memory: brcmstb: Add driver for DPFE

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>

1 files changed, 8 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 2281af4b41b6..43ed9eb98c43 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2963,6 +2963,14 @@ L:	bcm-kernel-feedback-list@broadcom.com
 S:      Maintained
 F:      drivers/mtd/nand/brcmnand/
 
+BROADCOM STB DPFE DRIVER
+M:      Markus Mayer <mmayer@broadcom.com>
+M:      bcm-kernel-feedback-list@broadcom.com
+L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:      Maintained
+F:      Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.txt
+F:      drivers/memory/brcmstb_dpfe.c
+
 BROADCOM SYSTEMPORT ETHERNET DRIVER
 M:      Florian Fainelli <f.fainelli@gmail.com>
 L:      netdev@vger.kernel.org