diff options
| author | Zhou Jingyu <b02241@freescale.com> | 2010-02-24 16:35:17 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-05-25 11:17:17 +0200 |
| commit | a5d45ab631b4bbe4fb4ae402d12ae1b7e0e7e9b1 (patch) | |
| tree | 0a2cc682133efcfa44e2dc1bbe5bd9b7573388ab /arch/arm/mach-mx28 | |
| parent | a71d6807af088647720baeff6cf4a75fdc49b9a5 (diff) | |
ENGR00117740-2 mxs battery driver, porting
mxs battery driver, porting
Signed-off-by: Zhou Jingyu <Jingyu.Zhou@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
Diffstat (limited to 'arch/arm/mach-mx28')
| -rw-r--r-- | arch/arm/mach-mx28/device.c | 84 | ||||
| -rw-r--r-- | arch/arm/mach-mx28/include/mach/mx28.h | 5 |
2 files changed, 88 insertions, 1 deletions
diff --git a/arch/arm/mach-mx28/device.c b/arch/arm/mach-mx28/device.c index b3343eb7ac47..39012dc06222 100644 --- a/arch/arm/mach-mx28/device.c +++ b/arch/arm/mach-mx28/device.c @@ -38,6 +38,7 @@ #include <mach/dma.h> #include <mach/lradc.h> #include <mach/lcdif.h> +#include <mach/ddi_bc.h> #include "device.h" #include "mx28_pins.h" @@ -884,6 +885,87 @@ static inline void mx28_init_flexcan(void) { } #endif +#if defined(CONFIG_BATTERY_MXS) +/* battery info data */ +static ddi_bc_Cfg_t battery_data = { + .u32StateMachinePeriod = 100, /* ms */ + .u16CurrentRampSlope = 75, /* mA/s */ + .u16ConditioningThresholdVoltage = 2900, /* mV */ + .u16ConditioningMaxVoltage = 3000, /* mV */ + .u16ConditioningCurrent = 60, /* mA */ + .u32ConditioningTimeout = 4*60*60*1000, /* ms (4 hours) */ + .u16ChargingVoltage = 4200, /* mV */ + /* FIXME: the current comparator could have h/w bugs in current + * detection through POWER_STS.CHRGSTS bit */ + .u16ChargingCurrent = 600, /* mA 600 */ + .u16ChargingThresholdCurrent = 60, /* mA 60 */ + .u32ChargingTimeout = 4*60*60*1000,/* ms (4 hours) */ + .u32TopOffPeriod = 30*60*1000, /* ms (30 minutes) */ + .monitorDieTemp = 1, /* Monitor the die */ + .u8DieTempHigh = 75, /* deg centigrade */ + .u8DieTempLow = 65, /* deg centigrade */ + .u16DieTempSafeCurrent = 0, /* mA */ + .monitorBatteryTemp = 0, /* Monitor the battery*/ + .u8BatteryTempChannel = 1, /* LRADC 1 */ + .u16BatteryTempHigh = 642, /* Unknown units */ + .u16BatteryTempLow = 497, /* Unknown units */ + .u16BatteryTempSafeCurrent = 0, /* mA */ +}; + +static struct resource battery_resource[] = { + {/* 0 */ + .flags = IORESOURCE_IRQ, + .start = IRQ_VDD5V, + .end = IRQ_VDD5V, + }, + {/* 1 */ + .flags = IORESOURCE_IRQ, + .start = IRQ_DCDC4P2_BRNOUT, + .end = IRQ_DCDC4P2_BRNOUT, + }, + {/* 2 */ + .flags = IORESOURCE_IRQ, + .start = IRQ_BATT_BRNOUT, + .end = IRQ_BATT_BRNOUT, + }, + {/* 3 */ + .flags = IORESOURCE_IRQ, + .start = IRQ_VDDD_BRNOUT, + .end = IRQ_VDDD_BRNOUT, + }, + {/* 4 */ + .flags = IORESOURCE_IRQ, + .start = IRQ_VDDA_BRNOUT, + .end = IRQ_VDDA_BRNOUT, + }, + {/* 5 */ + .flags = IORESOURCE_IRQ, + .start = IRQ_VDDIO_BRNOUT, + .end = IRQ_VDDIO_BRNOUT, + }, + {/* 6 */ + .flags = IORESOURCE_IRQ, + .start = IRQ_VDD5V_DROOP, + .end = IRQ_VDD5V_DROOP, + }, +}; + +static void mx28_init_battery(void) +{ + struct platform_device *pdev; + pdev = mxs_get_device("mxs-battery", 0); + if (pdev) { + pdev->resource = battery_resource, + pdev->num_resources = ARRAY_SIZE(battery_resource), + pdev->dev.platform_data = &battery_data; + mxs_add_device(pdev, 3); + } +} +#else +static void mx28_init_battery(void) +{ +} +#endif #if defined(CONFIG_CRYPTO_DEV_DCP) @@ -939,6 +1021,8 @@ int __init mx28_device_init(void) mx28_init_lcdif(); mx28_init_pxp(); mx28_init_dcp(); + mx28_init_battery(); + return 0; } diff --git a/arch/arm/mach-mx28/include/mach/mx28.h b/arch/arm/mach-mx28/include/mach/mx28.h index 1680f06a7f16..465336b4b44b 100644 --- a/arch/arm/mach-mx28/include/mach/mx28.h +++ b/arch/arm/mach-mx28/include/mach/mx28.h @@ -80,7 +80,7 @@ /* IRQ Definitions */ #define IRQ_BATT_BRNOUT 0 -#define IRQ_VDD_BRNOUT 1 +#define IRQ_VDDD_BRNOUT 1 #define IRQ_VDDIO_BRNOUT 2 #define IRQ_VDDA_BRNOUT 3 #define IRQ_VDD5V_DROOP 4 @@ -210,6 +210,9 @@ #define ARCH_NR_IRQS 128 +/* On i.MX28, all interrupt sources can be configured as FIQ */ +#define FIQ_START IRQ_BATT_BRNOUT + #define MX28_SOC_IO_ADDRESS(x) \ ((x) - MX28_SOC_IO_PHYS_BASE + MX28_SOC_IO_VIRT_BASE) |