Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 56 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml
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+++ b/Documentation/devicetree/bindings/reset/amlogic,meson-axg-audio-arb.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 BayLibre, SAS
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/amlogic,meson-axg-audio-arb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic audio memory arbiter controller
+
+maintainers:
+  - Jerome Brunet <jbrunet@baylibre.com>
+
+description: The Amlogic Audio ARB is a simple device which enables or disables
+  the access of Audio FIFOs to DDR on AXG based SoC.
+
+properties:
+  compatible:
+    enum:
+      - amlogic,meson-axg-audio-arb
+      - amlogic,meson-sm1-audio-arb
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description: |
+      phandle to the fifo peripheral clock provided by the audio clock
+      controller.
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    // on the A113 SoC:
+    #include <dt-bindings/clock/axg-audio-clkc.h>
+    bus {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        arb: reset-controller@280 {
+            compatible = "amlogic,meson-axg-audio-arb";
+            reg = <0x0 0x280 0x0 0x4>;
+            #reset-cells = <1>;
+            clocks = <&clkc_audio AUD_CLKID_DDR_ARB>;
+        };
+    };