From c3003ce144fe0279e4299030b1cfad6f4b39116a Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 11 Mar 2014 10:40:51 +0100 Subject: spi: sh-spi: Improve bindings - Add future-proof "renesas,hspi-" 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 Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/spi/sh-hspi.txt | 28 ++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/spi/sh-hspi.txt b/Documentation/devicetree/bindings/spi/sh-hspi.txt index 30b57b1c8a1..319bad4af87 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-", "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"; + }; -- cgit v1.2.3-70-g09d2