From patchwork Wed Oct 10 14:24:58 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 998024 Return-Path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A16F5C43441 for ; Wed, 10 Oct 2018 14:25:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F3A72150F for ; Wed, 10 Oct 2018 14:25:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F3A72150F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=v3.sk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727302AbeJJVrv (ORCPT ); Wed, 10 Oct 2018 17:47:51 -0400 Received: from shell.v3.sk ([90.176.6.54]:53467 "EHLO shell.v3.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726562AbeJJVru (ORCPT ); Wed, 10 Oct 2018 17:47:50 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 830A5BCEFC; Wed, 10 Oct 2018 16:25:22 +0200 (CEST) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id HRej-vn7v07l; Wed, 10 Oct 2018 16:25:12 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 613B8BCF6D; Wed, 10 Oct 2018 16:25:11 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id l82Sbubspqtd; Wed, 10 Oct 2018 16:25:09 +0200 (CEST) Received: from belphegor.lan (ip-89-102-31-34.net.upcbroadband.cz [89.102.31.34]) by zimbra.v3.sk (Postfix) with ESMTPSA id 5B22BBCF5F; Wed, 10 Oct 2018 16:25:09 +0200 (CEST) From: Lubomir Rintel To: Dmitry Torokhov Cc: Michael Turquette , Rob Herring , Mark Rutland , Stephen Boyd , James Cameron , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Lubomir Rintel Subject: [PATCH v2 2/8] dt-bindings: olpc,ap-sp: add GPIO lines Date: Wed, 10 Oct 2018 16:24:58 +0200 Message-Id: <20181010142504.233467-3-lkundrak@v3.sk> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181010142504.233467-1-lkundrak@v3.sk> References: <20181010142504.233467-1-lkundrak@v3.sk> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add properties describing the GPIO lines used by the keyboard controller. The olpc-apsp driver will do happily without them, but they are still part of the hardware description. The driver could still reserve the lines, so that nothing else touches them. This makes the device node almost compatible with "ps2-gpio". I'm not adding a compatible property, because ps2-gpio would use a different interrupt, so that we'd need to name it. And I haven't actually tried it. Reviewed-by: Rob Herring Signed-off-by: Lubomir Rintel Acked-by: Pavel Machek --- Documentation/devicetree/bindings/serio/olpc,ap-sp.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt b/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt index 36603419d6f8..2b1b1dbb54c1 100644 --- a/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt +++ b/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt @@ -7,6 +7,10 @@ Required properties: - clocks : phandle + clock-specifier for the clock that drives the WTM - clock-names: should be "sp" +Optional properties: +- data-gpios : GPIO line used for PS/2 interface data +- clk-gpios : GPIO line used for PS/2 interface clock + Example: ap-sp@d4290000 { compatible = "olpc,ap-sp"; @@ -14,4 +18,6 @@ Example: interrupts = <40>; clocks = <&soc_clocks MMP2_CLK_SP>; clock-names = "sp"; + data-gpios = <&gpio 72 GPIO_ACTIVE_HIGH>; + clk-gpios = <&gpio 71 GPIO_ACTIVE_HIGH>; }