linux-kernel - [PATCH v2 08/17] dt-bindings: soc/microchip: add bindings for mpfs system services

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Message-ID: <20211217093325.30612-9-conor.dooley@microchip.com>
Date:   Fri, 17 Dec 2021 09:33:16 +0000
From:   <conor.dooley@...rochip.com>
To:     <linus.walleij@...aro.org>, <bgolaszewski@...libre.com>,
        <robh+dt@...nel.org>, <jassisinghbrar@...il.com>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...tlin.com>, <broonie@...nel.org>,
        <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
        <u.kleine-koenig@...gutronix.de>, <lee.jones@...aro.org>,
        <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <linux-pwm@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-crypto@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <linux-spi@...r.kernel.org>, <linux-usb@...r.kernel.org>
CC:     <krzysztof.kozlowski@...onical.com>, <geert@...ux-m68k.org>,
        <bin.meng@...driver.com>, <heiko@...ech.de>,
        <lewis.hanly@...rochip.com>, <conor.dooley@...rochip.com>,
        <daire.mcnamara@...rochip.com>, <ivan.griffin@...rochip.com>,
        <atish.patra@....com>
Subject: [PATCH v2 08/17] dt-bindings: soc/microchip: add bindings for mpfs system services

From: Conor Dooley <conor.dooley@...rochip.com>

Add device tree bindings for the services provided by the system
controller directly on the Microchip PolarFire SoC.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 .../microchip,mpfs-generic-service.yaml       | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-generic-service.yaml

diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-generic-service.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-generic-service.yaml
new file mode 100644
index 000000000000..d044525b3487
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-generic-service.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/soc/microchip/microchip,mpfs-generic-service.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Microchip MPFS system services
+
+maintainers:
+  - Conor Dooley <conor.dooley@...rochip.com>
+
+description: |
+  The PolarFire SoC system controller is communicated with via a mailbox.
+  This binding represents several of the functions provided by the system
+  controller which do not belong in a specific subsystem, such as reading
+  the fpga device certificate, all of which follow the same format:
+    - a command + optional payload sent to the sys controller
+    - a status + a payload returned to Linux.
+
+properties:
+  compatible:
+    const: microchip,mpfs-generic-service
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    sysserv: sysserv {
+        compatible = "microchip,mpfs-generic-service";
+    };
-- 
2.33.1