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From:   Daniel Kestrel <kestrelseventyfour@gmail.com>
Cc:     Bjorn Andersson <bjorn.andersson@linaro.org>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Daniel Kestrel <kestrelseventyfour@gmail.com>,
        linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/3] dt-bindings: remoteproc: Add AVM WASP
Date:   Sun, 27 Feb 2022 12:58:31 +0100
Message-Id: <20220227115832.13490-3-kestrelseventyfour@gmail.com>
In-Reply-To: <20220227115832.13490-1-kestrelseventyfour@gmail.com>
References: <20220227115832.13490-1-kestrelseventyfour@gmail.com>
To:     unlisted-recipients:; (no To-header on input)
Precedence: bulk

AVM Fritzbox router boards may contain an additional ATH79
based SoC that has the wifi cards connected.
This patch adds bindings for this remote processor.

Signed-off-by: Daniel Kestrel <kestrelseventyfour@gmail.com>
---
 .../bindings/remoteproc/avm,wasp-rproc.yaml   | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml

diff --git a/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml
new file mode 100644
index 000000000000..8b39fafc60aa
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/avm,wasp-rproc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AVM WASP processor controller bindings
+
+maintainers:
+  - Daniel Kestrel <kestrelseventyfour@gmail.com>
+
+description: |
+  This document defines the bindings for the remoteproc component that loads and
+  boots firmwares on the AVM Wireless Assistent Support Processor (WASP) SoC
+  that is attached to some AVM Fritzbox devices (3390, 3490, 5490, 5491, 7490).
+
+properties:
+  compatible:
+    enum:
+      - avm,fritzbox3390-wasp
+      - avm,fritzboxx490-wasp
+
+  avm,wasp-mdio:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Lantiq GSWIP switch mdio.
+
+  avm,wasp-port:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Network port, where the WASP SoC is connected to.
+
+  avm,reset-gpios:
+    description: Reset gpio of the WASP SoC.
+
+  avm,startup-gpios:
+    description: Startup gpio of the WASP SoC.
+
+required:
+  - compatible
+  - avm,wasp-mdio
+  - avm,wasp-port
+  - avm,reset-gpios
+  - avm,startup-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    remoteproc {
+        compatible = "avm,fritzboxx490-wasp";
+        avm,wasp-mdio = <&gswip_mdio>;
+        avm,wasp-port = <&port5>;
+        avm,reset-gpios = <&gpio 34 GPIO_ACTIVE_HIGH>;
+        avm,startup-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+    };
-- 
2.17.1