Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934409AbbLQJwT (ORCPT ); Thu, 17 Dec 2015 04:52:19 -0500 Received: from nasmtp01.atmel.com ([192.199.1.245]:44037 "EHLO DVREDG01.corp.atmel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933374AbbLQJwR (ORCPT ); Thu, 17 Dec 2015 04:52:17 -0500 From: Songjun Wu To: , CC: , Songjun Wu , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , , Subject: [PATCH v2 2/2] ASoC: atmel-classd: DT binding for PDMIC driver Date: Thu, 17 Dec 2015 17:44:58 +0800 Message-ID: <1450345498-20130-2-git-send-email-songjun.wu@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1450345498-20130-1-git-send-email-songjun.wu@atmel.com> References: <1450345498-20130-1-git-send-email-songjun.wu@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2437 Lines: 80 DT binding documentation for this new ASoC driver. Signed-off-by: Songjun Wu --- Changes in v2: None .../devicetree/bindings/sound/atmel-pdmic.txt | 55 ++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/atmel-pdmic.txt diff --git a/Documentation/devicetree/bindings/sound/atmel-pdmic.txt b/Documentation/devicetree/bindings/sound/atmel-pdmic.txt new file mode 100644 index 0000000..e0875f1 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/atmel-pdmic.txt @@ -0,0 +1,55 @@ +* Atmel PDMIC driver under ALSA SoC architecture + +Required properties: +- compatible + Should be "atmel,sama5d2-pdmic". +- reg + Should contain PDMIC registers location and length. +- interrupts + Should contain the IRQ line for the PDMIC. +- dmas + One DMA specifiers as described in atmel-dma.txt and dma.txt files. +- dma-names + Must be "rx". +- clock-names + Required elements: + - "pclk" peripheral clock + - "gclk" generated clock +- clocks + Must contain an entry for each required entry in clock-names. + Please refer to clock-bindings.txt. +- atmel,mic-min-freq + The minimal frequency that the micphone supports. +- atmel,mic-max-freq + The maximal frequency that the micphone supports. + +Optional properties: +- pinctrl-names, pinctrl-0 + Please refer to pinctrl-bindings.txt. +- atmel,model + The user-visible name of this sound card. + The default value is "PDMIC". +- atmel,mic-offset + The offset that should be added. + The range is from -32768 to 32767. + The default value is 0. + +Example: + pdmic@f8018000 { + compatible = "atmel,sama5d2-pdmic"; + reg = <0xf8018000 0x124>; + interrupts = <48 IRQ_TYPE_LEVEL_HIGH 7>; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) + | AT91_XDMAC_DT_PERID(50))>; + dma-names = "rx"; + clocks = <&pdmic_clk>, <&pdmic_gclk>; + clock-names = "pclk", "gclk"; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pdmic_default>; + atmel,model = "PDMIC @ sama5d2_xplained"; + atmel,mic-min-freq = <1000000>; + atmel,mic-max-freq = <3246000>; + atmel,mic-offset = <0x0>; + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/