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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 00A30C677F5 for ; Sun, 7 Oct 2018 09:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5BEA20895 for ; Sun, 7 Oct 2018 09:40:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C5BEA20895 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=siol.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-clk-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728592AbeJGQrG (ORCPT ); Sun, 7 Oct 2018 12:47:06 -0400 Received: from mailoutvs7.siol.net ([185.57.226.198]:40162 "EHLO mail.siol.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728533AbeJGQrF (ORCPT ); Sun, 7 Oct 2018 12:47:05 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id 449255204AC; Sun, 7 Oct 2018 11:40:20 +0200 (CEST) X-Virus-Scanned: amavisd-new at psrvmta10.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta10.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 9yU0msLKzA-P; Sun, 7 Oct 2018 11:40:19 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id E1AB8520A87; Sun, 7 Oct 2018 11:40:19 +0200 (CEST) Received: from localhost.localdomain (cpe1-8-82.cable.triera.net [213.161.8.82]) (Authenticated sender: 031275009) by mail.siol.net (Postfix) with ESMTPSA id 745035204AC; Sun, 7 Oct 2018 11:40:17 +0200 (CEST) From: Jernej Skrabec To: maxime.ripard@bootlin.com, wens@csie.org Cc: robh+dt@kernel.org, sboyd@kernel.org, airlied@linux.ie, architt@codeaurora.org, a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, Icenowy Zheng Subject: [PATCH v2 25/29] drm: sun4i: add quirks for TCON TOP Date: Sun, 7 Oct 2018 11:39:01 +0200 Message-Id: <20181007093905.11253-26-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20181007093905.11253-1-jernej.skrabec@siol.net> References: <20181007093905.11253-1-jernej.skrabec@siol.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Icenowy Zheng Some SoCs, such as H6, doesn't have a full-featured TCON TOP. Add quirks support for TCON TOP. Currently the presence of TCON_TV1 and DSI is controlled via the quirks structure. Signed-off-by: Icenowy Zheng --- drivers/gpu/drm/sun4i/sun8i_tcon_top.c | 43 ++++++++++++++++++++------ 1 file changed, 34 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c b/drivers/gpu/drm/sun= 4i/sun8i_tcon_top.c index 37158548b447..ed13233cad88 100644 --- a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c +++ b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c @@ -9,11 +9,17 @@ #include #include #include +#include #include #include =20 #include "sun8i_tcon_top.h" =20 +struct sun8i_tcon_top_quirks { + bool has_tcon_tv1; + bool has_dsi; +}; + static bool sun8i_tcon_top_node_is_tcon_top(struct device_node *node) { return !!of_match_node(sun8i_tcon_top_of_table, node); @@ -121,10 +127,13 @@ static int sun8i_tcon_top_bind(struct device *dev, = struct device *master, struct platform_device *pdev =3D to_platform_device(dev); struct clk_hw_onecell_data *clk_data; struct sun8i_tcon_top *tcon_top; + const struct sun8i_tcon_top_quirks *quirks; struct resource *res; void __iomem *regs; int ret, i; =20 + quirks =3D of_device_get_match_data(&pdev->dev); + tcon_top =3D devm_kzalloc(dev, sizeof(*tcon_top), GFP_KERNEL); if (!tcon_top) return -ENOMEM; @@ -187,15 +196,23 @@ static int sun8i_tcon_top_bind(struct device *dev, = struct device *master, &tcon_top->reg_lock, TCON_TOP_TCON_TV0_GATE, 0); =20 - clk_data->hws[CLK_TCON_TOP_TV1] =3D - sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs, - &tcon_top->reg_lock, - TCON_TOP_TCON_TV1_GATE, 1); + if (quirks->has_tcon_tv1) { + clk_data->hws[CLK_TCON_TOP_TV1] =3D + sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs, + &tcon_top->reg_lock, + TCON_TOP_TCON_TV1_GATE, 1); + } else { + clk_data->hws[CLK_TCON_TOP_TV1] =3D NULL; + } =20 - clk_data->hws[CLK_TCON_TOP_DSI] =3D - sun8i_tcon_top_register_gate(dev, "dsi", regs, - &tcon_top->reg_lock, - TCON_TOP_TCON_DSI_GATE, 2); + if (quirks->has_dsi) { + clk_data->hws[CLK_TCON_TOP_DSI] =3D + sun8i_tcon_top_register_gate(dev, "dsi", regs, + &tcon_top->reg_lock, + TCON_TOP_TCON_DSI_GATE, 2); + } else { + clk_data->hws[CLK_TCON_TOP_DSI] =3D NULL; + } =20 for (i =3D 0; i < CLK_NUM; i++) if (IS_ERR(clk_data->hws[i])) { @@ -257,9 +274,17 @@ static int sun8i_tcon_top_remove(struct platform_dev= ice *pdev) return 0; } =20 +const struct sun8i_tcon_top_quirks sun8i_r40_tcon_top_quirks =3D { + .has_tcon_tv1 =3D true, + .has_dsi =3D true, +}; + /* sun4i_drv uses this list to check if a device node is a TCON TOP */ const struct of_device_id sun8i_tcon_top_of_table[] =3D { - { .compatible =3D "allwinner,sun8i-r40-tcon-top" }, + { + .compatible =3D "allwinner,sun8i-r40-tcon-top", + .data =3D &sun8i_r40_tcon_top_quirks + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sun8i_tcon_top_of_table); --=20 2.19.0