diff options
author | Stefan Agner <stefan@agner.ch> | 2016-02-10 18:39:53 -0800 |
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committer | Stefan Agner <stefan@agner.ch> | 2016-02-10 18:42:39 -0800 |
commit | aeba86b40dd59645d817e08111cb477f7e5e6f4f (patch) | |
tree | a6f1e9fe8df8a2887fd2917d5f2e5d6c34a5f3bb /Documentation/devicetree/bindings | |
parent | 752af48811ba9c99f94ad3d8894a8867e088923e (diff) |
Documentation: dt: add Vybrid DDR memory controller bindings
Add device-tree bindings of Vybrids LPDDR2/DDR3 SDRAM Memory
Controller. Access to the device is required to put the memory
into self-refresh mode.
Diffstat (limited to 'Documentation/devicetree/bindings')
-rw-r--r-- | Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt new file mode 100644 index 000000000000..56a71d6bb423 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt @@ -0,0 +1,23 @@ +Freescale Vybrid LPDDR2/DDR3 SDRAM Memory Controller + +The memory controller supports high performance applications for 16-bit or +8-bit DDR2, or LPDDR SDRAM memories. + +Required properties: +- compatible: "fsl,vf610-ddrmc" +- reg: the register range of the DDRMC registers +- clocks: DDRMC main clock to clock memory and access registers. +- clock-names: Must contain "ddrc", matching entry in the clocks property. +- fsl,has-cke-reset-pulls: + States whether pull-down/up are populated on DDR CKE/RESET + signals to allow using DDR self-refresh modes (see Vybrid + Hardware Development Guide for details). + +Example: + ddrmc: ddrmc@400ae000 { + compatible = "fsl,vf610-ddrmc"; + reg = <0x400ae000 0x1000>; + clocks = <&clks VF610_CLK_DDRMC>; + clock-names = "ddrc"; + fsl,has-cke-reset-pulls; + } |