Merge branch 'mips-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git

15 files changed, 392 insertions, 261 deletions

diff --git a/arch/mips/bcm47xx/buttons.c b/arch/mips/bcm47xx/buttons.c
index 46994f9bb821..151a4ee2803f 100644
--- a/arch/mips/bcm47xx/buttons.c
+++ b/arch/mips/bcm47xx/buttons.c
@@ -1,9 +1,14 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "bcm47xx_private.h"
 
-#include <linux/input.h>
-#include <linux/gpio_keys.h>
+#include "linux/err.h"
+#include <linux/gpio/machine.h>
+#include <linux/gpio/property.h>
+#include <linux/input-event-codes.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
+
 #include <bcm47xx_board.h>
 #include <bcm47xx.h>
 
@@ -11,29 +16,34 @@
  * Database
  **************************************************/
 
-#define BCM47XX_GPIO_KEY(_gpio, _code)					\
-	{								\
-		.code		= _code,				\
-		.gpio		= _gpio,				\
-		.active_low	= 1,					\
+struct bcm47xx_gpio_key {
+	u16 code;
+	u8 pin;
+	u8 flags;
+};
+
+#define BCM47XX_GPIO_KEY(_gpio, _code)			\
+	{						\
+		.code	= _code,			\
+		.pin	= _gpio,			\
+		.flags	= GPIO_ACTIVE_LOW,		\
 	}
 
-#define BCM47XX_GPIO_KEY_H(_gpio, _code)				\
-	{								\
-		.code		= _code,				\
-		.gpio		= _gpio,				\
+#define BCM47XX_GPIO_KEY_H(_gpio, _code)		\
+	{						\
+		.code	= _code,			\
+		.pin	= _gpio,			\
+		.flags	= GPIO_ACTIVE_HIGH,		\
 	}
 
 /* Asus */
 
-static const struct gpio_keys_button
-bcm47xx_buttons_asus_rtn10u[] __initconst = {
+static const struct bcm47xx_gpio_key bcm47xx_buttons_asus_rtn10u[] __initconst = {
 	BCM47XX_GPIO_KEY(20, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(21, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
-bcm47xx_buttons_asus_rtn12[] __initconst = {
+static const struct bcm47xx_gpio_key bcm47xx_buttons_asus_rtn12[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(1, KEY_RESTART),
 	BCM47XX_GPIO_KEY(4, BTN_0), /* Router mode */
@@ -41,74 +51,73 @@ bcm47xx_buttons_asus_rtn12[] __initconst = {
 	BCM47XX_GPIO_KEY(6, BTN_2), /* AP mode */
 };
 
-static const struct gpio_keys_button
-bcm47xx_buttons_asus_rtn16[] __initconst = {
+static const struct bcm47xx_gpio_key bcm47xx_buttons_asus_rtn16[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(8, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_rtn66u[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(9, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl300g[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl320ge[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl330ge[] __initconst = {
 	BCM47XX_GPIO_KEY(2, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl500g[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl500gd[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl500gpv1[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_RESTART),
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl500gpv2[] __initconst = {
 	BCM47XX_GPIO_KEY(2, KEY_RESTART),
 	BCM47XX_GPIO_KEY(3, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl500w[] __initconst = {
 	BCM47XX_GPIO_KEY_H(6, KEY_RESTART),
 	BCM47XX_GPIO_KEY_H(7, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl520gc[] __initconst = {
 	BCM47XX_GPIO_KEY(2, KEY_RESTART),
 	BCM47XX_GPIO_KEY(3, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl520gu[] __initconst = {
 	BCM47XX_GPIO_KEY(2, KEY_RESTART),
 	BCM47XX_GPIO_KEY(3, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wl700ge[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_POWER), /* Hard disk power switch */
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON), /* EZSetup */
@@ -116,21 +125,21 @@ bcm47xx_buttons_asus_wl700ge[] __initconst = {
 	BCM47XX_GPIO_KEY(7, KEY_RESTART), /* Hard reset */
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_asus_wlhdd[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
 /* Huawei */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_huawei_e970[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
 /* Belkin */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_belkin_f7d4301[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 	BCM47XX_GPIO_KEY(8, KEY_WPS_BUTTON),
@@ -138,44 +147,44 @@ bcm47xx_buttons_belkin_f7d4301[] __initconst = {
 
 /* Buffalo */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_buffalo_whr2_a54g54[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_buffalo_whr_g125[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 	BCM47XX_GPIO_KEY(5, BTN_0), /* Router / AP mode switch */
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_buffalo_whr_g54s[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY_H(4, KEY_RESTART),
 	BCM47XX_GPIO_KEY(5, BTN_0), /* Router / AP mode switch */
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_buffalo_whr_hp_g54[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 	BCM47XX_GPIO_KEY(5, BTN_0), /* Router / AP mode switch */
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_buffalo_wzr_g300n[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_buffalo_wzr_rs_g54[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_buffalo_wzr_rs_g54hp[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
@@ -183,20 +192,20 @@ bcm47xx_buttons_buffalo_wzr_rs_g54hp[] __initconst = {
 
 /* Dell */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_dell_tm2300[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_RESTART),
 };
 
