diff options
Diffstat (limited to 'Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml | 138 |
1 files changed, 1 insertions, 137 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml b/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml index 6b516d3895af..d71af02b7f16 100644 --- a/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml @@ -48,143 +48,7 @@ properties: patternProperties: "^.*@[0-4],[a-f0-9]+$": type: object - - properties: - reg: - description: Bank number, base address and size of the device. - - st,fmc2-ebi-cs-transaction-type: - description: | - Select one of the transactions type supported - 0: Asynchronous mode 1 SRAM/FRAM. - 1: Asynchronous mode 1 PSRAM. - 2: Asynchronous mode A SRAM/FRAM. - 3: Asynchronous mode A PSRAM. - 4: Asynchronous mode 2 NOR. - 5: Asynchronous mode B NOR. - 6: Asynchronous mode C NOR. - 7: Asynchronous mode D NOR. - 8: Synchronous read synchronous write PSRAM. - 9: Synchronous read asynchronous write PSRAM. - 10: Synchronous read synchronous write NOR. - 11: Synchronous read asynchronous write NOR. - $ref: /schemas/types.yaml#/definitions/uint32 - minimum: 0 - maximum: 11 - - st,fmc2-ebi-cs-cclk-enable: - description: Continuous clock enable (first bank must be configured - in synchronous mode). The FMC_CLK is generated continuously - during asynchronous and synchronous access. By default, the - FMC_CLK is only generated during synchronous access. - $ref: /schemas/types.yaml#/definitions/flag - - st,fmc2-ebi-cs-mux-enable: - description: Address/Data multiplexed on databus (valid only with - NOR and PSRAM transactions type). By default, Address/Data - are not multiplexed. - $ref: /schemas/types.yaml#/definitions/flag - - st,fmc2-ebi-cs-buswidth: - description: Data bus width - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [ 8, 16 ] - default: 16 - - st,fmc2-ebi-cs-waitpol-high: - description: Wait signal polarity (NWAIT signal active high). - By default, NWAIT is active low. - $ref: /schemas/types.yaml#/definitions/flag - - st,fmc2-ebi-cs-waitcfg-enable: - description: The NWAIT signal indicates wheither the data from the - device are valid or if a wait state must be inserted when accessing - the device in synchronous mode. By default, the NWAIT signal is - active one data cycle before wait state. - $ref: /schemas/types.yaml#/definitions/flag - - st,fmc2-ebi-cs-wait-enable: - description: The NWAIT signal is enabled (its level is taken into - account after the programmed latency period to insert wait states - if asserted). By default, the NWAIT signal is disabled. - $ref: /schemas/types.yaml#/definitions/flag - - st,fmc2-ebi-cs-asyncwait-enable: - description: The NWAIT signal is taken into account during asynchronous - transactions. By default, the NWAIT signal is not taken into account - during asynchronous transactions. - $ref: /schemas/types.yaml#/definitions/flag - - st,fmc2-ebi-cs-cpsize: - description: CRAM page size. The controller splits the burst access - when the memory page is reached. By default, no burst split when - crossing page boundary. - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [ 0, 128, 256, 512, 1024 ] - default: 0 - - st,fmc2-ebi-cs-byte-lane-setup-ns: - description: This property configures the byte lane setup timing - defined in nanoseconds from NBLx low to Chip Select NEx low. - - st,fmc2-ebi-cs-address-setup-ns: - description: This property defines the duration of the address setup - phase in nanoseconds used for asynchronous read/write transactions. - - st,fmc2-ebi-cs-address-hold-ns: - description: This property defines the duration of the address hold - phase in nanoseconds used for asynchronous multiplexed read/write - transactions. - - st,fmc2-ebi-cs-data-setup-ns: - description: This property defines the duration of the data setup phase - in nanoseconds used for asynchronous read/write transactions. - - st,fmc2-ebi-cs-bus-turnaround-ns: - description: This property defines the delay in nanoseconds between the - end of current read/write transaction and the next transaction. - - st,fmc2-ebi-cs-data-hold-ns: - description: This property defines the duration of the data hold phase - in nanoseconds used for asynchronous read/write transactions. - - st,fmc2-ebi-cs-clk-period-ns: - description: This property defines the FMC_CLK output signal period in - nanoseconds. - - st,fmc2-ebi-cs-data-latency-ns: - description: This property defines the data latency before reading or - writing the first data in nanoseconds. - - st,fmc2_ebi-cs-write-address-setup-ns: - description: This property defines the duration of the address setup - phase in nanoseconds used for asynchronous write transactions. - - st,fmc2-ebi-cs-write-address-hold-ns: - description: This property defines the duration of the address hold - phase in nanoseconds used for asynchronous multiplexed write - transactions. - - st,fmc2-ebi-cs-write-data-setup-ns: - description: This property defines the duration of the data setup - phase in nanoseconds used for asynchronous write transactions. - - st,fmc2-ebi-cs-write-bus-turnaround-ns: - description: This property defines the delay between the end of current - write transaction and the next transaction in nanoseconds. - - st,fmc2-ebi-cs-write-data-hold-ns: - description: This property defines the duration of the data hold phase - in nanoseconds used for asynchronous write transactions. - - st,fmc2-ebi-cs-max-low-pulse-ns: - description: This property defines the maximum chip select low pulse - duration in nanoseconds for synchronous transactions. When this timing - reaches 0, the controller splits the current access, toggles NE to - allow device refresh and restarts a new access. - - required: - - reg + $ref: mc-peripheral-props.yaml# required: - "#address-cells" |