From patchwork Tue Oct 27 08:22:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ramuthevar, Vadivel MuruganX" X-Patchwork-Id: 310863 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C789EC55179 for ; Tue, 27 Oct 2020 08:23:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87B2321D24 for ; Tue, 27 Oct 2020 08:23:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2894650AbgJ0IXM (ORCPT ); Tue, 27 Oct 2020 04:23:12 -0400 Received: from mga01.intel.com ([192.55.52.88]:47682 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2894647AbgJ0IXM (ORCPT ); Tue, 27 Oct 2020 04:23:12 -0400 IronPort-SDR: 3VRgAYLVkZTfLS1maLb+LdadPml/Kmzo9+4jnFzG4Ro7K4APosbQ40NH2hMK/dSrpIgfPlNdqX zXILJhE1vmPw== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="185782959" X-IronPort-AV: E=Sophos;i="5.77,423,1596524400"; d="scan'208";a="185782959" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2020 01:23:11 -0700 IronPort-SDR: Q9kJVzpI1fx3BiWqZqbkT5WhiW6XzkO6gQ8VYzSftKrIwRaGXiKcaaX2pOb39+E2efuEX7GUl2 Kw4DKyAhx7Fw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,423,1596524400"; d="scan'208";a="350440369" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by fmsmga004.fm.intel.com with ESMTP; 27 Oct 2020 01:22:58 -0700 From: "Ramuthevar,Vadivel MuruganX" To: broonie@kernel.org, vigneshr@ti.com, tudor.ambarus@microchip.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, miquel.raynal@bootlin.com, simon.k.r.goldschmidt@gmail.com, dinguyen@kernel.org, richard@nod.at, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, Ramuthevar Vadivel Murugan Subject: [PATCH v4 1/6] spi: cadence-quadspi: Add QSPI support for Intel LGM SoC Date: Tue, 27 Oct 2020 16:22:46 +0800 Message-Id: <20201027082251.30056-2-vadivel.muruganx.ramuthevar@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20201027082251.30056-1-vadivel.muruganx.ramuthevar@linux.intel.com> References: <20201027082251.30056-1-vadivel.muruganx.ramuthevar@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ramuthevar Vadivel Murugan Add QSPI controller support for Intel LGM SoC. Signed-off-by: Ramuthevar Vadivel Murugan --- drivers/spi/Kconfig | 2 +- drivers/spi/spi-cadence-quadspi.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index d2c976e55b8b..926da61eee5a 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -203,7 +203,7 @@ config SPI_CADENCE config SPI_CADENCE_QUADSPI tristate "Cadence Quad SPI controller" - depends on OF && (ARM || ARM64 || COMPILE_TEST) + depends on OF && (ARM || ARM64 || X86 || COMPILE_TEST) help Enable support for the Cadence Quad SPI Flash controller. diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 40938cf3806d..d7b10c46fa70 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1401,6 +1401,9 @@ static const struct of_device_id cqspi_dt_ids[] = { .compatible = "ti,am654-ospi", .data = &am654_ospi, }, + { + .compatible = "intel,lgm-qspi", + }, { /* end of table */ } }; From patchwork Tue Oct 27 08:22:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ramuthevar, Vadivel MuruganX" X-Patchwork-Id: 310864 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3A30C388F9 for ; Tue, 27 Oct 2020 08:23:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7898A22202 for ; Tue, 27 Oct 2020 08:23:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2894690AbgJ0IXW (ORCPT ); Tue, 27 Oct 2020 04:23:22 -0400 Received: from mga01.intel.com ([192.55.52.88]:47682 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2894652AbgJ0IXN (ORCPT ); Tue, 27 Oct 2020 04:23:13 -0400 IronPort-SDR: 1gpT3vmYdwRnw1VT5VGmBJdljYWqBUwIN7u6ryRy2owPbuHu4LK8OEfvexblyGTQgMwj6eEDFT 8RkawDB6p+NQ== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="185782960" X-IronPort-AV: E=Sophos;i="5.77,423,1596524400"; d="scan'208";a="185782960" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2020 01:23:11 -0700 IronPort-SDR: CdsRoOI7usXtnfxyGZOX6YNZHAnyllx1Q5X2u6JanXybJl5GtudUlSTsWdYmh0L35/q2ljvMOU xDQiLUgSU80Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,423,1596524400"; d="scan'208";a="303686745" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by fmsmga008.fm.intel.com with ESMTP; 27 Oct 2020 01:23:03 -0700 From: "Ramuthevar,Vadivel MuruganX" To: broonie@kernel.org, vigneshr@ti.com, tudor.ambarus@microchip.