 /* D-Link */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_dlink_dir130[] __initconst = {
 	BCM47XX_GPIO_KEY(3, KEY_RESTART),
 	BCM47XX_GPIO_KEY(7, KEY_UNKNOWN),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_dlink_dir330[] __initconst = {
 	BCM47XX_GPIO_KEY(3, KEY_RESTART),
 	BCM47XX_GPIO_KEY(7, KEY_UNKNOWN),
@@ -204,127 +213,127 @@ bcm47xx_buttons_dlink_dir330[] __initconst = {
 
 /* Linksys */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_e1000v1[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_e1000v21[] __initconst = {
 	BCM47XX_GPIO_KEY(9, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(10, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_e2000v1[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(8, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_e2500v3[] __initconst = {
 	BCM47XX_GPIO_KEY(9, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(10, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_e3000v1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_e3200v1[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_RESTART),
 	BCM47XX_GPIO_KEY(8, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_e4200v1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt150nv1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt150nv11[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt160nv1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt160nv3[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt300n_v1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt300nv11[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_UNKNOWN),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt310nv1[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 	BCM47XX_GPIO_KEY(8, KEY_UNKNOWN),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt310n_v2[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt320n_v1[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(8, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt54g3gv2[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_WIMAX),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt54g_generic[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt610nv1[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 	BCM47XX_GPIO_KEY(8, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrt610nv2[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_linksys_wrtsl54gs[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
@@ -332,154 +341,154 @@ bcm47xx_buttons_linksys_wrtsl54gs[] __initconst = {
 
 /* Luxul */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_abr_4400_v1[] = {
 	BCM47XX_GPIO_KEY(14, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xap_310_v1[] = {
 	BCM47XX_GPIO_KEY(20, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xap_1210_v1[] = {
 	BCM47XX_GPIO_KEY(8, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xap_1230_v1[] = {
 	BCM47XX_GPIO_KEY(8, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xap_1240_v1[] = {
 	BCM47XX_GPIO_KEY(8, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xap_1500_v1[] = {
 	BCM47XX_GPIO_KEY(14, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xbr_4400_v1[] = {
 	BCM47XX_GPIO_KEY(14, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xvw_p30_v1[] = {
 	BCM47XX_GPIO_KEY(20, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xwr_600_v1[] = {
 	BCM47XX_GPIO_KEY(8, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_luxul_xwr_1750_v1[] = {
 	BCM47XX_GPIO_KEY(14, KEY_RESTART),
 };
 
 /* Microsoft */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_microsoft_nm700[] __initconst = {
 	BCM47XX_GPIO_KEY(7, KEY_RESTART),
 };
 
 /* Motorola */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_motorola_we800g[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_motorola_wr850gp[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_motorola_wr850gv2v3[] __initconst = {
 	BCM47XX_GPIO_KEY(5, KEY_RESTART),
 };
 
 /* Netgear */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_r6200_v1[] __initconst = {
 	BCM47XX_GPIO_KEY(2, KEY_RFKILL),
 	BCM47XX_GPIO_KEY(3, KEY_RESTART),
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_r6300_v1[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wn2500rp_v1[] __initconst = {
 	BCM47XX_GPIO_KEY(12, KEY_RESTART),
 	BCM47XX_GPIO_KEY(31, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wndr3400v1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 	BCM47XX_GPIO_KEY(6, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(8, KEY_RFKILL),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wndr3400_v3[] __initconst = {
 	BCM47XX_GPIO_KEY(12, KEY_RESTART),
 	BCM47XX_GPIO_KEY(23, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wndr3700v3[] __initconst = {
 	BCM47XX_GPIO_KEY(2, KEY_RFKILL),
 	BCM47XX_GPIO_KEY(3, KEY_RESTART),
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wndr4500v1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(5, KEY_RFKILL),
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wnr1000_v3[] __initconst = {
 	BCM47XX_GPIO_KEY(2, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(3, KEY_RESTART),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wnr3500lv1[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 	BCM47XX_GPIO_KEY(6, KEY_WPS_BUTTON),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wnr3500lv2[] __initconst = {
 	BCM47XX_GPIO_KEY(4, KEY_RESTART),
 	BCM47XX_GPIO_KEY(6, KEY_WPS_BUTTON),
 	BCM47XX_GPIO_KEY(8, KEY_RFKILL),
 };
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_netgear_wnr834bv2[] __initconst = {
 	BCM47XX_GPIO_KEY(6, KEY_RESTART),
 };
 
 /* SimpleTech */
 
-static const struct gpio_keys_button
+static const struct bcm47xx_gpio_key
 bcm47xx_buttons_simpletech_simpleshare[] __initconst = {
 	BCM47XX_GPIO_KEY(0, KEY_RESTART),
 };
@@ -488,31 +497,96 @@ bcm47xx_buttons_simpletech_simpleshare[] __initconst = {
  * Init
  **************************************************/
 
-static struct gpio_keys_platform_data bcm47xx_button_pdata;
-
-static struct platform_device bcm47xx_buttons_gpio_keys = {
-	.name = "gpio-keys",
-	.dev = {
-		.platform_data = &bcm47xx_button_pdata,
+static int __init
+bcm47xx_buttons_add(const struct bcm47xx_gpio_key *buttons, int nbuttons)
+{
+	struct platform_device *pdev;
+	const struct software_node *gpio_swnode;
+	struct property_entry *p;
+	int error;
+	int i;
+
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		gpio_swnode = &bcma_gpio_swnode;
+		break;
+#endif
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		gpio_swnode = &ssb_gpio_swnode;
+		break;
+#endif
+	default:
+		return -ENODEV;
 	}
-};
 
