From patchwork Thu Jun 12 15:18:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 896212 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B24D32DCC15; Thu, 12 Jun 2025 15:20:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749741622; cv=none; b=t5iq+wUiMBuzRuWX+Skkbi2Us+Ud/PfPShK3uz4aWjeq2iEQCMARdSlNfN2qxUS5cMu3gHeB+0pvPx5P+Bs4XG44cCiC3Hgv3oh1VgEC46+ZFNiKRuz4h3uEAGKUVrRHp3QyHoJ762kDcRw67seVOl27Zo/usHVdghc1l1Ti++Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749741622; c=relaxed/simple; bh=YjHKXoGS9lM5GhA05KViUVsqZivIimAtQJUNBJMlZPA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=fj0rhaR5bTUqXWn36YtKzfbvrM9AOmq/1AAmdv18k9veMiVH/+XeS/ZZOXddepUmLxkcYSXIEcy2XiYXe0KM5zA6L73L1N6aAOxjJ0MjxgnH4676BMYw1ssJHRUXTBJ4hVBvyg9WImmAdOb9YgdfWAckYy0vOqKRqkTrF0R6ohM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=TRt79YF+; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="TRt79YF+" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 6F09525FB6; Thu, 12 Jun 2025 17:20:19 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id tcELlw7S0eog; Thu, 12 Jun 2025 17:20:18 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1749741613; bh=YjHKXoGS9lM5GhA05KViUVsqZivIimAtQJUNBJMlZPA=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=TRt79YF+PS3Os8Z++ofYAvsVOHcRXhlBRFiW1q9t4J7dZEHTujYCJnomfWyoeTNLr AmOZ0pRISL43vGHj51ZMNIaeG+gdG1MQIb1OpRE843BvVolFk2BzQXnJUIH+BXoKtw DOHMnYhHPafxht/8GoUqKb7u7iAiG91P3P9qVDdzEiiSXWGnXOVmml83wVDMufx+7s i5LoXXQuLBzPI9SpGVzihCvLqNOVpmfH01Oge4bGQVgOJh6ZUPyfMcvYyncagf9/Pr tDLr+ONs6FvgEMUuOZj43hzMdakkqbogMYUcs6yvyToyTg3NGY4xqZ/oiGSCWxFuu4 Mle7m1Clj0b1g== From: Kaustabh Chakraborty Date: Thu, 12 Jun 2025 20:48:15 +0530 Subject: [PATCH 11/12] drm/bridge: samsung-dsim: add driver support for exynos7870 DSIM bridge Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250612-exynos7870-dsim-v1-11-1a330bca89df@disroot.org> References: <20250612-exynos7870-dsim-v1-0-1a330bca89df@disroot.org> In-Reply-To: <20250612-exynos7870-dsim-v1-0-1a330bca89df@disroot.org> To: Inki Dae , Jagan Teki , Marek Szyprowski , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Kaustabh Chakraborty X-Developer-Signature: v=1; a=ed25519-sha256; t=1749741499; l=4373; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=YjHKXoGS9lM5GhA05KViUVsqZivIimAtQJUNBJMlZPA=; b=wGhAuhziFS6IYeZJ62M7MY8r4R43oQKU+dXrxo0McfmoMd1W5bQwl5Br2ZWQrb2l7EgzLO/+8 eJX20SR58v1AnwvB6rqDEiXnde4qSPvMJfi6nQw5xRQbGFjaWncQ6O+ X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= Add support for Exynos7870's DSIM IP block in the bridge driver. Signed-off-by: Kaustabh Chakraborty --- drivers/gpu/drm/bridge/samsung-dsim.c | 74 +++++++++++++++++++++++++++++++++++ include/drm/bridge/samsung-dsim.h | 1 + 2 files changed, 75 insertions(+) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 50dcdb9b81f68098936fbb3f121a0010b11cd8dd..446fe1f42d7f81986307891485805aacea55a1b9 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -311,6 +311,32 @@ static const unsigned int exynos5433_reg_ofs[] = { [DSIM_PHYTIMING2_REG] = 0xBC, }; +static const unsigned int exynos7870_reg_ofs[] = { + [DSIM_LINK_STATUS_REG] = 0x04, + [DSIM_DPHY_STATUS_REG] = 0x08, + [DSIM_SWRST_REG] = 0x0C, + [DSIM_CLKCTRL_REG] = 0x10, + [DSIM_TIMEOUT_REG] = 0x14, + [DSIM_ESCMODE_REG] = 