Re: [PATCH v5 07/15] dt-bindings: reset: amd,pensando-elbasr-reset: Add AMD Pensando SR Reset Controller bindings
From: Rob Herring <robh@kernel.org>
Date: 2022-06-14 21:32:20
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linux-devicetree, linux-mmc, lkml
On Mon, Jun 13, 2022 at 12:56:50PM -0700, Brad Larson wrote:
quoted hunk ↗ jump to hunk
From: Brad Larson <blarson@amd.com> Document bindings for AMD Pensando Elba SR Reset Controller Signed-off-by: Brad Larson <blarson@amd.com> --- .../reset/amd,pensando-elbasr-reset.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yamldiff --git a/Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml b/Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml new file mode 100644 index 000000000000..03bb86ebcfd3 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml@@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/amd,pensando-elbasr-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AMD Pensando Elba SoC Reset Controller Device Tree Bindings + +maintainers: + - Brad Larson <blarson@amd.com> + +description: | + AMD Pensando Elba SoC reset controller driver which supports a resource + controller connected to the Elba SoC over a SPI bus. The Elba reset + controller must be defined as a child node of the Elba SPI bus + chip-select 0 node. + + See also: + - dt-bindings/reset/amd,pensando-elba-reset.h + +properties: + $nodename: + pattern: "^reset-controller@[0-9a-f]+$" + + compatible: + const: amd,pensando-elbasr-reset + + reg: + const: 0 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - '#reset-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/reset/amd,pensando-elba-reset.h> + spi0 { + #address-cells = <1>; + #size-cells = <0>; + num-cs = <4>; + + spi@0 {
'spi' is reserved for SPI buses. I thought this was an MFD.
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rstc: reset-controller@0 {
+ compatible = "amd,pensando-elbasr-reset";
+ reg = <0>;
+ #reset-cells = <1>;
+ };
+ };
+ };
+
+...
--
2.17.1
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