-/* Copy data from __initconst */
-static int __init bcm47xx_buttons_copy(const struct gpio_keys_button *buttons,
-				       size_t nbuttons)
-{
-	size_t size = nbuttons * sizeof(*buttons);
+	/* 1 node for gpio-keys device, 1 node for each button, 1 terminator */
+	const struct software_node **node_group __free(kfree) =
+		kcalloc(1 + nbuttons + 1, sizeof(*node_group), GFP_KERNEL);
+	if (!node_group)
+		return -ENOMEM;
 
-	bcm47xx_button_pdata.buttons = kmemdup(buttons, size, GFP_KERNEL);
-	if (!bcm47xx_button_pdata.buttons)
+	/* 1 code property, 1 gpio property, 1 terminator */
+	struct property_entry *props __free(kfree) =
+		kcalloc(nbuttons * 3, sizeof(*props), GFP_KERNEL);
+	if (!props)
 		return -ENOMEM;
-	bcm47xx_button_pdata.nbuttons = nbuttons;
 
+	/* 1 node for gpio-keys device, 1 node for each button */
+	struct software_node *nodes __free(kfree) =
+		kcalloc(1 + nbuttons, sizeof(*nodes), GFP_KERNEL);
+	if (!nodes)
+		return -ENOMEM;
+
+	struct software_node_ref_args *ref_args __free(kfree) =
+		kcalloc(nbuttons, sizeof(*ref_args), GFP_KERNEL);
+	if (!ref_args)
+		return -ENOMEM;
+
+	/* gpio-keys node */
+	nodes[0].name = "bcm47xx-gpio-buttons";
+
+	p = props;
+	for (i = 0; i < nbuttons; i++) {
+		const struct bcm47xx_gpio_key *button = &buttons[i];
+		struct software_node *node = &nodes[1 + i];
+		struct software_node_ref_args *ref = &ref_args[i];
+
+		node->parent = &nodes[0];
+		node->properties = p;
+
+		*ref = SOFTWARE_NODE_REFERENCE(gpio_swnode, button->pin, button->flags);
+		*p++ = PROPERTY_ENTRY_REF("gpios", &ref_args[i]);
+		*p++ = PROPERTY_ENTRY_U32("linux,code", button->code);
+		p++;
+	}
+
+	for (i = 0; i < nbuttons + 1; i++)
+		node_group[i] = &nodes[i];
+
+	error = software_node_register_node_group(node_group);
+	if (error)
+		return error;
+
+	pdev = platform_device_register_full(&(struct platform_device_info){
+		.name = "gpio-keys",
+		.swnode = &nodes[0],
+	});
+	error = PTR_ERR_OR_ZERO(pdev);
+	if (error) {
+		software_node_unregister_node_group(node_group);
+		return error;
+	}
+
+	retain_and_null_ptr(props);
+	retain_and_null_ptr(nodes);
+	retain_and_null_ptr(ref_args);
 	return 0;
 }
 
-#define bcm47xx_copy_bdata(dev_buttons)					\
-	bcm47xx_buttons_copy(dev_buttons, ARRAY_SIZE(dev_buttons));
+#define bcm47xx_add_bdata(dev_buttons)					\
+	bcm47xx_buttons_add(dev_buttons, ARRAY_SIZE(dev_buttons))
 
 int __init bcm47xx_buttons_register(void)
 {
@@ -521,52 +595,52 @@ int __init bcm47xx_buttons_register(void)
 
 	switch (board) {
 	case BCM47XX_BOARD_ASUS_RTN10U:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_rtn10u);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_rtn10u);
 		break;
 	case BCM47XX_BOARD_ASUS_RTN12:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_rtn12);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_rtn12);
 		break;
 	case BCM47XX_BOARD_ASUS_RTN16:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_rtn16);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_rtn16);
 		break;
 	case BCM47XX_BOARD_ASUS_RTN66U:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_rtn66u);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_rtn66u);
 		break;
 	case BCM47XX_BOARD_ASUS_WL300G:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl300g);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl300g);
 		break;
 	case BCM47XX_BOARD_ASUS_WL320GE:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl320ge);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl320ge);
 		break;
 	case BCM47XX_BOARD_ASUS_WL330GE:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl330ge);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl330ge);
 		break;
 	case BCM47XX_BOARD_ASUS_WL500G:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl500g);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl500g);
 		break;
 	case BCM47XX_BOARD_ASUS_WL500GD:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl500gd);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl500gd);
 		break;
 	case BCM47XX_BOARD_ASUS_WL500GPV1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl500gpv1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl500gpv1);
 		break;
 	case BCM47XX_BOARD_ASUS_WL500GPV2:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl500gpv2);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl500gpv2);
 		break;
 	case BCM47XX_BOARD_ASUS_WL500W:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl500w);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl500w);
 		break;
 	case BCM47XX_BOARD_ASUS_WL520GC:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl520gc);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl520gc);
 		break;
 	case BCM47XX_BOARD_ASUS_WL520GU:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl520gu);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl520gu);
 		break;
 	case BCM47XX_BOARD_ASUS_WL700GE:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wl700ge);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wl700ge);
 		break;
 	case BCM47XX_BOARD_ASUS_WLHDD:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_asus_wlhdd);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_asus_wlhdd);
 		break;
 
