Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml b/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml
new file mode 100644
index 000000000..c8577bdf6
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/google,cros-ec-pwm.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/google,cros-ec-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: PWM controlled by ChromeOS EC
+
+maintainers:
+  - Thierry Reding <thierry.reding@gmail.com>
+  - '"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>'
+
+description: |
+  Google's ChromeOS EC PWM is a simple PWM attached to the Embedded Controller
+  (EC) and controlled via a host-command interface.
+  An EC PWM node should be only found as a sub-node of the EC node (see
+  Documentation/devicetree/bindings/mfd/google,cros-ec.yaml).
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - description: PWM controlled using EC_PWM_TYPE_GENERIC channels.
+        items:
+          - const: google,cros-ec-pwm
+      - description: PWM controlled using CROS_EC_PWM_DT_<...> types.
+        items:
+          - const: google,cros-ec-pwm-type
+
+  "#pwm-cells":
+    description: The cell specifies the PWM index.
+    const: 1
+
+required:
+  - compatible
+  - '#pwm-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        cros-ec@0 {
+            compatible = "google,cros-ec-spi";
+            reg = <0>;
+
+            cros_ec_pwm: pwm {
+                compatible = "google,cros-ec-pwm";
+                #pwm-cells = <1>;
+            };
+        };
+    };