From patchwork Tue Sep 26 15:46:24 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: 726672 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 D98E630CFC for ; Tue, 26 Sep 2023 15:46:38 +0000 (UTC) Received: from mx.skole.hr (mx1.hosting.skole.hr [161.53.165.185]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E31A116; Tue, 26 Sep 2023 08:46:36 -0700 (PDT) Received: from mx1.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id CFA5882471; Tue, 26 Sep 2023 17:46:34 +0200 (CEST) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Tue, 26 Sep 2023 17:46:24 +0200 Subject: [PATCH RFC v2 3/6] ARM: pxa: Convert Spitz CF power control 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: <20230926-pxa-gpio-v2-3-984464d165dd@skole.hr> References: <20230926-pxa-gpio-v2-0-984464d165dd@skole.hr> In-Reply-To: <20230926-pxa-gpio-v2-0-984464d165dd@skole.hr> To: Daniel Mack , Haojian Zhuang , Robert Jarzmik , Russell King , Alan Stern , Greg Kroah-Hartman , Linus Walleij , Bartosz Golaszewski , Andy Shevchenko Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-gpio@vger.kernel.org, =?utf-8?q?Duje_Miha?= =?utf-8?q?novi=C4=87?= X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2162; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=fHl5iSb/dE+9PwQC8nVVOcMrGaHAC690mEvxtdZMvYU=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBlEvzW8p1SpO/LVrhZ4cyOyEsmfBY+BbA8HF5w/ xIAZC61EYWJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZRL81gAKCRCaEZ6wQi2W 4Qp5EACNKOhea/Gu/9RKXqniM2l/1tXSAoQTFENWZpL9pxI0tf3YtwigVQvliPGZq5KmhzQ+z82 McRgQkT6ukcEX0V+Vb5DGaiVN+qE+uvEysd/IG1M5GGusAxMLT2yZMtM281IqYvqRSCFcdM96/E rU7mOkk+rtu0kMnKmhXPMhz5jVckiElNbR6c8HX/Hc2ltYfme0TGyxKOsN3CqX3kecym4dja33z yVBWV/2oG56ilZmSSU4QaMRWPi8AA4XrIWQXIyR0dDVGLg3eNHy0zZedGOJPdx4SGOv7Y4wqVw5 /X39MMtb+E75HdxE2SI9eLKDQuubS+SH6H6ytHRBXbKmgIwZPr3cfrQQvfi6+KSxJG6xS2R6brN O0xgsNpY7rjDtuUeAkykVQMr2UAVhz9E98F+P7OXXE/vkl6qpXNfIkxxeKyZaapFrGQaSHTd5DP 44tJSB2LYdaERlJtVSHruMuE04/d1wURuWCZEPEKOozOgIV1Q/qbsX7K+F4Gohti58ytq9eqMw0 czpViWocbw/9nMPfcMe8lstBxgOI0e71Sq82YgqBquZBUrR8YCcSTRhT/sX1YosGVb2sapfs12f iG5YKpHHuEFLuBmrVOO+s5uhCBxeEF222jrY/qvYXZYafLeoUEcEeIEgQ3q9bEGeKz6pc9k8w1u epzqgGNVa7PFBcw== 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 Sharp's Spitz board still uses the legacy GPIO interface for controlling the power supply to its CF and SD card slots. Convert it to use the GPIO descriptor interface. Signed-off-by: Duje Mihanović --- arch/arm/mach-pxa/spitz.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 91c4b208973c..616305978727 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -133,6 +133,10 @@ static unsigned long spitz_pin_config[] __initdata = { * Scoop GPIO expander ******************************************************************************/ #if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE) +GPIO_LOOKUP_SINGLE(spitz_card_pwr_ctrl_gpio_table, "pxa2xx-mci.0", + "sharp-scoop", SPITZ_GPIO_CF_POWER, "cf_power", + GPIO_ACTIVE_HIGH); + /* SCOOP Device #1 */ static struct resource spitz_scoop_1_resources[] = { [0] = { @@ -190,6 +194,7 @@ struct platform_device spitz_scoop_2_device = { static void __init spitz_scoop_init(void) { platform_device_register(&spitz_scoop_1_device); + gpiod_add_lookup_table(&spitz_card_pwr_ctrl_gpio_table); /* Akita doesn't have the second SCOOP chip */ if (!machine_is_akita()) @@ -201,9 +206,18 @@ static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) { unsigned short cpr; unsigned long flags; + struct gpio_desc *cf_power; + + cf_power = gpiod_get(&pxa_device_mci.dev, "cf_power", GPIOD_ASIS); + if (IS_ERR(cf_power)) { + dev_err(&pxa_device_mci.dev, + "failed to get power control GPIO with %ld\n", + PTR_ERR(cf_power)); + return; + } if (new_cpr & 0x7) { - gpio_set_value(SPITZ_GPIO_CF_POWER, 1); + gpiod_direction_output(cf_power, 1); mdelay(5); } @@ -222,8 +236,10 @@ static void __maybe_unused spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) if (!(cpr & 0x7)) { mdelay(1); - gpio_set_value(SPITZ_GPIO_CF_POWER, 0); + gpiod_direction_output(cf_power, 0); } + + gpiod_put(cf_power); } #else