mxs: drop 4.4 support
Signed-off-by: Michael Heimpold <mhei@heimpold.de>
This commit is contained in:
Michael Heimpold
committed by
Hauke Mehrtens
Hauke Mehrtens
parent
9eb68f020b
commit
f788fd0fd3
@@ -1,311 +0,0 @@
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CONFIG_ALIGNMENT_TRAP=y
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# CONFIG_AMBA_PL08X is not set
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# CONFIG_APM_EMULATION is not set
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CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
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CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
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CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
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CONFIG_ARCH_HAS_SG_CHAIN=y
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CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
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CONFIG_ARCH_HIBERNATION_POSSIBLE=y
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CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
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CONFIG_ARCH_MULTIPLATFORM=y
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CONFIG_ARCH_MULTI_CPU_AUTO=y
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# CONFIG_ARCH_MULTI_V4 is not set
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# CONFIG_ARCH_MULTI_V4T is not set
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CONFIG_ARCH_MULTI_V4_V5=y
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CONFIG_ARCH_MULTI_V5=y
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CONFIG_ARCH_MXS=y
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CONFIG_ARCH_NR_GPIO=0
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CONFIG_ARCH_REQUIRE_GPIOLIB=y
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# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
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# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
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CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
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CONFIG_ARCH_SUPPORTS_UPROBES=y
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CONFIG_ARCH_SUSPEND_POSSIBLE=y
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CONFIG_ARCH_USE_BUILTIN_BSWAP=y
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CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
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CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
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CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
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CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
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CONFIG_ARM=y
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CONFIG_ARM_AMBA=y
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CONFIG_ARM_APPENDED_DTB=y
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CONFIG_ARM_ATAG_DTB_COMPAT=y
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# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND is not set
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CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y
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CONFIG_ARM_CPU_SUSPEND=y
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CONFIG_ARM_HAS_SG_CHAIN=y
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CONFIG_ARM_L1_CACHE_SHIFT=5
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CONFIG_ARM_PATCH_PHYS_VIRT=y
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# CONFIG_ARM_SP805_WATCHDOG is not set
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CONFIG_ARM_THUMB=y
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CONFIG_ATAGS=y
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CONFIG_AUTO_ZRELADDR=y
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# CONFIG_CACHE_L2X0 is not set
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CONFIG_CC_OPTIMIZE_FOR_SIZE=y
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CONFIG_CLKDEV_LOOKUP=y
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CONFIG_CLKSRC_MMIO=y
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CONFIG_CLKSRC_OF=y
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CONFIG_CLKSRC_PROBE=y
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CONFIG_CLONE_BACKWARDS=y
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CONFIG_CMDLINE="console=ttyAMA0,115200 root=/dev/mmcblk0p2 rw rootwait"
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CONFIG_CMDLINE_FROM_BOOTLOADER=y
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CONFIG_COMMON_CLK=y
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CONFIG_COREDUMP=y
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CONFIG_CPU_32v5=y
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CONFIG_CPU_ABRT_EV5TJ=y
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CONFIG_CPU_ARM926T=y
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# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
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CONFIG_CPU_CACHE_VIVT=y
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CONFIG_CPU_COPY_V4WB=y
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CONFIG_CPU_CP15=y
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CONFIG_CPU_CP15_MMU=y
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# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
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# CONFIG_CPU_ICACHE_DISABLE is not set
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CONFIG_CPU_IDLE=y
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CONFIG_CPU_IDLE_GOV_LADDER=y
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CONFIG_CPU_IDLE_GOV_MENU=y
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CONFIG_CPU_PABRT_LEGACY=y
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CONFIG_CPU_PM=y
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CONFIG_CPU_TLB_V4WBI=y
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CONFIG_CPU_USE_DOMAINS=y
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CONFIG_CRC16=y
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CONFIG_CROSS_MEMORY_ATTACH=y
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CONFIG_CRYPTO_CBC=y
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CONFIG_CRYPTO_CRC32C=y
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CONFIG_CRYPTO_DEV_MXS_DCP=y
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CONFIG_CRYPTO_ECB=y
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CONFIG_CRYPTO_HASH=y
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CONFIG_CRYPTO_HASH2=y
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CONFIG_CRYPTO_HW=y
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CONFIG_CRYPTO_MANAGER=y
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CONFIG_CRYPTO_MANAGER2=y
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CONFIG_CRYPTO_RNG2=y
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CONFIG_CRYPTO_WORKQUEUE=y
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CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
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# CONFIG_DEBUG_UART_8250 is not set
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# CONFIG_DEBUG_USER is not set
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CONFIG_DMADEVICES=y
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CONFIG_DMA_ENGINE=y
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CONFIG_DMA_OF=y
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CONFIG_DTC=y
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CONFIG_EDAC_ATOMIC_SCRUB=y
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CONFIG_EDAC_SUPPORT=y
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CONFIG_EXT4_FS=y
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CONFIG_EXTCON=y
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CONFIG_FEC=y
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CONFIG_FIX_EARLYCON_MEM=y
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CONFIG_FRAME_POINTER=y
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CONFIG_FS_MBCACHE=y
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CONFIG_GENERIC_ALLOCATOR=y
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CONFIG_GENERIC_ATOMIC64=y
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CONFIG_GENERIC_BUG=y
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CONFIG_GENERIC_CLOCKEVENTS=y
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CONFIG_GENERIC_IDLE_POLL_SETUP=y
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CONFIG_GENERIC_IO=y
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CONFIG_GENERIC_IRQ_CHIP=y
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CONFIG_GENERIC_IRQ_SHOW=y
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CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
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CONFIG_GENERIC_PCI_IOMAP=y
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CONFIG_GENERIC_SCHED_CLOCK=y
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CONFIG_GENERIC_SMP_IDLE_THREAD=y
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CONFIG_GENERIC_STRNCPY_FROM_USER=y
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CONFIG_GENERIC_STRNLEN_USER=y
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# CONFIG_GIANFAR is not set
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CONFIG_GPIOLIB=y
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CONFIG_GPIO_DEVRES=y
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CONFIG_GPIO_GENERIC=y
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CONFIG_GPIO_GENERIC_PLATFORM=y
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CONFIG_GPIO_MXS=y
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CONFIG_GPIO_SYSFS=y
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CONFIG_HANDLE_DOMAIN_IRQ=y
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CONFIG_HARDIRQS_SW_RESEND=y
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CONFIG_HAS_DMA=y
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CONFIG_HAS_IOMEM=y
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CONFIG_HAS_IOPORT_MAP=y
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# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
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CONFIG_HAVE_ARCH_AUDITSYSCALL=y
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# CONFIG_HAVE_ARCH_BITREVERSE is not set
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CONFIG_HAVE_ARCH_JUMP_LABEL=y
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CONFIG_HAVE_ARCH_KGDB=y
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CONFIG_HAVE_ARCH_PFN_VALID=y
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CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
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CONFIG_HAVE_ARCH_TRACEHOOK=y
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# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
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CONFIG_HAVE_BPF_JIT=y
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CONFIG_HAVE_CC_STACKPROTECTOR=y
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CONFIG_HAVE_CLK=y
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CONFIG_HAVE_CLK_PREPARE=y
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CONFIG_HAVE_CONTEXT_TRACKING=y
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CONFIG_HAVE_C_RECORDMCOUNT=y
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CONFIG_HAVE_DEBUG_KMEMLEAK=y
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CONFIG_HAVE_DMA_API_DEBUG=y
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CONFIG_HAVE_DMA_ATTRS=y
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CONFIG_HAVE_DMA_CONTIGUOUS=y
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CONFIG_HAVE_DYNAMIC_FTRACE=y
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CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
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CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
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CONFIG_HAVE_FUNCTION_TRACER=y
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CONFIG_HAVE_GENERIC_DMA_COHERENT=y
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CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
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CONFIG_HAVE_LATENCYTOP_SUPPORT=y
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CONFIG_HAVE_MEMBLOCK=y
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CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
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CONFIG_HAVE_NET_DSA=y
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CONFIG_HAVE_OPROFILE=y
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CONFIG_HAVE_OPTPROBES=y
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CONFIG_HAVE_PERF_EVENTS=y
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CONFIG_HAVE_PERF_REGS=y
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CONFIG_HAVE_PERF_USER_STACK_DUMP=y
