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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>
master
Bartosz Golaszewski 2026-03-09 13:42:40 +01:00
parent 5cfbd0eb78
commit e627fc9fad
1 changed files with 27 additions and 5 deletions
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32
arch/arm/mach-omap1/board-ams-delta.c
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@ -556,10 +556,30 @@ static struct gpiod_lookup_table *ams_delta_gpio_tables[] __initdata = {
&ams_delta_nand_gpio_table,
};
static struct gpiod_hog ams_delta_gpio_hogs[] = {
GPIO_HOG(LATCH2_LABEL, LATCH2_PIN_KEYBRD_DATAOUT, "keybrd_dataout",
GPIO_ACTIVE_HIGH, GPIOD_OUT_LOW),
{},
static const struct software_node latch2_gpio_swnode = {
.name = LATCH2_LABEL,
};
static const u32 latch2_hog_gpios[] = { LATCH2_PIN_KEYBRD_DATAOUT, 0 };
static const struct property_entry latch2_gpio_hog_props[] = {
PROPERTY_ENTRY_BOOL("gpio-hog"),
PROPERTY_ENTRY_U32_ARRAY("gpios", latch2_hog_gpios),
PROPERTY_ENTRY_STRING("line-name", "keybrd_dataout"),
PROPERTY_ENTRY_BOOL("output-low"),
{ }
};
static const struct software_node latch2_gpio_hog_swnode = {
.parent = &latch2_gpio_swnode,
.name = "latch2-hog",
.properties = latch2_gpio_hog_props,
};
static const struct software_node *const latch2_gpio_swnodes[] = {
&latch2_gpio_swnode,
&latch2_gpio_hog_swnode,
NULL
};
static struct plat_serial8250_port ams_delta_modem_ports[];
@ -684,7 +704,6 @@ static void __init ams_delta_init(void)
omap_gpio_deps_init();
ams_delta_latch2_init();
gpiod_add_hogs(ams_delta_gpio_hogs);
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
@ -693,6 +712,9 @@ static void __init ams_delta_init(void)
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
platform_device_register_full(&latch1_gpio_devinfo);
software_node_register_node_group(latch2_gpio_swnodes);
latch2_gpio_devinfo.fwnode = software_node_fwnode(&latch2_gpio_swnode);
platform_device_register_full(&latch2_gpio_devinfo);
/*