From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kenneth Westfield Subject: [Patch V7 02/10] ASoC: qcom: Document LPASS CPU bindings Date: Tue, 3 Mar 2015 16:21:51 -0800 Message-ID: <1425428519-12224-3-git-send-email-kwestfie@codeaurora.org> References: <1425428519-12224-1-git-send-email-kwestfie@codeaurora.org> Return-path: In-Reply-To: <1425428519-12224-1-git-send-email-kwestfie@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: Mark Brown , Takashi Iwai , Liam Girdwood , Banajit Goswami , Patrick Lai , David Brown , Bryan Huntsman , Greg KH Cc: Kenneth Westfield , ALSA Mailing List , MSM Mailing List , Device Tree Mailing List , Kernel Mailing List List-Id: devicetree@vger.kernel.org From: Kenneth Westfield Add documentation to the sound directory of the device-tree bindings for the QTi LPASS CPU DAI device. Signed-off-by: Kenneth Westfield Acked-by: Banajit Goswami --- .../devicetree/bindings/sound/qcom,lpass-cpu.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt new file mode 100644 index 0000000000000000000000000000000000000000..e7c6e9321863f022ebf0d51b75d7bb83c10b9062 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt @@ -0,0 +1,49 @@ +* Qualcomm Technologies LPASS CPU DAI + +This node models the Qualcomm Technologies Low-Power Audio SubSystem (LPASS). + +Required properties: + +- compatible : "qcom,lpass-cpu" +- clocks : Must contain an entry for each entry in clock-names. +- clock-names : A list which must include the following entries: + * "ahbix-clk" + * "mi2s-osr-clk" + * "mi2s-bit-clk" +- interrupts : Must contain an entry for each entry in + interrupt-names. +- interrupt-names : A list which must include the following entries: + * "lpass-irq-lpaif" +- pinctrl-N : One property must exist for each entry in + pinctrl-names. See ../pinctrl/pinctrl-bindings.txt + for details of the property values. +- pinctrl-names : Must contain a "default" entry. +- reg : Must contain an address for each entry in reg-names. +- reg-names : A list which must include the following entries: + * "lpass-lpaif" + +Required subnodes: + +- qcom,adsp : Audio DSP sub-node + +Optional Audio DSP subnode properties: + +- status : "disabled" indicates the adsp is not available. + +Example: + +lpass@28100000 { + compatible = "qcom,lpass-cpu"; + clocks = <&lcc AHBIX_CLK>, <&lcc MI2S_OSR_CLK>, <&lcc MI2S_BIT_CLK>; + clock-names = "ahbix-clk", "mi2s-osr-clk", "mi2s-bit-clk"; + interrupts = <0 85 1>; + interrupt-names = "lpass-irq-lpaif"; + pinctrl-names = "default", "idle"; + pinctrl-0 = <&mi2s_default>; + pinctrl-1 = <&mi2s_idle>; + reg = <0x28100000 0x10000>; + reg-names = "lpass-lpaif"; + qcom,adsp { + status = "disabled"; + }; +}; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project