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authorFrank Chu <Frank_Chu@pegatron.corp-partner.google.com>2022-02-24 10:39:19 +0800
committerKarthik Ramasubramanian <kramasub@google.com>2022-03-17 15:01:00 +0000
commit1ab50fd5d5215a36e652bc798fd574918fcb4475 (patch)
tree31d1d7cafd52ed4f7b2771757085005f9059639c /src/mainboard/google/dedede
parent5e6fd360de7fe92f1e8b1b3eb20241809e2a6aff (diff)
mb/google/dedede/var/galtic: Add fw_config probe for 2nd touchscreen
For galnat platform, support 2nd ELAN touchscreen via SSFC. Define FW_CONFIG bits 39 - 40 (SSFC bits 7-8) for touchscreen controller switch. BUG=b:221002826 TEST=touch screen is functional. Signed-off-by: Frank Chu <Frank_Chu@pegatron.corp-partner.google.com> Change-Id: Id3501205b147c9dc3c96ce8381a3e7492ae8258e Reviewed-on: https://review.coreboot.org/c/coreboot/+/62315 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com> Reviewed-by: Ivan Chen <yulunchen@google.com> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/mainboard/google/dedede')
-rw-r--r--src/mainboard/google/dedede/variants/galtic/overridetree.cb30
1 files changed, 29 insertions, 1 deletions
diff --git a/src/mainboard/google/dedede/variants/galtic/overridetree.cb b/src/mainboard/google/dedede/variants/galtic/overridetree.cb
index 8004736d31..73a5f49a37 100644
--- a/src/mainboard/google/dedede/variants/galtic/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/galtic/overridetree.cb
@@ -1,4 +1,12 @@
fw_config
+ field TOUCHSCREEN_SOURCE 39 40
+ option TOUCHSCREEN_UNPROVISIONED 0
+ option TOUCHSCREEN_ELAN1001 1
+ option TOUCHSCREEN_ELAN9008 2
+ end
+end
+
+fw_config
field AUDIO_CODEC_SOURCE 41 43
option AUDIO_CODEC_UNPROVISIONED 0
option AUDIO_CODEC_ALC5682 1
@@ -165,7 +173,27 @@ chip soc/intel/jasperlake
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
register "enable_delay_ms" = "1"
register "has_power_resource" = "1"
- device i2c 10 on end
+ device i2c 10 on
+ probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ELAN1001
+ probe TOUCHSCREEN_SOURCE TOUCHSCREEN_UNPROVISIONED
+ end
+ end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN9008""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)"
+ register "generic.enable_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+ register "generic.enable_delay_ms" = "7"
+ register "generic.reset_delay_ms" = "70"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 10 on
+ probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ELAN9008
+ end
end
end # I2C 2
device pci 19.0 on