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Fri, 16 Jul 2021 07:45:16 -0700 (PDT) From: Viktor Prutyanov To: sean@mess.org, mchehab@kernel.org, robh+dt@kernel.org, khilman@baylibre.com, narmstrong@baylibre.com Cc: jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, rockosov@gmail.com, Viktor Prutyanov Subject: [PATCH v6 1/2] media: rc: meson-ir-tx: document device tree bindings Date: Fri, 16 Jul 2021 17:45:07 +0300 Message-Id: <20210716144508.6058-2-viktor.prutyanov@phystech.edu> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20210716144508.6058-1-viktor.prutyanov@phystech.edu> References: <20210716144508.6058-1-viktor.prutyanov@phystech.edu> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210716_074518_514095_9517A054 X-CRM114-Status: GOOD ( 12.39 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org This patch adds binding documentation for the IR transmitter available in Amlogic Meson SoCs. Signed-off-by: Viktor Prutyanov --- changes in v2: - compatible = "amlogic,meson-g12a-irblaster" added - clocks, clock-names and mod-clock updated changes in v3: - mod-clock removed - max-fifo-level added changes in v4: - irblaster -> ir-tx renaming changes in v5: - max-fifo-level -> amlogic,fifo-threshold (fifo-threshold == 128 - max-fifo-level) - amlogic,fifo-threshold becomes uint32 in range [0; 127] no changes in v6 .../bindings/media/amlogic,meson-ir-tx.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/amlogic,meson-ir-tx.yaml diff --git a/Documentation/devicetree/bindings/media/amlogic,meson-ir-tx.yaml b/Documentation/devicetree/bindings/media/amlogic,meson-ir-tx.yaml new file mode 100644 index 000000000000..88655413495d --- /dev/null +++ b/Documentation/devicetree/bindings/media/amlogic,meson-ir-tx.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/media/amlogic,meson-ir-tx.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Amlogic Meson IR transmitter + +maintainers: + - Viktor Prutyanov + +description: | + Some Amlogic SoCs such as A311D and T950D4 have IR transmitter + (also called blaster) controller onboard. It is capable of + sending IR signals with arbitrary carrier frequency and duty cycle. + +properties: + compatible: + oneOf: + - const: amlogic,meson-ir-tx + - items: + - const: amlogic,meson-g12a-ir-tx + - const: amlogic,meson-ir-tx + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: sysclk + - const: xtal + + amlogic,fifo-threshold: + description: TX FIFO threshold + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 127 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + #include + + ir@ff80014c { + compatible = "amlogic,meson-g12a-ir-tx", "amlogic,meson-ir-tx"; + reg = <0xff80014c 0x10>; + interrupts = <0 198 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc CLKID_CLK81>, <&xtal>; + clock-names = "sysclk", "xtal"; + amlogic,fifo-threshold = <32>; + };