 	case BCM47XX_BOARD_BELKIN_F7D3301:
@@ -574,193 +648,193 @@ int __init bcm47xx_buttons_register(void)
 	case BCM47XX_BOARD_BELKIN_F7D4301:
 	case BCM47XX_BOARD_BELKIN_F7D4302:
 	case BCM47XX_BOARD_BELKIN_F7D4401:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_belkin_f7d4301);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_belkin_f7d4301);
 		break;
 
 	case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_buffalo_whr2_a54g54);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_buffalo_whr2_a54g54);
 		break;
 	case BCM47XX_BOARD_BUFFALO_WHR_G125:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_buffalo_whr_g125);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_buffalo_whr_g125);
 		break;
 	case BCM47XX_BOARD_BUFFALO_WHR_G54S:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_buffalo_whr_g54s);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_buffalo_whr_g54s);
 		break;
 	case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_buffalo_whr_hp_g54);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_buffalo_whr_hp_g54);
 		break;
 	case BCM47XX_BOARD_BUFFALO_WZR_G300N:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_buffalo_wzr_g300n);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_buffalo_wzr_g300n);
 		break;
 	case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_buffalo_wzr_rs_g54);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_buffalo_wzr_rs_g54);
 		break;
 	case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_buffalo_wzr_rs_g54hp);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_buffalo_wzr_rs_g54hp);
 		break;
 
 	case BCM47XX_BOARD_DELL_TM2300:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_dell_tm2300);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_dell_tm2300);
 		break;
 
 	case BCM47XX_BOARD_DLINK_DIR130:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_dlink_dir130);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_dlink_dir130);
 		break;
 	case BCM47XX_BOARD_DLINK_DIR330:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_dlink_dir330);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_dlink_dir330);
 		break;
 
 	case BCM47XX_BOARD_HUAWEI_E970:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_huawei_e970);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_huawei_e970);
 		break;
 
 	case BCM47XX_BOARD_LINKSYS_E1000V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_e1000v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_e1000v1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_E1000V21:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_e1000v21);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_e1000v21);
 		break;
 	case BCM47XX_BOARD_LINKSYS_E2000V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_e2000v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_e2000v1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_E2500V3:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_e2500v3);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_e2500v3);
 		break;
 	case BCM47XX_BOARD_LINKSYS_E3000V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_e3000v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_e3000v1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_E3200V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_e3200v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_e3200v1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_E4200V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_e4200v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_e4200v1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT150NV1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt150nv1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt150nv1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT150NV11:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt150nv11);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt150nv11);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT160NV1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt160nv1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt160nv1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT160NV3:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt160nv3);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt160nv3);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT300N_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt300n_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt300n_v1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT300NV11:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt300nv11);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt300nv11);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT310NV1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt310nv1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt310nv1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT310NV2:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt310n_v2);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt310n_v2);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT320N_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt320n_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt320n_v1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt54g3gv2);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt54g3gv2);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0101:
 	case BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0467:
 	case BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0708:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt54g_generic);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt54g_generic);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT610NV1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt610nv1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt610nv1);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRT610NV2:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrt610nv2);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrt610nv2);
 		break;
 	case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_linksys_wrtsl54gs);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_linksys_wrtsl54gs);
 		break;
 
 	case BCM47XX_BOARD_LUXUL_ABR_4400_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_abr_4400_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_abr_4400_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XAP_310_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xap_310_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xap_310_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XAP_1210_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xap_1210_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xap_1210_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XAP_1230_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xap_1230_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xap_1230_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XAP_1240_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xap_1240_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xap_1240_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XAP_1500_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xap_1500_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xap_1500_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XBR_4400_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xbr_4400_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xbr_4400_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XVW_P30_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xvw_p30_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xvw_p30_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XWR_600_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xwr_600_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xwr_600_v1);
 		break;
 	case BCM47XX_BOARD_LUXUL_XWR_1750_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_luxul_xwr_1750_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_luxul_xwr_1750_v1);
 		break;
 
 	case BCM47XX_BOARD_MICROSOFT_MN700:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_microsoft_nm700);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_microsoft_nm700);
 		break;
 
 	case BCM47XX_BOARD_MOTOROLA_WE800G:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_motorola_we800g);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_motorola_we800g);
 		break;
 	case BCM47XX_BOARD_MOTOROLA_WR850GP:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_motorola_wr850gp);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_motorola_wr850gp);
 		break;
 	case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_motorola_wr850gv2v3);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_motorola_wr850gv2v3);
 		break;
 
 	case BCM47XX_BOARD_NETGEAR_R6200_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_r6200_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_r6200_v1);
 		break;
 	case BCM47XX_BOARD_NETGEAR_R6300_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_r6300_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_r6300_v1);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WN2500RP_V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wn2500rp_v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wn2500rp_v1);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wndr3400v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wndr3400v1);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNDR3400_V3:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wndr3400_v3);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wndr3400_v3);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wndr3700v3);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wndr3700v3);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNDR4500V1:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wndr4500v1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wndr4500v1);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNR1000_V3:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wnr1000_v3);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wnr1000_v3);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNR3500L:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wnr3500lv1);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wnr3500lv1);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNR3500L_V2:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wnr3500lv2);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wnr3500lv2);
 		break;
 	case BCM47XX_BOARD_NETGEAR_WNR834BV2:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_netgear_wnr834bv2);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_netgear_wnr834bv2);
 		break;
 