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CONFIG_HAVE_PROC_CPU=y
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CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
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CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
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CONFIG_HAVE_UID16=y
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CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
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CONFIG_HZ_FIXED=0
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CONFIG_HZ_PERIODIC=y
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CONFIG_I2C=y
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CONFIG_I2C_ALGOBIT=y
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CONFIG_I2C_ALGOPCA=y
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CONFIG_I2C_ALGOPCF=y
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CONFIG_I2C_BOARDINFO=y
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CONFIG_I2C_CHARDEV=y
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CONFIG_I2C_COMPAT=y
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CONFIG_I2C_MUX=y
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CONFIG_I2C_MUX_PINCTRL=y
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CONFIG_I2C_MXS=y
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CONFIG_IIO=y
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CONFIG_IIO_BUFFER=y
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CONFIG_IIO_KFIFO_BUF=y
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CONFIG_IIO_PERIODIC_RTC_TRIGGER=y
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CONFIG_IIO_SYSFS_TRIGGER=y
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CONFIG_IIO_TRIGGER=y
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CONFIG_IIO_TRIGGERED_BUFFER=y
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CONFIG_INITRAMFS_SOURCE=""
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CONFIG_INPUT=y
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CONFIG_IOMMU_HELPER=y
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CONFIG_IRQCHIP=y
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CONFIG_IRQ_DOMAIN=y
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CONFIG_IRQ_FORCED_THREADING=y
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CONFIG_IRQ_MXS=y
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CONFIG_IRQ_WORK=y
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# CONFIG_ISDN is not set
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CONFIG_JBD2=y
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CONFIG_LIBFDT=y
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CONFIG_LZO_COMPRESS=y
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CONFIG_LZO_DECOMPRESS=y
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CONFIG_MDIO_BOARDINFO=y
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CONFIG_MFD_SYSCON=y
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CONFIG_MIGHT_HAVE_PCI=y
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CONFIG_MMC=y
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CONFIG_MMC_BLOCK=y
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CONFIG_MMC_MXS=y
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CONFIG_MODULES_USE_ELF_REL=y
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# CONFIG_MTD_PHYSMAP_OF is not set
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CONFIG_MULTI_IRQ_HANDLER=y
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CONFIG_MXS_DMA=y
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CONFIG_MXS_LRADC=y
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CONFIG_MXS_POWER=y
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CONFIG_NEED_DMA_MAP_STATE=y
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CONFIG_NEED_KUSER_HELPERS=y
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CONFIG_NEED_PER_CPU_KM=y
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CONFIG_NET_PTP_CLASSIFY=y
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CONFIG_NLS=y
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CONFIG_NO_BOOTMEM=y
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CONFIG_NVMEM=y
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CONFIG_NVMEM_MXS_OCOTP=y
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CONFIG_OF=y
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CONFIG_OF_ADDRESS=y
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CONFIG_OF_EARLY_FLATTREE=y
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CONFIG_OF_FLATTREE=y
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CONFIG_OF_GPIO=y
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CONFIG_OF_IRQ=y
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CONFIG_OF_MDIO=y
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CONFIG_OF_MTD=y
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CONFIG_OF_NET=y
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CONFIG_OF_RESERVED_MEM=y
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CONFIG_OLD_SIGACTION=y
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CONFIG_OLD_SIGSUSPEND3=y
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CONFIG_PAGE_OFFSET=0xC0000000
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# CONFIG_PCI is not set
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# CONFIG_PCI_DOMAINS_GENERIC is not set
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# CONFIG_PCI_SYSCALL is not set
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CONFIG_PERF_USE_VMALLOC=y
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CONFIG_PGTABLE_LEVELS=2
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CONFIG_PHYLIB=y
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CONFIG_PINCTRL=y
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CONFIG_PINCTRL_IMX23=y
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CONFIG_PINCTRL_IMX28=y
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CONFIG_PINCTRL_MXS=y
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# CONFIG_PINCTRL_SINGLE is not set
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# CONFIG_PL330_DMA is not set
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CONFIG_PM=y
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CONFIG_PM_CLK=y
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# CONFIG_PM_DEBUG is not set
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CONFIG_POWER_SUPPLY=y
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CONFIG_PPS=y
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CONFIG_PTP_1588_CLOCK=y
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CONFIG_RATIONAL=y
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# CONFIG_RCU_STALL_COMMON is not set
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CONFIG_REGMAP=y
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CONFIG_REGMAP_I2C=y
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CONFIG_REGMAP_MMIO=y
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CONFIG_REGMAP_SPI=y
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CONFIG_REGULATOR=y
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CONFIG_REGULATOR_FIXED_VOLTAGE=y
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CONFIG_REGULATOR_GPIO=y
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CONFIG_REGULATOR_MXS=y
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CONFIG_RTC_CLASS=y
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CONFIG_RTC_DRV_STMP=y
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CONFIG_RWSEM_XCHGADD_ALGORITHM=y
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CONFIG_SCHED_HRTICK=y
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# CONFIG_SCHED_INFO is not set
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# CONFIG_SCSI_DMA is not set
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CONFIG_SERIAL_8250_FSL=y
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CONFIG_SERIAL_AMBA_PL010=y
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CONFIG_SERIAL_AMBA_PL010_CONSOLE=y
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CONFIG_SERIAL_AMBA_PL011=y
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CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
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CONFIG_SERIAL_MCTRL_GPIO=y
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CONFIG_SERIAL_MXS_AUART=y
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CONFIG_SERIAL_MXS_AUART_CONSOLE=y
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CONFIG_SMSC_PHY=y
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CONFIG_SOC_BUS=y
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CONFIG_SOC_IMX23=y
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CONFIG_SOC_IMX28=y
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CONFIG_SPARSE_IRQ=y
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CONFIG_SPI=y
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CONFIG_SPI_MASTER=y
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CONFIG_SPI_MXS=y
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CONFIG_SPLIT_PTLOCK_CPUS=999999
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CONFIG_SRCU=y
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|
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CONFIG_STMP3XXX_RTC_WATCHDOG=y
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|
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CONFIG_STMP_DEVICE=y
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CONFIG_SWIOTLB=y
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||||||
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
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|
||||||
CONFIG_TICK_CPU_ACCOUNTING=y
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|
||||||
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
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|
||||||
CONFIG_USB=y
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|
||||||
CONFIG_USB_CHIPIDEA=y
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||||||
# CONFIG_USB_CHIPIDEA_DEBUG is not set
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|
||||||
CONFIG_USB_CHIPIDEA_HOST=y
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|
||||||
CONFIG_USB_CHIPIDEA_OF=y
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|
||||||
CONFIG_USB_CHIPIDEA_UDC=y
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|
||||||
CONFIG_USB_COMMON=y
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|
||||||
CONFIG_USB_EHCI_HCD=y
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|
||||||
# CONFIG_USB_EHCI_HCD_PLATFORM is not set
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|
||||||
# CONFIG_USB_ETH is not set
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|
||||||
CONFIG_USB_GADGET=y
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|
||||||
CONFIG_USB_MXS_PHY=y
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|
||||||
CONFIG_USB_OTG=y
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||||||
CONFIG_USB_PHY=y
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|
||||||
CONFIG_USB_SUPPORT=y
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|
||||||
CONFIG_USE_OF=y
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|
||||||
CONFIG_VECTORS_BASE=0xffff0000
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|
||||||
# CONFIG_VFP is not set
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|
||||||
CONFIG_WATCHDOG_CORE=y
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|
||||||
CONFIG_XZ_DEC_ARM=y
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|
||||||
CONFIG_XZ_DEC_BCJ=y
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|
||||||
CONFIG_ZBOOT_ROM_BSS=0
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|
||||||
CONFIG_ZBOOT_ROM_TEXT=0
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|
||||||
CONFIG_ZONE_DMA_FLAG=0
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||||||
@@ -1,10 +0,0 @@
|
|||||||
--- a/arch/arm/mach-mxs/Kconfig
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|
||||||
+++ b/arch/arm/mach-mxs/Kconfig
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|
||||||
@@ -17,6 +17,7 @@ config ARCH_MXS
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|
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depends on ARCH_MULTI_V5
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|
||||||
select ARCH_REQUIRE_GPIOLIB
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|
||||||
select CLKSRC_MMIO
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||||||
+ select MFD_SYSCON
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|
||||||
select PINCTRL
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|
||||||
select SOC_BUS
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||||||
select SOC_IMX23
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|
||||||
@@ -1,166 +0,0 @@
|
|||||||
--- a/drivers/power/Kconfig
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|
||||||
+++ b/drivers/power/Kconfig
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|
||||||
@@ -43,6 +43,14 @@ config MAX8925_POWER
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|
||||||
Say Y here to enable support for the battery charger in the Maxim
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|
||||||
MAX8925 PMIC.
