linux-kernel - [PATCH v6 07/17] dt-bindings: reset: amd,pensando-elbasr-reset: Add AMD Pensando SR Reset Controller bindings

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Message-Id: <20220820195750.70861-8-brad@pensando.io>
Date:   Sat, 20 Aug 2022 12:57:40 -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 v6 07/17] 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      | 57 +++++++++++++++++++
 1 file changed, 57 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..0fdc6cc5ecdd
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/amd,pensando-elbasr-reset.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only 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
+
+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.
+
+properties:
+  compatible:
+    const: amd,pensando-elbasr-reset
+
+  reg:
+    const: 0
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        num-cs = <4>;
+
+        spi@0 {
+            compatible = "amd,pensando-elbasr";
+            reg = <0>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+            spi-max-frequency = <12000000>;
+
+            rstc: reset-controller@0 {
+                compatible = "amd,pensando-elbasr-reset";
+                reg = <0>;
+                #reset-cells = <1>;
+            };
+        };
+    };
+
+...
-- 
2.17.1