diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi/sh-msiof.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/sh-msiof.txt | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt index eae3c8c..1f0cb33 100644 --- a/Documentation/devicetree/bindings/spi/sh-msiof.txt +++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt @@ -1,8 +1,13 @@ Renesas MSIOF spi controller Required properties: -- compatible : "renesas,sh-msiof" for SuperH, or +- compatible : "renesas,msiof-<soctype>" for SoCs, + "renesas,sh-msiof" for SuperH, or "renesas,sh-mobile-msiof" for SH Mobile series. + Examples with soctypes are: + "renesas,msiof-sh7724" (SH) + "renesas,msiof-r8a7790" (R-Car H2) + "renesas,msiof-r8a7791" (R-Car M2) - reg : Offset and length of the register set for the device - interrupt-parent : The phandle for the interrupt controller that services interrupts for this device @@ -13,10 +18,24 @@ Required properties: Optional properties: - clocks : Must contain a reference to the functional clock. - num-cs : Total number of chip-selects (default is 1) + +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) + (default is 64, or 256 on R-Car H2 and M2) Pinctrl properties might be needed, too. See Documentation/devicetree/bindings/pinctrl/renesas,*. + +Example: + + msiof0: spi@e6e20000 { + compatible = "renesas,msiof-r8a7791"; + reg = <0 0xe6e20000 0 0x0064>; + interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; |