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|
||||||
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|
||||||
+config MXS_POWER
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|
||||||
+ tristate "Freescale MXS power subsystem support"
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|
||||||
+ depends on ARCH_MXS || COMPILE_TEST
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|
||||||
+ help
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|
||||||
+ Say Y here to enable support for the Freescale i.MX23/i.MX28
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|
||||||
+ power subsystem. This is a requirement to get access to on-chip
|
|
||||||
+ regulators, battery charger and many more.
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|
||||||
+
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|
||||||
config WM831X_BACKUP
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|
||||||
tristate "WM831X backup battery charger support"
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|
||||||
depends on MFD_WM831X
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|
||||||
--- a/drivers/power/Makefile
|
|
||||||
+++ b/drivers/power/Makefile
|
|
||||||
@@ -11,6 +11,7 @@ obj-$(CONFIG_PDA_POWER) += pda_power.o
|
|
||||||
obj-$(CONFIG_APM_POWER) += apm_power.o
|
|
||||||
obj-$(CONFIG_AXP20X_POWER) += axp20x_usb_power.o
|
|
||||||
obj-$(CONFIG_MAX8925_POWER) += max8925_power.o
|
|
||||||
+obj-$(CONFIG_MXS_POWER) += mxs_power.o
|
|
||||||
obj-$(CONFIG_WM831X_BACKUP) += wm831x_backup.o
|
|
||||||
obj-$(CONFIG_WM831X_POWER) += wm831x_power.o
|
|
||||||
obj-$(CONFIG_WM8350_POWER) += wm8350_power.o
|
|
||||||
--- /dev/null
|
|
||||||
+++ b/drivers/power/mxs_power.c
|
|
||||||
@@ -0,0 +1,136 @@
|
|
||||||
+/*
|
|
||||||
+ * Freescale MXS power subsystem
|
|
||||||
+ *
|
|
||||||
+ * Copyright (C) 2014 Stefan Wahren
|
|
||||||
+ *
|
|
||||||
+ * Inspired by imx-bootlets
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+/*
|
|
||||||
+ * The code contained herein is licensed under the GNU General Public
|
|
||||||
+ * License. You may obtain a copy of the GNU General Public License
|
|
||||||
+ * Version 2 or later at the following locations:
|
|
||||||
+ *
|
|
||||||
+ * http://www.opensource.org/licenses/gpl-license.html
|
|
||||||
+ * http://www.gnu.org/copyleft/gpl.html
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+#include <linux/device.h>
|
|
||||||
+#include <linux/err.h>
|
|
||||||
+#include <linux/io.h>
|
|
||||||
+#include <linux/kernel.h>
|
|
||||||
+#include <linux/module.h>
|
|
||||||
+#include <linux/of.h>
|
|
||||||
+#include <linux/of_platform.h>
|
|
||||||
+#include <linux/platform_device.h>
|
|
||||||
+#include <linux/power_supply.h>
|
|
||||||
+#include <linux/stmp_device.h>
|
|
||||||
+#include <linux/types.h>
|
|
||||||
+
|
|
||||||
+#define BM_POWER_CTRL_POLARITY_VBUSVALID BIT(5)
|
|
||||||
+#define BM_POWER_CTRL_VBUSVALID_IRQ BIT(4)
|
|
||||||
+#define BM_POWER_CTRL_ENIRQ_VBUS_VALID BIT(3)
|
|
||||||
+
|
|
||||||
+#define HW_POWER_5VCTRL_OFFSET 0x10
|
|
||||||
+
|
|
||||||
+#define BM_POWER_5VCTRL_VBUSVALID_THRESH (7 << 8)
|
|
||||||
+#define BM_POWER_5VCTRL_PWDN_5VBRNOUT BIT(7)
|
|
||||||
+#define BM_POWER_5VCTRL_ENABLE_LINREG_ILIMIT BIT(6)
|
|
||||||
+#define BM_POWER_5VCTRL_VBUSVALID_5VDETECT BIT(4)
|
|
||||||
+
|
|
||||||
+#define HW_POWER_5VCTRL_VBUSVALID_THRESH_4_40V (5 << 8)
|
|
||||||
+
|
|
||||||
+struct mxs_power_data {
|
|
||||||
+ void __iomem *base_addr;
|
|
||||||
+ struct power_supply *ac;
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static enum power_supply_property mxs_power_ac_props[] = {
|
|
||||||
+ POWER_SUPPLY_PROP_ONLINE,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static int mxs_power_ac_get_property(struct power_supply *psy,
|
|
||||||
+ enum power_supply_property psp,
|
|
||||||
+ union power_supply_propval *val)
|
|
||||||
+{
|
|
||||||
+ int ret = 0;
|
|
||||||
+
|
|
||||||
+ switch (psp) {
|
|
||||||
+ case POWER_SUPPLY_PROP_ONLINE:
|
|
||||||
+ val->intval = 1;
|
|
||||||
+ break;
|
|
||||||
+ default:
|
|
||||||
+ ret = -EINVAL;
|
|
||||||
+ break;
|
|
||||||
+ }
|
|
||||||
+ return ret;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static const struct of_device_id of_mxs_power_match[] = {
|
|
||||||
+ { .compatible = "fsl,imx23-power" },
|
|
||||||
+ { .compatible = "fsl,imx28-power" },
|
|
||||||
+ { /* end */ }
|
|
||||||
+};
|
|
||||||
+MODULE_DEVICE_TABLE(of, of_mxs_power_match);
|
|
||||||
+
|
|
||||||
+static const struct power_supply_desc ac_desc = {
|
|
||||||
+ .properties = mxs_power_ac_props,
|
|
||||||
+ .num_properties = ARRAY_SIZE(mxs_power_ac_props),
|
|
||||||
+ .get_property = mxs_power_ac_get_property,
|
|
||||||
+ .name = "ac",
|
|
||||||
+ .type = POWER_SUPPLY_TYPE_MAINS,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static int mxs_power_probe(struct platform_device *pdev)
|
|
||||||
+{
|
|
||||||
+ struct device *dev = &pdev->dev;
|
|
||||||
+ struct device_node *np = dev->of_node;
|
|
||||||
+ struct resource *res;
|
|
||||||
+ struct mxs_power_data *data;
|
|
||||||
+ struct power_supply_config psy_cfg = {};
|
|
||||||
+ void __iomem *v5ctrl_addr;
|
|
||||||
+
|
|
||||||
+ if (!np) {
|
|
||||||
+ dev_err(dev, "missing device tree\n");
|
|
||||||
+ return -EINVAL;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
|
|
||||||
+ if (!data)
|
|
||||||
+ return -ENOMEM;
|
|
||||||
+
|
|
||||||
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
||||||
+ data->base_addr = devm_ioremap_resource(dev, res);
|
|
||||||
+ if (IS_ERR(data->base_addr))
|
|
||||||
+ return PTR_ERR(data->base_addr);
|
|
||||||
+
|
|
||||||
+ psy_cfg.drv_data = data;
|
|
||||||
+
|
|
||||||
+ data->ac = devm_power_supply_register(dev, &ac_desc, &psy_cfg);
|
|
||||||
+ if (IS_ERR(data->ac))
|
|
||||||
+ return PTR_ERR(data->ac);
|
|
||||||
+
|
|
||||||
+ platform_set_drvdata(pdev, data);
|
|
||||||
+
|
|
||||||
+ v5ctrl_addr = data->base_addr + HW_POWER_5VCTRL_OFFSET;
|
|
||||||
+
|
|
||||||
+ /* Make sure the current limit of the linregs are disabled. */
|
|
||||||
+ writel(BM_POWER_5VCTRL_ENABLE_LINREG_ILIMIT,
|
|
||||||
+ v5ctrl_addr + STMP_OFFSET_REG_CLR);
|
|
||||||
+
|
|
||||||
+ return of_platform_populate(np, NULL, NULL, dev);
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static struct platform_driver mxs_power_driver = {
|
|
||||||
+ .driver = {
|
|
||||||
+ .name = "mxs_power",
|
|
||||||
+ .of_match_table = of_mxs_power_match,
|
|
||||||
+ },
|
|
||||||
+ .probe = mxs_power_probe,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+module_platform_driver(mxs_power_driver);
|
|
||||||
+
|
|
||||||
+MODULE_AUTHOR("Stefan Wahren <stefan.wahren@i2se.com>");
|
|
||||||
+MODULE_DESCRIPTION("Freescale MXS power subsystem");
|
|
||||||
+MODULE_LICENSE("GPL v2");
|
|
||||||
@@ -1,570 +0,0 @@
|
|||||||
--- a/drivers/regulator/Kconfig
|
|
||||||
+++ b/drivers/regulator/Kconfig
|
|
||||||
@@ -462,6 +462,14 @@ config REGULATOR_MT6397
|
|
||||||
This driver supports the control of different power rails of device
|
|
||||||
through regulator interface.
