diff options
Diffstat (limited to 'dts/Bindings/memory-controllers/nvidia,tegra20-emc.txt')
| -rw-r--r-- | dts/Bindings/memory-controllers/nvidia,tegra20-emc.txt | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/dts/Bindings/memory-controllers/nvidia,tegra20-emc.txt b/dts/Bindings/memory-controllers/nvidia,tegra20-emc.txt index add9536764..cc443fcf4b 100644 --- a/dts/Bindings/memory-controllers/nvidia,tegra20-emc.txt +++ b/dts/Bindings/memory-controllers/nvidia,tegra20-emc.txt @@ -12,18 +12,44 @@ Properties: irrespective of ram-code configuration. - interrupts : Should contain EMC General interrupt. - clocks : Should contain EMC clock. +- nvidia,memory-controller : Phandle of the Memory Controller node. +- #interconnect-cells : Should be 0. +- operating-points-v2: See ../bindings/opp/opp.txt for details. + +For each opp entry in 'operating-points-v2' table: +- opp-supported-hw: One bitfield indicating SoC process ID mask + + A bitwise AND is performed against this value and if any bit + matches, the OPP gets enabled. + +Optional properties: +- core-supply: Phandle of voltage regulator of the SoC "core" power domain. Child device nodes describe the memory settings for different configurations and clock rates. Example: + opp_table: opp-table { + compatible = "operating-points-v2"; + + opp@36000000 { + opp-microvolt = <950000 950000 1300000>; + opp-hz = /bits/ 64 <36000000>; + }; + ... + }; + memory-controller@7000f400 { #address-cells = < 1 >; #size-cells = < 0 >; + #interconnect-cells = <0>; compatible = "nvidia,tegra20-emc"; - reg = <0x7000f4000 0x200>; + reg = <0x7000f400 0x400>; interrupts = <0 78 0x04>; clocks = <&tegra_car TEGRA20_CLK_EMC>; + nvidia,memory-controller = <&mc>; + core-supply = <&core_vdd_reg>; + operating-points-v2 = <&opp_table>; } |