From: Fabio Estevam fabio.estevam@freescale.com
mx6 datasheet specifies that the minimum VDDSOC at 792 MHz is 1.15 V. Add a 25 mV margin and set it to 1.175V.
This also matches the VDDSOC voltages for 792MHz operation that the kernel configures: http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/arch/arm/ma...
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- Changes since v1: - None
arch/arm/cpu/armv7/mx6/soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 13b9e36..0136eb0 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -151,7 +151,7 @@ int arch_cpu_init(void) { init_aips();
- set_vddsoc(1200); /* Set VDDSOC to 1.2V */ + set_vddsoc(1175); /* Set VDDSOC to 1.175V */
imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */