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| author | Wayne Zou <b36644@freescale.com> | 2011-08-08 17:14:37 +0800 |
|---|---|---|
| committer | Wayne Zou <b36644@freescale.com> | 2011-08-08 17:16:56 +0800 |
| commit | 2921bf50ea3e0eb3dfaac0895613feb14e52600c (patch) | |
| tree | 5e2089bebb485bbfb8f61c27d9b2cc4fa7aa0289 /board | |
| parent | 6b654d7a5811de8c20c7c0fe7ca0237a7bf78a98 (diff) | |
| download | u-boot-imx-2921bf50ea3e0eb3dfaac0895613feb14e52600c.zip u-boot-imx-2921bf50ea3e0eb3dfaac0895613feb14e52600c.tar.gz u-boot-imx-2921bf50ea3e0eb3dfaac0895613feb14e52600c.tar.bz2 | |
ENGR00154468 mx53 pcba: Add DC-IN power supply support for revB board
Add DC-IN power supply support for revB board when booting from EMMC.
set both AUX&USB current limit to 1.5A for Ripley 2.1 only
Change CC current to 950mA
Signed-off-by: Wayne Zou <b36644@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx53_pcba/mx53_pcba.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/board/freescale/mx53_pcba/mx53_pcba.c b/board/freescale/mx53_pcba/mx53_pcba.c index 3773ee4..011460a 100644 --- a/board/freescale/mx53_pcba/mx53_pcba.c +++ b/board/freescale/mx53_pcba/mx53_pcba.c @@ -330,11 +330,19 @@ void setup_pmic_voltages(void) printf("%s:i2c_write: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; + if (i2c_write(0x8, 52, 1, buf, 3)) + printf("%s:i2c_write 52:error\n", __func__); + + /* Change CC current to 950mA */ /* 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] & 0xf0) | 0x8; + buf[1] = (buf[1] & 0x0) | 0x78; buf[2] = (buf[2] & 0x3f) | 0xc0; if (i2c_write(0x8, 51, 1, buf, 3)) printf("%s:i2c_write 51:error\n", __func__); |