From patchwork Thu Oct 11 14:50:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 10636745 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CF0E517E1 for ; Thu, 11 Oct 2018 14:50:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BFE4B2B91E for ; Thu, 11 Oct 2018 14:50:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B43AD2B924; Thu, 11 Oct 2018 14:50:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 23C2F2B91E for ; Thu, 11 Oct 2018 14:50:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728554AbeJKWRi (ORCPT ); Thu, 11 Oct 2018 18:17:38 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:36042 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727129AbeJKWRi (ORCPT ); Thu, 11 Oct 2018 18:17:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=Date:Message-Id:In-Reply-To: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner: List-Archive; bh=zRqdM+hqpudKBWHpa1hEdnt0iH0F7/aMyi1eBmcaacs=; b=ZQ8Kci2PuiKx xVqjKuoSJopB50cMK+17IkUny/iBQ/dKn3M27VXg0xAztlVFro45P/8rJvxtetsL7zuKZpLXCLn9B C3OgEgeVGRsh7HgOyvTxhI3laDYHrqT7iXWdUql6Kf/C+lHXTJ6iknQFgJJJjd5JhPNqVGMP5AE4n hblGg=; Received: from cpc102320-sgyl38-2-0-cust46.18-2.cable.virginm.net ([82.37.168.47] helo=debutante.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpa (Exim 4.89) (envelope-from ) id 1gAcHt-0001r8-HP; Thu, 11 Oct 2018 14:50:05 +0000 Received: by debutante.sirena.org.uk (Postfix, from userid 1000) id 2983411223ED; Thu, 11 Oct 2018 15:50:05 +0100 (BST) From: Mark Brown To: Lubomir Rintel Cc: Mark Brown , linux-spi@vger.kernel.org Subject: Applied "spi: pxa2xx: Add devicetree support" to the spi tree In-Reply-To: Message-Id: <20181011145005.2983411223ED@debutante.sirena.org.uk> Date: Thu, 11 Oct 2018 15:50:05 +0100 (BST) Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi: pxa2xx: Add devicetree support has been applied to the spi tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 87ae1d2d70772d661162de03e56c8d1cc5f12650 Mon Sep 17 00:00:00 2001 From: Lubomir Rintel Date: Wed, 10 Oct 2018 19:09:29 +0200 Subject: [PATCH] spi: pxa2xx: Add devicetree support The MMP2 platform, that uses device tree, has this controller. Let's add devicetree alongside platform & PCI. Signed-off-by: Lubomir Rintel Signed-off-by: Mark Brown --- drivers/spi/spi-pxa2xx.c | 73 +++++++++++++++++++++++--------------- include/linux/pxa2xx_ssp.h | 1 + 2 files changed, 45 insertions(+), 29 deletions(-) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 8baa5b038f15..612cc49db28f 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -33,6 +33,7 @@ #include #include #include +#include #include "spi-pxa2xx.h" @@ -1335,9 +1336,6 @@ static void cleanup(struct spi_device *spi) kfree(chip); } -#ifdef CONFIG_PCI -#ifdef CONFIG_ACPI - static const struct acpi_device_id pxa2xx_spi_acpi_match[] = { { "INT33C0", LPSS_LPT_SSP }, { "INT33C1", LPSS_LPT_SSP }, @@ -1349,23 +1347,6 @@ static const struct acpi_device_id pxa2xx_spi_acpi_match[] = { }; MODULE_DEVICE_TABLE(acpi, pxa2xx_spi_acpi_match); -static int pxa2xx_spi_get_port_id(struct acpi_device *adev) -{ - unsigned int devid; - int port_id = -1; - - if (adev && adev->pnp.unique_id && - !kstrtouint(adev->pnp.unique_id, 0, &devid)) - port_id = devid; - return port_id; -} -#else /* !CONFIG_ACPI */ -static int pxa2xx_spi_get_port_id(struct acpi_device *adev) -{ - return -1; -} -#endif - /* * PCI IDs of compound devices that integrate both host controller and private * integrated DMA engine. Please note these are not used in module @@ -1412,6 +1393,37 @@ static const struct pci_device_id pxa2xx_spi_pci_compound_match[] = { { }, }; +static const struct of_device_id pxa2xx_spi_of_match[] = { + { .compatible = "marvell,mmp2-ssp", .data = (void *)MMP2_SSP }, + {}, +}; +MODULE_DEVICE_TABLE(of, pxa2xx_spi_of_match); + +#ifdef CONFIG_ACPI + +static int pxa2xx_spi_get_port_id(struct acpi_device *adev) +{ + unsigned int devid; + int port_id = -1; + + if (adev && adev->pnp.unique_id && + !kstrtouint(adev->pnp.unique_id, 0, &devid)) + port_id = devid; + return port_id; +} + +#else /* !CONFIG_ACPI */ + +static int pxa2xx_spi_get_port_id(struct acpi_device *adev) +{ + return -1; +} + +#endif /* CONFIG_ACPI */ + + +#ifdef CONFIG_PCI + static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param) { struct device *dev = param; @@ -1422,6 +1434,8 @@ static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param) return true; } +#endif /* CONFIG_PCI */ + static struct pxa2xx_spi_master * pxa2xx_spi_init_pdata(struct platform_device *pdev) { @@ -1431,11 +1445,15 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) struct resource *res; const struct acpi_device_id *adev_id = NULL; const struct pci_device_id *pcidev_id = NULL; + const struct of_device_id *of_id = NULL; enum pxa_ssp_type type; adev = ACPI_COMPANION(&pdev->dev); - if (dev_is_pci(pdev->dev.parent)) + if (pdev->dev.of_node) + of_id = of_match_device(pdev->dev.driver->of_match_table, + &pdev->dev); + else if (dev_is_pci(pdev->dev.parent)) pcidev_id = pci_match_id(pxa2xx_spi_pci_compound_match, to_pci_dev(pdev->dev.parent)); else if (adev) @@ -1448,6 +1466,8 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) type = (enum pxa_ssp_type)adev_id->driver_data; else if (pcidev_id) type = (enum pxa_ssp_type)pcidev_id->driver_data; + else if (of_id) + type = (enum pxa_ssp_type)of_id->data; else return NULL; @@ -1466,11 +1486,13 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) if (IS_ERR(ssp->mmio_base)) return NULL; +#ifdef CONFIG_PCI if (pcidev_id) { pdata->tx_param = pdev->dev.parent; pdata->rx_param = pdev->dev.parent; pdata->dma_filter = pxa2xx_spi_idma_filter; } +#endif ssp->clk = devm_clk_get(&pdev->dev, NULL); ssp->irq = platform_get_irq(pdev, 0); @@ -1484,14 +1506,6 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) return pdata; } -#else /* !CONFIG_PCI */ -static inline struct pxa2xx_spi_master * -pxa2xx_spi_init_pdata(struct platform_device *pdev) -{ - return NULL; -} -#endif - static int pxa2xx_spi_fw_translate_cs(struct spi_controller *master, unsigned int cs) { @@ -1836,6 +1850,7 @@ static struct platform_driver driver = { .name = "pxa2xx-spi", .pm = &pxa2xx_spi_pm_ops, .acpi_match_table = ACPI_PTR(pxa2xx_spi_acpi_match), + .of_match_table = of_match_ptr(pxa2xx_spi_of_match), }, .probe = pxa2xx_spi_probe, .remove = pxa2xx_spi_remove, diff --git a/include/linux/pxa2xx_ssp.h b/include/linux/pxa2xx_ssp.h index 262e1f318836..979087e021f3 100644 --- a/include/linux/pxa2xx_ssp.h +++ b/include/linux/pxa2xx_ssp.h @@ -196,6 +196,7 @@ enum pxa_ssp_type { PXA27x_SSP, PXA3xx_SSP, PXA168_SSP, + MMP2_SSP, PXA910_SSP, CE4100_SSP, QUARK_X1000_SSP,