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memory: brcmstb: Add driver for DPFE

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This driver allows access to DRAM properties, such as the refresh rate,
via the Broadcom STB DDR PHY Front End (DPFE). The refresh rate can be
used as indirect indicator of the DRAM temperature.

The driver also allows setting of the sampling interval.

Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Markus Mayer
2017-08-24 16:36:26 -07:00
committed by Florian Fainelli
parent 367f15d313
commit 2f330caff5
3 changed files with 710 additions and 0 deletions
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drivers/memory/Makefile
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@@ -8,6 +8,7 @@ endif
obj-$(CONFIG_ARM_PL172_MPMC) += pl172.o
obj-$(CONFIG_ATMEL_SDRAMC) += atmel-sdramc.o
obj-$(CONFIG_ATMEL_EBI) += atmel-ebi.o
obj-$(CONFIG_ARCH_BRCMSTB) += brcmstb_dpfe.o
obj-$(CONFIG_TI_AEMIF) += ti-aemif.o
obj-$(CONFIG_TI_EMIF) += emif.o
obj-$(CONFIG_OMAP_GPMC) += omap-gpmc.o