From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF768C433EF for ; Mon, 4 Oct 2021 15:36:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB5B16124C for ; Mon, 4 Oct 2021 15:36:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235708AbhJDPif (ORCPT ); Mon, 4 Oct 2021 11:38:35 -0400 Received: from smtp1.axis.com ([195.60.68.17]:45236 "EHLO smtp1.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235465AbhJDPid (ORCPT ); Mon, 4 Oct 2021 11:38:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; q=dns/txt; s=axis-central1; t=1633361804; x=1664897804; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UYFFJPxtl6flc0oGzUVAnUnydlzyo+IHmBDZ17tVdz4=; b=ohhGc/PYjTCA0CE/oRjNBNrR/AF/qofXI2drTPCl609kyM1+CnQHvnqN GZSu8zKg71YH7HUn/DJoCw/zRkc4JoAnuaRMdaYlpQ5fwAPVbLfpesYL6 bQGvjN6uk1OCmfcO0Uebv5kwXK8Iq3zXLdct2LllbY6Zp+X0NNpzHfz37 4XTblTVvTOYQDiEMN3jjmJ7A0/yKl2KR23n66NQGZeV2URbQE+MaTGaSr DjjO7V+THRWzlUI26X5ZYsksnEXcs+TU9OeQO821A0drw1m1cRHfxEtwT zLwwGfjzeRrYxMBeU0gxyWf6oo5EfdAWQh1yPR7eFSBZOxWsgvThmbz7E g==; From: Vincent Whitchurch To: , CC: , , , Vincent Whitchurch Subject: [PATCH 1/2] dt-bindings: mux: gpio-mux: Add property for settle time Date: Mon, 4 Oct 2021 17:36:39 +0200 Message-ID: <20211004153640.20650-2-vincent.whitchurch@axis.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20211004153640.20650-1-vincent.whitchurch@axis.com> References: <20211004153640.20650-1-vincent.whitchurch@axis.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hardware may require some time for the muxed analog signals to settle after the muxing is changed. Allow this time to be specified in the devicetree. Signed-off-by: Vincent Whitchurch --- Documentation/devicetree/bindings/mux/gpio-mux.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/mux/gpio-mux.yaml b/Documentation/devicetree/bindings/mux/gpio-mux.yaml index 0a7c8d64981a..7cffa0711f02 100644 --- a/Documentation/devicetree/bindings/mux/gpio-mux.yaml +++ b/Documentation/devicetree/bindings/mux/gpio-mux.yaml @@ -31,6 +31,11 @@ properties: idle-state: default: -1 + settle-time-us: + default: 0 + description: + Time required for analog signals to settle after muxing. + required: - compatible - mux-gpios -- 2.28.0