diff options
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/dmm.txt | 22 | ||||
| -rw-r--r-- | arch/arm/boot/dts/dra7.dtsi | 7 | ||||
| -rw-r--r-- | arch/arm/boot/dts/omap4.dtsi | 7 | ||||
| -rw-r--r-- | arch/arm/boot/dts/omap5.dtsi | 7 |
4 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/dmm.txt b/Documentation/devicetree/bindings/arm/omap/dmm.txt new file mode 100644 index 000000000000..8bd6d0a238a8 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/dmm.txt @@ -0,0 +1,22 @@ +OMAP Dynamic Memory Manager (DMM) bindings + +The dynamic memory manager (DMM) is a module located immediately in front of the +SDRAM controllers (called EMIFs on OMAP). DMM manages various aspects of memory +accesses such as priority generation amongst initiators, configuration of SDRAM +interleaving, optimizing transfer of 2D block objects, and provide MMU-like page +translation for initiators which need contiguous dma bus addresses. + +Required properties: +- compatible: Should contain "ti,omap4-dmm" for OMAP4 family + Should contain "ti,omap5-dmm" for OMAP5 and DRA7x family +- reg: Contains DMM register address range (base address and length) +- interrupts: Should contain an interrupt-specifier for DMM_IRQ. +- ti,hwmods: Name of the hwmod associated to DMM, which is typically "dmm" + +Example: + +dmm@4e000000 { + compatible = "ti,omap4-dmm"; + reg = <0x4e000000 0x800>; + ti,hwmods = "dmm"; +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 1fd75aa4639d..6e89630f8022 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -464,6 +464,13 @@ ti,hwmods = "wd_timer2"; }; + dmm@4e000000 { + compatible = "ti,omap5-dmm"; + reg = <0x4e000000 0x800>; + interrupts = <0 113 0x4>; + ti,hwmods = "dmm"; + }; + i2c1: i2c@48070000 { compatible = "ti,omap4-i2c"; reg = <0x48070000 0x100>; diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index d3f8a6e8ca20..1b4f59bed0f5 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -554,6 +554,13 @@ ti,hwmods = "kbd"; }; + dmm@4e000000 { + compatible = "ti,omap4-dmm"; + reg = <0x4e000000 0x800>; + interrupts = <0 113 0x4>; + ti,hwmods = "dmm"; + }; + emif1: emif@4c000000 { compatible = "ti,emif-4d"; reg = <0x4c000000 0x100>; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index a72813a9663e..4c3e9f125475 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -683,6 +683,13 @@ ti,hwmods = "wd_timer2"; }; + dmm@4e000000 { + compatible = "ti,omap5-dmm"; + reg = <0x4e000000 0x800>; + interrupts = <0 113 0x4>; + ti,hwmods = "dmm"; + }; + emif1: emif@4c000000 { compatible = "ti,emif-4d5"; ti,hwmods = "emif1"; |