diff options
| author | Peng Fan <van.freenix@gmail.com> | 2016-03-09 16:44:37 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-03-25 13:56:55 +0100 |
| commit | 7082d879164fe7af549ca911a7b675ce698186e1 (patch) | |
| tree | f186960b042f292f36ba1e7cbc9466e0b14523c8 /arch/arm/cpu | |
| parent | e4dc3fc0681bd205b1db6336b0ea3849b5c683e9 (diff) | |
| download | u-boot-imx-7082d879164fe7af549ca911a7b675ce698186e1.zip u-boot-imx-7082d879164fe7af549ca911a7b675ce698186e1.tar.gz u-boot-imx-7082d879164fe7af549ca911a7b675ce698186e1.tar.bz2 | |
imx: mx6ul configure the PMIC_STBY_REQ pin as open drain
Configure the PMIC_STBY_REQ pin as open drain 100K according
to the design team's requirement for the PMIC_STBY_REQ pin
for i.MX 6UltraLite TO1.0.
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index f29901f..d4b22ad 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -341,7 +341,17 @@ int arch_cpu_init(void) set_ahb_rate(132000000); } - /* Set perclk to source from OSC 24MHz */ + if (IS_ENABLED(CONFIG_MX6UL) && is_soc_rev(CHIP_REV_1_0) == 0) { + /* + * According to the design team's requirement on i.MX6UL, + * the PMIC_STBY_REQ PAD should be configured as open + * drain 100K (0x0000b8a0). + * Only exists on TO1.0 + */ + writel(0x0000b8a0, IOMUXC_BASE_ADDR + 0x29c); + } + + /* Set perclk to source from OSC 24MHz */ #if defined(CONFIG_MX6SL) set_preclk_from_osc(); #endif |