Furquan Shaikh merged this change.
mb/google/octopus/variants/fleex: Enable EMR function for Grob360S
Enable EMR Pen Stylus function for Grob360S
BUG=b:135968368
BRANCH=octopus
TEST=EMR function working normally with HW reworked Fleex.
Change-Id: Ia220dc0d3051b79b110b4df66df108f701776478
Signed-off-by: Chris Zhou <chris_zhou@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33802
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
M src/mainboard/google/octopus/variants/fleex/gpio.c
M src/mainboard/google/octopus/variants/fleex/overridetree.cb
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/src/mainboard/google/octopus/variants/fleex/gpio.c b/src/mainboard/google/octopus/variants/fleex/gpio.c
index 89adfb8..d2d0d64 100644
--- a/src/mainboard/google/octopus/variants/fleex/gpio.c
+++ b/src/mainboard/google/octopus/variants/fleex/gpio.c
@@ -30,7 +30,8 @@
PAD_NC(GPIO_138, UP_20K),
PAD_NC(GPIO_139, UP_20K),
- PAD_NC(GPIO_140, UP_20K),
+ /* GPIO_140 -- PEN_RESET */
+ PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_140, 0, DEEP, NONE, Tx1RxDCRx0, DISPUPD),
PAD_NC(GPIO_143, UP_20K),
PAD_NC(GPIO_144, UP_20K),
PAD_NC(GPIO_145, UP_20K),
diff --git a/src/mainboard/google/octopus/variants/fleex/overridetree.cb b/src/mainboard/google/octopus/variants/fleex/overridetree.cb
index 19246e0..da4e701 100644
--- a/src/mainboard/google/octopus/variants/fleex/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/fleex/overridetree.cb
@@ -61,6 +61,9 @@
.speed_mhz = 1,
.early_init = 1,
},
+ .i2c[0] = {
+ .speed = I2C_SPEED_FAST,
+ },
.i2c[5] = {
.speed = I2C_SPEED_FAST,
.rise_time_ns = 104,
@@ -80,7 +83,20 @@
}"
device domain 0 on
- device pci 16.0 off end # - I2C 0
+ device pci 16.0 on
+ chip drivers/i2c/hid
+ register "generic.hid" = ""WCOM50C1""
+ register "generic.desc" = ""WCOM Digitizer""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_139_IRQ)"
+ register "generic.reset_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.has_power_resource" = "1"
+ register "generic.probed" = "1"
+ register "hid_desc_reg_offset" = "0x1"
+ device i2c 0x9 on end
+ end
+ end # - I2C 0
device pci 16.1 off end # - I2C 1
device pci 17.1 on
chip drivers/i2c/da7219
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