From patchwork Thu Aug 8 20:32:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleh Kravchenko X-Patchwork-Id: 1144175 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=kaa.org.ua Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 464Kv66zzmz9sDB for ; Fri, 9 Aug 2019 06:37:54 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731278AbfHHUhx (ORCPT ); Thu, 8 Aug 2019 16:37:53 -0400 Received: from smtp.220.in.ua ([89.184.67.205]:56951 "EHLO smtp.220.in.ua" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725785AbfHHUhx (ORCPT ); Thu, 8 Aug 2019 16:37:53 -0400 X-Greylist: delayed 330 seconds by postgrey-1.27 at vger.kernel.org; Thu, 08 Aug 2019 16:37:53 EDT Received: from oleh-pc.lan (unknown [95.67.115.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.220.in.ua (Postfix) with ESMTPSA id 1F7581A20EFD; Thu, 8 Aug 2019 23:32:20 +0300 (EEST) From: Oleh Kravchenko To: devicetree@vger.kernel.org, linux-leds@vger.kernel.org Cc: Oleh Kravchenko Subject: [PATCH v4 1/2] dt-bindings: Add docs for EL15203000 Date: Thu, 8 Aug 2019 23:32:03 +0300 Message-Id: <20190808203204.8614-1-oleg@kaa.org.ua> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add documentation and example for dt-bindings EL15203000. LED board (aka RED LED board) from Crane Merchandising Systems. Signed-off-by: Oleh Kravchenko --- .../bindings/leds/leds-el15203000.txt | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-el15203000.txt diff --git a/Documentation/devicetree/bindings/leds/leds-el15203000.txt b/Documentation/devicetree/bindings/leds/leds-el15203000.txt new file mode 100644 index 000000000000..4c2245babfdc --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-el15203000.txt @@ -0,0 +1,47 @@ +Crane Merchandising System - el15203000 LED driver +-------------------------------------------------- + +This LED Board (aka RED LEDs board) is widely used in +coffee vending machines produced by Crane Merchandising Systems. + +Required properties: +- compatible : "crane,el15203000" +- reg : + see Documentation/devicetree/bindings/spi/spi-bus.txt +- spi-max-frequency : (optional) + see Documentation/devicetree/bindings/spi/spi-bus.txt + +Optional LED sub-node properties: +- label : + see Documentation/devicetree/bindings/leds/common.txt +- linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt + +Example +------- + +led-controller@0 { + compatible = "crane,el15203000"; + reg = <0>; + spi-max-frequency = <50000>; + #address-cells = <1>; + #size-cells = <0>; + + /* water pipe */ + pipe@50 { + reg = <0x50>; + label = "red:pipe"; + }; + + /* screen frame */ + screen@53 { + reg = <0x53>; + label = "red:screen"; + }; + + /* vending area */ + vend@56 { + reg = <0x56>; + label = "red:vend"; + }; +};