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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EA9CC10F03 for ; Mon, 25 Mar 2019 17:35:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B1B22087E for ; Mon, 25 Mar 2019 17:35:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="Fex4pV/W" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730031AbfCYRfL (ORCPT ); Mon, 25 Mar 2019 13:35:11 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:46984 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729902AbfCYRfH (ORCPT ); Mon, 25 Mar 2019 13:35:07 -0400 Received: by mail-wr1-f67.google.com with SMTP id o1so11148540wrs.13 for ; Mon, 25 Mar 2019 10:35:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IXlGPOBwp//uKNJa434eOkLrClSnsgj56Ngvzlundr4=; b=Fex4pV/W8FZ7zM1+mvDX7aFNrxVQ0fvfVQ/tuyoMWe+HW2joBx8VPHo6PFe79v8bX2 B93VcniUw1rX7zNw8KT408MKK4oNiS6OquFwPNqmpGyscjI2J60LYK1J6cYs4nqEdf/S kA40GYYZ/IRUSx5nMYE+6OrTH+kvL+2R1uLJPC95NP6Q6ssEm3fOGPUtTPtEpMHIOq/c 2wSQFp3vaW020tM1wtDCDTmIJ+6wdF+PknWsuuoKErFcsgbxBwAmSB9vN6AXDAKBjhhj 3/zV3TdrOuOkDnOfxcfIiVlBOJjwJnrNvqs1BP8qjudrjBbkkvoBYg+2+l+w/mOpEh1G JxTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IXlGPOBwp//uKNJa434eOkLrClSnsgj56Ngvzlundr4=; b=Nn5cwXnpGOugTC/S9SjwzVgJtwF85LEUZ6O8rn+MJ3qIAHbDqoAF3tKlNVl31tR1e9 Ct/PBI6PeLzyB0+34rvLCaQqbM0hWbUaIATIwYlKSbbUs++BjbBkTXHf6dTQ6hgD2o7f UU+bxv3tx5okN+EuyQjDB3xtdNDzlHsNJD3xnB6hlwwe/rnkEqAEOTmerHDz7+h80SjS vGe/NuoLqUGzI/1YJLTOPaiO47XCC2klhq6wny7nbVtNj1WAueJEDh0D5qNGeR4S3G+e AFgk3W4ih0do+NgerXjx9gl6rTQrUviGktt1npcR1RxSOAIMtgotTHCYB5Uie+Z+cBtg 06lQ== X-Gm-Message-State: APjAAAX5vkAJ4fJHwqAnoqXPmWClnuv1ur+l97Yor/u6cdaTPbup9WE4 qm+ZiuWGCXc0P1HsOCd5jFsX3Q== X-Google-Smtp-Source: APXvYqzIEKV0+Wttnn+Y6TxMdCzyreipXSORa22STjIeFFmPStP6jn1djkcf5aOlJP1npioffi3IPw== X-Received: by 2002:adf:eb84:: with SMTP id t4mr17732631wrn.100.1553535305536; Mon, 25 Mar 2019 10:35:05 -0700 (PDT) Received: from localhost.localdomain (176-150-251-154.abo.bbox.fr. [176.150.251.154]) by smtp.gmail.com with ESMTPSA id o15sm16003227wrj.59.2019.03.25.10.35.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 25 Mar 2019 10:35:05 -0700 (PDT) From: Neil Armstrong To: hverkuil@xs4all.nl, mchehab@kernel.org, devicetree@vger.kernel.org Cc: Neil Armstrong , linux-amlogic@lists.infradead.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] media: dt-bindings: media: meson-ao-cec: Add G12A AO-CEC-B Compatible Date: Mon, 25 Mar 2019 18:34:59 +0100 Message-Id: <20190325173501.22863-2-narmstrong@baylibre.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190325173501.22863-1-narmstrong@baylibre.com> References: <20190325173501.22863-1-narmstrong@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Amlogic G12A embeds a second CEC controller named AO-CEC-B, and the other one is AO-CEC-A described by the current bindings. The registers interface is very close but the internal architecture is totally different. The other difference is the closk source, the AO-CEC-B takes the "oscin", the Always-On Oscillator clock, as input and embeds a dual-divider clock divider to provide the precise 32768Hz base clock for CEC communication. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/media/meson-ao-cec.txt | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/media/meson-ao-cec.txt b/Documentation/devicetree/bindings/media/meson-ao-cec.txt index 8671bdb08080..d6e2f9cf0aaf 100644 --- a/Documentation/devicetree/bindings/media/meson-ao-cec.txt +++ b/Documentation/devicetree/bindings/media/meson-ao-cec.txt @@ -4,16 +4,23 @@ The Amlogic Meson AO-CEC module is present is Amlogic SoCs and its purpose is to handle communication between HDMI connected devices over the CEC bus. Required properties: - - compatible : value should be following - "amlogic,meson-gx-ao-cec" + - compatible : value should be following depending on the SoC : + For GXBB, GXL, GXM and G12A (AO_CEC_A module) : + "amlogic,meson-gx-ao-cec" + For G12A (AO_CEC_B module) : + "amlogic,meson-g12a-ao-cec" - reg : Physical base address of the IP registers and length of memory mapped region. - interrupts : AO-CEC interrupt number to the CPU. - clocks : from common clock binding: handle to AO-CEC clock. - - clock-names : from common clock binding: must contain "core", - corresponding to entry in the clocks property. + - clock-names : from common clock binding, must contain : + For GXBB, GXL, GXM and G12A (AO_CEC_A module) : + - "core" + For G12A (AO_CEC_B module) : + - "oscin" + corresponding to entry in the clocks property. - hdmi-phandle: phandle to the HDMI controller Example: -- 2.21.0