 	case BCM47XX_BOARD_SIMPLETECH_SIMPLESHARE:
-		err = bcm47xx_copy_bdata(bcm47xx_buttons_simpletech_simpleshare);
+		err = bcm47xx_add_bdata(bcm47xx_buttons_simpletech_simpleshare);
 		break;
 
 	default:
@@ -769,13 +843,7 @@ int __init bcm47xx_buttons_register(void)
 	}
 
 	if (err)
-		return -ENOMEM;
-
-	err = platform_device_register(&bcm47xx_buttons_gpio_keys);
-	if (err) {
-		pr_err("Failed to register platform device: %d\n", err);
 		return err;
-	}
 
 	return 0;
 }
diff --git a/arch/mips/include/asm/gio_device.h b/arch/mips/include/asm/gio_device.h
index f9c102f038d6..6e9d2897347d 100644
--- a/arch/mips/include/asm/gio_device.h
+++ b/arch/mips/include/asm/gio_device.h
@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/device.h>
-#include <linux/mod_devicetable.h>
 
 struct gio_device_id {
 	__u8 id;
diff --git a/arch/mips/include/asm/txx9/generic.h b/arch/mips/include/asm/txx9/generic.h
index 9a2c47bf3c40..653315fb6ca5 100644
--- a/arch/mips/include/asm/txx9/generic.h
+++ b/arch/mips/include/asm/txx9/generic.h
@@ -45,7 +45,6 @@ extern int (*txx9_irq_dispatch)(int pending);
 const char *prom_getenv(const char *name);
 void txx9_wdt_init(unsigned long base);
 void txx9_wdt_now(unsigned long base);
-void txx9_spi_init(int busid, unsigned long base, int irq);
 void txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr);
 void txx9_sio_init(unsigned long baseaddr, int irq,
 		   unsigned int line, unsigned int sclk, int nocts);
@@ -80,15 +79,9 @@ static inline unsigned int __fls8(unsigned char x)
 	return r;
 }
 
-void txx9_iocled_init(unsigned long baseaddr,
-		      int basenum, unsigned int num, int lowactive,
+void txx9_iocled_init(unsigned long baseaddr, unsigned int num,
 		      const char *color, char **deftriggers);
 
-/* 7SEG LED */
-void txx9_7segled_init(unsigned int num,
-		       void (*putc)(unsigned int pos, unsigned char val));
-int txx9_7segled_putc(unsigned int pos, char c);
-
 void __init txx9_aclc_init(unsigned long baseaddr, int irq,
 			   unsigned int dmac_id,
 			   unsigned int dma_chan_out,
diff --git a/arch/mips/include/asm/txx9/tx4938.h b/arch/mips/include/asm/txx9/tx4938.h
index 6ca767ee6467..765f7d6a44d3 100644
--- a/arch/mips/include/asm/txx9/tx4938.h
+++ b/arch/mips/include/asm/txx9/tx4938.h
@@ -281,7 +281,6 @@ void tx4938_wdt_init(void);
 void tx4938_setup(void);
 void tx4938_time_init(unsigned int tmrnr);
 void tx4938_sio_init(unsigned int sclk, unsigned int cts_mask);
-void tx4938_spi_init(int busid);
 void tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1);
 int tx4938_report_pciclk(void);
 void tx4938_report_pci1clk(void);
diff --git a/arch/mips/include/asm/txx9pio.h b/arch/mips/include/asm/txx9pio.h
index 3d6fa9f8d513..c33a97724400 100644
--- a/arch/mips/include/asm/txx9pio.h
+++ b/arch/mips/include/asm/txx9pio.h
@@ -23,7 +23,6 @@ struct txx9_pio_reg {
 	__u32 maskext;
 };
 
-int txx9_gpio_init(unsigned long baseaddr,
-		   unsigned int base, unsigned int num);
+int txx9_gpio_init(unsigned long baseaddr, unsigned int num);
 
 #endif /* __ASM_TXX9PIO_H */
diff --git a/arch/mips/kernel/gpio_txx9.c b/arch/mips/kernel/gpio_txx9.c
index 96ac40d20c23..b2e73263d94c 100644
--- a/arch/mips/kernel/gpio_txx9.c
+++ b/arch/mips/kernel/gpio_txx9.c
@@ -76,13 +76,12 @@ static struct gpio_chip txx9_gpio_chip = {
 	.label = "TXx9",
 };
 
-int __init txx9_gpio_init(unsigned long baseaddr,
-			  unsigned int base, unsigned int num)
+int __init txx9_gpio_init(unsigned long baseaddr, unsigned int num)
 {
 	txx9_pioptr = ioremap(baseaddr, sizeof(struct txx9_pio_reg));
 	if (!txx9_pioptr)
 		return -ENODEV;
-	txx9_gpio_chip.base = base;
+	txx9_gpio_chip.base = -1;
 	txx9_gpio_chip.ngpio = num;
 	return gpiochip_add_data(&txx9_gpio_chip, NULL);
 }
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 5401c679813a..5f49fd4653a7 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -109,7 +109,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		seq_puts(m, " mips64r5");
 	if (cpu_has_mips64r6)
 		seq_puts(m, " mips64r6");
-	seq_puts(m, "\n");
+	seq_putc(m, '\n');
 
 	seq_puts(m, "ASEs implemented\t:");
 	if (cpu_has_mips16)
@@ -273,7 +273,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		seq_puts(m, " mm_sysad");
 	if (cpu_has_mm_full)
 		seq_puts(m, " mm_full");
-	seq_puts(m, "\n");
+	seq_putc(m, '\n');
 
