From patchwork Tue Oct 2 08:10:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibby Hsieh X-Patchwork-Id: 10623197 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 96B0B112B for ; Tue, 2 Oct 2018 08:13:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8313528703 for ; Tue, 2 Oct 2018 08:13:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7732D2873D; Tue, 2 Oct 2018 08:13:44 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0CB0B2871F for ; Tue, 2 Oct 2018 08:13:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZIQPPmG+Mn39/KeYJYWAJgc0eGpBEhJaL/cuznOZu8I=; b=DncQZcHKj8x4cm 1SfiEX1MmlVDrbjWd2NkfW6ZD7IIJ2TwIbkZixn03oT7hM0Yx+MUrshWTXCqW278v8vaPL+kgm8ud f6+f9fBexy923NMvUIuITdE6exhbrG0p9eGyPInzT5l/NQWY8nTZwQpIazxqA3Z8bc155mfsER0Da tJnzoO/ZkEVrCvHPhGJQHgnNuFCesiKNsCJJCZ+zVlIZRB4iaheTQ51uD0ycudTUS/xuwzP+1Vcxx UCflt3E0BGR5jjIYNkDDr8DmW2y1H5fiIM8hNkB+aYXN09An5quZ81arldGJ/Zpl9YipB9K0/B8os x+mFByHlo2j61wCFDzEA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g7Fo9-0004fg-Ad; Tue, 02 Oct 2018 08:13:29 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g7Flw-0003RQ-Rr; Tue, 02 Oct 2018 08:11:39 +0000 X-UUID: 163bf85dc6cf48f093b39b5b4496ead6-20181002 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 2005529290; Tue, 02 Oct 2018 16:10:46 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 2 Oct 2018 16:10:44 +0800 Received: from mtkslt209.mediatek.inc (10.21.15.96) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 2 Oct 2018 16:10:45 +0800 From: Bibby Hsieh To: David Airlie , Matthias Brugger , Daniel Vetter , , Subject: [PATCH v4 06/11] drm/mediatek: add dpi driver for mt2701 and mt7623 Date: Tue, 2 Oct 2018 16:10:36 +0800 Message-ID: <20181002081041.32629-7-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.12.5.2.gbdf23ab In-Reply-To: <20181002081041.32629-1-bibby.hsieh@mediatek.com> References: <20181002081041.32629-1-bibby.hsieh@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 3484D0DDAE76C519115847182370FDFEFEEA023ADD3D691AC8AD93DEAF7104972000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181002_011113_050676_7A373DE8 X-CRM114-Status: GOOD ( 10.16 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bibby Hsieh , chunhui dai , linux-kernel@vger.kernel.org, Cawa Cheng , Mao Huang , CK Hu , Thierry Reding , Philipp Zabel , Yingjoe Chen , Sascha Hauer , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: chunhui dai This patch adds dpi dirver suppot for both mt2701 and mt7623. And also support other (existing or future) chips that use the same binding and driver. Reviewed-by: CK Hu Signed-off-by: chunhui dai --- drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ 2 files changed, 23 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 08915e1765f8..62a9d47df948 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -659,11 +659,29 @@ static unsigned int mt8173_calculate_factor(int clock) return 3 << 1; } +static unsigned int mt2701_calculate_factor(int clock) +{ + if (clock <= 64000) + return 16; + else if (clock <= 128000) + return 8; + else if (clock <= 256000) + return 4; + else + return 2; +} + static const struct mtk_dpi_conf mt8173_conf = { .cal_factor = mt8173_calculate_factor, .reg_h_fre_con = 0xe0, }; +static const struct mtk_dpi_conf mt2701_conf = { + .cal_factor = mt2701_calculate_factor, + .reg_h_fre_con = 0xb0, + .edge_sel_en = true, +}; + static int mtk_dpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -753,6 +771,9 @@ static int mtk_dpi_remove(struct platform_device *pdev) } static const struct of_device_id mtk_dpi_of_ids[] = { + { .compatible = "mediatek,mt2701-dpi", + .data = &mt2701_conf, + }, { .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf, }, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 39721119713b..d961112fa2f5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8173-dsi", .data = (void *)MTK_DSI }, + { .compatible = "mediatek,mt2701-dpi", + .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt8173-dpi", .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt2701-disp-mutex",