linux-kernel - [PATCH v4 1/2] Add DT bindings schema for PVT controller

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Message-Id: <b540b49ca47d75c5f716f8a4e4eed0664a1116bf.1601621983.git.rahul.tanwar@linux.intel.com>
Date:   Fri,  2 Oct 2020 15:04:26 +0800
From:   Rahul Tanwar <rahul.tanwar@...ux.intel.com>
To:     jdelvare@...e.com, linux@...ck-us.net, p.zabel@...gutronix.de,
        linux-hwmon@...r.kernel.org, robh+dt@...nel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        andriy.shevchenko@...el.com, songjun.Wu@...el.com,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com,
        rtanwar@...linear.com, Rahul Tanwar <rahul.tanwar@...ux.intel.com>
Subject: [PATCH v4 1/2] Add DT bindings schema for PVT controller

PVT controller (MR75203) is used to configure & control
Moortec embedded analog IP which contains temprature sensor(TS),
voltage monitor(VM) & process detector(PD) modules.

Add DT bindings schema for PVT controller.

Signed-off-by: Rahul Tanwar <rahul.tanwar@...ux.intel.com>
---
 .../devicetree/bindings/hwmon/moortec,mr75203.yaml | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml
new file mode 100644
index 000000000000..6f3e3c01f717
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/moortec,mr75203.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Moortec Semiconductor MR75203 PVT Controller bindings
+
+maintainers:
+  - Rahul Tanwar <rtanwar@...linear.com>
+
+properties:
+  compatible:
+    const: moortec,mr75203
+
+  reg:
+    items:
+      - description: PVT common registers
+      - description: PVT temprature sensor registers
+      - description: PVT process detector registers
+      - description: PVT voltage monitor registers
+
+  reg-names:
+    items:
+      - const: common
+      - const: ts
+      - const: pd
+      - const: vm
+
+  intel,vm-map:
+    description:
+      PVT controller has 5 VM (voltage monitor) sensors.
+      vm-map defines CPU core to VM instance mapping. A
+      value of 0xff means that VM sensor is unused.
+    $ref: /schemas/types.yaml#definitions/uint8-array
+    maxItems: 5
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  "#thermal-sensor-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - intel,vm-map
+  - clocks
+  - resets
+  - "#thermal-sensor-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    pvt: pvt@...80000 {
+        compatible = "moortec,mr75203";
+        reg = <0xe0680000 0x80>,
+              <0xe0680080 0x180>,
+              <0xe0680200 0x200>,
+              <0xe0680400 0xc00>;
+        reg-names = "common", "ts", "pd", "vm";
+        intel,vm-map = [03 01 04 ff ff];
+        clocks = <&osc0>;
+        resets = <&rcu0 0x40 7>;
+        #thermal-sensor-cells = <1>;
+    };
-- 
2.11.0