From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: [PATCH v3 9/9] ASoC: tas2552: Update DT binding document regarding clkock configuration Date: Mon, 8 Jun 2015 15:19:56 +0300 Message-ID: <1433765996-28930-10-git-send-email-peter.ujfalusi@ti.com> References: <1433765996-28930-1-git-send-email-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by alsa0.perex.cz (Postfix) with ESMTP id 5AB4A260481 for ; Mon, 8 Jun 2015 14:20:19 +0200 (CEST) In-Reply-To: <1433765996-28930-1-git-send-email-peter.ujfalusi@ti.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: broonie@kernel.org, lgirdwood@gmail.com, dmurphy@ti.com Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Add overview of tas2552's clock configuration and selection. Signed-off-by: Peter Ujfalusi --- Documentation/devicetree/bindings/sound/tas2552.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/tas2552.txt b/Documentation/devicetree/bindings/sound/tas2552.txt index 55e2a0af5645..c49992c0b62a 100644 --- a/Documentation/devicetree/bindings/sound/tas2552.txt +++ b/Documentation/devicetree/bindings/sound/tas2552.txt @@ -14,6 +14,12 @@ Required properties: Optional properties: - enable-gpio - gpio pin to enable/disable the device +tas2552 can receive it's reference clock via MCLK, BCLK, IVCLKIN pin or use the +internal 1.8MHz. This CLKIN is used by the PLL. In addition to PLL, the PDM +reference clock is also selectable: PLL, IVCLKIN, BCLK or MCLK. +For system integration the dt-bindings/sound/tas2552.h header file provides +defined values to selct and configure the PLL and PDM reference clocks. + Example: tas2552: tas2552@41 { -- 2.4.2