 	seq_printf(m, "shadow register sets\t: %d\n",
 		      cpu_data[n].srsets);
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 92b759a434c0..7335efa4d528 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -37,7 +37,6 @@ config SOC_TX4927
 	select IRQ_TXX9
 	select PCI_TX4927
 	select GPIO_TXX9
-	select GPIOLIB_LEGACY
 
 config SOC_TX4938
 	bool
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 6c5025806914..5f66236038c8 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -19,6 +19,7 @@
 #include <linux/clkdev.h>
 #include <linux/err.h>
 #include <linux/gpio/driver.h>
+#include <linux/gpio/machine.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/txx9/ndfmc.h>
 #include <linux/serial_core.h>
@@ -341,23 +342,6 @@ void txx9_wdt_now(unsigned long base)
 		     &tmrptr->tcr);
 }
 
-/* SPI support */
-void __init txx9_spi_init(int busid, unsigned long base, int irq)
-{
-	struct resource res[] = {
-		{
-			.start	= base,
-			.end	= base + 0x20 - 1,
-			.flags	= IORESOURCE_MEM,
-		}, {
-			.start	= irq,
-			.flags	= IORESOURCE_IRQ,
-		},
-	};
-	platform_device_register_simple("spi_txx9", busid,
-					res, ARRAY_SIZE(res));
-}
-
 void __init txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr)
 {
 	struct platform_device *pdev =
@@ -586,7 +570,7 @@ void __init txx9_ndfmc_init(unsigned long baseaddr,
 #if IS_ENABLED(CONFIG_LEDS_GPIO)
 static DEFINE_SPINLOCK(txx9_iocled_lock);
 
-#define TXX9_IOCLED_MAXLEDS 8
+#define TXX9_IOCLED_MAXLEDS 3	/* rbtx4927 */
 
 struct txx9_iocled_data {
 	struct gpio_chip chip;
@@ -632,8 +616,16 @@ static int txx9_iocled_dir_out(struct gpio_chip *chip, unsigned int offset,
 	return 0;
 }
 
-void __init txx9_iocled_init(unsigned long baseaddr,
-			     int basenum, unsigned int num, int lowactive,
+static struct gpiod_lookup_table txx9_iocled_table = {
+	.table = {
+		GPIO_LOOKUP_IDX("iocled", 0, NULL, 0, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("iocled", 1, NULL, 1, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("iocled", 2, NULL, 2, GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
+void __init txx9_iocled_init(unsigned long baseaddr, unsigned int num,
 			     const char *color, char **deftriggers)
 {
 	struct txx9_iocled_data *iocled;
@@ -659,14 +651,12 @@ void __init txx9_iocled_init(unsigned long baseaddr,
 	iocled->chip.direction_input = txx9_iocled_dir_in;
 	iocled->chip.direction_output = txx9_iocled_dir_out;
 	iocled->chip.label = "iocled";
-	iocled->chip.base = basenum;
+	iocled->chip.base = -1;
 	iocled->chip.ngpio = num;
 	if (gpiochip_add_data(&iocled->chip, iocled))
 		goto out_unmap;
-	if (basenum < 0)
-		basenum = iocled->chip.base;
 
-	pdev = platform_device_alloc("leds-gpio", basenum);
+	pdev = platform_device_alloc("leds-gpio", iocled->chip.base);
 	if (!pdev)
 		goto out_gpio;
 	iocled->pdata.num_leds = num;
@@ -676,14 +666,14 @@ void __init txx9_iocled_init(unsigned long baseaddr,
 		snprintf(iocled->names[i], sizeof(iocled->names[i]),
 			 "iocled:%s:%u", color, i);
 		led->name = iocled->names[i];
-		led->gpio = basenum + i;
-		led->active_low = lowactive;
 		if (deftriggers && *deftriggers)
 			led->default_trigger = *deftriggers++;
 	}
 	pdev->dev.platform_data = &iocled->pdata;
 	if (platform_device_add(pdev))
 		goto out_pdev;
+	txx9_iocled_table.dev_id = dev_name(&pdev->dev);
+	gpiod_add_lookup_table(&txx9_iocled_table);
 	return;
 
 out_pdev:
@@ -696,8 +686,7 @@ out_free:
 	kfree(iocled);
 }
 #else /* CONFIG_LEDS_GPIO */
-void __init txx9_iocled_init(unsigned long baseaddr,
-			     int basenum, unsigned int num, int lowactive,
+void __init txx9_iocled_init(unsigned long baseaddr, unsigned int num,
 			     const char *color, char **deftriggers)
 {
 }
diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c
index ba646548c5f6..bfd6540f8f6a 100644
--- a/arch/mips/txx9/generic/setup_tx4938.c
+++ b/arch/mips/txx9/generic/setup_tx4938.c
@@ -301,12 +301,6 @@ void __init tx4938_sio_init(unsigned int sclk, unsigned int cts_mask)
 	}
 }
 