|
|
||||||
|
|
||||||
+config REGULATOR_MXS
|
|
||||||
+ tristate "Freescale MXS on-chip regulators"
|
|
||||||
+ depends on (MXS_POWER || COMPILE_TEST)
|
|
||||||
+ help
|
|
||||||
+ Say y here to support Freescale MXS on-chip regulators.
|
|
||||||
+ It is recommended that this option be enabled on i.MX23,
|
|
||||||
+ i.MX28 platform.
|
|
||||||
+
|
|
||||||
config REGULATOR_PALMAS
|
|
||||||
tristate "TI Palmas PMIC Regulators"
|
|
||||||
depends on MFD_PALMAS
|
|
||||||
--- a/drivers/regulator/Makefile
|
|
||||||
+++ b/drivers/regulator/Makefile
|
|
||||||
@@ -61,6 +61,7 @@ obj-$(CONFIG_REGULATOR_MC13892) += mc138
|
|
||||||
obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
|
|
||||||
obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
|
|
||||||
obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o
|
|
||||||
+obj-$(CONFIG_REGULATOR_MXS) += mxs-regulator.o
|
|
||||||
obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o
|
|
||||||
obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o
|
|
||||||
obj-$(CONFIG_REGULATOR_QCOM_SPMI) += qcom_spmi-regulator.o
|
|
||||||
--- /dev/null
|
|
||||||
+++ b/drivers/regulator/mxs-regulator.c
|
|
||||||
@@ -0,0 +1,540 @@
|
|
||||||
+/*
|
|
||||||
+ * Freescale MXS on-chip regulators
|
|
||||||
+ *
|
|
||||||
+ * Embedded Alley Solutions, Inc <source@embeddedalley.com>
|
|
||||||
+ *
|
|
||||||
+ * Copyright (C) 2014 Stefan Wahren
|
|
||||||
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
|
|
||||||
+ * Copyright (C) 2008 Embedded Alley Solutions, Inc All Rights Reserved.
|
|
||||||
+ *
|
|
||||||
+ * Inspired by imx-bootlets
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+/*
|
|
||||||
+ * The code contained herein is licensed under the GNU General Public
|
|
||||||
+ * License. You may obtain a copy of the GNU General Public License
|
|
||||||
+ * Version 2 or later at the following locations:
|
|
||||||
+ *
|
|
||||||
+ * http://www.opensource.org/licenses/gpl-license.html
|
|
||||||
+ * http://www.gnu.org/copyleft/gpl.html
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+#include <linux/delay.h>
|
|
||||||
+#include <linux/device.h>
|
|
||||||
+#include <linux/err.h>
|
|
||||||
+#include <linux/kernel.h>
|
|
||||||
+#include <linux/mfd/syscon.h>
|
|
||||||
+#include <linux/module.h>
|
|
||||||
+#include <linux/of.h>
|
|
||||||
+#include <linux/of_device.h>
|
|
||||||
+#include <linux/platform_device.h>
|
|
||||||
+#include <linux/regmap.h>
|
|
||||||
+#include <linux/regulator/driver.h>
|
|
||||||
+#include <linux/regulator/machine.h>
|
|
||||||
+#include <linux/regulator/of_regulator.h>
|
|
||||||
+#include <linux/slab.h>
|
|
||||||
+
|
|
||||||
+/* Powered by linear regulator. DCDC output is gated off and
|
|
||||||
+ the linreg output is equal to the target. */
|
|
||||||
+#define HW_POWER_LINREG_DCDC_OFF 1
|
|
||||||
+
|
|
||||||
+/* Powered by linear regulator. DCDC output is not gated off
|
|
||||||
+ and is ready for the automatic hardware transistion after a 5V
|
|
||||||
+ event. The converters are not enabled when 5V is present. LinReg output
|
|
||||||
+ is 25mV below target. */
|
|
||||||
+#define HW_POWER_LINREG_DCDC_READY 2
|
|
||||||
+
|
|
||||||
+/* Powered by DCDC converter and the LinReg is on. LinReg output
|
|
||||||
+ is 25mV below target. */
|
|
||||||
+#define HW_POWER_DCDC_LINREG_ON 3
|
|
||||||
+
|
|
||||||
+/* Powered by DCDC converter and the LinReg is off. LinReg output
|
|
||||||
+ is 25mV below target. */
|
|
||||||
+#define HW_POWER_DCDC_LINREG_OFF 4
|
|
||||||
+
|
|
||||||
+/* Powered by DCDC converter and the LinReg is ready for the
|
|
||||||
+ automatic hardware transfer. The LinReg output is not enabled and
|
|
||||||
+ depends on the 5V presence to enable the LinRegs. LinReg offset is 25mV
|
|
||||||
+ below target. */
|
|
||||||
+#define HW_POWER_DCDC_LINREG_READY 5
|
|
||||||
+
|
|
||||||
+/* Powered by an external source when 5V is present. This does not
|
|
||||||
+ necessarily mean the external source is powered by 5V,but the chip needs
|
|
||||||
+ to be aware that 5V is present. */
|
|
||||||
+#define HW_POWER_EXTERNAL_SOURCE_5V 6
|
|
||||||
+
|
|
||||||
+/* Powered by an external source when 5V is not present.This doesn't
|
|
||||||
+ necessarily mean the external source is powered by the battery, but the
|
|
||||||
+ chip needs to be aware that the battery is present */
|
|
||||||
+#define HW_POWER_EXTERNAL_SOURCE_BATTERY 7
|
|
||||||
+
|
|
||||||
+/* Unknown configuration. This is an error. */
|
|
||||||
+#define HW_POWER_UNKNOWN_SOURCE 8
|
|
||||||
+
|
|
||||||
+/* TODO: Move power register offsets into header file */
|
|
||||||
+#define HW_POWER_5VCTRL 0x00000010
|
|
||||||
+#define HW_POWER_VDDDCTRL 0x00000040
|
|
||||||
+#define HW_POWER_VDDACTRL 0x00000050
|
|
||||||
+#define HW_POWER_VDDIOCTRL 0x00000060
|
|
||||||
+#define HW_POWER_MISC 0x00000090
|
|
||||||
+#define HW_POWER_STS 0x000000c0
|
|
||||||
+
|
|
||||||
+#define BM_POWER_STS_VBUSVALID0_STATUS BIT(15)
|
|
||||||
+#define BM_POWER_STS_DC_OK BIT(9)
|
|
||||||
+
|
|
||||||
+#define BM_POWER_5VCTRL_ILIMIT_EQ_ZERO BIT(2)
|
|
||||||
+#define BM_POWER_5VCTRL_ENABLE_DCDC BIT(0)
|
|
||||||
+
|
|
||||||
+#define BM_POWER_LINREG_OFFSET_DCDC_MODE BIT(1)
|
|
||||||
+
|
|
||||||
+#define SHIFT_FREQSEL 4
|
|
||||||
+
|
|
||||||
+#define BM_POWER_MISC_FREQSEL (7 << SHIFT_FREQSEL)
|
|
||||||
+
|
|
||||||
+/* Recommended DC-DC clock source values */
|
|
||||||
+#define HW_POWER_MISC_FREQSEL_20000_KHZ 1
|
|
||||||
+#define HW_POWER_MISC_FREQSEL_24000_KHZ 2
|
|
||||||