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, miquel.raynal@bootlin.com, simon.k.r.goldschmidt@gmail.com, dinguyen@kernel.org, richard@nod.at, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, Ramuthevar Vadivel Murugan Subject: [PATCH v4 2/6] spi: cadence-quadspi: Disable the DAC for Intel LGM SoC Date: Tue, 27 Oct 2020 16:22:47 +0800 Message-Id: <20201027082251.30056-3-vadivel.muruganx.ramuthevar@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20201027082251.30056-1-vadivel.muruganx.ramuthevar@linux.intel.com> References: <20201027082251.30056-1-vadivel.muruganx.ramuthevar@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ramuthevar Vadivel Murugan On Intel Lightning Mountain(LGM) SoCs QSPI controller do not use Direct Access Controller(DAC). This patch adds a quirk to disable the Direct Access Controller for data transfer instead it uses indirect data transfer. Signed-off-by: Ramuthevar Vadivel Murugan --- drivers/spi/spi-cadence-quadspi.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index d7b10c46fa70..6d6f7c440ece 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1107,6 +1107,13 @@ static void cqspi_controller_init(struct cqspi_st *cqspi) writel(reg, cqspi->iobase + CQSPI_REG_CONFIG); cqspi_controller_enable(cqspi, 1); + + /* Disable direct access controller */ + if (!cqspi->use_direct_mode) { + reg = readl(cqspi->iobase + CQSPI_REG_CONFIG); + reg &= ~CQSPI_REG_CONFIG_ENB_DIR_ACC_CTRL; + writel(reg, cqspi->iobase + CQSPI_REG_CONFIG); + } } static int cqspi_request_mmap_dma(struct cqspi_st *cqspi) @@ -1388,6 +1395,10 @@ static const struct cqspi_driver_platdata am654_ospi = { .quirks = CQSPI_NEEDS_WR_DELAY, }; +static const struct cqspi_driver_platdata intel_lgm_qspi = { + .quirks = CQSPI_DISABLE_DAC_MODE, +}; + static const struct of_device_id cqspi_dt_ids[] = { { .compatible = "cdns,qspi-nor", @@ -1403,6 +1414,7 @@ static const struct of_device_id cqspi_dt_ids[] = { }, { .compatible = "intel,lgm-qspi", + .data = &intel_lgm_qspi, }, { /* end of table */ } }; From patchwork Tue Oct 27 08:22:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ramuthevar, Vadivel MuruganX" X-Patchwork-Id: 310865 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,TVD_SPACE_RATIO,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F960C4363A for ; Tue, 27 Oct 2020 08:23:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC37422282 for ; Tue, 27 Oct 2020 08:23:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2894669AbgJ0IXQ (ORCPT ); Tue, 27 Oct 2020 04:23:16 -0400 Received: from mga18.intel.com ([134.134.136.126]:52687 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2894646AbgJ0IXQ (ORCPT ); Tue, 27 Oct 2020 04:23:16 -0400 IronPort-SDR: 0G3y2ditZC2gk+iXJIVMKVSOV/NPXOdsZKqN0Xh2yBDkaAHby3CASe+GtiWf3BeTBfH3fYXoio Y89+SJwEa6VQ== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="155823505" X-IronPort-AV: E=Sophos;i="5.77,423,1596524400"; d="scan'208";a="155823505" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2020 01:23:15 -0700 IronPort-SDR: slmevTKKKwFjvyNipLi2JDyZQN1yfTz55q6opxQWlN3P8KIoHblcrt24I5RpEOt3MJc8OgE3e/ SpaHuzf6ZIBw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,423,1596524400"; d="scan'208";a="350201602" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by orsmga008.jf.intel.com with ESMTP; 27 Oct 2020 01:23:12 -0700 From: "Ramuthevar,Vadivel MuruganX" To: broonie@kernel.org, vigneshr@ti.com, tudor.ambarus@microchip.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, miquel.raynal@bootlin.com, simon.k.r.goldschmidt@gmail.com, dinguyen@kernel.org, richard@nod.at, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, Ramuthevar Vadivel Murugan Subject: [PATCH v4 4/6] spi: Move cadence-quadspi.txt to Documentation/devicetree/bindings/spi Date: Tue, 27 Oct 2020 16:22:49 +0800 Message-Id: <20201027082251.30056-5-vadivel.muruganx.ramuthevar@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20201027082251.30056-1-vadivel.muruganx.ramuthevar@linux.intel.com> References: <20201027082251.30056-1-vadivel.muruganx.ramuthevar@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ramuthevar Vadivel Murugan Move the Documentation/devicetree/bindings/mtd/cadence-quadspi.txt to Documentation/devicetree/bindings/spi/ Signed-off-by: Ramuthevar Vadivel Murugan Acked-by: Rob Herring --- Documentation/devicetree/bindings/{mtd => spi}/cadence-quadspi.txt | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename Documentation/devicetree/bindings/{mtd => spi}/cadence-quadspi.txt (100%) diff --git a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt b/Documentation/devicetree/bindings/spi/cadence-quadspi.txt similarity index 100% rename from Documentation/devicetree/bindings/mtd/cadence-quadspi.txt rename to Documentation/devicetree/bindings/spi/cadence-quadspi.txt