-void __init tx4938_spi_init(int busid)
-{
-	txx9_spi_init(busid, TX4938_SPI_REG & 0xfffffffffULL,
-		      TXX9_IRQ_BASE + TX4938_IR_SPI);
-}
-
 void __init tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1)
 {
 	u64 pcfg = __raw_readq(&tx4938_ccfgptr->pcfg);
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 31955c1d5555..223889c03186 100644
--- a/arch/mips/txx9/rbtx4927/setup.c
+++ b/arch/mips/txx9/rbtx4927/setup.c
@@ -49,6 +49,7 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
+#include <linux/gpio/machine.h>
 #include <linux/leds.h>
 #include <asm/io.h>
 #include <asm/reboot.h>
@@ -157,18 +158,27 @@ static inline void tx4927_pci_setup(void) {}
 static inline void tx4937_pci_setup(void) {}
 #endif /* CONFIG_PCI */
 
+/* TX4927-SIO DTR on (PIO[15]) */
+GPIO_LOOKUP_SINGLE(sio_gpio_table, NULL, "TXx9", 15, "sio-dtr",
+		   GPIO_ACTIVE_HIGH);
+
 static void __init rbtx4927_gpio_init(void)
 {
-	/* TX4927-SIO DTR on (PIO[15]) */
-	gpio_request(15, "sio-dtr");
-	gpio_direction_output(15, 1);
+	struct gpio_desc *d;
+
+	gpiod_add_lookup_table(&sio_gpio_table);
+	d = gpiod_get(NULL, "sio-dtr", GPIOD_OUT_HIGH);
+	if (IS_ERR(d))
+		pr_err("Unable to get sio-dtr GPIO descriptor\n");
+	else
+		gpiod_put(d);
 
 	tx4927_sio_init(0, 0);
 }
 
 static void __init rbtx4927_arch_init(void)
 {
-	txx9_gpio_init(TX4927_PIO_REG & 0xfffffffffULL, 0, TX4927_NUM_PIO);
+	txx9_gpio_init(TX4927_PIO_REG & 0xfffffffffULL, TX4927_NUM_PIO);
 
 	rbtx4927_gpio_init();
 
@@ -177,7 +187,7 @@ static void __init rbtx4927_arch_init(void)
 
 static void __init rbtx4937_arch_init(void)
 {
-	txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, TX4938_NUM_PIO);
+	txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, TX4938_NUM_PIO);
 
 	rbtx4927_gpio_init();
 
@@ -317,11 +327,19 @@ static void __init rbtx4927_mtd_init(void)
 		tx4927_mtd_init(i);
 }
 
+static struct gpiod_lookup_table rbtx4927_gpioled_table = {
+	.table = {
+		GPIO_LOOKUP_IDX("TXx9", 0, NULL, 0, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("TXx9", 1, NULL, 1, GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
 static void __init rbtx4927_gpioled_init(void)
 {
 	static const struct gpio_led leds[] = {
-		{ .name = "gpioled:green:0", .gpio = 0, .active_low = 1, },
-		{ .name = "gpioled:green:1", .gpio = 1, .active_low = 1, },
+		{ .name = "gpioled:green:0", },
+		{ .name = "gpioled:green:1", },
 	};
 	static struct gpio_led_platform_data pdata = {
 		.num_leds = ARRAY_SIZE(leds),
@@ -332,8 +350,13 @@ static void __init rbtx4927_gpioled_init(void)
 	if (!pdev)
 		return;
 	pdev->dev.platform_data = &pdata;
-	if (platform_device_add(pdev))
+	if (platform_device_add(pdev)) {
 		platform_device_put(pdev);
+		return;
+	}
+
+	rbtx4927_gpioled_table.dev_id = dev_name(&pdev->dev);
+	gpiod_add_lookup_table(&rbtx4927_gpioled_table);
 }
 
 static void __init rbtx4927_device_init(void)
@@ -350,7 +373,7 @@ static void __init rbtx4927_device_init(void)
 		tx4938_aclc_init();
 	}
 	platform_device_register_simple("txx9aclc-generic", -1, NULL, 0);
-	txx9_iocled_init(RBTX4927_LED_ADDR - IO_BASE, -1, 3, 1, "green", NULL);
+	txx9_iocled_init(RBTX4927_LED_ADDR - IO_BASE, 3, "green", NULL);
 	rbtx4927_gpioled_init();
 }
 
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
index 658c7e2ac8bf..ea45222f2fa0 100644
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -19,6 +19,11 @@
 
 #define BCMA_GPIO_MAX_PINS	32
 
+const struct software_node bcma_gpio_swnode = {
+	.name = "bcma-gpio",
+};
+EXPORT_SYMBOL_GPL(bcma_gpio_swnode);
+
 static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
 {
 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
@@ -190,7 +195,20 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
 	chip->direction_input	= bcma_gpio_direction_input;
 	chip->direction_output	= bcma_gpio_direction_output;
 	chip->parent		= bus->dev;
-	chip->fwnode		= dev_fwnode(&cc->core->dev);
+
+	/*
+	 * Register software node only for the host SoC bus, unless there is
+	 * already a firmware node assigned. There is only one SoC instance
+	 * in the system, so there are no concerns with registration conflicts.
+	 */
+	if (bus->hosttype == BCMA_HOSTTYPE_SOC && !dev_fwnode(&cc->core->dev)) {
+		err = software_node_register(&bcma_gpio_swnode);
+		if (err)
+			return err;
+		chip->fwnode = software_node_fwnode(&bcma_gpio_swnode);
+	} else {
+		chip->fwnode = dev_fwnode(&cc->core->dev);
+	}
 
 	switch (bus->chipinfo.id) {
 	case BCMA_CHIP_ID_BCM4707:
@@ -219,20 +237,33 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
 