+#define HW_POWER_MISC_FREQSEL_19200_KHZ 3
|
|
||||||
+
|
|
||||||
+#define HW_POWER_MISC_SEL_PLLCLK BIT(0)
|
|
||||||
+
|
|
||||||
+/* Regulator IDs */
|
|
||||||
+#define MXS_DCDC 1
|
|
||||||
+#define MXS_VDDIO 2
|
|
||||||
+#define MXS_VDDA 3
|
|
||||||
+#define MXS_VDDD 4
|
|
||||||
+
|
|
||||||
+struct mxs_reg_info {
|
|
||||||
+ /* regulator descriptor */
|
|
||||||
+ struct regulator_desc desc;
|
|
||||||
+
|
|
||||||
+ /* regulator control register */
|
|
||||||
+ int ctrl_reg;
|
|
||||||
+
|
|
||||||
+ /* disable DC-DC output */
|
|
||||||
+ unsigned int disable_fet_mask;
|
|
||||||
+
|
|
||||||
+ /* steps between linreg output and DC-DC target */
|
|
||||||
+ unsigned int linreg_offset_mask;
|
|
||||||
+ u8 linreg_offset_shift;
|
|
||||||
+
|
|
||||||
+ /* function which determine power source */
|
|
||||||
+ u8 (*get_power_source)(struct regulator_dev *);
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static inline u8 get_linreg_offset(struct mxs_reg_info *ldo, u32 regs)
|
|
||||||
+{
|
|
||||||
+ return (regs & ldo->linreg_offset_mask) >> ldo->linreg_offset_shift;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static u8 get_vddio_power_source(struct regulator_dev *reg)
|
|
||||||
+{
|
|
||||||
+ struct mxs_reg_info *ldo = rdev_get_drvdata(reg);
|
|
||||||
+ u32 v5ctrl, status, base;
|
|
||||||
+ u8 offset;
|
|
||||||
+
|
|
||||||
+ if (regmap_read(reg->regmap, HW_POWER_5VCTRL, &v5ctrl))
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+
|
|
||||||
+ if (regmap_read(reg->regmap, HW_POWER_STS, &status))
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+
|
|
||||||
+ if (regmap_read(reg->regmap, ldo->ctrl_reg, &base))
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+
|
|
||||||
+ offset = get_linreg_offset(ldo, base);
|
|
||||||
+
|
|
||||||
+ /* If VBUS valid then 5 V power supply present */
|
|
||||||
+ if (status & BM_POWER_STS_VBUSVALID0_STATUS) {
|
|
||||||
+ /* Powered by Linreg, DC-DC is off */
|
|
||||||
+ if ((base & ldo->disable_fet_mask) &&
|
|
||||||
+ !(offset & BM_POWER_LINREG_OFFSET_DCDC_MODE)) {
|
|
||||||
+ return HW_POWER_LINREG_DCDC_OFF;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ if (v5ctrl & BM_POWER_5VCTRL_ENABLE_DCDC) {
|
|
||||||
+ /* Powered by DC-DC, Linreg is on */
|
|
||||||
+ if (offset & BM_POWER_LINREG_OFFSET_DCDC_MODE)
|
|
||||||
+ return HW_POWER_DCDC_LINREG_ON;
|
|
||||||
+ } else {
|
|
||||||
+ /* Powered by Linreg, DC-DC is off */
|
|
||||||
+ if (!(offset & BM_POWER_LINREG_OFFSET_DCDC_MODE))
|
|
||||||
+ return HW_POWER_LINREG_DCDC_OFF;
|
|
||||||
+ }
|
|
||||||
+ } else {
|
|
||||||
+ /* Powered by DC-DC, Linreg is on */
|
|
||||||
+ if (offset & BM_POWER_LINREG_OFFSET_DCDC_MODE)
|
|
||||||
+ return HW_POWER_DCDC_LINREG_ON;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static u8 get_vdda_vddd_power_source(struct regulator_dev *reg)
|
|
||||||
+{
|
|
||||||
+ struct mxs_reg_info *ldo = rdev_get_drvdata(reg);
|
|
||||||
+ struct regulator_desc *desc = &ldo->desc;
|
|
||||||
+ u32 v5ctrl, status, base;
|
|
||||||
+ u8 offset;
|
|
||||||
+
|
|
||||||
+ if (regmap_read(reg->regmap, HW_POWER_5VCTRL, &v5ctrl))
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+
|
|
||||||
+ if (regmap_read(reg->regmap, HW_POWER_STS, &status))
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+
|
|
||||||
+ if (regmap_read(reg->regmap, ldo->ctrl_reg, &base))
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+
|
|
||||||
+ offset = get_linreg_offset(ldo, base);
|
|
||||||
+
|
|
||||||
+ /* DC-DC output is disabled */
|
|
||||||
+ if (base & ldo->disable_fet_mask) {
|
|
||||||
+ /* Powered by 5 V supply */
|
|
||||||
+ if (status & BM_POWER_STS_VBUSVALID0_STATUS)
|
|
||||||
+ return HW_POWER_EXTERNAL_SOURCE_5V;
|
|
||||||
+
|
|
||||||
+ /* Powered by Linreg, DC-DC is off */
|
|
||||||
+ if (!(offset & BM_POWER_LINREG_OFFSET_DCDC_MODE))
|
|
||||||
+ return HW_POWER_LINREG_DCDC_OFF;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ /* If VBUS valid then 5 V power supply present */
|
|
||||||
+ if (status & BM_POWER_STS_VBUSVALID0_STATUS) {
|
|
||||||
+ /* Powered by DC-DC, Linreg is on */
|
|
||||||
+ if (v5ctrl & BM_POWER_5VCTRL_ENABLE_DCDC)
|
|
||||||
+ return HW_POWER_DCDC_LINREG_ON;
|
|
||||||
+
|
|
||||||
+ /* Powered by Linreg, DC-DC is off */
|
|
||||||
+ return HW_POWER_LINREG_DCDC_OFF;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ /* DC-DC is on */
|
|
||||||
+ if (offset & BM_POWER_LINREG_OFFSET_DCDC_MODE) {
|
|
||||||
+ /* Powered by DC-DC, Linreg is on */
|
|
||||||
+ if (base & desc->enable_mask)
|
|
||||||
+ return HW_POWER_DCDC_LINREG_ON;
|
|
||||||
+
|
|
||||||
+ /* Powered by DC-DC, Linreg is off */
|
|
||||||
+ return HW_POWER_DCDC_LINREG_OFF;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ return HW_POWER_UNKNOWN_SOURCE;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static int mxs_set_dcdc_freq(struct regulator_dev *reg, u32 hz)
|
|
||||||
+{
|
|
||||||
+ struct mxs_reg_info *dcdc = rdev_get_drvdata(reg);
|
|
||||||
+ u32 val;
|
|
||||||
+ int ret;
|
|
||||||
+
|
|
||||||
+ if (dcdc->desc.id != MXS_DCDC) {
|
|
||||||
+ dev_warn(®->dev, "Setting switching freq is not supported\n");
|
|
||||||
+ return -EINVAL;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ ret = regmap_read(reg->regmap, HW_POWER_MISC, &val);
|
|
||||||
+ if (ret)
|
|
||||||
+ return ret;
|
|
||||||
+
|
|
||||||
+ val &= ~BM_POWER_MISC_FREQSEL;
|
|
||||||
+ val &= ~HW_POWER_MISC_SEL_PLLCLK;
|
|
||||||
+
|
|
||||||
+ /*
|
|
||||||
+ * Select the PLL/PFD based frequency that the DC-DC converter uses.
