mb/google/nissa/var/joxer: enable ELAN and G2touch touchscreen
Update overridetree to support ELAN and G2_G7500 touchscreen.
BUG=b:285477026
TEST=emerge-nissa coreboot and check touchscreen function
Signed-off-by: Mark Hsieh <mark_hsieh@wistron.corp-partner.google.com>
Change-Id: I236a2815f956929c6cd84c981cb15e9ab0f657b7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75762
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/brya/variants/joxer/gpio.c b/src/mainboard/google/brya/variants/joxer/gpio.c
index ec7ef79..b1dcd4a 100644
--- a/src/mainboard/google/brya/variants/joxer/gpio.c
+++ b/src/mainboard/google/brya/variants/joxer/gpio.c
@@ -17,6 +17,9 @@
/* B6 : SOC_I2C_SUB_SCL ==> NC */
PAD_NC_LOCK(GPP_B6, NONE, LOCK_CONFIG),
+ /* C1 : SMBDATA ==> TCHSCR_RST_L */
+ PAD_CFG_GPO(GPP_C1, 1, DEEP),
+
/* D3 : WCAM_RST_L ==> NC */
PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
/* D15 : EN_PP2800_WCAM_X ==> NC */
@@ -78,6 +81,11 @@
};
static const struct pad_config romstage_gpio_table[] = {
+ /* Enable touchscreen, hold in reset */
+ /* C0 : SMBCLK ==> EN_PP3300_TCHSCR_X */
+ PAD_CFG_GPO(GPP_C0, 1, DEEP),
+ /* C1 : SMBDATA ==> TCHSCR_RST_L */
+ PAD_CFG_GPO(GPP_C1, 0, DEEP),
/* H12 : UART0_RTS# ==> SD_PERST_L */
PAD_CFG_GPO(GPP_H12, 1, DEEP),
/* H20 : IMGCLKOUT1 ==> WLAN_PERST_L */
diff --git a/src/mainboard/google/brya/variants/joxer/overridetree.cb b/src/mainboard/google/brya/variants/joxer/overridetree.cb
index e591b13..dbfeb6d 100644
--- a/src/mainboard/google/brya/variants/joxer/overridetree.cb
+++ b/src/mainboard/google/brya/variants/joxer/overridetree.cb
@@ -133,11 +133,59 @@
end
end
device ref i2c1 on
+ chip drivers/i2c/generic
+ register "hid" = ""ELAN0001""
+ register "desc" = ""ELAN Touchscreen""
+ register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
+ register "detect" = "1"
+ register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
+ register "reset_delay_ms" = "20"
+ register "reset_off_delay_ms" = "2"
+ register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+ register "stop_delay_ms" = "280"
+ register "stop_off_delay_ms" = "2"
+ register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+ register "enable_delay_ms" = "1"
+ register "has_power_resource" = "1"
+ device i2c 10 on end
+ end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN2513""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
+ register "generic.detect" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.reset_off_delay_ms" = "2"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+ register "generic.stop_delay_ms" = "280"
+ register "generic.stop_off_delay_ms" = "2"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+ register "generic.enable_delay_ms" = "1"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 15 on end
+ end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""GTCH7503""
+ register "generic.desc" = ""G2TOUCH Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
+ register "generic.detect" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
+ register "generic.reset_delay_ms" = "50"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+ register "generic.stop_delay_ms" = "30"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+ register "generic.enable_delay_ms" = "1"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 40 on end
+ end
chip drivers/i2c/hid
register "generic.hid" = ""GDIX0000""
register "generic.desc" = ""Goodix Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
- register "generic.probed" = "1"
+ register "generic.detect" = "1"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "20"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"