From patchwork Thu Nov 10 18:38:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 623565 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 CF955C43217 for ; Thu, 10 Nov 2022 18:41:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230117AbiKJSlm (ORCPT ); Thu, 10 Nov 2022 13:41:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229757AbiKJSll (ORCPT ); Thu, 10 Nov 2022 13:41:41 -0500 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B4151C916 for ; Thu, 10 Nov 2022 10:41:40 -0800 (PST) Received: by mail-pl1-x62e.google.com with SMTP id v17so2219711plo.1 for ; Thu, 10 Nov 2022 10:41:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; 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=hjviMJMFquemukmCld7+bjQzuHQnVpJu8jaKcC7GpZI=; b=Ga//SO59D/FZ3ZMvPhw7aIKdp3SD5kyDM8r/0wgCD+PGxyW94k8aBvdUvLFOlvxZN7 9flCohieYTsQRuNfBBqAdfRhqdqh6mbGW0FnTyDtcgqQq5YLl4pYKZ0y36zB9Cl3Uspc 8fWyZGqPW/wI6QvalCzmppT7JfbeOTGNsH2nY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=hjviMJMFquemukmCld7+bjQzuHQnVpJu8jaKcC7GpZI=; b=lM/BXhIin+geSTTAvNQyEx9p6vznmqoG5JsgSTy6zj3vQuPFgg//pkq5O4j1Wv5BEX bS5wZKuU8eU54Q/u6FoDyPZegybBlLNbEClngTGMThAhjHoA/RR0/UE2RyICW2LzqNMk 1kUlLxXTuUCscsuY6b38fkQJ17PPlo1BvWkVfhb9MzFaJriv7wwpw+XvG+UaP0GmgVZb qaUfObVAjQSAC/37mUTCdl1/xe3aPo7UHiJQ+LIb60/SJnn1xIF3Y2UNK55pojoBjY6k 6kGhKOuGA851kxrGjmcNLuY6DNt5yurFes4ufgxVfJzyD9pG1/OrY3SA7qMWS9wdz+BF 81fQ== X-Gm-Message-State: ACrzQf2D/DIRyxX0TlgixgfJU55H9SCFnMxlwaqPXR1vgfC3uEBc4r94 EYpZcUfPc3xEXMqFZph7irF+Fg== X-Google-Smtp-Source: AMsMyM62G2Bu5LjB28rVFcadyMjRfvRPcFOUpz+MGkWW/I4UyF3AihsG+9Fp9Ya11sr/ilyhZY/+jA== X-Received: by 2002:a17:90a:8c7:b0:214:e1:cad0 with SMTP id 7-20020a17090a08c700b0021400e1cad0mr52876577pjn.3.1668105700141; Thu, 10 Nov 2022 10:41:40 -0800 (PST) Received: from localhost.localdomain ([2405:201:c00a:a809:b5a4:486a:f07:f67e]) by smtp.gmail.com with ESMTPSA id c2-20020a170903234200b001869efb722csm11635627plh.215.2022.11.10.10.41.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Nov 2022 10:41:39 -0800 (PST) From: Jagan Teki To: Andrzej Hajda , Inki Dae , Marek Szyprowski , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Frieder Schrempf , Fancy Fang , Tim Harvey , Michael Nazzareno Trimarchi , Adam Ford , Neil Armstrong , Robert Foss , Laurent Pinchart , Tommaso Merciai , Marek Vasut Cc: Matteo Lisi , dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, NXP Linux Team , linux-amarula , Jagan Teki , Laurent Pinchart Subject: [PATCH v8 12/14] drm: bridge: samsung-dsim: Add i.MX8M Mini/Nano support Date: Fri, 11 Nov 2022 00:08:51 +0530 Message-Id: <20221110183853.3678209-13-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221110183853.3678209-1-jagan@amarulasolutions.com> References: <20221110183853.3678209-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Samsung MIPI DSIM master can also be found in i.MX8M Mini/Nano SoC. Add compatible and associated driver_data for it. v8: * fix and update the comment v7, v6: * none v3: * enable DSIM_QUIRK_FIXUP_SYNC_POL quirk v5: * [mszyprow] rebased