|
|
||||||
+ * The actual switching frequency driving the power inductor is
|
|
||||||
+ * DCDC_CLK/16. Accept only values recommend by Freescale.
|
|
||||||
+ */
|
|
||||||
+ switch (hz) {
|
|
||||||
+ case 1200000:
|
|
||||||
+ val |= HW_POWER_MISC_FREQSEL_19200_KHZ << SHIFT_FREQSEL;
|
|
||||||
+ break;
|
|
||||||
+ case 1250000:
|
|
||||||
+ val |= HW_POWER_MISC_FREQSEL_20000_KHZ << SHIFT_FREQSEL;
|
|
||||||
+ break;
|
|
||||||
+ case 1500000:
|
|
||||||
+ val |= HW_POWER_MISC_FREQSEL_24000_KHZ << SHIFT_FREQSEL;
|
|
||||||
+ break;
|
|
||||||
+ default:
|
|
||||||
+ dev_warn(®->dev, "Switching freq: %u Hz not supported\n",
|
|
||||||
+ hz);
|
|
||||||
+ return -EINVAL;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ /* First program FREQSEL */
|
|
||||||
+ ret = regmap_write(reg->regmap, HW_POWER_MISC, val);
|
|
||||||
+ if (ret)
|
|
||||||
+ return ret;
|
|
||||||
+
|
|
||||||
+ /* then set PLL as clock for DC-DC converter */
|
|
||||||
+ val |= HW_POWER_MISC_SEL_PLLCLK;
|
|
||||||
+
|
|
||||||
+ return regmap_write(reg->regmap, HW_POWER_MISC, val);
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static int mxs_ldo_set_voltage_sel(struct regulator_dev *reg, unsigned sel)
|
|
||||||
+{
|
|
||||||
+ struct mxs_reg_info *ldo = rdev_get_drvdata(reg);
|
|
||||||
+ struct regulator_desc *desc = &ldo->desc;
|
|
||||||
+ u32 status = 0;
|
|
||||||
+ int timeout;
|
|
||||||
+ int ret;
|
|
||||||
+
|
|
||||||
+ ret = regmap_update_bits(reg->regmap, desc->vsel_reg, desc->vsel_mask,
|
|
||||||
+ sel);
|
|
||||||
+ if (ret)
|
|
||||||
+ return ret;
|
|
||||||
+
|
|
||||||
+ if (ldo->get_power_source) {
|
|
||||||
+ switch (ldo->get_power_source(reg)) {
|
|
||||||
+ case HW_POWER_LINREG_DCDC_OFF:
|
|
||||||
+ case HW_POWER_LINREG_DCDC_READY:
|
|
||||||
+ case HW_POWER_EXTERNAL_SOURCE_5V:
|
|
||||||
+ /*
|
|
||||||
+ * Since the DC-DC converter is off we can't
|
|
||||||
+ * trigger on DC_OK. So wait at least 1 ms
|
|
||||||
+ * for stabilization.
|
|
||||||
+ */
|
|
||||||
+ usleep_range(1000, 2000);
|
|
||||||
+ return 0;
|
|
||||||
+ }
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ /* Make sure DC_OK has changed */
|
|
||||||
+ usleep_range(15, 20);
|
|
||||||
+
|
|
||||||
+ for (timeout = 0; timeout < 20; timeout++) {
|
|
||||||
+ ret = regmap_read(reg->regmap, HW_POWER_STS, &status);
|
|
||||||
+
|
|
||||||
+ if (ret)
|
|
||||||
+ break;
|
|
||||||
+
|
|
||||||
+ /* DC-DC converter control loop has stabilized */
|
|
||||||
+ if (status & BM_POWER_STS_DC_OK)
|
|
||||||
+ return 0;
|
|
||||||
+
|
|
||||||
+ udelay(1);
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ if (!ret)
|
|
||||||
+ dev_warn_ratelimited(®->dev, "%s: timeout status=0x%08x\n",
|
|
||||||
+ __func__, status);
|
|
||||||
+
|
|
||||||
+ msleep(20);
|
|
||||||
+
|
|
||||||
+ return -ETIMEDOUT;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static int mxs_ldo_is_enabled(struct regulator_dev *reg)
|
|
||||||
+{
|
|
||||||
+ struct mxs_reg_info *ldo = rdev_get_drvdata(reg);
|
|
||||||
+
|
|
||||||
+ if (ldo->get_power_source) {
|
|
||||||
+ switch (ldo->get_power_source(reg)) {
|
|
||||||
+ case HW_POWER_LINREG_DCDC_OFF:
|
|
||||||
+ case HW_POWER_LINREG_DCDC_READY:
|
|
||||||
+ case HW_POWER_DCDC_LINREG_ON:
|
|
||||||
+ return 1;
|
|
||||||
+ }
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ return 0;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static struct regulator_ops mxs_dcdc_ops = {
|
|
||||||
+ .is_enabled = regulator_is_enabled_regmap,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static struct regulator_ops mxs_ldo_ops = {
|
|
||||||
+ .list_voltage = regulator_list_voltage_linear,
|
|
||||||
+ .map_voltage = regulator_map_voltage_linear,
|
|
||||||
+ .set_voltage_sel = mxs_ldo_set_voltage_sel,
|
|
||||||
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
||||||
+ .is_enabled = mxs_ldo_is_enabled,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static const struct mxs_reg_info mxs_info_dcdc = {
|
|
||||||
+ .desc = {
|
|
||||||
+ .name = "dcdc",
|
|
||||||
+ .id = MXS_DCDC,
|
|
||||||
+ .type = REGULATOR_VOLTAGE,
|
|
||||||
+ .owner = THIS_MODULE,
|
|
||||||
+ .ops = &mxs_dcdc_ops,
|
|
||||||
+ .enable_reg = HW_POWER_STS,
|
|
||||||
+ .enable_mask = (1 << 0),
|
|
||||||
+ },
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static const struct mxs_reg_info imx23_info_vddio = {
|
|
||||||
+ .desc = {
|
|
||||||
+ .name = "vddio",
|
|
||||||
+ .id = MXS_VDDIO,
|
|
||||||
+ .type = REGULATOR_VOLTAGE,
|
|
||||||
+ .owner = THIS_MODULE,
|
|
||||||
+ .n_voltages = 0x20,
|
|
||||||
+ .uV_step = 25000,
|
|
||||||
+ .linear_min_sel = 0,
|
|
||||||
+ .min_uV = 2800000,
|
|
||||||
+ .vsel_reg = HW_POWER_VDDIOCTRL,
|
|
||||||
+ .vsel_mask = 0x1f,
|
|
||||||
+ .ops = &mxs_ldo_ops,
|
|
||||||
+ },
|
|
||||||
+ .ctrl_reg = HW_POWER_VDDIOCTRL,
|
|
||||||
+ .disable_fet_mask = 1 << 16,
|
|
||||||
+ .linreg_offset_mask = 3 << 12,
|
|
||||||
+ .linreg_offset_shift = 12,
|
|
||||||
+ .get_power_source = get_vddio_power_source,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static const struct mxs_reg_info imx28_info_vddio = {
|
|
||||||
+ .desc = {
|
|
||||||
+ .name = "vddio",
|
|
||||||
+ .id = MXS_VDDIO,
|
|
||||||
+ .type = REGULATOR_VOLTAGE,
|
|
||||||
+ .owner = THIS_MODULE,
|
|
||||||
+ .n_voltages = 0x11,
|
|
||||||
+ .uV_step = 50000,
|
|
||||||
+ .linear_min_sel = 0,
|
|
||||||
+ .min_uV = 2800000,
|
|
||||||
+ .vsel_reg = HW_POWER_VDDIOCTRL,
|
|
||||||
+ .vsel_mask = 0x1f,
|
|
||||||
+ .ops = &mxs_ldo_ops,
|
|
||||||
+ },
|
|
||||||
+ .ctrl_reg = HW_POWER_VDDIOCTRL,
|
|
||||||
+ .disable_fet_mask = 1 << 16,
|
|
||||||
