From patchwork Tue Apr 16 05:52:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 1086071 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=mediatek.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44jvfv2Zgkz9s5c for ; Tue, 16 Apr 2019 15:53:11 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727783AbfDPFxE (ORCPT ); Tue, 16 Apr 2019 01:53:04 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:15449 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727232AbfDPFxD (ORCPT ); Tue, 16 Apr 2019 01:53:03 -0400 X-UUID: 0cb809a7fb9f405da8993ccb2a09acce-20190416 X-UUID: 0cb809a7fb9f405da8993ccb2a09acce-20190416 Received: from mtkcas34.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1885515486; Tue, 16 Apr 2019 13:52:51 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS33DR.mediatek.inc (172.27.6.106) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 16 Apr 2019 13:52:50 +0800 Received: from mszsdclx1018.gcn.mediatek.inc (172.27.4.253) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 16 Apr 2019 13:52:48 +0800 From: Jitao Shi To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , , David Airlie , Matthias Brugger CC: Jitao Shi , Thierry Reding , Ajay Kumar , Inki Dae , Rahul Sharma , Sean Paul , Vincent Palatin , Andy Yan , Philipp Zabel , Russell King , , , , , , , Sascha Hauer , , , , , , Subject: [v3 3/3] drm/mediatek: add mt8183 dpi support Date: Tue, 16 Apr 2019 13:52:42 +0800 Message-ID: <20190416055242.75764-4-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190416055242.75764-1-jitao.shi@mediatek.com> References: <20190416055242.75764-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dpi.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 66405159141a..fbb087218775 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -681,6 +681,16 @@ static unsigned int mt2701_calculate_factor(int clock) return 2; } +static unsigned int mt8183_calculate_factor(int clock) +{ + if (clock <= 27000) + return 8; + else if (clock <= 167000) + return 4; + else + return 2; +} + static const struct mtk_dpi_conf mt8173_conf = { .cal_factor = mt8173_calculate_factor, .reg_h_fre_con = 0xe0, @@ -692,6 +702,12 @@ static const struct mtk_dpi_conf mt2701_conf = { .edge_sel_en = true, }; +static const struct mtk_dpi_conf mt8183_conf = { + .cal_factor = mt8183_calculate_factor, + .reg_h_fre_con = 0xe0, + .dual_edge = true, +}; + static int mtk_dpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -787,6 +803,9 @@ static const struct of_device_id mtk_dpi_of_ids[] = { { .compatible = "mediatek,mt8173-dpi", .data = &mt8173_conf, }, + { .compatible = "mediatek,mt8183-dpi", + .data = &mt8183_conf, + }, { }, };