[PATCH 1/2] media: rc: meson-irblaster: document device tree bindings
From: Viktor Prutyanov <hidden>
Date: 2021-07-01 21:52:02
Also in:
linux-amlogic, linux-arm-kernel, linux-media, lkml
Subsystem:
media input infrastructure (v4l/dvb), open firmware and flattened device tree bindings, the rest · Maintainers:
Mauro Carvalho Chehab, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds binding documentation for the IR transmitter available in Amlogic Meson SoCs. Signed-off-by: Viktor Prutyanov <redacted> --- .../media/amlogic,meson-irblaster.yaml | 63 +++++++++++++++++++ 1 file changed, 63 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..baecda092a78
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/amlogic,meson-irblaster.yaml@@ -0,0 +1,63 @@ +# 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: + const: amlogic,meson-irblaster + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + maxItems: 2 + items: + - const: sysclk + - const: xtal + + mod-clock: + oneOf: + - const: sysclk + - const: xtal + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/g12a-clkc.h> + + meson-irblaster@ff80014c { + compatible = "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