+ .linreg_offset_mask = 3 << 12,
|
|
||||||
+ .linreg_offset_shift = 12,
|
|
||||||
+ .get_power_source = get_vddio_power_source,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static const struct mxs_reg_info mxs_info_vdda = {
|
|
||||||
+ .desc = {
|
|
||||||
+ .name = "vdda",
|
|
||||||
+ .id = MXS_VDDA,
|
|
||||||
+ .type = REGULATOR_VOLTAGE,
|
|
||||||
+ .owner = THIS_MODULE,
|
|
||||||
+ .n_voltages = 0x20,
|
|
||||||
+ .uV_step = 25000,
|
|
||||||
+ .linear_min_sel = 0,
|
|
||||||
+ .min_uV = 1500000,
|
|
||||||
+ .vsel_reg = HW_POWER_VDDACTRL,
|
|
||||||
+ .vsel_mask = 0x1f,
|
|
||||||
+ .ops = &mxs_ldo_ops,
|
|
||||||
+ .enable_mask = (1 << 17),
|
|
||||||
+ },
|
|
||||||
+ .ctrl_reg = HW_POWER_VDDACTRL,
|
|
||||||
+ .disable_fet_mask = 1 << 16,
|
|
||||||
+ .linreg_offset_mask = 3 << 12,
|
|
||||||
+ .linreg_offset_shift = 12,
|
|
||||||
+ .get_power_source = get_vdda_vddd_power_source,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static const struct mxs_reg_info mxs_info_vddd = {
|
|
||||||
+ .desc = {
|
|
||||||
+ .name = "vddd",
|
|
||||||
+ .id = MXS_VDDD,
|
|
||||||
+ .type = REGULATOR_VOLTAGE,
|
|
||||||
+ .owner = THIS_MODULE,
|
|
||||||
+ .n_voltages = 0x20,
|
|
||||||
+ .uV_step = 25000,
|
|
||||||
+ .linear_min_sel = 0,
|
|
||||||
+ .min_uV = 800000,
|
|
||||||
+ .vsel_reg = HW_POWER_VDDDCTRL,
|
|
||||||
+ .vsel_mask = 0x1f,
|
|
||||||
+ .ops = &mxs_ldo_ops,
|
|
||||||
+ .enable_mask = (1 << 21),
|
|
||||||
+ },
|
|
||||||
+ .ctrl_reg = HW_POWER_VDDDCTRL,
|
|
||||||
+ .disable_fet_mask = 1 << 20,
|
|
||||||
+ .linreg_offset_mask = 3 << 16,
|
|
||||||
+ .linreg_offset_shift = 16,
|
|
||||||
+ .get_power_source = get_vdda_vddd_power_source,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+static const struct of_device_id of_mxs_regulator_match[] = {
|
|
||||||
+ { .compatible = "fsl,imx23-dcdc", .data = &mxs_info_dcdc },
|
|
||||||
+ { .compatible = "fsl,imx28-dcdc", .data = &mxs_info_dcdc },
|
|
||||||
+ { .compatible = "fsl,imx23-vddio", .data = &imx23_info_vddio },
|
|
||||||
+ { .compatible = "fsl,imx23-vdda", .data = &mxs_info_vdda },
|
|
||||||
+ { .compatible = "fsl,imx23-vddd", .data = &mxs_info_vddd },
|
|
||||||
+ { .compatible = "fsl,imx28-vddio", .data = &imx28_info_vddio },
|
|
||||||
+ { .compatible = "fsl,imx28-vdda", .data = &mxs_info_vdda },
|
|
||||||
+ { .compatible = "fsl,imx28-vddd", .data = &mxs_info_vddd },
|
|
||||||
+ { /* end */ }
|
|
||||||
+};
|
|
||||||
+MODULE_DEVICE_TABLE(of, of_mxs_regulator_match);
|
|
||||||
+
|
|
||||||
+static int mxs_regulator_probe(struct platform_device *pdev)
|
|
||||||
+{
|
|
||||||
+ struct device *dev = &pdev->dev;
|
|
||||||
+ const struct of_device_id *match;
|
|
||||||
+ struct device_node *parent_np;
|
|
||||||
+ struct regulator_dev *rdev = NULL;
|
|
||||||
+ struct mxs_reg_info *info;
|
|
||||||
+ struct regulator_init_data *initdata;
|
|
||||||
+ struct regulator_config config = { };
|
|
||||||
+ u32 switch_freq;
|
|
||||||
+
|
|
||||||
+ match = of_match_device(of_mxs_regulator_match, dev);
|
|
||||||
+ if (!match) {
|
|
||||||
+ /* We do not expect this to happen */
|
|
||||||
+ dev_err(dev, "%s: Unable to match device\n", __func__);
|
|
||||||
+ return -ENODEV;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ info = devm_kmemdup(dev, match->data, sizeof(struct mxs_reg_info),
|
|
||||||
+ GFP_KERNEL);
|
|
||||||
+ if (!info)
|
|
||||||
+ return -ENOMEM;
|
|
||||||
+
|
|
||||||
+ initdata = of_get_regulator_init_data(dev, dev->of_node, &info->desc);
|
|
||||||
+ if (!initdata) {
|
|
||||||
+ dev_err(dev, "missing regulator init data\n");
|
|
||||||
+ return -EINVAL;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ parent_np = of_get_parent(dev->of_node);
|
|
||||||
+ if (!parent_np)
|
|
||||||
+ return -ENODEV;
|
|
||||||
+ config.regmap = syscon_node_to_regmap(parent_np);
|
|
||||||
+ of_node_put(parent_np);
|
|
||||||
+ if (IS_ERR(config.regmap))
|
|
||||||
+ return PTR_ERR(config.regmap);
|
|
||||||
+
|
|
||||||
+ config.dev = dev;
|
|
||||||
+ config.init_data = initdata;
|
|
||||||
+ config.driver_data = info;
|
|
||||||
+ config.of_node = dev->of_node;
|
|
||||||
+
|
|
||||||
+ rdev = devm_regulator_register(dev, &info->desc, &config);
|
|
||||||
+ if (IS_ERR(rdev)) {
|
|
||||||
+ int ret = PTR_ERR(rdev);
|
|
||||||
+
|
|
||||||
+ dev_err(dev, "%s: failed to register regulator(%d)\n",
|
|
||||||
+ __func__, ret);
|
|
||||||
+ return ret;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ if (!of_property_read_u32(dev->of_node, "switching-frequency",
|
|
||||||
+ &switch_freq))
|
|
||||||
+ mxs_set_dcdc_freq(rdev, switch_freq);
|
|
||||||
+
|
|
||||||
+ platform_set_drvdata(pdev, rdev);
|
|
||||||
+
|
|
||||||
+ return 0;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static struct platform_driver mxs_regulator_driver = {
|
|
||||||
+ .driver = {
|
|
||||||
+ .name = "mxs_regulator",
|
|
||||||
+ .of_match_table = of_mxs_regulator_match,
|
|
||||||
+ },
|
|
||||||
+ .probe = mxs_regulator_probe,
|
|
||||||
+};
|
|
||||||
+
|
|
||||||
+module_platform_driver(mxs_regulator_driver);
|
|
||||||
+
|
|
||||||
+MODULE_AUTHOR("Stefan Wahren <stefan.wahren@i2se.com>");
|
|
||||||
+MODULE_DESCRIPTION("Freescale MXS regulators");
|
|
||||||
+MODULE_LICENSE("GPL v2");
|
|
||||||
+MODULE_ALIAS("platform:mxs_regulator");
|
|
||||||
@@ -1,100 +0,0 @@
|
|||||||
--- a/arch/arm/boot/dts/imx23.dtsi
|
|
||||||
+++ b/arch/arm/boot/dts/imx23.dtsi
|
|
||||||
@@ -439,8 +439,46 @@
|
|
||||||
};
|
|
||||||
|
|
||||||
power@80044000 {
|
|
||||||
+ compatible = "fsl,imx23-power", "syscon";
|
|
||||||
reg = <0x80044000 0x2000>;
|
|
||||||
- status = "disabled";
|
|
||||||
