linux-kernel - [PATCH RFT v7 2/6] ARM: pxa: Convert Spitz LEDs to GPIO descriptors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20231009-pxa-gpio-v7-2-c8f5f403e856@skole.hr>
Date:   Mon, 09 Oct 2023 20:33:59 +0200
From:   Duje Mihanović <duje.mihanovic@...le.hr>
To:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Russell King <linux@...linux.org.uk>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-input@...r.kernel.org, linux-spi@...r.kernel.org,
        Duje Mihanović <duje.mihanovic@...le.hr>
Subject: [PATCH RFT v7 2/6] ARM: pxa: Convert Spitz LEDs to GPIO
 descriptors

Sharp's Spitz board still uses the legacy GPIO interface for configuring
its two onboard LEDs.

Convert them to use the GPIO descriptor interface.

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Duje Mihanović <duje.mihanovic@...le.hr>
---
 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 535e2b2e997b..29907abc4513 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -452,16 +452,25 @@ static inline void spitz_keys_init(void) {}
  * LEDs
  ******************************************************************************/
 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+static struct gpiod_lookup_table spitz_led_gpio_table = {
+	.dev_id = "leds-gpio",
+	.table = {
+		GPIO_LOOKUP_IDX("pxa-gpio", SPITZ_GPIO_LED_ORANGE, NULL, 0,
+				GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP_IDX("pxa-gpio", SPITZ_GPIO_LED_GREEN, NULL, 1,
+				GPIO_ACTIVE_HIGH),
+		{ }
+	}
+};
+
 static struct gpio_led spitz_gpio_leds[] = {
 	{
 		.name			= "spitz:amber:charge",
 		.default_trigger	= "sharpsl-charge",
-		.gpio			= SPITZ_GPIO_LED_ORANGE,
 	},
 	{
 		.name			= "spitz:green:hddactivity",
 		.default_trigger	= "disk-activity",
-		.gpio			= SPITZ_GPIO_LED_GREEN,
 	},
 };
 
@@ -478,9 +487,16 @@ static struct platform_device spitz_led_device = {
 	},
 };
 
+static struct gpio_descs *leds;
+
 static void __init spitz_leds_init(void)
 {
+	gpiod_add_lookup_table(&spitz_led_gpio_table);
 	platform_device_register(&spitz_led_device);
+	leds = gpiod_get_array_optional(&spitz_led_device.dev,
+			NULL, GPIOD_ASIS);
+	spitz_gpio_leds[0].gpiod = leds->desc[0];
+	spitz_gpio_leds[1].gpiod = leds->desc[1];
 }
 #else
 static inline void spitz_leds_init(void) {}

-- 
2.42.0