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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id i189-20020a6387c6000000b003aa4d010296si13947727pge.30.2022.05.02.18.21.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 May 2022 18:21:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=r0zn+wZ5; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E9AD61086; Mon, 2 May 2022 18:00:23 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384399AbiEBKGh (ORCPT + 99 others); Mon, 2 May 2022 06:06:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1384354AbiEBKG1 (ORCPT ); Mon, 2 May 2022 06:06:27 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3CB111165; Mon, 2 May 2022 03:02:47 -0700 (PDT) From: Viraj Shah DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1651485765; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=WHd3sYmGrhY6M+5FnEIdkE/HqreC6sBnMmlSZvNnFpc=; b=r0zn+wZ51sP9aEwYpzCnMZ0yX5wqsri6t4lYJ4cjqRNMGkYVvXQal3fSND4y5kmK1cojGm 3NgeN4bmU81hcmRsj8kE5ISxwFWZhNpe50dO0HA9+3AB4NEWeMengXhbce+HIBlNumilv/ 3rJNMZiQs8UdFvlggdMN0FLdKt1AuJq892vb/4xIgq1ehKr9M81Rm8Bt8AI4R0yN8dA62q I5Q0j4fs70EOEvtfEWcEJjjrQNuGeSkFDfNGjOw3/RhDPw44p79Cg1esfVrwfvHuEQcwRH xorQnPjcEjDzuui8HfdXRe+go2rwEbrukAyx4rDLyd4tOrjiB+pMPRCwEbig2w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1651485765; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=WHd3sYmGrhY6M+5FnEIdkE/HqreC6sBnMmlSZvNnFpc=; b=+vwnH20JgOmFpv2rtlYhJNjVvYFHRhxW0sK2xJEh1imI5MEzSPO2gOOL5a3By6P/N8y+uN l0wpjdogZs4Kc3Dw== To: shawnguo@kernel.org, s.hauer@pengutronix.de Cc: Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , NXP Linux Team , Lucas Stach , Peng Fan , Frieder Schrempf , Philipp Zabel , Dan Carpenter , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 0/4] imx8mm display controller power sequence Date: Mon, 2 May 2022 12:02:29 +0200 Message-Id: <20220502100233.6023-1-viraj.shah@linutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch queue addresses the power sequence of the display controller of the imx8mm SoC. The sequence mentioned in example code 5 in section 5.2.9.5 of reference manual imx-8MMini-yhsc.pdf was not being performed. This meant that the display controller was not coming up. Viraj Shah (4): soc: imx: gpcv2: Power sequence for DISP soc: imx: imx8m-blk-ctrl: Display Power ON sequence soc: imx: imx8m-blk-ctrl: Add reset bits for mipi dsi phy arm64: dts: imx8mm.dtsi: Add resets for dispmix power domain. arch/arm64/boot/dts/freescale/imx8mm.dtsi | 1 + drivers/soc/imx/gpcv2.c | 36 +++++++++++++++++++---- drivers/soc/imx/imx8m-blk-ctrl.c | 9 ++++-- 3 files changed, 38 insertions(+), 8 deletions(-) -- 2.20.1