From patchwork Fri May 26 06:25:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 13256441 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B4D72C7EE23 for ; Fri, 26 May 2023 06:26:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zYyUw4o+roYSVyWE9a+F6Mo1HPgZG5gehAbYs9wTTNE=; b=UnWDf/18EUpU+o Yjt6fRc8n30wBpCQ7TRP69YJn/DRQo7aFKf9Cmik4ppAUSFEfzpVMvUjLMnrRHI4nQmCDl18ZvrsX eX8OGP4ohjGYm8SpQpJtcxuRz9w2ojiXzI7RxlzWEOloVtfK7wF5qtE5nPKNX9TpIQ6qJf8ujVapl fATwLPeudTYQljORahY7YkZcQ+slUx939mk44Uk3+Q6oAXxMSmro8BiyltpEjVdoYiZDVUq8rfR3X N92iikGoFKzVJx0dMUwpsLBawzu2ddRuXQ0ssxGa4P0aytgL7D8IUrz5z6KR//eeOYN1adnzc4xQd fPB2zMW9zdlbrzBcnF5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q2Qu4-001FKu-0e; Fri, 26 May 2023 06:26:20 +0000 Received: from ex01.ufhost.com ([61.152.239.75]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q2Qu0-001FEY-21 for linux-riscv@lists.infradead.org; Fri, 26 May 2023 06:26:18 +0000 Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id 4F5AC24E1BE; Fri, 26 May 2023 14:25:32 +0800 (CST) Received: from EXMBX168.cuchost.com (172.16.6.78) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 26 May 2023 14:25:32 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX168.cuchost.com (172.16.6.78) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 26 May 2023 14:25:31 +0800 From: William Qiu To: , , , CC: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Ziv Xu , William Qiu Subject: [PATCH v1 2/3] spi: cadence-quadspi: Add clock configuration for StarFive JH7110 QSPI Date: Fri, 26 May 2023 14:25:28 +0800 Message-ID: <20230526062529.46747-3-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230526062529.46747-1-william.qiu@starfivetech.com> References: <20230526062529.46747-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX168.cuchost.com (172.16.6.78) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230525_232616_817952_D6BBE468 X-CRM114-Status: GOOD ( 11.29 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add QSPI clock operation in device probe. Signed-off-by: William Qiu Reviewed-by: Hal Feng --- drivers/spi/spi-cadence-quadspi.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 6ddb2dfc0f00..c6430fb3a0a4 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1624,6 +1624,7 @@ static int cqspi_setup_flash(struct cqspi_st *cqspi) static int cqspi_probe(struct platform_device *pdev) { const struct cqspi_driver_platdata *ddata; + struct clk *qspi_ahb, *qspi_apb; struct reset_control *rstc, *rstc_ocp, *rstc_ref; struct device *dev = &pdev->dev; struct spi_master *master; @@ -1715,6 +1716,32 @@ static int cqspi_probe(struct platform_device *pdev) } if (of_device_is_compatible(pdev->dev.of_node, "starfive,jh7110-qspi")) { + qspi_ahb = devm_clk_get(dev, "qspi-ahb"); + if (IS_ERR(qspi_ahb)) { + dev_err(dev, "Cannot claim QSPI_AHB clock.\n"); + ret = PTR_ERR(qspi_ahb); + return ret; + } + + ret = clk_prepare_enable(qspi_ahb); + if (ret) { + dev_err(dev, "Cannot enable QSPI AHB clock.\n"); + goto probe_clk_failed; + } + + qspi_apb = devm_clk_get(dev, "qspi-apb"); + if (IS_ERR(qspi_apb)) { + dev_err(dev, "Cannot claim QSPI_APB clock.\n"); + ret = PTR_ERR(qspi_apb); + return ret; + } + + ret = clk_prepare_enable(qspi_apb); + if (ret) { + dev_err(dev, "Cannot enable QSPI APB clock.\n"); + goto probe_clk_failed; + } + rstc_ref = devm_reset_control_get_optional_exclusive(dev, "rstc_ref"); if (IS_ERR(rstc_ref)) { ret = PTR_ERR(rstc_ref);