0x1C, + [DSIM_MDRESOL_REG] = 0x20, + [DSIM_MVPORCH_REG] = 0x24, + [DSIM_MHPORCH_REG] = 0x28, + [DSIM_MSYNC_REG] = 0x2C, + [DSIM_CONFIG_REG] = 0x30, + [DSIM_INTSRC_REG] = 0x34, + [DSIM_INTMSK_REG] = 0x38, + [DSIM_PKTHDR_REG] = 0x3C, + [DSIM_PAYLOAD_REG] = 0x40, + [DSIM_RXFIFO_REG] = 0x44, + [DSIM_SFRCTRL_REG] = 0x48, + [DSIM_FIFOCTRL_REG] = 0x4C, + [DSIM_PLLCTRL_REG] = 0x94, + [DSIM_PHYCTRL_REG] = 0xA4, + [DSIM_PHYTIMING_REG] = 0xB4, + [DSIM_PHYTIMING1_REG] = 0xB8, + [DSIM_PHYTIMING2_REG] = 0xBC, +}; + enum reg_value_idx { RESET_TYPE, PLL_TIMER, @@ -383,6 +409,24 @@ static const unsigned int exynos5433_reg_values[] = { [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0c), }; +static const unsigned int exynos7870_reg_values[] = { + [RESET_TYPE] = DSIM_SWRST, + [PLL_TIMER] = 80000, + [STOP_STATE_CNT] = 0xa, + [PHYCTRL_ULPS_EXIT] = DSIM_PHYCTRL_ULPS_EXIT(0x177), + [PHYCTRL_VREG_LP] = 0, + [PHYCTRL_SLEW_UP] = 0, + [PHYTIMING_LPX] = DSIM_PHYTIMING_LPX(0x07), + [PHYTIMING_HS_EXIT] = DSIM_PHYTIMING_HS_EXIT(0x0c), + [PHYTIMING_CLK_PREPARE] = DSIM_PHYTIMING1_CLK_PREPARE(0x08), + [PHYTIMING_CLK_ZERO] = DSIM_PHYTIMING1_CLK_ZERO(0x2b), + [PHYTIMING_CLK_POST] = DSIM_PHYTIMING1_CLK_POST(0x0d), + [PHYTIMING_CLK_TRAIL] = DSIM_PHYTIMING1_CLK_TRAIL(0x09), + [PHYTIMING_HS_PREPARE] = DSIM_PHYTIMING2_HS_PREPARE(0x09), + [PHYTIMING_HS_ZERO] = DSIM_PHYTIMING2_HS_ZERO(0x0f), + [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0c), +}; + static const unsigned int imx8mm_dsim_reg_values[] = { [RESET_TYPE] = DSIM_SWRST, [PLL_TIMER] = 500, @@ -544,6 +588,35 @@ static const struct samsung_dsim_driver_data exynos5422_dsi_driver_data = { .min_freq = 500, }; +static const struct samsung_dsim_driver_data exynos7870_dsi_driver_data = { + .reg_ofs = exynos7870_reg_ofs, + .plltmr_reg = 0xa0, + .has_clklane_stop = 1, + .has_sfrctrl = 1, + .num_clks = 4, + .max_freq = 1500, + .wait_for_hdr_fifo = 0, + .wait_for_reset = 1, + .num_bits_resol = 12, + .video_mode_bit = 18, + .pll_stable_bit = 24, + .esc_clken_bit = 16, + .byte_clken_bit = 17, + .tx_req_hsclk_bit = 20, + .lane_esc_clk_bit = 8, + .lane_esc_data_offset = 9, + .pll_p_offset = 13, + .pll_m_offset = 3, + .pll_s_offset = 0, + .main_vsa_offset = 16, + .reg_values = exynos7870_reg_values, + .pll_fin_min = 6, + .pll_fin_max = 12, + .m_min = 41, + .m_max = 125, + .min_freq = 500, +}; + static const struct samsung_dsim_driver_data imx8mm_dsi_driver_data = { .reg_ofs = exynos5433_reg_ofs, .plltmr_reg = 0xa0, @@ -583,6 +656,7 @@ samsung_dsim_types[DSIM_TYPE_COUNT] = { [DSIM_TYPE_EXYNOS5410] = &exynos5_dsi_driver_data, [DSIM_TYPE_EXYNOS5422] = &exynos5422_dsi_driver_data, [DSIM_TYPE_EXYNOS5433] = &exynos5433_dsi_driver_data, + [DSIM_TYPE_EXYNOS7870] = &exynos7870_dsi_driver_data, [DSIM_TYPE_IMX8MM] = &imx8mm_dsi_driver_data, [DSIM_TYPE_IMX8MP] = &imx8mm_dsi_driver_data, }; diff --git a/include/drm/bridge/samsung-dsim.h b/include/drm/bridge/samsung-dsim.h index 2dd63032d83ab5df0e1780a692789c340c2126dc..842cbb44f5a803191a9b2f6252846bc8b848bb4f 100644 --- a/include/drm/bridge/samsung-dsim.h +++ b/include/drm/bridge/samsung-dsim.h @@ -29,6 +29,7 @@ enum samsung_dsim_type { DSIM_TYPE_EXYNOS5410, DSIM_TYPE_EXYNOS5422, DSIM_TYPE_EXYNOS5433, + DSIM_TYPE_EXYNOS7870, DSIM_TYPE_IMX8MM, DSIM_TYPE_IMX8MP, DSIM_TYPE_COUNT,