diff options
| author | Rob Herring <rob.herring@linaro.org> | 2015-03-04 14:04:15 -0600 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2015-04-07 16:14:26 -0500 |
| commit | 26fc673a510322c3703d8c8319b49acbb4140804 (patch) | |
| tree | dcd5ea72c5dbcc1807870a81ac4978ed115b2e22 | |
| parent | 163a5c261ef9dade49099db0d6d63799fb765bc4 (diff) | |
arm: pxa1928_ara: Drive GPI0120/BG_POWER_EN_D high
Force enable AP bridge regulators by driving GPIO120 high. Evidently just
pulling either BG_POWER_EN_D or VCHG_DET high is not enough to assert
BG_POWER_EN. The BDB WAKE/DETECT signal doesn't seem to work either.
Change-Id: I31418b1721c6ba5ccf43a16a8303f9f371a28616
Signed-off-by: Rob Herring <rob.herring@linaro.org>
| -rw-r--r-- | arch/arm/include/asm/arch-pxa1928/mfp.h | 1 | ||||
| -rw-r--r-- | board/Marvell/pxa1928_ara/pxa1928_ara.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-pxa1928/mfp.h b/arch/arm/include/asm/arch-pxa1928/mfp.h index 9288e531db..4c0092fe40 100644 --- a/arch/arm/include/asm/arch-pxa1928/mfp.h +++ b/arch/arm/include/asm/arch-pxa1928/mfp.h @@ -168,6 +168,7 @@ #define GPIO54_MFP54 (MFP_REG(0x1C8) | MFP_AF0 | MFP_DRIVE_SLOW) #define GPIO118_MFP118 (MFP_REG(0x1E8) | MFP_AF0 | MFP_PULL_HIGH) +#define GPIO120_MFP120 (MFP_REG(0x1F0) | MFP_AF0 | MFP_DRIVE_SLOW | MFP_PULL_HIGH) /* GPIO 136::138 */ #define GPIO136_MFP136 (MFP_REG(0x4) | MFP_AF1 | MFP_DRIVE_SLOW) diff --git a/board/Marvell/pxa1928_ara/pxa1928_ara.c b/board/Marvell/pxa1928_ara/pxa1928_ara.c index 282ee44ae1..26dbb5fd01 100644 --- a/board/Marvell/pxa1928_ara/pxa1928_ara.c +++ b/board/Marvell/pxa1928_ara/pxa1928_ara.c @@ -100,10 +100,16 @@ int board_early_init_f(void) GPIO15_MFP15, /* 2A Charge enable */ GPIO118_MFP118, + /* BG_POWER_EN */ + GPIO120_MFP120, /*End of configureation*/ MFP_EOC }; mfp_config(mfp_cfg); + + /* Need to drive GPIO120 high to assert BG_POWER_EN */ + gpio_direction_output(120,1); + return 0; } |