From 7ee9e21c9f28106ad236c66816759047981b6527 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Thu, 15 Jul 2021 18:56:27 +0900 Subject: [PATCH] dt-bindings: power: reset: convert Xilinx Zynq MPSoC bindings to YAML Convert power managemnet for Xilinx Zynq MPSoC bindings documentation to YAML. Signed-off-by: Nobuhiro Iwamatsu Link: https://lore.kernel.org/r/20210715095627.228176-1-iwamatsu@nigauri.org Signed-off-by: Rob Herring --- .../bindings/power/reset/xlnx,zynqmp-power.txt | 61 ---------------- .../bindings/power/reset/xlnx,zynqmp-power.yaml | 83 ++++++++++++++++++++++ 2 files changed, 83 insertions(+), 61 deletions(-) delete mode 100644 Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt create mode 100644 Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.yaml diff --git a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt deleted file mode 100644 index bb529ec..0000000 --- a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.txt +++ /dev/null @@ -1,61 +0,0 @@ --------------------------------------------------------------------- -Device Tree Bindings for the Xilinx Zynq MPSoC Power Management --------------------------------------------------------------------- -The zynqmp-power node describes the power management configurations. -It will control remote suspend/shutdown interfaces. - -Required properties: - - compatible: Must contain: "xlnx,zynqmp-power" - - interrupts: Interrupt specifier - -Optional properties: - - mbox-names : Name given to channels seen in the 'mboxes' property. - "tx" - Mailbox corresponding to transmit path - "rx" - Mailbox corresponding to receive 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 { - compatible = "xlnx,zynqmp-firmware"; - method = "smc"; - - zynqmp_power: zynqmp-power { - compatible = "xlnx,zynqmp-power"; - interrupts = <0 35 4>; - }; - }; -}; - -Example with IPI mailbox method: - -firmware { - zynqmp_firmware: zynqmp-firmware { - compatible = "xlnx,zynqmp-firmware"; - method = "smc"; - - zynqmp_power: zynqmp-power { - compatible = "xlnx,zynqmp-power"; - interrupt-parent = <&gic>; - interrupts = <0 35 4>; - mboxes = <&ipi_mailbox_pmu0 0>, - <&ipi_mailbox_pmu0 1>; - mbox-names = "tx", "rx"; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.yaml b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.yaml new file mode 100644 index 0000000..68d7c14 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/xlnx,zynqmp-power.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/xlnx,zynqmp-power.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Zynq MPSoC Power Management Device Tree Bindings + +maintainers: + - Michal Simek + +description: | + The zynqmp-power node describes the power management configurations. + It will control remote suspend/shutdown interfaces. + +properties: + compatible: + const: "xlnx,zynqmp-power" + + interrupts: + maxItems: 1 + + mboxes: + description: | + 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. + items: + - description: tx channel + - description: rx channel + + mbox-names: + description: + Name given to channels seen in the 'mboxes' property. + items: + - const: tx + - const: rx + +required: + - compatible + - interrupts + +additionalProperties: false + +examples: + - |+ + + // Example with interrupt method: + + firmware { + zynqmp-firmware { + zynqmp-power { + compatible = "xlnx,zynqmp-power"; + interrupts = <0 35 4>; + }; + }; + }; + + - |+ + + // Example with IPI mailbox method: + + firmware { + zynqmp-firmware { + zynqmp-power { + compatible = "xlnx,zynqmp-power"; + interrupt-parent = <&gic>; + interrupts = <0 35 4>; + mboxes = <&ipi_mailbox_pmu1 0>, + <&ipi_mailbox_pmu1 1>; + mbox-names = "tx", "rx"; + }; + }; + }; +... -- 2.7.4