From patchwork Sun Nov 4 18:27:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 10667073 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E490C1751 for ; Sun, 4 Nov 2018 18:42:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D6245296A9 for ; Sun, 4 Nov 2018 18:42:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CA75D296B3; Sun, 4 Nov 2018 18:42:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 76064296A9 for ; Sun, 4 Nov 2018 18:42:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 978626E072; Sun, 4 Nov 2018 18:42:22 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.siol.net (mailoutvs52.siol.net [185.57.226.243]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD5A46E02E for ; Sun, 4 Nov 2018 18:28:38 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id 49C7C52015C; Sun, 4 Nov 2018 19:28:37 +0100 (CET) X-Virus-Scanned: amavisd-new at psrvmta11.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta11.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id ygrmphSUTUlh; Sun, 4 Nov 2018 19:28:36 +0100 (CET) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id D1622520373; Sun, 4 Nov 2018 19:28:36 +0100 (CET) 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 B3AED521292; Sun, 4 Nov 2018 19:28:33 +0100 (CET) From: Jernej Skrabec To: maxime.ripard@bootlin.com, wens@csie.org Subject: [PATCH v3 24/28] drm: sun4i: add quirks for TCON TOP Date: Sun, 4 Nov 2018 19:27:01 +0100 Message-Id: <20181104182705.18047-25-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181104182705.18047-1-jernej.skrabec@siol.net> References: <20181104182705.18047-1-jernej.skrabec@siol.net> MIME-Version: 1.0 X-Mailman-Approved-At: Sun, 04 Nov 2018 18:42:21 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, jernej.skrabec@siol.net, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, airlied@linux.ie, linux-sunxi@googlegroups.com, robh+dt@kernel.org, Laurent.pinchart@ideasonboard.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Icenowy Zheng Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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. Acked-by: Maxime Ripard Signed-off-by: Icenowy Zheng [Fixed code style and removed unnecessary initialization] Signed-off-by: Jernej Skrabec --- drivers/gpu/drm/sun4i/sun8i_tcon_top.c | 37 +++++++++++++++++++------- 1 file changed, 28 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c index 37158548b447..e94e3fb1736b 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 #include "sun8i_tcon_top.h" +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 = 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; + quirks = of_device_get_match_data(&pdev->dev); + tcon_top = devm_kzalloc(dev, sizeof(*tcon_top), GFP_KERNEL); if (!tcon_top) return -ENOMEM; @@ -187,15 +196,17 @@ static int sun8i_tcon_top_bind(struct device *dev, struct device *master, &tcon_top->reg_lock, TCON_TOP_TCON_TV0_GATE, 0); - clk_data->hws[CLK_TCON_TOP_TV1] = - 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] = + sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs, + &tcon_top->reg_lock, + TCON_TOP_TCON_TV1_GATE, 1); - clk_data->hws[CLK_TCON_TOP_DSI] = - 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] = + sun8i_tcon_top_register_gate(dev, "dsi", regs, + &tcon_top->reg_lock, + TCON_TOP_TCON_DSI_GATE, 2); for (i = 0; i < CLK_NUM; i++) if (IS_ERR(clk_data->hws[i])) { @@ -257,9 +268,17 @@ static int sun8i_tcon_top_remove(struct platform_device *pdev) return 0; } +const struct sun8i_tcon_top_quirks sun8i_r40_tcon_top_quirks = { + .has_tcon_tv1 = true, + .has_dsi = 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[] = { - { .compatible = "allwinner,sun8i-r40-tcon-top" }, + { + .compatible = "allwinner,sun8i-r40-tcon-top", + .data = &sun8i_r40_tcon_top_quirks + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sun8i_tcon_top_of_table);