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=-2.5 required=3.0 tests=DKIM_ADSP_ALL,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no 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 B5A81C8300B for ; Thu, 30 Apr 2020 11:57:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A5842082E for ; Thu, 30 Apr 2020 11:57:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=plaes.org header.i=@plaes.org header.b="PZnDZsL8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726799AbgD3L5J (ORCPT ); Thu, 30 Apr 2020 07:57:09 -0400 Received: from plaes.org ([188.166.43.21]:37004 "EHLO plaes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726481AbgD3L5J (ORCPT ); Thu, 30 Apr 2020 07:57:09 -0400 Received: from localhost (unknown [IPv6:2001:1530:1000:d397:940e:6b9e:3deb:3]) by plaes.org (Postfix) with ESMTPSA id BE84340020; Thu, 30 Apr 2020 11:57:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=plaes.org; s=mail; t=1588247827; bh=9ytpHlutDRoUSh496p21AHYxrRL9x3p+AfLf7VwScpI=; h=From:To:Cc:Subject:Date:From; b=PZnDZsL8HLNYJpzeW6lPXaNSKVBxBuZWZn3UyrJxNKlokN2Ckj0PNMi7/J06UfrNz UEMk1fD0LJQDrOWRTWk631RYhGm1SSrl3FLiC8nsgz4EZ7TdiD8rDT7skIjmgNLgg9 RkdSJiYvge5C4GeEKMGXZRLBHZqllnkcTxAlMqlnDXsDwob+6p2QZrCNGHQ9xBs24C PgPxhhTcbHyi00zbWuQIXjldu8/ayw6NeB4uwMBrHeKCiKXJpj5tITfc46Ep4zTSyi akHL875ivcDwCWMO2LPDDb4qAfpVDiqdY8y+iUfCP8xGs7Kddzt+XZA8PoqkNmin1u fK+U8KiV2hkDw== From: Priit Laes To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-sunxi@googlegroups.com Cc: Priit Laes Subject: [PATCH v2 0/6] ARM: sunxi: Clean up sun7i-a20-gmac-clk usage Date: Thu, 30 Apr 2020 14:56:56 +0300 Message-Id: <20200430115702.5768-1-plaes@plaes.org> X-Mailer: git-send-email 2.26.2 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 This serie implements syscon-based regmap access to dwmac-sunxi driver, allowing to deprecate the allwinner,sun7i-a20-gmac-clk clock driver. In order to register regmap, we firstly need to change existing clock setups (sun7i-a20 and sun6i-a31) from CLK_OF_DECLARE to CLK_OF_DECLARE_DRIVER to allow probing the same driver again via the platform driver framework. This patchset touches 3 areas: - sun7i and sun6i CCUs now set up regmap to allow dwmac-sunxi driver to access GMAC clock register. - dwmac-sunxi can now handle syscon-based clock register to handle its own clock. - sun7i and sun6i devicetrees are converted to use the new syscon-based access. After this patchset: - sun7i-a20 works fully without legacy sunxi clocks (CLK_SUNXI) - only sun9i-a80 SoC remains as a single sun7i-a20-gmac-clk user. Please note that sun6i-a31 changes are only build-tested, as I lack the hardware to test this. Changes since v2: * Fix broken sun6i-a31 CCU patch. * Rename series to "Clean up sun7i-a20-gmac-clk usage" Changes since v1: * Use CLK_OF_DECLARE_DRIVER to make it possible to probe again and set up regmap using platform device probe. * Clarify the meaning of "legacy" in dwmac-sunxi driver. * Make sure we don't mess with the RX/TX delay settings when updating clock registers. * Update devicetree bindings * Add sun6i-A31 support. (not tested due to lack of hardware) Priit Laes (6): clk: sunxi-ng: a20: Register regmap for sun7i CCU clk: sunxi-ng: a31: Register regmap for sun6i CCU net: stmmac: dwmac-sunxi: Implement syscon-based clock handling dt-bindings: net: sun7i-gmac: Add syscon support ARM: dts: sun7i: Use syscon-based implementation for gmac ARM: dts: sun6i: Use syscon-based implementation for gmac .../net/allwinner,sun7i-a20-gmac.yaml | 15 +- arch/arm/boot/dts/sun6i-a31.dtsi | 35 +---- arch/arm/boot/dts/sun7i-a20.dtsi | 36 +---- drivers/clk/sunxi-ng/ccu-sun4i-a10.c | 62 ++++++++- drivers/clk/sunxi-ng/ccu-sun6i-a31.c | 62 ++++++++- .../net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 130 ++++++++++++++++-- 6 files changed, 261 insertions(+), 79 deletions(-) -- 2.26.2