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| author | Wayne Zou <b36644@freescale.com> | 2011-08-11 18:24:59 +0800 |
|---|---|---|
| committer | Wayne Zou <b36644@freescale.com> | 2011-08-12 09:23:48 +0800 |
| commit | 2e0022e32ae5c99c3abc7646ed1663c28495ec89 (patch) | |
| tree | 7273994108d65e3b3c4e2505134cb619d2e95b7b | |
| parent | 2921bf50ea3e0eb3dfaac0895613feb14e52600c (diff) | |
| download | u-boot-imx-2e0022e32ae5c99c3abc7646ed1663c28495ec89.zip u-boot-imx-2e0022e32ae5c99c3abc7646ed1663c28495ec89.tar.gz u-boot-imx-2e0022e32ae5c99c3abc7646ed1663c28495ec89.tar.bz2 | |
ENGR00154762 mx53_pcba: update Ripley/mc34708 USB/AUX charger settings
update Ripley USB and AUX/DC charger settings for pcba revB board
Signed-off-by: Wayne Zou <b36644@freescale.com>
| -rw-r--r-- | board/freescale/mx53_pcba/mx53_pcba.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/board/freescale/mx53_pcba/mx53_pcba.c b/board/freescale/mx53_pcba/mx53_pcba.c index 011460a..78e45f7 100644 --- a/board/freescale/mx53_pcba/mx53_pcba.c +++ b/board/freescale/mx53_pcba/mx53_pcba.c @@ -330,19 +330,28 @@ void setup_pmic_voltages(void) printf("%s:i2c_write:error\n", __func__); } + /* Charger Source: set VBUS threshold low to 4.25V, + * set Weak VBUS threshold to 4.275V */ + if (i2c_read(0x8, 53, 1, &buf[0], 3)) + printf("%s:i2c_read 53:error\n", __func__); + buf[2] = (buf[2] & 0x38) | 0x47; + buf[1] = (buf[1] & 0x70) | 0x8e; + buf[0] = buf[0] & 0xfc; + if (i2c_write(0x8, 53, 1, buf, 3)) + printf("%s:i2c_write 53:error\n", __func__); + /* set both AUX&USB current limit to 1.5A for Ripley 2.1 only */ if (i2c_read(0x8, 52, 1, &buf[0], 3)) printf("%s:i2c_read 52:error\n", __func__); - buf[0] = (buf[1] & 0xef) | 0x1; + buf[0] = (buf[0] & 0xef) | 0x10; if (i2c_write(0x8, 52, 1, buf, 3)) printf("%s:i2c_write 52:error\n", __func__); - /* Change CC current to 950mA */ + /* Change CC current to 1550mA */ /* Change CV voltage as 4.2v */ if (i2c_read(0x8, 51, 1, &buf[0], 3)) printf("%s:i2c_read 51:error\n", __func__); - - buf[1] = (buf[1] & 0x0) | 0x78; + buf[1] = (buf[1] & 0x0) | 0xd8; buf[2] = (buf[2] & 0x3f) | 0xc0; if (i2c_write(0x8, 51, 1, buf, 3)) printf("%s:i2c_write 51:error\n", __func__); |