From mboxrd@z Thu Jan 1 00:00:00 1970 From: Katsuhiro Suzuki Subject: [PATCH 3/8] ASoC: uniphier: add DT bindings documentation for UniPhier AIO Date: Wed, 22 Nov 2017 20:43:16 +0900 Message-ID: <20171122114321.29196-4-suzuki.katsuhiro@socionext.com> References: <20171122114321.29196-1-suzuki.katsuhiro@socionext.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20171122114321.29196-1-suzuki.katsuhiro@socionext.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Mark Brown , alsa-devel@alsa-project.org, Rob Herring , devicetree@vger.kernel.org, Masahiro Yamada Cc: Katsuhiro Suzuki , Jassi Brar , linux-arm-kernel@lists.infradead.org, Masami Hiramatsu , linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org This patch adds DT binding documentation for UniPhier AIO audio subsystem. Signed-off-by: Katsuhiro Suzuki --- .../devicetree/bindings/sound/uniphier,aio.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/uniphier,aio.txt diff --git a/Documentation/devicetree/bindings/sound/uniphier,aio.txt b/Documentation/devicetree/bindings/sound/uniphier,aio.txt new file mode 100644 index 000000000000..73f6c27ae4f7 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/uniphier,aio.txt @@ -0,0 +1,36 @@ +Socionext UniPhier SoC audio driver + +The Socionext UniPhier audio subsystem consists of I2S and S/PDIF blocks in +the same register space. + +Required properties: +- compatible : should be one of the following: + "socionext,uniphier-ld11-aio" + "socionext,uniphier-ld20-aio" +- reg : offset and length of the register set for the device. +- interrupts : should contain I2S or S/PDIF interrupt. +- pinctrl-names : should be "default". +- pinctrl-0 : defined I2S signal pins for an external codec chip. +- clock-names : should include following entries: + "aio" +- clocks : a list of phandle, should contain an entry for each + entry in clock-names. +- reset-names : should include following entries: + "aio" +- resets : a list of phandle, should contain an entry for each + entry in reset-names. +- #sound-dai-cells: should be 1. + +Example: + audio { + compatible = "socionext,uniphier-ld20-aio"; + reg = <0x56000000 0x80000>; + interrupts = <0 144 4>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_aout>; + clock-names = "aio"; + clocks = <&sys_clk 40>; + reset-names = "aio"; + resets = <&sys_rst 40>; + #sound-dai-cells = <1>; + }; -- 2.15.0