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,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 364DAECE562 for ; Fri, 21 Sep 2018 03:29:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EF9AB21545 for ; Fri, 21 Sep 2018 03:29:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EF9AB21545 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389260AbeIUJQD (ORCPT ); Fri, 21 Sep 2018 05:16:03 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:17142 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2389112AbeIUJP0 (ORCPT ); Fri, 21 Sep 2018 05:15:26 -0400 X-UUID: 25d5f86e5cf64cbbba4a45ba0ee1e8c9-20180921 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 231677273; Fri, 21 Sep 2018 11:28:33 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 21 Sep 2018 11:28:26 +0800 Received: from mtkslt209.mediatek.inc (10.21.15.96) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Fri, 21 Sep 2018 11:28:26 +0800 From: Bibby Hsieh To: David Airlie , Matthias Brugger , Daniel Vetter , , CC: Yingjoe Chen , Cawa Cheng , Daniel Kurtz , Bibby Hsieh , Philipp Zabel , YT Shen , Thierry Reding , CK Hu , Mao Huang , , , Sascha Hauer , chunhui dai Subject: [PATCH v3 06/12] drm/mediatek: add dpi driver for mt2701 and mt7623 Date: Fri, 21 Sep 2018 11:28:16 +0800 Message-ID: <20180921032822.30771-7-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.12.5.2.gbdf23ab In-Reply-To: <20180921032822.30771-1-bibby.hsieh@mediatek.com> References: <20180921032822.30771-1-bibby.hsieh@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 3D0511E19037F0F990DBDDFC9F0C02ACAA400706D7D457F5AB3A2B4E4610EB142000:8 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. 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 7a4868a0afec..a9d8231a0a9e 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -688,11 +688,29 @@ 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; @@ -784,6 +802,9 @@ 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", -- 2.12.5.2.gbdf23ab