From patchwork Wed May 29 08:21:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Lo X-Patchwork-Id: 1106941 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="JaEUta0h"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45DNwZ6f9bz9s55 for ; Wed, 29 May 2019 18:21:50 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726069AbfE2IVu (ORCPT ); Wed, 29 May 2019 04:21:50 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:11368 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725917AbfE2IVt (ORCPT ); Wed, 29 May 2019 04:21:49 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 29 May 2019 01:21:48 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 29 May 2019 01:21:48 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 29 May 2019 01:21:48 -0700 Received: from HQMAIL105.nvidia.com (172.20.187.12) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 29 May 2019 08:21:48 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 29 May 2019 08:21:48 +0000 Received: from josephl-linux.nvidia.com (Not Verified[10.19.108.132]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Wed, 29 May 2019 01:21:47 -0700 From: Joseph Lo To: Thierry Reding , Peter De Schrijver , Jonathan Hunter , Rob Herring , Stephen Boyd CC: , , , , Joseph Lo Subject: [PATCH V4 0/8] Add EMC scaling support for Tegra210 Date: Wed, 29 May 2019 16:21:31 +0800 Message-ID: <20190529082139.5581-1-josephl@nvidia.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-NVConfidentiality: public DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1559118108; bh=XuNQ9UxKIn9U28BU9jOdmmgvQosuL6obR6fs0OHQgc8=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: MIME-Version:X-NVConfidentiality:Content-Transfer-Encoding: Content-Type; b=JaEUta0hBxrysDVALtbxkUDF7PypdzoO4E65UJm7VcEk1h4OGOm4dGxvxJQzLjSYs 6JpcIBTw6fF5GxdB18KLUlO8T4S1Oa5prIXCa6/wcDNE8wT2gzpPyVRw0ri42VSIHr 8dWPJZjR7qbORlnZw61CnWHHjpri4iI478XlhfseroebGaI8h0sG3JAjeXINwPcg/4 F/VB9aQIEsnh34a6BP7z1o2BmIJUsiWDAK+PR4pT3YGRBBBSrXo8ejx3xf/LEPd8th aihAplo88iuIrbYap9C5cMTwR37imXUyh8wQelM41RebWBNroY2iVLk34j7HQjLYmv bOyHTux0bbMOg== Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org This series introduces the EMC clock scaling support for Tegra210. The new version has a significant change, which drops the EMC table bindings and replaces by memory region node of EMC table. And most of the comments in V1 have been addressed. Thanks. v4: * make sure the behavior is compatible with the case if the kernel uses the older DTB which doesn't have EMC node. * remove the EMC clock statistic data in EMC debug fs. Joseph Lo (8): dt-bindings: memory: tegra: Add external memory controller binding for Tegra210 clk: tegra: Add PLLP_UD and PLLMB_UD for Tegra210 clk: tegra: Export functions for EMC clock scaling memory: tegra: Add Tegra210 EMC clock driver memory: tegra: Add EMC scaling support code for Tegra210 memory: tegra: Add EMC scaling sequence code for Tegra210 clk: tegra: Remove the old emc_mux clock for Tegra210 arm64: tegra: Add external memory controller node for Tegra210 .../nvidia,tegra210-emc.txt | 55 + arch/arm64/boot/dts/nvidia/tegra210.dtsi | 33 + drivers/clk/tegra/clk-tegra210.c | 89 +- drivers/memory/tegra/Kconfig | 10 + drivers/memory/tegra/Makefile | 1 + drivers/memory/tegra/tegra210-emc-cc-r21021.c | 1953 ++++++++++++++++ drivers/memory/tegra/tegra210-emc.c | 2041 +++++++++++++++++ drivers/memory/tegra/tegra210-emc.h | 1031 +++++++++ include/dt-bindings/clock/tegra210-car.h | 4 +- include/linux/clk/tegra.h | 5 + include/soc/tegra/emc.h | 2 + 11 files changed, 5207 insertions(+), 17 deletions(-) create mode 100644 Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.txt create mode 100644 drivers/memory/tegra/tegra210-emc-cc-r21021.c create mode 100644 drivers/memory/tegra/tegra210-emc.c create mode 100644 drivers/memory/tegra/tegra210-emc.h