diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1078-introduce-bq27000-battery-driver.patch.patch')
| -rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1078-introduce-bq27000-battery-driver.patch.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1078-introduce-bq27000-battery-driver.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1078-introduce-bq27000-battery-driver.patch.patch new file mode 100755 index 0000000000..b258bee448 --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.26/1078-introduce-bq27000-battery-driver.patch.patch @@ -0,0 +1,73 @@ +From ee70eb69aca0855f8deea2d6792bca29f5f64c8d Mon Sep 17 00:00:00 2001 +From: Andy Green <andy@openmoko.com> +Date: Fri, 25 Jul 2008 23:06:00 +0100 +Subject: [PATCH] introduce-bq27000-battery-driver.patch + +This is a driver for the bq27000 found in the Highcell A5 +battery, and the platform device stuff for it for GTA02. It +is a Power Supply Class battery device. + +The driver doesn't contain an HDQ engine but accepts pointers +from the platform data to the HDQ action routines; our +platform data plugs it into the FIQ HDQ engine stuff. + +The Power Supply class exposes the battery down /sys so you +can find out battery status by doing the equivalent of this +bash command + +for i in capacity charge_full current_now present status technology temp time_to_empty_now time_to_full_now type voltage_now ; do echo -n "$i " ; cat /sys/devices/platform/bq27000-battery.0/power_supply/bat/$i ; done + +Here is the kind of result you get from a battery discharging + +capacity 0 +charge_full 1215585 +current_now 183375 +present 1 +status Discharging +technology Li-ion +temp 276 +time_to_empty_now 0 +time_to_full_now 3932100 +type Battery +voltage_now 2761000 + +Note that temp is in 1/10 degrees C, other values are in uV, +uA, uW. The time_to_* reported are bogus, but that is what +the battery actually reports. + +We can make more mappings to entries in power_supply class +but this is enough to get started with. + +Signed-off-by: Andy Green <andy@openmoko.com> +--- + defconfig-2.6.24 | 1 + + drivers/power/Kconfig | 7 ------- + 2 files changed, 1 insertions(+), 7 deletions(-) + +diff --git a/defconfig-2.6.24 b/defconfig-2.6.24 +index 6d750a5..9467f4b 100644 +--- a/defconfig-2.6.24 ++++ b/defconfig-2.6.24 +@@ -1826,3 +1826,4 @@ CONFIG_PLIST=y + CONFIG_HAS_IOMEM=y + CONFIG_HAS_DMA=y + CONFIG_GTA02_HDQ=y ++CONFIG_BATTERY_BQ27000_HDQ=y +diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig +index 5ace872..8c50ecb 100644 +--- a/drivers/power/Kconfig ++++ b/drivers/power/Kconfig +@@ -64,10 +64,3 @@ config GTA02_HDQ + + endif # POWER_SUPPLY + +-config GTA02_HDQ +- tristate "Neo Freerunner HDQ" +- depends on MACH_NEO1973_GTA02 && FIQ && S3C2440_C_FIQ +- help +- Say Y to enable support for communicating with an HDQ battery +- on the Neo Freerunner. You probably want to select +- at least BATTERY_BQ27000_HDQ as well +-- +1.5.6.3 + |