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ec/system76/ec: Add config for 2nd fan without GPU

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The darp10 has a second fan but no dGPU. The NFAN Method must exist, so
use the default hwmon names of "fan1" and "fan2" for labels.

Change-Id: I553deefea374b9dd916be6611850fca61afd490d
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87068
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jeremy Soller <jeremy@system76.com>
This commit is contained in:
Tim Crawford 2025-04-01 10:51:16 -06:00 • committed by Matt DeVillier
commit ca9616b984
3 changed files with 17 additions and 4 deletions
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12
src/ec/system76/ec/Kconfig
View file

@ -6,16 +6,22 @@ config EC_SYSTEM76_EC
System76 EC
config EC_SYSTEM76_EC_BAT_THRESHOLDS
depends on EC_SYSTEM76_EC
bool
default y
depends on EC_SYSTEM76_EC
config EC_SYSTEM76_EC_FAN2
bool
default n
depends on EC_SYSTEM76_EC
config EC_SYSTEM76_EC_DGPU
depends on EC_SYSTEM76_EC
bool
default n
select EC_SYSTEM76_EC_FAN2
depends on EC_SYSTEM76_EC
config EC_SYSTEM76_EC_OLED
depends on EC_SYSTEM76_EC
bool
default n
depends on EC_SYSTEM76_EC

7
src/ec/system76/ec/acpi/s76.asl
View file

@ -126,9 +126,14 @@ Device (S76D) {
// Fan names
Method (NFAN, 0, Serialized) {
Return (Package() {
"CPU fan",
#if CONFIG(EC_SYSTEM76_EC_DGPU)
"CPU fan",
"GPU fan",
#elif CONFIG(EC_SYSTEM76_EC_FAN2)
"fan1",
"fan2",
#else
"CPU fan",
#endif
})
}

2
src/mainboard/system76/mtl/Kconfig
View file

@ -26,12 +26,14 @@ config BOARD_SYSTEM76_MTL_COMMON
config BOARD_SYSTEM76_DARP10
select BOARD_SYSTEM76_MTL_COMMON
select EC_SYSTEM76_EC_FAN2
select MAINBOARD_USES_IFD_GBE_REGION
select SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
select SOC_INTEL_METEORLAKE_U_H
config BOARD_SYSTEM76_DARP10_B
select BOARD_SYSTEM76_MTL_COMMON
select EC_SYSTEM76_EC_FAN2
select MAINBOARD_USES_IFD_GBE_REGION
select SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
select SOC_INTEL_METEORLAKE_U_H