From 0434cd276e7265d6db2bc389a021b795ec16fa69 Mon Sep 17 00:00:00 2001
From: Rahul Tanwar <rahul.tanwar@linux.intel.com>
Date: Wed, 18 Dec 2019 14:20:24 +0800
Subject: dt-bindings: pinctrl: intel: Update to use generic bindings

Kernel 5.5 adds generic pin mux & cfg node schema. Update pinctrl bindings
for LGM to use these newly added schemas. Also, rename filename to match
the compatible string.

Signed-off-by: Rahul Tanwar <rahul.tanwar@linux.intel.com>
Link: https://lore.kernel.org/r/20191218062024.25475-1-rahul.tanwar@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 .../devicetree/bindings/pinctrl/intel,lgm-io.yaml  | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml

(limited to 'Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml')

diff --git a/Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml b/Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml
new file mode 100644
index 000000000000..a386fb520510
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/intel,lgm-io.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/pinctrl/intel,lgm-io.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Lightning Mountain SoC pinmux & GPIO controller binding
+
+maintainers:
+  - Rahul Tanwar <rahul.tanwar@linux.intel.com>
+
+description: |
+  Pinmux & GPIO controller controls pin multiplexing & configuration including
+  GPIO function selection & GPIO attributes configuration.
+
+allOf:
+  - $ref: pincfg-node.yaml#
+  - $ref: pinmux-node.yaml#
+
+properties:
+  compatible:
+    const: intel,lgm-io
+
+  reg:
+    maxItems: 1
+
+# Client device subnode's properties
+patternProperties:
+  '-pins$':
+    type: object
+    description:
+      Pinctrl node's client devices use subnodes for desired pin configuration.
+      Client device subnodes use below standard properties.
+
+    properties:
+      function: true
+      group: true
+      pins: true
+      pinmux: true
+      bias-pull-up: true
+      bias-pull-down: true
+      drive-strength: true
+      slew-rate: true
+      drive-open-drain: true
+      output-enable: true
+
+    required:
+      - function
+      - group
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  # Pinmux controller node
+  - |
+    pinctrl: pinctrl@e2880000 {
+        compatible = "intel,lgm-io";
+        reg = <0xe2880000 0x100000>;
+
+        uart0-pins {
+             pins = <64>, /* UART_RX0 */
+                    <65>; /* UART_TX0 */
+             function = "CONSOLE_UART0";
+             pinmux = <1>,
+                      <1>;
+             groups = "CONSOLE_UART0";
+          };
+    };
+
+...
-- 
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