Adding upstream version 6.1.76.upstream/6.1.76upstream

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

1 files changed, 120 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/serial/8250_omap.yaml b/Documentation/devicetree/bindings/serial/8250_omap.yaml
new file mode 100644
index 000000000..7b34ec8fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/8250_omap.yaml
@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/8250_omap.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for 8250 compliant UARTs on TI's OMAP2+ and K3 SoCs
+
+maintainers:
+  - Vignesh Raghavendra <vigneshr@ti.com>
+
+allOf:
+  - $ref: /schemas/serial/serial.yaml#
+  - $ref: /schemas/serial/rs485.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - ti,am3352-uart
+          - ti,am4372-uart
+          - ti,am654-uart
+          - ti,dra742-uart
+          - ti,omap2-uart
+          - ti,omap3-uart
+          - ti,omap4-uart
+      - items:
+          - enum:
+              - ti,am64-uart
+              - ti,j721e-uart
+          - const: ti,am654-uart
+
+  ti,hwmods:
+    description:
+      Must be "uart<n>", n being the instance number (1-based)
+      This property is applicable only on legacy platforms mainly omap2/3
+      and ti81xx and should not be used on other platforms.
+    $ref: /schemas/types.yaml#/definitions/string
+    deprecated: true
+
+  dmas:
+    minItems: 1
+    maxItems: 2
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+    description:
+      First entry is module IRQ required for normal IO operation.
+      Second entry is optional and corresponds to system wakeup IRQ
+      where supported.
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: fclk
+
+  rts-gpios: true
+  cts-gpios: true
+  dtr-gpios: true
+  dsr-gpios: true
+  rng-gpios: true
+  dcd-gpios: true
+  rs485-rts-delay: true
+  rs485-rts-active-low: true
+  rs485-rx-during-tx: true
+  rs485-rts-active-high: true
+  linux,rs485-enabled-at-boot-time: true
+  rts-gpio: true
+  power-domains: true
+  clock-frequency: true
+  current-speed: true
+  overrun-throttle-ms: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - ti,omap2-uart
+          - ti,omap3-uart
+          - ti,omap4-uart
+
+then:
+  properties:
+    ti,hwmods:
+      items:
+        - pattern: "^uart([1-9])$"
+
+else:
+  properties:
+    ti,hwmods: false
+
+examples:
+  - |
+          serial@49042000 {
+            compatible = "ti,omap3-uart";
+            reg = <0x49042000 0x400>;
+            interrupts = <80>;
+            dmas = <&sdma 81 &sdma 82>;
+            dma-names = "tx", "rx";
+            ti,hwmods = "uart4";
+            clock-frequency = <48000000>;
+          };