From patchwork Mon Oct 9 18:34:02 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: 13414325 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 73792CD611F for ; Mon, 9 Oct 2023 18:40:41 +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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QC/qb+aYdPUtVCetuPFfhMaALi70BMYmOSUlOftn2B0=; b=grmr+EEXwszTTY wButmN7361QUgu7s6qms/uT6Jc3aovRgLiMade8XWnRwuOvpx/m+XD4HWZhUw+/CVx2ULerZ/2v4o podMKq+lqI+MxKjvpJ3zM2LAKriN1gdSVxu6Q/TxeBh8OLdxhhvgeg+8Pc1rQQPdgI1QiDBS2OSdg Bc7aZg6lkhoPf/KihqOK0rKAKtRnTNfU9ruDqNBFpvaJlCAJd4glfpJCjt85in4kGkLQGsB27de1C Tbsu7vBfYpjGI5J/HbLwOFfieDuIxtcTiMuQL98lnK++CGFlSyNHs9Ptl0jXZCVw6kr4EZAiSnp4h +hquQZkq58c2zGtt0f3Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qpvAz-00BPqG-0M; Mon, 09 Oct 2023 18:40:21 +0000 Received: from mx2.hosting.skole.hr ([161.53.165.186] helo=mx.skole.hr) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qpvAt-00BPmw-0Q for linux-arm-kernel@lists.infradead.org; Mon, 09 Oct 2023 18:40:16 +0000 Received: from mx2.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id 65A1684FA3; Mon, 9 Oct 2023 20:34:19 +0200 (CEST) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Mon, 09 Oct 2023 20:34:02 +0200 Subject: [PATCH RFT v7 5/6] ARM: pxa: Convert gumstix Bluetooth to GPIO descriptors MIME-Version: 1.0 Message-Id: <20231009-pxa-gpio-v7-5-c8f5f403e856@skole.hr> References: <20231009-pxa-gpio-v7-0-c8f5f403e856@skole.hr> In-Reply-To: <20231009-pxa-gpio-v7-0-c8f5f403e856@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_Mih?= =?utf-8?q?anovi=C4=87?= , Bartosz Golaszewski X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2189; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=Dr351d93QVsgkRcO0eJVhSNl8Av1yPt3sqc414h6Tbk=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBlJEebBj0U6dcvkKZYfji6sgff0OT7/oLgt/Db9 seRjnSmcYOJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZSRHmwAKCRCaEZ6wQi2W 4WoHD/9qzpUYFyCn3NmJahXpNgBW9xEyLZh8Lj8PO6cZO9kCTuIhy6whvaoinFhWz4/EcWxFU+I K4MdeBrDyxX5LLyH36oxy+7+KZp8M09WIx1E6dD+NlVoq5Nl8FLzk7RWIcR1mxKBVAQnh5UI6hD Ew0faz6Wr5dVPL8XNjZQ87+pSBGQ3oVqNUzIWkBm/bqvW9+picbMfALG5h36Jd+VS1V1S7ZqeCI 4j9VSvqPbGmrvIdE15h6tUVwIu7gkPXB5zkKVCmIR+JGKTDNl4cY2GM1JyCqE/HFlxBWZBDibsW aJOx4e/FFN7qlKtM1XIXPdENc/w75qPo7+0G/aEL2eDgIoFz22olGjSn6qUMT7r4IJwlfyObBFG H5yoZQ8CerOku8YXPwM34iX79THcCL1U5h4gEoeVLpzPtAbgHQG0fDyUVpgdPl6TnxetiEhy9oo F21S1X+3iZjrXGIhq9VGNh/oV5yMe2c38t+zPBr0iYWV+fEzOfQWVY5AONPVHG8eKDINjWVEQAo rt4edis5gUZolYUcO/3WkS89rCTL2Cci7POCmb19UdJLqQokU/mJBPxI1+t4EoDRu3PmJyDBV49 E3655N4U2IcjrckM2JTY2z8lIfLdZd2QncZOWwsiNUCbfLN905lYKf4kM7dwN6cLV7qVXUmO9LZ L5N8bhVA9zj6GbA== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231009_114015_341725_0BF61C14 X-CRM114-Status: GOOD ( 16.76 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Gumstix still uses the legacy GPIO interface for resetting the Bluetooth device. Convert it to use the GPIO descriptor interface. Reviewed-by: Linus Walleij Reviewed-by: Bartosz Golaszewski Signed-off-by: Duje Mihanović --- arch/arm/mach-pxa/gumstix.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c index c9f0f62187bd..0bca6e2c80a9 100644 --- a/arch/arm/mach-pxa/gumstix.c +++ b/arch/arm/mach-pxa/gumstix.c @@ -20,8 +20,8 @@ #include #include #include +#include #include -#include #include #include @@ -129,6 +129,11 @@ static void gumstix_udc_init(void) #endif #ifdef CONFIG_BT +GPIO_LOOKUP_SINGLE(gumstix_bt_gpio_table, "pxa2xx-uart.1", "pxa-gpio", + GPIO_GUMSTIX_BTRESET, "BTRST", GPIO_ACTIVE_LOW); + +static struct gpio_desc *bt_reset; + /* Normally, the bootloader would have enabled this 32kHz clock but many ** boards still have u-boot 1.1.4 so we check if it has been turned on and ** if not, we turn it on with a warning message. */ @@ -153,24 +158,19 @@ static void gumstix_setup_bt_clock(void) static void __init gumstix_bluetooth_init(void) { - int err; + gpiod_add_lookup_table(&gumstix_bt_gpio_table); gumstix_setup_bt_clock(); - err = gpio_request(GPIO_GUMSTIX_BTRESET, "BTRST"); - if (err) { + bt_reset = gpiod_get(&pxa_device_btuart.dev, "BTRST", GPIOD_OUT_HIGH); + if (IS_ERR(bt_reset)) { pr_err("gumstix: failed request gpio for bluetooth reset\n"); return; } - err = gpio_direction_output(GPIO_GUMSTIX_BTRESET, 1); - if (err) { - pr_err("gumstix: can't reset bluetooth\n"); - return; - } - gpio_set_value(GPIO_GUMSTIX_BTRESET, 0); + gpiod_set_value(bt_reset, 1); udelay(100); - gpio_set_value(GPIO_GUMSTIX_BTRESET, 1); + gpiod_set_value(bt_reset, 0); } #else static void gumstix_bluetooth_init(void)