From patchwork Wed Mar 8 16:39:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 660942 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D97CCC6FD1E for ; Wed, 8 Mar 2023 16:40:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229497AbjCHQkj (ORCPT ); Wed, 8 Mar 2023 11:40:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbjCHQki (ORCPT ); Wed, 8 Mar 2023 11:40:38 -0500 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C390B9E308 for ; Wed, 8 Mar 2023 08:40:37 -0800 (PST) Received: by mail-pj1-x1032.google.com with SMTP id ce8-20020a17090aff0800b0023a61cff2c6so4131968pjb.0 for ; Wed, 08 Mar 2023 08:40:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1678293637; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=jgeRTDzvWlcFd73t/ENW9C7L9wpwOwUrVmn255HzLjQ=; b=lAOGtJmgz7dTiJ7CaN+ENZON61RvjcsM1n2GPM138hv1FUEkzI256t5bzcAyAtN8Hf OYOnbGuRb53BpHExelolqeynlpj/ZcYtdEDf0FoCLI9AWsc8EZF7g6VoCnTrWom3KE2J 58iEKJE5AOR+3GzYPFLtLY5s4Fq9HPKn/kGzo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678293637; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jgeRTDzvWlcFd73t/ENW9C7L9wpwOwUrVmn255HzLjQ=; b=v2Fl6XZmYROzu4T4WkzzXtRjBsYb24O/aDQHPi23KmlAT0AJAAyFb6MCN67CRfRvVp HaIyh1FjdY7rf8OYFHTiIB3TLENmd1oZMYYFz1r94gz4oSvduTjvvdQoA4TFv1hp5XU6 xac2Pjt/O0PIdglGN0lC9wboRF18uBTO841YRWjUDOWun2Yr70WqTufLEN08161VHVWs DwH/sYQcTw9KMtg2Qm5Jdu5MxyT6CeiPCiexeh12mcECJsWhfZPByfeL2UP1e20NnOjU f2Ql9jQRj0MFz27lyMBjrobQfJiTx+Zt0GdrFcavGCMhHifW6Q8RRPzA3jr9WVfjg4pt mzLA== X-Gm-Message-State: AO0yUKWfRZ84DhkCj2wN0txvsOHXuUfKDl6gouVdEMCqhnOyH1Cyxyaf 5QsiZV8193N3dDdOHDc2Iykx2w== X-Google-Smtp-Source: AK7set+wHGDiDcOW9PS+v7RynzDDWjrZOZuGSJtwXmiYKcLoW2/AF9UWR8m6jmBAls1FKi51w6DGqA== X-Received: by 2002:a17:903:2446:b0:19e:2c25:d65e with SMTP id l6-20020a170903244600b0019e2c25d65emr23524048pls.42.1678293637260; Wed, 08 Mar 2023 08:40:37 -0800 (PST) Received: from localhost.localdomain ([2405:201:c00a:a8a1:b545:91cc:80b2:f9fe]) by smtp.gmail.com with ESMTPSA id kq3-20020a170903284300b0019b9a075f1fsm10046540plb.80.2023.03.08.08.40.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Mar 2023 08:40:36 -0800 (PST) From: Jagan Teki To: Andrzej Hajda , Inki Dae , Marek Szyprowski , Neil Armstrong , Marek Vasut , Maxime Ripard Cc: Seung-Woo Kim , Kyungmin Park , Frieder Schrempf , Tim Harvey , Adam Ford , Matteo Lisi , dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-amarula , Jagan Teki Subject: [PATCH v16 03/16] drm: exynos: dsi: Mark PHY as optional Date: Wed, 8 Mar 2023 22:09:40 +0530 Message-Id: <20230308163953.28506-4-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230308163953.28506-1-jagan@amarulasolutions.com> References: <20230308163953.28506-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The same Samsung MIPI DSIM master can also be used in NXP's i.MX8M Mini/Nano/Plus SoC. In i.MX8M Mini/Nano/Plus SoC the DSI Phy requires a MIPI DPHY bit to reset in order to activate the PHY and that can be done via upstream i.MX8M blk-ctrl driver. So, mark the phy get as optional. Tested-by: Marek Szyprowski Reviewed-by: Frieder Schrempf Reviewed-by: Marek Vasut Signed-off-by: Jagan Teki --- Changes for v16: - collect TB from Marek S Changes for v15, v13, v12: - none Changes for v11: - collect Frieder RB Changes for v10: - add Plus in commit message - collect Marek RB Changes for v9, v8, v7, v6, v5, v4, v3, v2: - none Changes for v1: - new patch drivers/gpu/drm/exynos/exynos_drm_dsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index bb0d2502ea02..1615640e25d6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1732,7 +1732,7 @@ static int exynos_dsi_probe(struct platform_device *pdev) if (IS_ERR(dsi->reg_base)) return PTR_ERR(dsi->reg_base); - dsi->phy = devm_phy_get(dev, "dsim"); + dsi->phy = devm_phy_optional_get(dev, "dsim"); if (IS_ERR(dsi->phy)) { dev_info(dev, "failed to get dsim phy\n"); return PTR_ERR(dsi->phy);