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Subject[PATCH v2 1/2] media: rc: meson-irblaster: document device tree bindings
Date
This patch adds binding documentation for the IR transmitter
available in Amlogic Meson SoCs.

Signed-off-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
---
changes in v2:
- compatible = "amlogic,meson-g12a-irblaster" added
- clocks, clock-names and mod-clock updated

.../media/amlogic,meson-irblaster.yaml | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/amlogic,meson-irblaster.yaml

diff --git a/Documentation/devicetree/bindings/media/amlogic,meson-irblaster.yaml b/Documentation/devicetree/bindings/media/amlogic,meson-irblaster.yaml
new file mode 100644
index 000000000000..711b7e029275
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/amlogic,meson-irblaster.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/media/amlogic,meson-irblaster.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson IR blaster
+
+maintainers:
+ - Viktor Prutyanov <viktor.prutyanov@phystech.edu>
+
+description: |
+ Some Amlogic SoCs such as A311D and T950D4 have IR transmitter
+ (blaster) controller onboard. It is capable of sending IR signals
+ with arbitrary carrier frequency and duty cycle.
+
+properties:
+ compatible:
+ oneOf:
+ - const: amlogic,meson-irblaster
+ - items:
+ - const: amlogic,meson-g12a-irblaster
+ - const: amlogic,meson-irblaster
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: sysclk
+ - const: xtal
+
+ mod-clock:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/clock/g12a-clkc.h>
+
+ irblaster@ff80014c {
+ compatible = "amlogic,meson-g12a-irblaster", "amlogic,meson-irblaster";
+ reg = <0xff80014c 0x10>;
+ interrupts = <0 198 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&clkc CLKID_CLK81>, <&xtal>;
+ clock-names = "sysclk", "xtal";
+ mod-clock = "xtal";
+ };
--
2.21.0
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