From patchwork Sun Apr 13 19:35:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Kling via B4 Relay X-Patchwork-Id: 880970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79B1B1F3BA4; Sun, 13 Apr 2025 19:35:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744572936; cv=none; b=iC3cUp3NjN/J/8jNBOhwLvIwIOyFnoXRmBLGh/yrQd8FUdyfBuEoQZiBRRbJPAmxZrrQgCeJRe5Oi7C4LbqQurrObTQ7IwJgWdZAjBiWweMpmR3AWxt4LR+exR93lqomhk32JyXweP0wC+zhlPyu6898SGyI9E+dD4KR140QIKA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744572936; c=relaxed/simple; bh=XEKLLzDUwO73lm036APy9wcjIJRYWRNLNEiLDKpC+yo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=guzqNlvvQuG/CkKz69vMcdtBOtHoZnuifrWmdX86fgdqMGLDX86SsbKkgHncyiDfk+cRzVRtRqQT5kdCQayD41G1cmtZkFyIcNMxAcpRey33Eo5CexaJPjmVclpne8YluD7VXnNxKbDUcqmxKjZxkhiKl4KfJtFSFRIxLNuTaQA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qCpA2QXZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qCpA2QXZ" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8A8C1C4CEED; Sun, 13 Apr 2025 19:35:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744572936; bh=XEKLLzDUwO73lm036APy9wcjIJRYWRNLNEiLDKpC+yo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=qCpA2QXZbHCWZRyTD3ah96MTimue1GT/Xv3+KyCZce4SizZtFFr41+2tx05l4xcZl HJwfTctGaxRyKBzkYx+FkxtZ4285bw7OgBPJVKOvN+xr97557RHGb18S3CN7N0TIYY hZlg0SxB1GbD8kpkC+jpaVGf502zK29i+KVqG7ioDwy6I227J/o5EfBrpY/JblzbhE HVwZzh00yzkdhJh2jtkXxAC2fQ+SJcdXr4X00pZ4R7f32mob0icLO536ZHpnU2zAOZ AHLprhg7klmtnShS390F3JZzMMitDVFvGEFECMEvKDaWbdYH1UHbJD6ooJiso4eb7o M6I+kxlOApKug== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B1CCC369AE; Sun, 13 Apr 2025 19:35:34 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Sun, 13 Apr 2025 14:35:34 -0500 Subject: [PATCH v4 3/4] arm64: tegra: Add CEC controller on Tegra210 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250413-tegra-cec-v4-3-b6337b66ccad@gmail.com> References: <20250413-tegra-cec-v4-0-b6337b66ccad@gmail.com> In-Reply-To: <20250413-tegra-cec-v4-0-b6337b66ccad@gmail.com> To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter Cc: linux-tegra@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Aaron Kling X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1744572933; l=999; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=bblG65p7/xkPR55OcOIBpt0KSwsSdM49hsWkcsMIg5A=; b=A6bvMHGlLxAUDaKkccfI3+OvthSdTrPDoTTWMHmjESNU2kkiaHIBC/72AY0a3eqYeBgNRFki3 oyC1mejNcEaCpSzecujSE7oNawIMoW4ymxmKi7vZasR03u2cTuth7+5 X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Aaron Kling The CEC controller found on Tegra210 can be used to control consumer devices using the HDMI CEC pin. Signed-off-by: Aaron Kling --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index b6c84d195c0ef9ae90721fada09ffd46a9c11fa3..402b0ede1472af625d9d9e811f5af306d436cc98 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -959,6 +959,15 @@ fuse@7000f800 { reset-names = "fuse"; }; + cec@70015000 { + compatible = "nvidia,tegra210-cec"; + reg = <0x0 0x070015000 0x0 0x1000>; + interrupts = ; + clocks = <&tegra_car TEGRA210_CLK_CEC>; + clock-names = "cec"; + status = "disabled"; + }; + mc: memory-controller@70019000 { compatible = "nvidia,tegra210-mc"; reg = <0x0 0x70019000 0x0 0x1000>;