From patchwork Fri Oct 6 13:44:29 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: 13411586 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9294B241F8 for ; Fri, 6 Oct 2023 13:45:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mx.skole.hr (mx1.hosting.skole.hr [161.53.165.185]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7DABA83; Fri, 6 Oct 2023 06:45:16 -0700 (PDT) Received: from mx1.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id 11DAA82B6A; Fri, 6 Oct 2023 15:45:15 +0200 (CEST) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Fri, 06 Oct 2023 15:44:29 +0200 Subject: [PATCH RFT v6 5/6] ARM: pxa: Convert gumstix Bluetooth to GPIO descriptors Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231006-pxa-gpio-v6-5-981b4910d599@skole.hr> References: <20231006-pxa-gpio-v6-0-981b4910d599@skole.hr> In-Reply-To: <20231006-pxa-gpio-v6-0-981b4910d599@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/ZANAwAIAZoRnrBCLZbhAcsmYgBlIA9d/F9TLkLIhHM3hDILl8MSvW4bu2FnfuQE0 diAXQhbz32JAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZSAPXQAKCRCaEZ6wQi2W 4YPqD/9k4FrU/yzrM/Bg2eziLiJJCSgeoqztb0z7j4FNXVdgITVRohK/R2vbtWDGmeFS5L5rl0V 1skAo9ak776xAEWm4fN8E0FlUsovzMwT/IFDQTAnLf2Z7J4+QRik5PQBdTNl8lqiZz/WQDiU0zf PqV62Tx4YanhkIYIa1c1THAlMqjmGYxX2zCaMtY6Iky/QOq8MMdvtHaUKJ7mUDdhSMToPSXQ8WU WpVl0MCMgJP0I0JCzqZoBGiRCTQ/ZagxYUgg/pGTi9WkWWK46RUsSmwDbgr5prxzCV48r9imNL2 agS5umSy9p89jC/QXzamxu7W9YCE1FXtw/M5WwT1dYOHOir5vWWIYQ6YQTQRPCIk0WGurwTxaQg dX/5NNZ1rEI4QRX/kBkpdS5V2pHbhB+NZE0RYVO4/J6v0AeReJuzAOXHcv/krE9PiAUdz7zC9Su kxWC8yDM7HoTp/E/fWtKm0RtyoG0NW7n9xRx9rAYn/1iJq8LNZr6V4/w7fi+Cki8uI2fPR0iSz1 FBQbem2LGjue1aXMoCNxxsXLv6d+QpwcaxSdG0zqMgxZ+hhZvXQTm6bl8K86EnBxr5qlNsx+gAL oQ+E/DkoW4n/Ah7ie7fX6tAqpb4He+u11cVtZh1o76irg8Sn7N60H+sKmNBfwfonMtrQ9G2Wt3v GhfdN9TPB3Drtww== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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)