diff options
| author | Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com> | 2023-05-18 17:28:42 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-05-24 11:24:44 +0000 |
| commit | a6d337badf0dbc6e56c9debc3062ce7f85ce863b (patch) | |
| tree | 7a99fb6910f37c6884d17b69bb0c76a787c8176a /src | |
| parent | b7dc12dc6c55f5664fb716095f9faea107a48771 (diff) | |
mb/google/nissa/var/uldren: Add fw_config probe for touchscreen
Use fw_config to probe touchscreen.
BUG=b:283199751
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot chromeos-bootimage
Change-Id: I5d8129b3af3aa09e5bc31160de82d9ef7af0dd59
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75335
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jakub Czapiga <jacz@semihalf.com>
Reviewed-by: Derek Huang <derekhuang@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/uldren/overridetree.cb | 37 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/uldren/variant.c | 23 |
2 files changed, 55 insertions, 5 deletions
diff --git a/src/mainboard/google/brya/variants/uldren/overridetree.cb b/src/mainboard/google/brya/variants/uldren/overridetree.cb index 9ca61b7c4e..fa20808e78 100644 --- a/src/mainboard/google/brya/variants/uldren/overridetree.cb +++ b/src/mainboard/google/brya/variants/uldren/overridetree.cb @@ -1,3 +1,15 @@ +fw_config + field TOUCHSCREEN 10 12 + option TOUCHSCREEN_UNKNOWN 0 + option TOUCHSCREEN_NONE 1 + option TOUCHSCREEN_EKTH7D18 2 + option TOUCHSCREEN_GT7996F 3 + option TOUCHSCREEN_EKTH5012 4 + option TOUCHSCREEN_WDT8752A 5 + option TOUCHSCREEN_GTCH7502 6 + end +end + chip soc/intel/alderlake register "sagv" = "SaGv_Enabled" @@ -159,7 +171,10 @@ chip soc/intel/alderlake register "generic.enable_delay_ms" = "1" register "generic.has_power_resource" = "1" register "hid_desc_reg_offset" = "0x20" - device i2c 2c on end + device i2c 2c on + probe TOUCHSCREEN TOUCHSCREEN_UNKNOWN + probe TOUCHSCREEN TOUCHSCREEN_WDT8752A + end end chip drivers/i2c/generic register "hid" = ""ELAN0001"" @@ -175,7 +190,10 @@ chip soc/intel/alderlake 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 + device i2c 10 on + probe TOUCHSCREEN TOUCHSCREEN_UNKNOWN + probe TOUCHSCREEN TOUCHSCREEN_EKTH5012 + end end chip drivers/i2c/hid register "generic.hid" = ""ELAN900C"" @@ -191,7 +209,10 @@ chip soc/intel/alderlake register "generic.enable_delay_ms" = "6" register "generic.has_power_resource" = "1" register "hid_desc_reg_offset" = "0x01" - device i2c 16 on end + device i2c 16 on + probe TOUCHSCREEN TOUCHSCREEN_UNKNOWN + probe TOUCHSCREEN TOUCHSCREEN_EKTH7D18 + end end chip drivers/i2c/hid register "generic.hid" = ""GXTP7996"" @@ -206,7 +227,10 @@ chip soc/intel/alderlake register "generic.enable_delay_ms" = "10" register "generic.has_power_resource" = "1" register "hid_desc_reg_offset" = "0x01" - device i2c 5d on end + device i2c 5d on + probe TOUCHSCREEN TOUCHSCREEN_UNKNOWN + probe TOUCHSCREEN TOUCHSCREEN_GT7996F + end end chip drivers/i2c/hid register "generic.hid" = ""GTCH7502"" @@ -221,7 +245,10 @@ chip soc/intel/alderlake register "generic.enable_delay_ms" = "30" register "generic.has_power_resource" = "1" register "hid_desc_reg_offset" = "0x01" - device i2c 40 on end + device i2c 40 on + probe TOUCHSCREEN TOUCHSCREEN_UNKNOWN + probe TOUCHSCREEN TOUCHSCREEN_GTCH7502 + end end end device ref i2c3 on diff --git a/src/mainboard/google/brya/variants/uldren/variant.c b/src/mainboard/google/brya/variants/uldren/variant.c index 6a79780f6e..d9a6565eed 100644 --- a/src/mainboard/google/brya/variants/uldren/variant.c +++ b/src/mainboard/google/brya/variants/uldren/variant.c @@ -1,8 +1,31 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <baseboard/gpio.h> +#include <baseboard/variants.h> +#include <console/console.h> #include <sar.h> +static const struct pad_config touchscreen_disable_pads[] = { + /* C0 : SMBCLK ==> EN_PP3300_TCHSCR_X */ + PAD_NC(GPP_C0, NONE), + /* C1 : SMBDATA ==> TCHSCR_RST_L */ + PAD_NC(GPP_C1, NONE), + /* H6 : I2C1_SDA ==> SOC_I2C_TCHSCR_SDA */ + PAD_NC(GPP_H6, NONE), + /* H7 : I2C1_SCL ==> SOC_I2C_TCHSCR_SCL */ + PAD_NC(GPP_H7, NONE), +}; + const char *get_wifi_sar_cbfs_filename(void) { return "wifi_sar_0.hex"; } + +void fw_config_gpio_padbased_override(struct pad_config *padbased_table) +{ + if (fw_config_probe(FW_CONFIG(TOUCHSCREEN, TOUCHSCREEN_NONE))) { + printk(BIOS_INFO, "Disable touchscreen GPIO pins.\n"); + gpio_padbased_override(padbased_table, touchscreen_disable_pads, + ARRAY_SIZE(touchscreen_disable_pads)); + } +} |