From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752335AbdBMISI (ORCPT ); Mon, 13 Feb 2017 03:18:08 -0500 Received: from mail-pg0-f51.google.com ([74.125.83.51]:35049 "EHLO mail-pg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752245AbdBMISG (ORCPT ); Mon, 13 Feb 2017 03:18:06 -0500 From: Baoyou Xie To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, perex@perex.cz, tiwai@suse.com, jun.nie@linaro.org, shawn.guo@linaro.org Cc: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, baoyou.xie@linaro.org, xie.baoyou@zte.com.cn, chen.chaokai@zte.com.cn, wang.qiang01@zte.com.cn Subject: [PATCH v1 1/3] ASoC: zx-tdm: add documentation for zte's tdm controller Date: Mon, 13 Feb 2017 16:17:31 +0800 Message-Id: <1486973853-25291-1-git-send-email-baoyou.xie@linaro.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds dt-binding documentation for zte's tdm controller. Signed-off-by: Baoyou Xie --- .../devicetree/bindings/sound/zte,tdm.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/zte,tdm.txt diff --git a/Documentation/devicetree/bindings/sound/zte,tdm.txt b/Documentation/devicetree/bindings/sound/zte,tdm.txt new file mode 100644 index 0000000..f6e4f7f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/zte,tdm.txt @@ -0,0 +1,32 @@ +ZTE TDM DAI driver + +Required properties: + +- compatible : should be one of the following. + * zte,zx-tdm +- reg : physical base address of the controller and length of memory mapped + region. +- clocks : Pairs of phandle and specifier referencing the controller's clocks. +- clock-names: "tdm_wclk" for the wclk. + "tdm_pclk" for the pclk. +-#clock-cells: should be 1. +- zte,tdm-dma-sysctrl : Reference to the sysctrl controller controlling + the dma. includes: + phandle of sysctrl. + register offset in sysctrl for control dma. + mask of the register that be written to dma. + value of the register that be written to dma. + +Example: + + tdm: tdm@1487000 { + compatible = "zte,zx-tdm"; + reg = <0x01487000 0x1000>; + clocks = <&audiocrm AUDIO_TDM_WCLK>, <&audiocrm AUDIO_TDM_PCLK>; + clock-names = "tdm_wclk", "tdm_pclk"; + #clock-cells = <1>; + pinctrl-names = "default"; + pinctrl-0 = <&tdm_global_pin>; + zte,tdm-dma-sysctrl = <&sysctrl 0x10c 0xf 0xf>; + status = "ok"; + }; -- 2.7.4