RE: [PATCH 1/2] dt-bindings: soc: Add ZynqMP PM bindings
From: Jolly Shah <hidden>
Date: 2018-03-07 22:55:17
Also in:
linux-arm-kernel, lkml
Hi Rob, Thanks for the review,
-----Original Message----- From: Rob Herring [mailto:robh@kernel.org] Sent: Monday, March 05, 2018 2:33 PM To: Jolly Shah <redacted> Cc: matthias.bgg@gmail.com; andy.gross@linaro.org; shawnguo@kernel.org; geert+renesas@glider.be; bjorn.andersson@linaro.org; sean.wang@mediatek.com; m.szyprowski@samsung.com; michal.simek@xilinx.com; mark.rutland@arm.com; Rajan Vaja [off-list ref]; devicetree@vger.kernel.org; linux-arm- kernel@lists.infradead.org; linux-kernel@vger.kernel.org; Jolly Shah [off-list ref] Subject: Re: [PATCH 1/2] dt-bindings: soc: Add ZynqMP PM bindings On Tue, Feb 27, 2018 at 03:24:25PM -0800, Jolly Shah wrote:quoted
Add documentation to describe Xilinx ZynqMP power management bindings. Signed-off-by: Jolly Shah <redacted> Signed-off-by: Rajan Vaja <redacted> --- .../bindings/soc/xilinx/xlnx,zynqmp-power.txt | 28++++++++++++++++++++++quoted
1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt diff --git a/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.txt new file mode 100644 index 0000000..5b7d963--- /dev/null +++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,zynqmp-power.t +++ xt@@ -0,0 +1,28 @@ +Xilinx Zynq MPSoC Power Management Device Tree Bindings + +The zynqmp-power node describes the power management configurations.That really tells me nothing. What aspect of power management does this interface control?
It controls remote suspend/shutdown interfaces. Will add details in next version.
quoted
+ +Required properties: + - compatible : Must contain: "xlnx,zynqmp-power" + - 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.No need to define a standard property here. Just need to say how many entries and refer to the common binding.
Ok. Will update same in next version.
quoted
+ +Examples: + zynqmp_power: zynqmp-power { + compatible = "xlnx,zynqmp-power"; + mboxes = <&ipi_mailbox_pmu0 0>, + <&ipi_mailbox_pmu0 1>; + mbox-names = "tx", "rx"; + }; -- 2.7.4