diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/sh-msiof.txt | 23 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-rspi.txt | 10 |
2 files changed, 28 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt index f24baf3b6cc1..d11c3721e7cd 100644 --- a/Documentation/devicetree/bindings/spi/sh-msiof.txt +++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt @@ -6,8 +6,17 @@ Required properties: "renesas,sh-mobile-msiof" for SH Mobile series. Examples with soctypes are: "renesas,msiof-r8a7790" (R-Car H2) - "renesas,msiof-r8a7791" (R-Car M2) -- reg : Offset and length of the register set for the device + "renesas,msiof-r8a7791" (R-Car M2-W) + "renesas,msiof-r8a7792" (R-Car V2H) + "renesas,msiof-r8a7793" (R-Car M2-N) + "renesas,msiof-r8a7794" (R-Car E2) +- reg : A list of offsets and lengths of the register sets for + the device. + If only one register set is present, it is to be used + by both the CPU and the DMA engine. + If two register sets are present, the first is to be + used by the CPU, and the second is to be used by the + DMA engine. - interrupt-parent : The phandle for the interrupt controller that services interrupts for this device - interrupts : Interrupt specifier @@ -17,12 +26,16 @@ Required properties: Optional properties: - clocks : Must contain a reference to the functional clock. - num-cs : Total number of chip-selects (default is 1) +- dmas : Must contain a list of two references to DMA + specifiers, one for transmission, and one for + reception. +- dma-names : Must contain a list of two DMA names, "tx" and "rx". Optional properties, deprecated for soctype-specific bindings: - renesas,tx-fifo-size : Overrides the default tx fifo size given in words (default is 64) - renesas,rx-fifo-size : Overrides the default rx fifo size given in words - (default is 64, or 256 on R-Car H2 and M2) + (default is 64, or 256 on R-Car Gen2) Pinctrl properties might be needed, too. See Documentation/devicetree/bindings/pinctrl/renesas,*. @@ -31,9 +44,11 @@ Example: msiof0: spi@e6e20000 { compatible = "renesas,msiof-r8a7791"; - reg = <0 0xe6e20000 0 0x0064>; + reg = <0 0xe6e20000 0 0x0064>, <0 0xe7e20000 0 0x0064>; interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>; + dmas = <&dmac0 0x51>, <&dmac0 0x52>; + dma-names = "tx", "rx"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; diff --git a/Documentation/devicetree/bindings/spi/spi-rspi.txt b/Documentation/devicetree/bindings/spi/spi-rspi.txt index d57d82a74054..8f4169f63936 100644 --- a/Documentation/devicetree/bindings/spi/spi-rspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-rspi.txt @@ -11,7 +11,10 @@ Required properties: - "renesas,rspi-sh7757" (SH) - "renesas,rspi-r7s72100" (RZ/A1H) - "renesas,qspi-r8a7790" (R-Car H2) - - "renesas,qspi-r8a7791" (R-Car M2) + - "renesas,qspi-r8a7791" (R-Car M2-W) + - "renesas,qspi-r8a7792" (R-Car V2H) + - "renesas,qspi-r8a7793" (R-Car M2-N) + - "renesas,qspi-r8a7794" (R-Car E2) - reg : Address start and address range size of the device - interrupts : A list of interrupt-specifiers, one for each entry in interrupt-names. @@ -30,6 +33,9 @@ Required properties: Optional properties: - clocks : Must contain a reference to the functional clock. +- dmas : Must contain a list of two references to DMA specifiers, + one for transmission, and one for reception. +- dma-names : Must contain a list of two DMA names, "tx" and "rx". Pinctrl properties might be needed, too. See Documentation/devicetree/bindings/pinctrl/renesas,*. @@ -58,4 +64,6 @@ Examples: num-cs = <1>; #address-cells = <1>; #size-cells = <0>; + dmas = <&dmac0 0x17>, <&dmac0 0x18>; + dma-names = "tx", "rx"; }; |