diff options
author | Markus Mayer <mmayer@broadcom.com> | 2017-08-24 16:36:25 -0700 |
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committer | Florian Fainelli <f.fainelli@gmail.com> | 2017-09-18 11:59:38 -0700 |
commit | 367f15d3130e0d6c6818a4ace2463914e8c78e2c (patch) | |
tree | 011cd51a56149442b7b6e213a665bb47501efe5c /Documentation/devicetree/bindings/memory-controllers | |
parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) |
dt-bindings: Add bindings for Broadcom STB DRAM Sensors
Provide bindings for the Broadcom STB DDR PHY Front End (DPFE).
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/memory-controllers')
-rw-r--r-- | Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.txt b/Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.txt new file mode 100644 index 000000000000..82d923ef413f --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.txt @@ -0,0 +1,27 @@ +DDR PHY Front End (DPFE) for Broadcom STB +========================================= + +DPFE and the DPFE firmware provide an interface for the host CPU to +communicate with the DCPU, which resides inside the DDR PHY. + +There are three memory regions for interacting with the DCPU. These are +specified in a single reg property. + +Required properties: + - compatible: must be "brcm,bcm7271-dpfe-cpu", "brcm,bcm7268-dpfe-cpu" + or "brcm,dpfe-cpu" + - reg: must reference three register ranges + - start address and length of the DCPU register space + - start address and length of the DCPU data memory space + - start address and length of the DCPU instruction memory space + - reg-names: must contain "dpfe-cpu", "dpfe-dmem", and "dpfe-imem"; + they must be in the same order as the register declarations + +Example: + dpfe_cpu0: dpfe-cpu@f1132000 { + compatible = "brcm,bcm7271-dpfe-cpu", "brcm,dpfe-cpu"; + reg = <0xf1132000 0x180 + 0xf1134000 0x1000 + 0xf1138000 0x4000>; + reg-names = "dpfe-cpu", "dpfe-dmem", "dpfe-imem"; + }; |