From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiubo Li Subject: [PATCHv1 4/8] Documentation: Add device tree bindings for Freescale SAI. Date: Thu, 17 Oct 2013 17:01:13 +0800 Message-ID: <1382000477-17304-5-git-send-email-Li.Xiubo@freescale.com> References: <1382000477-17304-1-git-send-email-Li.Xiubo@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1382000477-17304-1-git-send-email-Li.Xiubo@freescale.com> Sender: linux-kernel-owner@vger.kernel.org To: r65073@freescale.com, timur@tabi.org, lgirdwood@gmail.com, broonie@kernel.org Cc: r64188@freescale.com, rob.herring@calxeda.com, pawel.moll@arm.com, mark.rutland@arm.com, swarren@wwwdotorg.org, ian.campbell@citrix.com, rob@landley.net, linux@arm.linux.org.uk, perex@perex.cz, tiwai@suse.de, grant.likely@linaro.org, fabio.estevam@freescale.com, LW@KARO-electronics.de, oskar@scara.com, shawn.guo@linaro.org, b42378@freescale.com, b18965@freescale.com, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org List-Id: devicetree@vger.kernel.org This adds the Document for Freescale SAI driver under Documentation/devicetree/bindings/sound/. Signed-off-by: Xiubo Li --- .../devicetree/bindings/sound/fsl-sai.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/fsl-sai.txt diff --git a/Documentation/devicetree/bindings/sound/fsl-sai.txt b/Documentation/devicetree/bindings/sound/fsl-sai.txt new file mode 100644 index 0000000..267afbd --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl-sai.txt @@ -0,0 +1,32 @@ +Freescale Synchronous Audio Interface (SAI). + +The SAI is based on I2S module that used communicating with audio codecs, +which provides a synchronous audio interface that supports fullduplex +serial interfaces with frame synchronization such as I2S, AC97, TDM, and +codec/DSP interfaces. + + +Required properties: +- compatible: Compatible list, contains "fsl,vf610-sai". +- reg: Offset and length of the register set for the device. +- clocks: Must contain an entry for each entry in clock-names. +- clock-names : Must include the "sai" entry. +- dmas : Generic dma devicetree binding as described in + Documentation/devicetree/bindings/dma/dma.txt. +- dma-names : Two dmas have to be defined, "tx" and "rx". +- pinctrl-names: Must contain a "default" entry. +- pinctrl-NNN: One property must exist for each entry in pinctrl-names. + See ../pinctrl/pinctrl-bindings.txt for details of the property values. + +Example: +sai2: sai@40031000 { + compatible = "fsl,vf610-sai"; + reg = <0x40031000 0x1000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sai2_1>; + clocks = <&clks VF610_CLK_SAI2>; + clock-names = "sai"; + dma-names = "tx", "rx"; + dmas = <&edma0 0 VF610_EDMA_MUXID0_SAI2_TX>, + <&edma0 0 VF610_EDMA_MUXID0_SAI2_RX>; +}; -- 1.8.0