From a7065bc37b6764df681d12b1059415a0a262c4e0 Mon Sep 17 00:00:00 2001 From: Caesar Wang Date: Tue, 27 Oct 2015 15:31:44 +0800 Subject: [PATCH] dt-bindings: rockchip-mailbox: Add mailbox controller document on Rockchip SoCs This add the necessary binding documentation for mailbox found on RK3368 SoC. Signed-off-by: Caesar Wang Acked-by: Rob Herring Signed-off-by: Jassi Brar --- .../bindings/mailbox/rockchip-mailbox.txt | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt diff --git a/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt new file mode 100644 index 000000000000..b6bb84acf5be --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt @@ -0,0 +1,32 @@ +Rockchip mailbox + +The Rockchip mailbox is used by the Rockchip CPU cores to communicate +requests to MCU processor. + +Refer to ./mailbox.txt for generic information about mailbox device-tree +bindings. + +Required properties: + + - compatible: should be one of the following. + - "rockchip,rk3368-mbox" for rk3368 + - reg: physical base address of the controller and length of memory mapped + region. + - interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. + - #mbox-cells: Common mailbox binding property to identify the number + of cells required for the mailbox specifier. Should be 1 + +Example: +-------- + +/* RK3368 */ +mbox: mbox@ff6b0000 { + compatible = "rockchip,rk3368-mailbox"; + reg = <0x0 0xff6b0000 0x0 0x1000>, + interrupts = , + , + , + ; + #mbox-cells = <1>; +}; -- 2.39.5