From patchwork Tue Jan 22 08:58:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 10775089 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 9F7EA1390 for ; Tue, 22 Jan 2019 08:58:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 86FC92A522 for ; Tue, 22 Jan 2019 08:58:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7AAD42A555; Tue, 22 Jan 2019 08:58:38 +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,UNPARSEABLE_RELAY 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 53AF92A522 for ; Tue, 22 Jan 2019 08:58:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0AE956E2AD; Tue, 22 Jan 2019 08:58:35 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailgw02.mediatek.com (unknown [1.203.163.81]) by gabe.freedesktop.org (Postfix) with ESMTP id D93746E2AD for ; Tue, 22 Jan 2019 08:58:33 +0000 (UTC) X-UUID: f5c7b819a6cb43a4bd0230c9d2574c0a-20190122 X-UUID: f5c7b819a6cb43a4bd0230c9d2574c0a-20190122 Received: from mtkcas34.mediatek.inc [(172.27.4.250)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1435875539; Tue, 22 Jan 2019 16:58:25 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 22 Jan 2019 16:58:23 +0800 Received: from mszsdclx1018.gcn.mediatek.inc (10.16.6.18) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 22 Jan 2019 16:58:22 +0800 From: Jitao Shi To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , , David Airlie , Matthias Brugger Subject: [PATCH] pwm: Add MediaTek MT8183 display PWM driver support Date: Tue, 22 Jan 2019 16:58:18 +0800 Message-ID: <20190122085818.76051-1-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-MTK: N 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: stonea168@163.com, dri-devel@lists.freedesktop.org, Andy Yan , Ajay Kumar , Vincent Palatin , cawa.cheng@mediatek.com, Russell King , Thierry Reding , devicetree@vger.kernel.org, Jitao Shi , linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org, Rahul Sharma , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Sascha Hauer , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Use the mtk_pwm_data struction to define different registers and add MT8183 specific register operations, such as MT8183 doesn't have commit register, needs to disable double buffer before writing register, and needs to select commit mode and use PWM_PERIOD/PWM_HIGH_WIDTH. Signed-off-by: Jitao Shi --- drivers/pwm/pwm-mtk-disp.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index 893940d45f0d..15803c71fe80 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -277,10 +277,21 @@ static const struct mtk_pwm_data mt8173_pwm_data = { .commit_mask = 0x1, }; +static const struct mtk_pwm_data mt8183_pwm_data = { + .enable_mask = BIT(0), + .con0 = 0x18, + .con0_sel = 0x0, + .con1 = 0x1c, + .has_commit = false, + .bls_debug = 0x80, + .bls_debug_mask = 0x3, +}; + static const struct of_device_id mtk_disp_pwm_of_match[] = { { .compatible = "mediatek,mt2701-disp-pwm", .data = &mt2701_pwm_data}, { .compatible = "mediatek,mt6595-disp-pwm", .data = &mt8173_pwm_data}, { .compatible = "mediatek,mt8173-disp-pwm", .data = &mt8173_pwm_data}, + { .compatible = "mediatek,mt8183-disp-pwm", .data = &mt8183_pwm_data}, { } }; MODULE_DEVICE_TABLE(of, mtk_disp_pwm_of_match);