linux-kernel - [PATCH v5 07/15] dt-bindings: reset: amd,pensando-elbasr-reset: Add AMD Pensando SR Reset Controller bindings

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Date:   Mon, 13 Jun 2022 12:56:50 -0700
From:   Brad Larson <brad@...sando.io>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
        adrian.hunter@...el.com, alcooperx@...il.com,
        andy.shevchenko@...il.com, arnd@...db.de, brad@...sando.io,
        blarson@....com, brijeshkumar.singh@....com,
        catalin.marinas@....com, gsomlo@...il.com, gerg@...ux-m68k.org,
        krzk@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        lee.jones@...aro.org, broonie@...nel.org,
        yamada.masahiro@...ionext.com, p.zabel@...gutronix.de,
        piotrs@...ence.com, p.yadav@...com, rdunlap@...radead.org,
        robh+dt@...nel.org, samuel@...lland.org, fancer.lancer@...il.com,
        suravee.suthikulpanit@....com, thomas.lendacky@....com,
        ulf.hansson@...aro.org, will@...nel.org, devicetree@...r.kernel.org
Subject: [PATCH v5 07/15] dt-bindings: reset: amd,pensando-elbasr-reset: Add AMD Pensando SR Reset Controller bindings

From: Brad Larson <blarson@....com>

Document bindings for AMD Pensando Elba SR Reset Controller

Signed-off-by: Brad Larson <blarson@....com>
---
 .../reset/amd,pensando-elbasr-reset.yaml      | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml

diff --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@....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 {
+          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