Re: [PATCH v4 1/9] dt-bindings: mfd: Add TI-Nspire misc registers
From: Rob Herring <robh@kernel.org>
Date: 2022-11-02 17:36:03
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linux-devicetree, lkml
On Tue, Nov 01, 2022 at 04:57:56PM -0500, Andrew Davis wrote:
quoted hunk ↗ jump to hunk
The TI Nspire devices contain a set of registers with a seemingly miscellaneous set of functionality. This area is known simply as the "misc" region. Signed-off-by: Andrew Davis <redacted> --- .../bindings/mfd/ti,nspire-misc.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/ti,nspire-misc.yamldiff --git a/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml b/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml new file mode 100644 index 0000000000000..d409eae7537bd --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ti,nspire-misc.yaml@@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ti,nspire-misc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI Nspire MISC hardware block + +maintainers: + - Andrew Davis <afd@ti.com> + +description: | + System controller node represents a register region containing a set + of miscellaneous registers. The registers are not cohesive enough to + represent as any specific type of device. The typical use-case is + for some other node's driver, or platform-specific code, to acquire + a reference to the syscon node (e.g. by phandle, node path, or + search using a specific compatible value), interrogate the node (or + associated OS driver) to determine the location of the registers, + and access the registers directly.
Looks like you copied the generic description? Describe what MISC contains.
+ +properties: + compatible: + items: + - enum: + - ti,nspire-misc + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + reboot: + $ref: "../power/reset/syscon-reboot.yaml"
/schemas/power/... And no quotes needed.
+
+required:
+ - compatible
+ - reg
+ - reboot
+
+additionalProperties: false
+
+examples:
+ - |
+ misc: misc@900a0000 {
+ compatible = "ti,nspire-misc", "syscon", "simple-mfd";
+ reg = <0x900a0000 0x1000>;
+
+ reboot {
+ compatible = "syscon-reboot";
+ offset = <0x08>;
+ value = <0x02>;
+ };
+ };
--
2.37.3
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