From patchwork Fri Oct 30 05:31:49 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: 315487 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=ham 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 65C25C56202 for ; Fri, 30 Oct 2020 05:32:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1ACF4206D9 for ; Fri, 30 Oct 2020 05:32:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725847AbgJ3FcI (ORCPT ); Fri, 30 Oct 2020 01:32:08 -0400 Received: from mga12.intel.com ([192.55.52.136]:35925 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725767AbgJ3FcI (ORCPT ); Fri, 30 Oct 2020 01:32:08 -0400 IronPort-SDR: 0kDXaqEaOn0L9kJWxiZtcNyN4RB+kRi8lzQEK7D/Xlri35V8a6zmW6z4yl9KH6ydW3oOmIceV7 ywzQQlkxkcKw== X-IronPort-AV: E=McAfee;i="6000,8403,9789"; a="147846533" X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="147846533" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2020 22:32:07 -0700 IronPort-SDR: O3lhJVeeJ7vPZ8Sh8akdfcxnjpnulVuIeuEysl/LbitlD0brJrTwN4zDLcAYxopsDvLeB2PyAI RsoXA8pDGIPw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="525788551" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by fmsmga006.fm.intel.com with ESMTP; 29 Oct 2020 22:32:04 -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 v6 2/6] spi: cadence-quadspi: Disable the DAC for Intel LGM SoC Date: Fri, 30 Oct 2020 13:31:49 +0800 Message-Id: <20201030053153.5319-3-vadivel.muruganx.ramuthevar@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20201030053153.5319-1-vadivel.muruganx.ramuthevar@linux.intel.com> References: <20201030053153.5319-1-vadivel.muruganx.ramuthevar@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-spi@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 Fri Oct 30 05:31:51 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: 315486 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 DC527C56202 for ; Fri, 30 Oct 2020 05:32:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 94199206D9 for ; Fri, 30 Oct 2020 05:32:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725852AbgJ3FcS (ORCPT ); Fri, 30 Oct 2020 01:32:18 -0400 Received: from mga01.intel.com ([192.55.52.88]:21918 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725770AbgJ3FcR (ORCPT ); Fri, 30 Oct 2020 01:32:17 -0400 IronPort-SDR: dacPLHBxmffpQxh5ubcSEA3Dm1jquGX8/63mKK302mBnUVZ6viGCqmEG0FMsEI3LmsE2U3Jzfk lyb/GPnInr4Q== X-IronPort-AV: E=McAfee;i="6000,8403,9789"; a="186364246" X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="186364246" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2020 22:32:17 -0700 IronPort-SDR: 71m9rRnT3TNx4L1wpIVgyEFWEM9Kc/Ls1Xk2XdzhE2YqBU+PRsMIZZ/mm0+YnTz3vtlXFm5H52 wuH+dEh5fHDQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="323963538" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by orsmga006.jf.intel.com with ESMTP; 29 Oct 2020 22:32:13 -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 v6 4/6] spi: Move cadence-quadspi.txt to Documentation/devicetree/bindings/spi Date: Fri, 30 Oct 2020 13:31:51 +0800 Message-Id: <20201030053153.5319-5-vadivel.muruganx.ramuthevar@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20201030053153.5319-1-vadivel.muruganx.ramuthevar@linux.intel.com> References: <20201030053153.5319-1-vadivel.muruganx.ramuthevar@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-spi@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 From patchwork Fri Oct 30 05:31:53 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: 315485 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=ham 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 AFC12C5DF9D for ; Fri, 30 Oct 2020 05:32:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69A30206D9 for ; Fri, 30 Oct 2020 05:32:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725823AbgJ3Fc1 (ORCPT ); Fri, 30 Oct 2020 01:32:27 -0400 Received: from mga04.intel.com ([192.55.52.120]:61859 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725770AbgJ3Fc0 (ORCPT ); Fri, 30 Oct 2020 01:32:26 -0400 IronPort-SDR: 42WMw8LFRHiPQ70wWu7pa5VQDUA8wB29/YECtIGGbBRe3pDrdT3FydBstnZzfXoqFQQR7Zapzp TOp1evjn2yRw== X-IronPort-AV: E=McAfee;i="6000,8403,9789"; a="165976188" X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="165976188" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2020 22:32:25 -0700 IronPort-SDR: NWs9Q8VmVpxIheP/Tu38N6u4ZktSaauS4I6q7gAyFXiEKZ5Qx8eIXeFAxZ8vLmUNLSzmwDVzuJ WSNXFVTcvHWA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,432,1596524400"; d="scan'208";a="395395123" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by orsmga001.jf.intel.com with ESMTP; 29 Oct 2020 22:32:21 -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 v6 6/6] dt-bindings: spi: Add compatible for Intel LGM SoC Date: Fri, 30 Oct 2020 13:31:53 +0800 Message-Id: <20201030053153.5319-7-vadivel.muruganx.ramuthevar@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20201030053153.5319-1-vadivel.muruganx.ramuthevar@linux.intel.com> References: <20201030053153.5319-1-vadivel.muruganx.ramuthevar@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Ramuthevar Vadivel Murugan Add compatible for Intel LGM SoC. Signed-off-by: Ramuthevar Vadivel Murugan --- Documentation/devicetree/bindings/spi/cadence-quadspi.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml b/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml index ec22b040d804..58ecdab939df 100644 --- a/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml +++ b/Documentation/devicetree/bindings/spi/cadence-quadspi.yaml @@ -19,6 +19,7 @@ properties: - enum: - ti,k2g-qspi - ti,am654-ospi + - intel,lgm-qspi - const: cdns,qspi-nor reg: