Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ARM: omap1: ams-delta: convert GPIO hogs to using firmware nodes
Setup a software node hierarchy for the latch2 GPIO controller defining
the required hog and stop using legacy machine hog API.
Acked-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260309-gpio-hog-fwnode-v2-4-4e61f3dbf06a@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
+27
-5
+27
-5
arch/arm/mach-omap1/board-ams-delta.c
+27
-5
arch/arm/mach-omap1/board-ams-delta.c
···
556
556
&ams_delta_nand_gpio_table,
557
557
};
558
558
559
-
static struct gpiod_hog ams_delta_gpio_hogs[] = {
560
-
GPIO_HOG(LATCH2_LABEL, LATCH2_PIN_KEYBRD_DATAOUT, "keybrd_dataout",
561
-
GPIO_ACTIVE_HIGH, GPIOD_OUT_LOW),
562
-
{},
559
+
static const struct software_node latch2_gpio_swnode = {
560
+
.name = LATCH2_LABEL,
561
+
};
562
+
563
+
static const u32 latch2_hog_gpios[] = { LATCH2_PIN_KEYBRD_DATAOUT, 0 };
564
+
565
+
static const struct property_entry latch2_gpio_hog_props[] = {
566
+
PROPERTY_ENTRY_BOOL("gpio-hog"),
567
+
PROPERTY_ENTRY_U32_ARRAY("gpios", latch2_hog_gpios),
568
+
PROPERTY_ENTRY_STRING("line-name", "keybrd_dataout"),
569
+
PROPERTY_ENTRY_BOOL("output-low"),
570
+
{ }
571
+
};
572
+
573
+
static const struct software_node latch2_gpio_hog_swnode = {
574
+
.parent = &latch2_gpio_swnode,
575
+
.name = "latch2-hog",
576
+
.properties = latch2_gpio_hog_props,
577
+
};
578
+
579
+
static const struct software_node *const latch2_gpio_swnodes[] = {
580
+
&latch2_gpio_swnode,
581
+
&latch2_gpio_hog_swnode,
582
+
NULL
563
583
};
564
584
565
585
static struct plat_serial8250_port ams_delta_modem_ports[];
···
704
684
705
685
omap_gpio_deps_init();
706
686
ams_delta_latch2_init();
707
-
gpiod_add_hogs(ams_delta_gpio_hogs);
708
687
709
688
omap_serial_init();
710
689
omap_register_i2c_bus(1, 100, NULL, 0);
···
712
693
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
713
694
714
695
platform_device_register_full(&latch1_gpio_devinfo);
696
+
697
+
software_node_register_node_group(latch2_gpio_swnodes);
698
+
latch2_gpio_devinfo.fwnode = software_node_fwnode(&latch2_gpio_swnode);
715
699
platform_device_register_full(&latch2_gpio_devinfo);
716
700
717
701
/*