| Message ID | 1513682145-19892-2-git-send-email-zhongkaihua@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Dec 19, 2017 at 07:15:43PM +0800, Kaihua Zhong wrote: > From: Leo Yan <leo.yan@linaro.org> > > Introduce a binding for the Hi3660 mailbox controller, the mailbox is > used within application processor (AP), communication processor (CP), > HIFI and MCU, etc. > > Signed-off-by: Leo Yan <leo.yan@linaro.org> > --- > .../bindings/mailbox/hisilicon,hi3660-mailbox.txt | 51 ++++++++++++++++++++++ > 1 file changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt Please add acks when posting new versions.
On Tue, Dec 19, 2017 at 05:30:38PM -0600, Rob Herring wrote: > On Tue, Dec 19, 2017 at 07:15:43PM +0800, Kaihua Zhong wrote: > > From: Leo Yan <leo.yan@linaro.org> > > > > Introduce a binding for the Hi3660 mailbox controller, the mailbox is > > used within application processor (AP), communication processor (CP), > > HIFI and MCU, etc. > > > > Signed-off-by: Leo Yan <leo.yan@linaro.org> > > --- > > .../bindings/mailbox/hisilicon,hi3660-mailbox.txt | 51 ++++++++++++++++++++++ > > 1 file changed, 51 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt > > Please add acks when posting new versions. Thanks, Rob. This is my bad :) and will add acks in later version. Thanks, Leo Yan
diff --git a/Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt b/Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt new file mode 100644 index 0000000..3e5b453 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/hisilicon,hi3660-mailbox.txt @@ -0,0 +1,51 @@ +Hisilicon Hi3660 Mailbox Controller + +Hisilicon Hi3660 mailbox controller supports up to 32 channels. Messages +are passed between processors, including application & communication +processors, MCU, HIFI, etc. Each channel is unidirectional and accessed +by using MMIO registers; it supports maximum to 8 words message. + +Controller +---------- + +Required properties: +- compatible: : Shall be "hisilicon,hi3660-mbox" +- reg: : Offset and length of the device's register set +- #mbox-cells: : Must be 3 + <&phandle channel dst_irq ack_irq> + phandle : Label name of controller + channel : Channel number + dst_irq : Remote interrupt vector + ack_irq : Local interrupt vector + +- interrupts: : Contains the two IRQ lines for mailbox. + +Example: + +mailbox: mailbox@e896b000 { + compatible = "hisilicon,hi3660-mbox"; + reg = <0x0 0xe896b000 0x0 0x1000>; + interrupts = <0x0 0xc0 0x4>, + <0x0 0xc1 0x4>; + #mbox-cells = <3>; +}; + +Client +------ + +Required properties: +- compatible : See the client docs +- mboxes : Standard property to specify a Mailbox (See ./mailbox.txt) + Cells must match 'mbox-cells' (See Controller docs above) + +Optional properties +- mbox-names : Name given to channels seen in the 'mboxes' property. + +Example: + +stub_clock: stub_clock@e896b500 { + compatible = "hisilicon,hi3660-stub-clk"; + reg = <0x0 0xe896b500 0x0 0x0100>; + #clock-cells = <1>; + mboxes = <&mailbox 13 3 0>; +};