diff options
author | Vignesh Raghavendra <vigneshr@ti.com> | 2019-04-23 16:18:13 +0530 |
---|---|---|
committer | Han Xu <han.xu@nxp.com> | 2019-05-07 11:12:10 -0500 |
commit | c5ac8a7ccc453a8aa89ceb12e7b1f81536831f3f (patch) | |
tree | 7321c0cbf47d88797b8d3dce7f7caaaedea1db96 /Documentation/devicetree | |
parent | 7dcceaba83187a419acdfbb46aa985c31f18857e (diff) |
dt-bindings: mtd: Add bindings for TI's AM654 HyperBus memory controller
Add binding documentation for TI's HyperBus memory controller present on
AM654 SoC.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt new file mode 100644 index 000000000000..fc87c7918389 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt @@ -0,0 +1,32 @@ +Bindings for HyperBus Memory Controller (HBMC) on TI's K3 family of SoCs + +Required properties: +- compatible : "ti,am654-hbmc" for AM654 SoC +- reg : Two entries: + First entry pointed to the register space of HBMC controller + Second entry pointing to the memory map region dedicated for + MMIO access to attached flash devices +- ranges : Address range allocated for each chipselect in the MMIO space + +Optional properties: +- mux-controls : phandle to the multiplexer that controls selection of + HBMC vs OSPI. Mux state of 1 indicates HBMC is selected. + +Example: + + hbmc: hbmc@47034000 { + compatible = "ti,am654-hbmc"; + reg = <0x0 0x47034000 0x0 0x100>, + <0x5 0x00000000 0x1 0x0000000>; + power-domains = <&k3_pds 55>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */ + <0x1 0x5 0x04000000 0x4000000>; /* CS1 - 64MB + + /* Slave flash node */ + flash@0 { + compatible = "cypress,hyperflash"; + reg = <0x0 0x4000000>; + }; + }; |