| Message ID | 1573564851-9275-2-git-send-email-rajan.vaja@xilinx.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drivers: soc: xilinx: Add support for init suspend | expand |
On Tue, Nov 12, 2019 at 05:20:50AM -0800, Rajan Vaja wrote: > Add IPI mailbox property and its example in xilinx zynqmp-power > documentation. > > Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> > --- > .../bindings/power/reset/xlnx,zynqmp-power.txt | 41 ++++++++++++++++++++-- > 1 file changed, 38 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt > index d366f1e..450f3a4 100644 > --- a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt > +++ b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt > @@ -8,9 +8,27 @@ Required properties: > - compatible: Must contain: "xlnx,zynqmp-power" > - interrupts: Interrupt specifier > > -------- > -Example > -------- > +Optional properties: > + - mbox-names : Name given to channels seen in the 'mboxes' property. > + "rx" - Mailbox corresponding to receive path > + "tx" - Mailbox corresponding to transmit path The order here doesn't match the example. The order should be defined. > + - mboxes : Standard property to specify a Mailbox. Each value of > + the mboxes property should contain a phandle to the > + mailbox controller device node and an args specifier > + that will be the phandle to the intended sub-mailbox > + child node to be used for communication. See > + Documentation/devicetree/bindings/mailbox/mailbox.txt > + for more details about the generic mailbox controller > + and client driver bindings. Also see > + Documentation/devicetree/bindings/mailbox/ \ > + xlnx,zynqmp-ipi-mailbox.txt for typical controller that > + is used to communicate with this System controllers. > + > +-------- > +Examples > +-------- > + > +Example with interrupt method: > > firmware { > zynqmp_firmware: zynqmp-firmware { > @@ -23,3 +41,20 @@ firmware { > }; > }; > }; > + > +Example with IPI mailbox method: > + > +firmware { > + > + zynqmp_firmware: zynqmp-firmware { > + compatible = "xlnx,zynqmp-firmware"; > + method = "smc"; > + > + zynqmp_power: zynqmp-power { > + compatible = "xlnx,zynqmp-power"; > + mboxes = <&ipi_mailbox_pmu0 0>, > + <&ipi_mailbox_pmu0 1>; > + mbox-names = "tx", "rx"; interrupts is required. > + }; > + }; > +}; > -- > 2.7.4 >
diff --git a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt index d366f1e..450f3a4 100644 --- a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt +++ b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt @@ -8,9 +8,27 @@ Required properties: - compatible: Must contain: "xlnx,zynqmp-power" - interrupts: Interrupt specifier -------- -Example -------- +Optional properties: + - mbox-names : Name given to channels seen in the 'mboxes' property. + "rx" - Mailbox corresponding to receive path + "tx" - Mailbox corresponding to transmit path + - mboxes : Standard property to specify a Mailbox. Each value of + the mboxes property should contain a phandle to the + mailbox controller device node and an args specifier + that will be the phandle to the intended sub-mailbox + child node to be used for communication. See + Documentation/devicetree/bindings/mailbox/mailbox.txt + for more details about the generic mailbox controller + and client driver bindings. Also see + Documentation/devicetree/bindings/mailbox/ \ + xlnx,zynqmp-ipi-mailbox.txt for typical controller that + is used to communicate with this System controllers. + +-------- +Examples +-------- + +Example with interrupt method: firmware { zynqmp_firmware: zynqmp-firmware { @@ -23,3 +41,20 @@ firmware { }; }; }; + +Example with IPI mailbox method: + +firmware { + + zynqmp_firmware: zynqmp-firmware { + compatible = "xlnx,zynqmp-firmware"; + method = "smc"; + + zynqmp_power: zynqmp-power { + compatible = "xlnx,zynqmp-power"; + mboxes = <&ipi_mailbox_pmu0 0>, + <&ipi_mailbox_pmu0 1>; + mbox-names = "tx", "rx"; + }; + }; +};
Add IPI mailbox property and its example in xilinx zynqmp-power documentation. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> --- .../bindings/power/reset/xlnx,zynqmp-power.txt | 41 ++++++++++++++++++++-- 1 file changed, 38 insertions(+), 3 deletions(-)