From patchwork Wed Oct 11 13:23:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Duje_Mihanovi=C4=87?= X-Patchwork-Id: 13417403 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C981CD6E70 for ; Wed, 11 Oct 2023 13:24:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346813AbjJKNYL (ORCPT ); Wed, 11 Oct 2023 09:24:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232297AbjJKNYI (ORCPT ); Wed, 11 Oct 2023 09:24:08 -0400 Received: from mx.skole.hr (mx2.hosting.skole.hr [161.53.165.186]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 001C798; Wed, 11 Oct 2023 06:24:04 -0700 (PDT) Received: from mx2.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id 452218512A; Wed, 11 Oct 2023 15:24:03 +0200 (CEST) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Wed, 11 Oct 2023 15:23:45 +0200 Subject: [PATCH RFT v8 1/6] ARM: pxa: Convert Spitz OHCI to GPIO descriptors MIME-Version: 1.0 Message-Id: <20231011-pxa-gpio-v8-1-eed08a0fcac8@skole.hr> References: <20231011-pxa-gpio-v8-0-eed08a0fcac8@skole.hr> In-Reply-To: <20231011-pxa-gpio-v8-0-eed08a0fcac8@skole.hr> To: Daniel Mack , Haojian Zhuang , Robert Jarzmik , Russell King , Alan Stern , Greg Kroah-Hartman , Linus Walleij , Bartosz Golaszewski , Andy Shevchenko , Dmitry Torokhov , Mark Brown Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-gpio@vger.kernel.org, linux-input@vger.kernel.org, linux-spi@vger.kernel.org, =?utf-8?q?Duje_Miha?= =?utf-8?q?novi=C4=87?= , Bartosz Golaszewski X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2657; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=zHIGWEQGCiE1zSNvEhtQVSEdtgexWa/26DLuLj0DdAg=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBlJqHo8U/oDDGVmpQuaq0MopWeWdiFnptQa9hHX 6tb2n1kJ/SJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZSah6AAKCRCaEZ6wQi2W 4YkHEACEPb/4fQ5UpVI8kK9axj3syvJdHg/w+qDRipT8i1L7e4A0qKEVjhREzyzQj0XYUe/IQP/ dabPR/plJ2b+UqnARMxEJQilukAxLaxquK75LEKT81pqD4+uUKXmK3qaXslpErOynWxMikmFnoZ SElWyncMBIuiWiQF1lXzATRzjbGUkxJ2ukQfcVYiPb0QA/dFl8ufx8j/cjs1l/xg4kSmBPUBuor qflDA2qqVnURejf1xDyiOlqNusO2PzWRZU3jnosvvVXAQV/WRZQJW4HOQBG87cGg/1doWu1ONZL csVT2mDAEtSiWGgTpBIeRYcWiARmHN9cI3HR21C25hxP19F1UT26KpfummxTsmmS2FVx8VXm9dE lGvzilQmg8V+tKCaYpsbCgAB80unV3e/FJGixaMo+OYMvKp+qrsS47+fHtbNKSUDkLZEP6D6j3l AgsHq5ZjXBPmBG4ap4hDvRGoI/dOmLE64LtYzjHNCeum6q7FUfaHRlx9+fdR+Q2AZ82uXre27Eg SBUo849OIz9cyafQCX4GbAM49EhQ8+8YyJerXhxQv/y2TfVZBbH0ss8uJuOUoxJ9LpkCKgVQGcI QayB9rwPqcA+Kjcb0O0qzFj8+Ket1sm1fmhRhxiUolZ5etTDWJ8uRr9OAjvWQDlyDWPGv28CioB vItrvn4D2aJszww== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Sharp's Spitz board still uses the legacy GPIO interface for controlling a GPIO pin related to the USB host controller. Convert this function to use the new GPIO descriptor interface. Reviewed-by: Linus Walleij Reviewed-by: Bartosz Golaszewski Signed-off-by: Duje Mihanović --- arch/arm/mach-pxa/spitz.c | 13 ++++++------- drivers/usb/host/ohci-pxa27x.c | 5 +++++ 2 files changed, 11 insertions(+), 7 deletions(-) diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index cc691b199429..535e2b2e997b 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -649,23 +649,22 @@ static inline void spitz_mmc_init(void) {} * USB Host ******************************************************************************/ #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +GPIO_LOOKUP_SINGLE(spitz_usb_host_gpio_table, "pxa27x-ohci", "gpio-pxa", + SPITZ_GPIO_USB_HOST, "usb-host", GPIO_ACTIVE_LOW); + static int spitz_ohci_init(struct device *dev) { - int err; - - err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST"); - if (err) - return err; + gpiod_add_lookup_table(&spitz_usb_host_gpio_table); /* Only Port 2 is connected, setup USB Port 2 Output Control Register */ UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; - return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1); + return 0; } static void spitz_ohci_exit(struct device *dev) { - gpio_free(SPITZ_GPIO_USB_HOST); + gpiod_remove_lookup_table(&spitz_usb_host_gpio_table); } static struct pxaohci_platform_data spitz_ohci_platform_data = { diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 357d9aee38a3..a809ba0bb25e 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -121,6 +121,7 @@ struct pxa27x_ohci { void __iomem *mmio_base; struct regulator *vbus[3]; bool vbus_enabled[3]; + struct gpio_desc *usb_host; }; #define to_pxa27x_ohci(hcd) (struct pxa27x_ohci *)(hcd_to_ohci(hcd)->priv) @@ -447,6 +448,10 @@ static int ohci_hcd_pxa27x_probe(struct platform_device *pdev) pxa_ohci = to_pxa27x_ohci(hcd); pxa_ohci->clk = usb_clk; pxa_ohci->mmio_base = (void __iomem *)hcd->regs; + pxa_ohci->usb_host = devm_gpiod_get_optional(&pdev->dev, "usb-host", GPIOD_OUT_LOW); + if (IS_ERR(pxa_ohci->usb_host)) + return dev_err_probe(&pdev->dev, PTR_ERR(pxa_ohci->usb_host), + "failed to get USB host GPIO\n"); for (i = 0; i < 3; ++i) { char name[6];