+ interrupts = <3>;
|
|
||||||
+
|
|
||||||
+ dcdc: regulator@1 {
|
|
||||||
+ compatible = "fsl,imx23-dcdc";
|
|
||||||
+ regulator-name = "dcdc";
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
+
|
|
||||||
+ reg_vddd: regulator@2 {
|
|
||||||
+ compatible = "fsl,imx23-vddd";
|
|
||||||
+ regulator-name = "vddd";
|
|
||||||
+ regulator-min-microvolt = <1350000>;
|
|
||||||
+ regulator-max-microvolt = <1550000>;
|
|
||||||
+ vddd-supply = <®_vdda>;
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
+
|
|
||||||
+ reg_vdda: regulator@3 {
|
|
||||||
+ compatible = "fsl,imx23-vdda";
|
|
||||||
+ regulator-name = "vdda";
|
|
||||||
+ regulator-min-microvolt = <1725000>;
|
|
||||||
+ regulator-max-microvolt = <1950000>;
|
|
||||||
+ vdda-supply = <®_vddio>;
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
+
|
|
||||||
+ reg_vddio: regulator@4 {
|
|
||||||
+ compatible = "fsl,imx23-vddio";
|
|
||||||
+ regulator-name = "vddio";
|
|
||||||
+ regulator-min-microvolt = <3000000>;
|
|
||||||
+ regulator-max-microvolt = <3575000>;
|
|
||||||
+ regulator-microvolt-offset = <80000>;
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
};
|
|
||||||
|
|
||||||
saif1: saif@80046000 {
|
|
||||||
--- a/arch/arm/boot/dts/imx28.dtsi
|
|
||||||
+++ b/arch/arm/boot/dts/imx28.dtsi
|
|
||||||
@@ -1037,8 +1037,46 @@
|
|
||||||
};
|
|
||||||
|
|
||||||
power: power@80044000 {
|
|
||||||
+ compatible = "fsl,imx28-power", "syscon";
|
|
||||||
reg = <0x80044000 0x2000>;
|
|
||||||
- status = "disabled";
|
|
||||||
+ interrupts = <6>;
|
|
||||||
+
|
|
||||||
+ dcdc: regulator@1 {
|
|
||||||
+ compatible = "fsl,imx28-dcdc";
|
|
||||||
+ regulator-name = "dcdc";
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
+
|
|
||||||
+ reg_vddd: regulator@2 {
|
|
||||||
+ compatible = "fsl,imx28-vddd";
|
|
||||||
+ regulator-name = "vddd";
|
|
||||||
+ regulator-min-microvolt = <1350000>;
|
|
||||||
+ regulator-max-microvolt = <1550000>;
|
|
||||||
+ vddd-supply = <®_vdda>;
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
+
|
|
||||||
+ reg_vdda: regulator@3 {
|
|
||||||
+ compatible = "fsl,imx28-vdda";
|
|
||||||
+ regulator-name = "vdda";
|
|
||||||
+ regulator-min-microvolt = <1725000>;
|
|
||||||
+ regulator-max-microvolt = <1950000>;
|
|
||||||
+ vdda-supply = <®_vddio>;
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
+
|
|
||||||
+ reg_vddio: regulator@4 {
|
|
||||||
+ compatible = "fsl,imx28-vddio";
|
|
||||||
+ regulator-name = "vddio";
|
|
||||||
+ regulator-min-microvolt = <3000000>;
|
|
||||||
+ regulator-max-microvolt = <3550000>;
|
|
||||||
+ regulator-microvolt-offset = <80000>;
|
|
||||||
+ regulator-boot-on;
|
|
||||||
+ regulator-always-on;
|
|
||||||
+ };
|
|
||||||
};
|
|
||||||
|
|
||||||
saif1: saif@80046000 {
|
|
||||||
@@ -1,74 +0,0 @@
|
|||||||
From: Fabio Estevam <fabio.estevam@nxp.com>
|
|
||||||
|
|
||||||
Currently the mxs-dcp driver fails to probe:
|
|
||||||
|
|
||||||
mxs-dcp 80028000.dcp: Failed to register sha1 hash!
|
|
||||||
mxs-dcp: probe of 80028000.dcp failed with error -22
|
|
||||||
|
|
||||||
This happens since commit 8996eafdcbad ("crypto: ahash - ensure statesize
|
|
||||||
is non-zero"), which requires statesize to be filled.
|
|
||||||
|
|
||||||
Other than filling statesize, we also need to provide the import/export
|
|
||||||
functions.
|
|
||||||
|
|
||||||
Based on the implementation of the sahara and caam drivers.
|
|
||||||
|
|
||||||
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
|
|
||||||
---
|
|
||||||
Changes since v2:
|
|
||||||
- Newly introduced in this series
|
|
||||||
|
|
||||||
drivers/crypto/mxs-dcp.c | 24 ++++++++++++++++++++++++
|
|
||||||
1 file changed, 24 insertions(+)
|
|
||||||
|
|
||||||
--- a/drivers/crypto/mxs-dcp.c
|
|
||||||
+++ b/drivers/crypto/mxs-dcp.c
|
|
||||||
@@ -775,6 +775,24 @@ static void dcp_sha_cra_exit(struct cryp
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
+static int dcp_sha_export(struct ahash_request *req, void *out)
|
|
||||||
+{
|
|
||||||
+ struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
|
|
||||||
+
|
|
||||||
+ memcpy(out, rctx, sizeof(struct dcp_sha_req_ctx));
|
|
||||||
+
|
|
||||||
+ return 0;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static int dcp_sha_import(struct ahash_request *req, const void *in)
|
|
||||||
+{
|
|
||||||
+ struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
|
|
||||||
+
|
|
||||||
+ memcpy(rctx, in, sizeof(struct dcp_sha_req_ctx));
|
|
||||||
+
|
|
||||||
+ return 0;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
/* AES 128 ECB and AES 128 CBC */
|
|
||||||
static struct crypto_alg dcp_aes_algs[] = {
|
|
||||||
{
|
|
||||||
@@ -834,8 +852,11 @@ static struct ahash_alg dcp_sha1_alg = {
|
|
||||||
.final = dcp_sha_final,
|
|
||||||
.finup = dcp_sha_finup,
|
|
||||||
.digest = dcp_sha_digest,
|
|
||||||
+ .import = dcp_sha_import,
|
|
||||||
+ .export = dcp_sha_export,
|
|
||||||
.halg = {
|
|
||||||
.digestsize = SHA1_DIGEST_SIZE,
|
|
||||||
+ .statesize = sizeof(struct dcp_sha_req_ctx),
|
|
||||||
.base = {
|
|
||||||
.cra_name = "sha1",
|
|
||||||
.cra_driver_name = "sha1-dcp",
|
|
||||||
@@ -858,8 +879,11 @@ static struct ahash_alg dcp_sha256_alg =
|
|
||||||
.final = dcp_sha_final,
|
|
||||||
.finup = dcp_sha_finup,
|
|
||||||
.digest = dcp_sha_digest,
|
|
||||||
+ .import = dcp_sha_import,
|
|
||||||
+ .export = dcp_sha_export,
|
|
||||||
.halg = {
|
|
||||||
.digestsize = SHA256_DIGEST_SIZE,
|
|
||||||
+ .statesize = sizeof(struct dcp_sha_req_ctx),
|
|
||||||
.base = {
|
|
||||||
.cra_name = "sha256",
|
|
||||||
.cra_driver_name = "sha256-dcp",
|
|
||||||
Reference in New Issue
Block a user