diff options
| author | Karthikeyan Ramasubramanian <kramasub@google.com> | 2021-03-30 15:34:47 -0600 |
|---|---|---|
| committer | Karthik Ramasubramanian <kramasub@google.com> | 2021-04-02 16:16:14 +0000 |
| commit | 0f4191204bc7c8f45b6d34624674cf21fc3b418e (patch) | |
| tree | ecf1f6d0bc47341588a14133aa98b6dc5e155841 | |
| parent | 9965228c662b25abfe3c16cbef82640074d79839 (diff) | |
| download | coreboot-0f4191204bc7c8f45b6d34624674cf21fc3b418e.tar.xz | |
mb/google/guybrush: Add Elan Touchpad configuration
Enable Touchpad by configuring the enable GPIO to logic high. Add
touchpad configuration for ELAN touchpad.
BUG=b:182207444
TEST=Build and boot to OS in Guybrush. Ensure that the trackpad events
are detected using evtest.
Change-Id: Ib47fbb33f2b181eb85f6ded98a5b0ce08fbc7b64
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51962
Reviewed-by: Mathew King <mathewk@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/mainboard/google/guybrush/variants/baseboard/gpio.c | 2 | ||||
| -rw-r--r-- | src/mainboard/google/guybrush/variants/guybrush/overridetree.cb | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/mainboard/google/guybrush/variants/baseboard/gpio.c b/src/mainboard/google/guybrush/variants/baseboard/gpio.c index e386658624..ba392b4de9 100644 --- a/src/mainboard/google/guybrush/variants/baseboard/gpio.c +++ b/src/mainboard/google/guybrush/variants/baseboard/gpio.c @@ -22,7 +22,7 @@ static const struct soc_amd_gpio base_gpio_table[] = { /* EN_PP3300_WLAN */ PAD_GPO(GPIO_6, LOW), /* EN_PP3300_TCHPAD */ - PAD_GPO(GPIO_7, LOW), + PAD_GPO(GPIO_7, HIGH), /* EN_PWR_WWAN_X */ PAD_GPO(GPIO_8, LOW), /* SOC_TCHPAD_INT_ODL */ diff --git a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb index 286ba28c45..5f9b037c60 100644 --- a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb +++ b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb @@ -61,4 +61,14 @@ chip soc/amd/cezanne .early_init = true, }" + device ref i2c_0 on + chip drivers/i2c/generic + register "hid" = ""ELAN0000"" + register "desc" = ""ELAN Touchpad"" + register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_9)" + register "wake" = "GEVENT_22" + register "probed" = "1" + device i2c 15 on end + end + end # I2C0 end # chip soc/amd/cezanne |