benson Leung , Tzung-Bi Shih , Dmitry Torokhov Cc: Chen-Yu Tsai , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, chrome-platform@lists.linux.dev, linux-input@vger.kernel.org, Douglas Anderson Subject: [PATCH 8/8] platform/chrome: of_hw_prober: Support touchscreen probing on Squirtle Date: Wed, 12 Mar 2025 18:43:42 +0800 Message-ID: <20250312104344.3084425-9-wenst@chromium.org> X-Mailer: git-send-email 2.49.0.rc0.332.g42c0ae87b1-goog In-Reply-To: <20250312104344.3084425-1-wenst@chromium.org> References: <20250312104344.3084425-1-wenst@chromium.org> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The MT8186 Squirtle Chromebook is built with one of two possible touchscreens. Let the prober probe for them. Signed-off-by: Chen-Yu Tsai --- 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,