diff options
| author | Geert Uytterhoeven <geert+renesas@linux-m68k.org> | 2014-03-11 13:40:51 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-11 14:38:41 +0400 |
| commit | c3003ce144fe0279e4299030b1cfad6f4b39116a (patch) | |
| tree | beee763e0cf9ee50b9a03b5a02abceba02acfae9 /Documentation/devicetree/bindings | |
| parent | e428a420078eac26039b53af464355332809be52 (diff) | |
| download | linux-c3003ce144fe0279e4299030b1cfad6f4b39116a.tar.xz | |
spi: sh-spi: Improve bindings
- Add future-proof "renesas,hspi-<soctype>" compatible values,
- Add missing "interrupt-parent", "#address-cells", and "#size-cells"
properties,
- Add reference to pinctrl documentation,
- Add example bindings.
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/sh-hspi.txt | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/spi/sh-hspi.txt b/Documentation/devicetree/bindings/spi/sh-hspi.txt index 30b57b1c8a13..319bad4af875 100644 --- a/Documentation/devicetree/bindings/spi/sh-hspi.txt +++ b/Documentation/devicetree/bindings/spi/sh-hspi.txt @@ -1,7 +1,29 @@ Renesas HSPI. Required properties: -- compatible : "renesas,hspi" -- reg : Offset and length of the register set for the device -- interrupts : interrupt line used by HSPI +- compatible : "renesas,hspi-<soctype>", "renesas,hspi" as fallback. + Examples with soctypes are: + - "renesas,hspi-r8a7778" (R-Car M1) + - "renesas,hspi-r8a7779" (R-Car H1) +- 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 +- interrupts : Interrupt specifier +- #address-cells : Must be <1> +- #size-cells : Must be <0> + +Pinctrl properties might be needed, too. See +Documentation/devicetree/bindings/pinctrl/renesas,*. + +Example: + + hspi0: spi@fffc7000 { + compatible = "renesas,hspi-r8a7778", "renesas,hspi"; + reg = <0xfffc7000 0x18>; + interrupt-parent = <&gic>; + interrupts = <0 63 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; |