From patchwork Fri Mar 21 20:05:53 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 14025996 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B65FDC36008 for ; Fri, 21 Mar 2025 20:07:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B50C210E1EE; Fri, 21 Mar 2025 20:07:14 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=denx.de header.i=@denx.de header.b="Nn4K6Weu"; dkim-atps=neutral Received: from mx.denx.de (mx.denx.de [89.58.32.78]) by gabe.freedesktop.org (Postfix) with ESMTPS id A561110E09A for ; Fri, 21 Mar 2025 20:07:11 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 53656101E8FE9; Fri, 21 Mar 2025 21:07:08 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=mx-20241105; t=1742587629; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=/QjT7PtVWPkoRPUHyfCfzMI+lVd5Zx3OIJsUBq2pBDI=; b=Nn4K6WeuDlELvisXql4OpZVGGp9NE+QVqa0IrHuTGC1z8zSVUKEdkdPhaGbpvWlNdeVR/G 6/vl9gvs7mPL2cN3yuq9N80FNtHwRrmhUEU3Mh3zmgSBa9aqXW4TAzNpxA8fFdKDUe8Hqw 5IuhoR3wxTFmxQm/FN3w+m2pDBuqG4rL2XMD/CUbEZP0wSRbRUAmKKBjN5VtaXdjnSJDY1 xpD6vqF0aClV4p9c7uCQMRNlAIXMnazbjWhPC/HbDOqaC5oe4AvMnVi85va6tsqqiAvnvX r0htcX7Ndd6NN1baiQDu2MuXVQIRG4kIvoAop+MxVT3wXbtrbXP1skg5hHOW9A== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , "Rob Herring (Arm)" , Frank Li , Boris Brezillon , Conor Dooley , David Airlie , Fabio Estevam , Krzysztof Kozlowski , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Pengutronix Kernel Team , Philipp Zabel , Sascha Hauer , Sebastian Reichel , Shawn Guo , Simona Vetter , Steven Price , Thomas Zimmermann , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev Subject: [PATCH v2 3/9] dt-bindings: gpu: mali-valhall-csf: Document optional reset Date: Fri, 21 Mar 2025 21:05:53 +0100 Message-ID: <20250321200625.132494-4-marex@denx.de> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250321200625.132494-1-marex@denx.de> References: <20250321200625.132494-1-marex@denx.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The instance of the GPU populated in Freescale i.MX95 does require release from reset by writing into a single GPUMIX block controller GPURESET register bit 0. Document support for one optional reset. Acked-by: Rob Herring (Arm) Reviewed-by: Frank Li Signed-off-by: Marek Vasut --- Cc: Boris Brezillon Cc: Conor Dooley Cc: David Airlie Cc: Fabio Estevam Cc: Krzysztof Kozlowski Cc: Liviu Dudau Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Pengutronix Kernel Team Cc: Philipp Zabel Cc: Rob Herring Cc: Sascha Hauer Cc: Sebastian Reichel Cc: Shawn Guo Cc: Simona Vetter Cc: Steven Price Cc: Thomas Zimmermann Cc: devicetree@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org --- V2: - Add RB from Frank - Add AB from Rob --- .../devicetree/bindings/gpu/arm,mali-valhall-csf.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml index a5b4e00217587..0efa06822a543 100644 --- a/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml @@ -61,6 +61,9 @@ properties: minItems: 1 maxItems: 5 + resets: + maxItems: 1 + sram-supply: true "#cooling-cells":