From: Peng Fan Date: Thu, 15 Jan 2015 06:22:32 +0000 (+0800) Subject: ARM: imx6: disable bandgap self-bias after boot X-Git-Tag: KARO-TX6-2015-09-18~2944 X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=1b98017a36fc46c61cfdadac49322677f426d3fe;p=karo-tx-uboot.git ARM: imx6: disable bandgap self-bias after boot The self-bias circuit is used by the bandgap during startup. Once the bandgap has stabilized, the self-bias circuit should be disabled for best noise performance of analog blocks. Also this bit should be disabled before the chip enters STOP mode or when ever the regular bandgap is disabled. Signed-off-by: Peng Fan Signed-off-by: Ranjani Vaidyanathan --- diff --git a/arch/arm/include/asm/arch-mx6/crm_regs.h b/arch/arm/include/asm/arch-mx6/crm_regs.h index fdbffaddd7..f4a42c4a52 100644 --- a/arch/arm/include/asm/arch-mx6/crm_regs.h +++ b/arch/arm/include/asm/arch-mx6/crm_regs.h @@ -1354,4 +1354,6 @@ struct mxc_ccm_reg { (((v) << BP_ANADIG_PFD_528_PFD0_FRAC) & \ BM_ANADIG_PFD_528_PFD0_FRAC) +#define BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF 0x00000008 + #endif /*__ARCH_ARM_MACH_MX6_CCM_REGS_H__ */