diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2014-02-10 16:21:05 -0800 |
|---|---|---|
| committer | Isaac Christensen <isaac.christensen@se-eng.com> | 2014-09-19 21:38:34 +0200 |
| commit | e6b280e24b02552dc43510ed7fadce4a7105e4a2 (patch) | |
| tree | 60996f44c59f59e2faa0c5e48a8490b510bedcab /src/ec/google/chromeec/acpi | |
| parent | 0c0efa7e50fdd75c6154af67d2ddbebe317c7b55 (diff) | |
| download | coreboot-e6b280e24b02552dc43510ed7fadce4a7105e4a2.tar.xz | |
chrome ec: Add support for limiting charger current
Update the ec_commands header (direct from EC source) and
add support for the new charger current limit interface
which will be used by DPTF.
Change-Id: Ia9a2a84b612a2982dbe996f07a856be6cd53ebdb
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/185758
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 1fcca2d75856ecefd3aeb1c551182aa76d649466)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6925
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/ec/google/chromeec/acpi')
| -rw-r--r-- | src/ec/google/chromeec/acpi/ec.asl | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl index 1d698a1f1e..5218c88c40 100644 --- a/src/ec/google/chromeec/acpi/ec.asl +++ b/src/ec/google/chromeec/acpi/ec.asl @@ -52,6 +52,7 @@ Device (EC0) PATI, 8, // Programmable Auxiliary Trip Sensor ID PATT, 8, // Programmable Auxiliary Trip Threshold PATC, 8, // Programmable Auxiliary Trip Commit + CHGL, 8, // Charger Current Limit } OperationRegion (EMEM, SystemIO, EC_LPC_ADDR_MEMMAP, EC_MEMMAP_SIZE) @@ -380,7 +381,7 @@ Device (EC0) /* * Thermal Threshold Event - */ + */ Method (_Q09, 0, NotSerialized) { If (Acquire (^PATM, 1000)) { @@ -404,6 +405,23 @@ Device (EC0) Release (^PATM) } + /* + * Set Charger Current Limit + * Arg0 = Current Limit in 64mA steps + */ + Method (CHGS, 1, Serialized) + { + Store (ToInteger (Arg0), ^CHGL) + } + + /* + * Disable Charger Current Limit + */ + Method (CHGD, 0, Serialized) + { + Store (0xFF, ^CHGL) + } + #include "ac.asl" #include "battery.asl" } |