Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753299AbcCaAYV (ORCPT ); Wed, 30 Mar 2016 20:24:21 -0400 Received: from mail-gw1-out.broadcom.com ([216.31.210.62]:62093 "EHLO mail-gw1-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751612AbcCaAYT (ORCPT ); Wed, 30 Mar 2016 20:24:19 -0400 X-IronPort-AV: E=Sophos;i="5.24,419,1455004800"; d="scan'208";a="91751031" From: Simran Rai To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Ray Jui , Scott Branden , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: Simran Rai , Lori Hikichi , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org, Arun Parameswaran , alsa-devel@alsa-project.org Subject: [PATCH v6 1/3] ASoC: cygnus: Add DT bindings for Broadcom Cygnus audio Date: Wed, 30 Mar 2016 17:24:44 -0700 Message-Id: <1459383886-20317-2-git-send-email-simran.rai@broadcom.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1459383886-20317-1-git-send-email-simran.rai@broadcom.com> References: <1459383886-20317-1-git-send-email-simran.rai@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2844 Lines: 88 From: Simran Rai Add bindings for audio driver in Broadcom Cygnus. Signed-off-by: Lori Hikichi Signed-off-by: Simran Rai Reviewed-by: Ray Jui Reviewed-by: Scott Branden --- .../bindings/sound/brcm,cygnus-audio.txt | 67 ++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt diff --git a/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt new file mode 100644 index 0000000..b139e66 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt @@ -0,0 +1,67 @@ +BROADCOM Cygnus Audio I2S/TDM/SPDIF controller + +Required properties: + - compatible : "brcm,cygnus-audio" + - #address-cells: 32bit valued, 1 cell. + - #size-cells: 32bit valued, 0 cell. + - reg : Should contain audio registers location and length + - reg-names: names of the registers listed in "reg" property + Valid names are "aud" and "i2s_in". "aud" contains a + set of DMA, I2S_OUT and SPDIF registers. "i2s_in" contains + a set of I2S_IN registers. + - clocks: PLL and leaf clocks used by audio ports + - assigned-clocks: PLL and leaf clocks + - assigned-clock-parents: parent clocks of the assigned clocks + (usually the PLL) + - assigned-clock-rates: List of clock frequencies of the + assigned clocks + - clock-names: names of 3 leaf clocks used by audio ports + Valid names are "ch0_audio", "ch1_audio", "ch2_audio" + - interrupts: audio DMA interrupt number + +SSP Subnode properties: +- reg: The index of ssp port interface to use + Valid value are 0, 1, 2, or 3 (for spdif) + +Example: + cygnus_audio: audio@180ae000 { + compatible = "brcm,cygnus-audio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x180ae000 0xafd>, <0x180aec00 0x1f8>; + reg-names = "aud", "i2s_in"; + clocks = <&audiopll BCM_CYGNUS_AUDIOPLL_CH0>, + <&audiopll BCM_CYGNUS_AUDIOPLL_CH1>, + <&audiopll BCM_CYGNUS_AUDIOPLL_CH2>; + assigned-clocks = <&audiopll BCM_CYGNUS_AUDIOPLL>, + <&audiopll BCM_CYGNUS_AUDIOPLL_CH0>, + <&audiopll BCM_CYGNUS_AUDIOPLL_CH1>, + <&audiopll BCM_CYGNUS_AUDIOPLL_CH2>; + assigned-clock-parents = <&audiopll BCM_CYGNUS_AUDIOPLL>; + assigned-clock-rates = <1769470191>, + <0>, + <0>, + <0>; + clock-names = "ch0_audio", "ch1_audio", "ch2_audio"; + interrupts = ; + + ssp0: ssp_port@0 { + reg = <0>; + status = "okay"; + }; + + ssp1: ssp_port@1 { + reg = <1>; + status = "disabled"; + }; + + ssp2: ssp_port@2 { + reg = <2>; + status = "disabled"; + }; + + spdif: spdif_port@3 { + reg = <3>; + status = "disabled"; + }; + }; -- 1.7.9.5