and adjusted to the new driver initialization * drop quirk v4: * none v3: * enable DSIM_QUIRK_FIXUP_SYNC_POL quirk v2: * collect Laurent r-b v1: * none Reviewed-by: Laurent Pinchart Signed-off-by: Marek Szyprowski Signed-off-by: Jagan Teki --- drivers/gpu/drm/bridge/samsung-dsim.c | 44 +++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 65f7d8522bc1..41aa998f5bc4 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -360,6 +360,24 @@ static const unsigned int exynos5433_reg_values[] = { [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0c), }; +static const unsigned int imx8mm_dsim_reg_values[] = { + [RESET_TYPE] = DSIM_SWRST, + [PLL_TIMER] = 500, + [STOP_STATE_CNT] = 0xf, + [PHYCTRL_ULPS_EXIT] = 0, + [PHYCTRL_VREG_LP] = 0, + [PHYCTRL_SLEW_UP] = 0, + [PHYTIMING_LPX] = DSIM_PHYTIMING_LPX(0x06), + [PHYTIMING_HS_EXIT] = DSIM_PHYTIMING_HS_EXIT(0x0b), + [PHYTIMING_CLK_PREPARE] = DSIM_PHYTIMING1_CLK_PREPARE(0x07), + [PHYTIMING_CLK_ZERO] = DSIM_PHYTIMING1_CLK_ZERO(0x26), + [PHYTIMING_CLK_POST] = DSIM_PHYTIMING1_CLK_POST(0x0d), + [PHYTIMING_CLK_TRAIL] = DSIM_PHYTIMING1_CLK_TRAIL(0x08), + [PHYTIMING_HS_PREPARE] = DSIM_PHYTIMING2_HS_PREPARE(0x08), + [PHYTIMING_HS_ZERO] = DSIM_PHYTIMING2_HS_ZERO(0x0d), + [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0b), +}; + static const struct samsung_dsim_driver_data exynos3_dsi_driver_data = { .reg_ofs = exynos_reg_ofs, .plltmr_reg = 0x50, @@ -421,6 +439,22 @@ static const struct samsung_dsim_driver_data exynos5422_dsi_driver_data = { .reg_values = exynos5422_reg_values, }; +static const struct samsung_dsim_driver_data imx8mm_dsi_driver_data = { + .reg_ofs = exynos5433_reg_ofs, + .plltmr_reg = 0xa0, + .has_clklane_stop = 1, + .num_clks = 2, + .max_freq = 2100, + .wait_for_reset = 0, + .num_bits_resol = 12, + /* + * Unlike Exynos, PLL_P(PMS_P) offset 14 is used in i.MX8M Mini/Nano/Plus + * downstream driver - drivers/gpu/drm/bridge/sec-dsim.c + */ + .pll_p_offset = 14, + .reg_values = imx8mm_dsim_reg_values, +}; + static const struct samsung_dsim_driver_data * samsung_dsim_types[SAMSUNG_DSIM_TYPE_COUNT] = { [SAMSUNG_DSIM_TYPE_EXYNOS3250] = &exynos3_dsi_driver_data, @@ -428,6 +462,7 @@ samsung_dsim_types[SAMSUNG_DSIM_TYPE_COUNT] = { [SAMSUNG_DSIM_TYPE_EXYNOS5410] = &exynos5_dsi_driver_data, [SAMSUNG_DSIM_TYPE_EXYNOS5422] = &exynos5422_dsi_driver_data, [SAMSUNG_DSIM_TYPE_EXYNOS5433] = &exynos5433_dsi_driver_data, + [SAMSUNG_DSIM_TYPE_IMX8MM] = &imx8mm_dsi_driver_data, }; static inline struct samsung_dsim *host_to_dsi(struct mipi_dsi_host *h) @@ -1817,7 +1852,16 @@ const struct dev_pm_ops samsung_dsim_pm_ops = { }; EXPORT_SYMBOL_GPL(samsung_dsim_pm_ops); +static const struct samsung_dsim_plat_data samsung_dsim_imx8mm_pdata = { + .hw_type = SAMSUNG_DSIM_TYPE_IMX8MM, + .host_ops = &samsung_dsim_generic_host_ops, +}; + static const struct of_device_id samsung_dsim_of_match[] = { + { + .compatible = "fsl,imx8mm-mipi-dsim", + .data = &samsung_dsim_imx8mm_pdata, + }, { /* sentinel. */ } }; MODULE_DEVICE_TABLE(of, samsung_dsim_of_match);