From patchwork Wed Apr 29 20:46:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Priit Laes X-Patchwork-Id: 201353 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 12C59C83000 for ; Wed, 29 Apr 2020 20:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DAFA3214AF for ; Wed, 29 Apr 2020 20:46:51 +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="hk/9t7lg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727781AbgD2Uqv (ORCPT ); Wed, 29 Apr 2020 16:46:51 -0400 Received: from plaes.org ([188.166.43.21]:35014 "EHLO plaes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727027AbgD2Uqv (ORCPT ); Wed, 29 Apr 2020 16:46:51 -0400 Received: from localhost (unknown [IPv6:2001:1530:1000:d397:940e:6b9e:3deb:3]) by plaes.org (Postfix) with ESMTPSA id 8259C40020; Wed, 29 Apr 2020 20:46:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=plaes.org; s=mail; t=1588193178; bh=Rqs4HjYcziWdoELVeMyrIuXF1YyfE34PXc+elobZQps=; h=From:To:Cc:Subject:Date:From; b=hk/9t7lgfmJHTxXPfraMm8glNpLJjruhcgVLxCg+WeYERuAqjqsEgY4SBIrC2UgJg aMqL3gounEr6LZcNMNSXqtMlkkHoka0CH+yG0F8G7OjCdYB1qMHbSrHIwhE28coN6e oskYJmr734Hd7fm+p3ih2cj4TuZLklnnpyRLPrIe6vXifYU0/7n1GWQtQRwLpJnFIj BV5pGrKa3BL8TKh10ZjEQO8jqT1gP+oRvbPLDi306XjHb1xgGs8mqHKrkD77ASJ/TC idigqFGCLqhCyJVFcsxU+kjR2xD/3H/D0DM4cVbjkQuWGlmmwOqfVO+BRUfT+7JsB8 aH5uFMc4SarWw== 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: Convert A20/A31 GMAC driver to use CCU Date: Wed, 29 Apr 2020 23:46:06 +0300 Message-Id: <20200429204612.31883-1-plaes@plaes.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This serie converts Allwinner A20 and A31 GMAC driver to CCU while still retaining compatibility with existing devicetrees. This patchset touches 3 areas: - sun7i and sun6i CCUs now set up regmap to allow dwmac-sunxi driver to properly access the GMAC clock register. - dwmac-sunxi can now handle syscon-based clock register to handle clock itself. - sun7i and sun6i devicetrees are converted to use the new syscon-based access. 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 | 60 +++++++- drivers/clk/sunxi-ng/ccu-sun6i-a31.c | 60 +++++++- .../net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 130 ++++++++++++++++-- 6 files changed, 258 insertions(+), 78 deletions(-)