Adding upstream version 5.10.209.upstream/5.10.209upstream

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

1 files changed, 99 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
new file mode 100644
index 000000000..667dedefd
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 BayLibre, SAS
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/spi/amlogic,meson-gx-spicc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson SPI Communication Controller
+
+maintainers:
+  - Neil Armstrong <narmstrong@baylibre.com>
+
+allOf:
+  - $ref: "spi-controller.yaml#"
+
+description: |
+  The Meson SPICC is a generic SPI controller for general purpose Full-Duplex
+  communications with dedicated 16 words RX/TX PIO FIFOs.
+
+properties:
+  compatible:
+    enum:
+      - amlogic,meson-gx-spicc # SPICC controller on Amlogic GX and compatible SoCs
+      - amlogic,meson-axg-spicc # SPICC controller on Amlogic AXG and compatible SoCs
+      - amlogic,meson-g12a-spicc # SPICC controller on Amlogic G12A and compatible SoCs
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+    items:
+      - description: controller register bus clock
+      - description: baud rate generator and delay control clock
+
+  clock-names:
+    minItems: 1
+    maxItems: 2
+
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - amlogic,meson-g12a-spicc
+
+then:
+  properties:
+    clocks:
+      minItems: 2
+
+    clock-names:
+      items:
+        - const: core
+        - const: pclk
+
+else:
+  properties:
+    clocks:
+      maxItems: 1
+
+    clock-names:
+      items:
+        - const: core
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi@c1108d80 {
+          compatible = "amlogic,meson-gx-spicc";
+          reg = <0xc1108d80 0x80>;
+          interrupts = <112>;
+          clocks = <&clk81>;
+          clock-names = "core";
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          ethernet-switch@0 {
+              compatible = "micrel,ks8995m";
+              spi-max-frequency = <1000000>;
+              reg = <0>;
+          };
+    };
+