 	err = bcma_gpio_irq_init(cc);
 	if (err)
-		return err;
+		goto err_unregister_swnode;
 
 	err = gpiochip_add_data(chip, cc);
-	if (err) {
-		bcma_gpio_irq_exit(cc);
-		return err;
-	}
+	if (err)
+		goto err_irq_exit;
 
 	return 0;
+
+err_irq_exit:
+	bcma_gpio_irq_exit(cc);
+err_unregister_swnode:
+	if (bus->hosttype == BCMA_HOSTTYPE_SOC &&
+	    chip->fwnode && is_software_node(chip->fwnode)) {
+		software_node_unregister(&bcma_gpio_swnode);
+		chip->fwnode = NULL;
+	}
+	return err;
 }
 
 int bcma_gpio_unregister(struct bcma_drv_cc *cc)
 {
 	bcma_gpio_irq_exit(cc);
 	gpiochip_remove(&cc->gpio);
+	if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC &&
+	    cc->gpio.fwnode && is_software_node(cc->gpio.fwnode)) {
+		software_node_unregister(&bcma_gpio_swnode);
+		cc->gpio.fwnode = NULL;
+	}
 	return 0;
 }
diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c
index 905657c925bc..87922479946c 100644
--- a/drivers/ssb/driver_gpio.c
+++ b/drivers/ssb/driver_gpio.c
@@ -15,8 +15,14 @@
 #include <linux/interrupt.h>
 #include <linux/irqdomain.h>
 #include <linux/export.h>
+#include <linux/property.h>
 #include <linux/ssb/ssb.h>
 
+const struct software_node ssb_gpio_swnode = {
+	.name = "ssb-gpio",
+};
+EXPORT_SYMBOL_GPL(ssb_gpio_swnode);
+
 
 /**************************************************
  * Shared
@@ -232,6 +238,8 @@ static int ssb_gpio_chipco_init(struct ssb_bus *bus)
 	chip->to_irq		= ssb_gpio_to_irq;
 #endif
 	chip->ngpio		= 16;
+	if (bus->bustype == SSB_BUSTYPE_SSB)
+		chip->fwnode	= software_node_fwnode(&ssb_gpio_swnode);
 	/* There is just one SoC in one device and its GPIO addresses should be
 	 * deterministic to address them more easily. The other buses could get
 	 * a random base number.
@@ -433,10 +441,12 @@ static int ssb_gpio_extif_init(struct ssb_bus *bus)
 	 * deterministic to address them more easily. The other buses could get
 	 * a random base number.
 	 */
-	if (bus->bustype == SSB_BUSTYPE_SSB)
-		chip->base		= 0;
-	else
-		chip->base		= -1;
+	if (bus->bustype == SSB_BUSTYPE_SSB) {
+		chip->base	= 0;
+		chip->fwnode	= software_node_fwnode(&ssb_gpio_swnode);
+	} else {
+		chip->base	= -1;
+	}
 
 	err = ssb_gpio_irq_extif_domain_init(bus);
 	if (err)
@@ -464,11 +474,33 @@ static int ssb_gpio_extif_init(struct ssb_bus *bus)
 
 int ssb_gpio_init(struct ssb_bus *bus)
 {
+	int err = 0;
+
+	/*
+	 * Register software node only for the host SoC bus. There is only
+	 * one SoC instance in the system, so there are no concerns with
+	 * registration conflicts.
+	 */
+	if (bus->bustype == SSB_BUSTYPE_SSB) {
+		err = software_node_register(&ssb_gpio_swnode);
+		if (err)
+			return err;
+	}
+
 	if (ssb_chipco_available(&bus->chipco))
-		return ssb_gpio_chipco_init(bus);
+		err = ssb_gpio_chipco_init(bus);
 	else if (ssb_extif_available(&bus->extif))
-		return ssb_gpio_extif_init(bus);
-	return -1;
+		err = ssb_gpio_extif_init(bus);
+	else
+		err = -ENODEV;
+
+	if (err) {
+		if (bus->bustype == SSB_BUSTYPE_SSB)
+			software_node_unregister(&ssb_gpio_swnode);
+		return err;
+	}
+
+	return 0;
 }
 
 int ssb_gpio_unregister(struct ssb_bus *bus)
@@ -476,6 +508,8 @@ int ssb_gpio_unregister(struct ssb_bus *bus)
 	if (ssb_chipco_available(&bus->chipco) ||
 	    ssb_extif_available(&bus->extif)) {
 		gpiochip_remove(&bus->gpio);
+		if (bus->bustype == SSB_BUSTYPE_SSB)
+			software_node_unregister(&ssb_gpio_swnode);
 		return 0;
 	}
 	return -1;
diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index f02cb3909375..17fc50190014 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -486,4 +486,6 @@ extern u32 bcma_core_dma_translation(struct bcma_device *core);
 
 extern unsigned int bcma_core_irq(struct bcma_device *core, int num);
 
+extern const struct software_node bcma_gpio_swnode;
+
 #endif /* LINUX_BCMA_H_ */
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 7fee9afa9458..67cb66f6f5ed 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -671,4 +671,6 @@ int ssb_pcibios_plat_dev_init(struct pci_dev *dev);
 int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 #endif /* CONFIG_SSB_EMBEDDED */
 
+extern const struct software_node ssb_gpio_swnode;
+
 #endif /* LINUX_SSB_H_ */