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Message-Id: <20210715095627.228176-1-iwamatsu@nigauri.org>
Date: Thu, 15 Jul 2021 18:56:27 +0900
From: Nobuhiro Iwamatsu <iwamatsu@...auri.org>
To: robh+dt@...nel.org, gregkh@...uxfoundation.org,
michal.simek@...inx.com
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, rajan.vaja@...inx.com,
jolly.shah@...inx.com, Nobuhiro Iwamatsu <iwamatsu@...auri.org>
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 <iwamatsu@...auri.org>
---
.../power/reset/xlnx,zynqmp-power.txt | 61 --------------
.../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 bb529ecf8a5768..00000000000000
--- 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 00000000000000..68d7c14a716388
--- /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 <michal.simek@...inx.com>
+
+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";
+ };
+ };
+ };
+...
--
2.32.0
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