Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com>
---
v2: keep changes minimal as suggested by Jonas
diff --git a/target/linux/brcm63xx/patches-3.14/375-DT-GPIO-over-legacy.patch
b/target/linux/brcm63xx/patches-3.14/375-DT-GPIO-over-legacy.patch
new file mode 100644
index 0000000..8c9bfc8
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.14/375-DT-GPIO-over-legacy.patch
@@ -0,0 +1,45 @@
+diff -uprN a/arch/mips/bcm63xx/boards/board_common.c
b/arch/mips/bcm63xx/boards/board_common.c
+--- a/arch/mips/bcm63xx/boards/board_common.c 2014-12-10 13:14:58.299519952
+0100
++++ b/arch/mips/bcm63xx/boards/board_common.c 2014-12-13 02:24:59.308489309
+0100
+@@ -222,6 +222,10 @@ int __init board_register_devices(void)
+ }
+ #endif
+
++ if (!board_of_device_present("gpio0")) {
++ bcm63xx_gpio_init();
++ }
++
+ if (board.has_uart0)
+ bcm63xx_uart_register(0);
+
+@@ -287,7 +291,7 @@ int __init board_register_devices(void)
+ while (led_count < ARRAY_SIZE(board.leds) && board.leds[led_count].name)
+ led_count++;
+
+- if (led_count) {
++ if (led_count && !board_of_device_present("gpio0")) {
+ bcm63xx_led_data.num_leds = led_count;
+ bcm63xx_led_data.leds = board.leds;
+
+@@ -302,7 +306,7 @@ int __init board_register_devices(void)
+ while (button_count < ARRAY_SIZE(board.buttons) &&
board.buttons[button_count].desc)
+ button_count++;
+
+- if (button_count) {
++ if (button_count && !board_of_device_present("gpio0")) {
+ bcm63xx_gpio_keys_data.nbuttons = button_count;
+ bcm63xx_gpio_keys_data.buttons = board.buttons;
+
+diff -uprN a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
+--- a/arch/mips/bcm63xx/prom.c 2014-12-10 13:14:58.299519952 +0100
++++ b/arch/mips/bcm63xx/prom.c 2014-12-10 13:16:13.879516528 +0100
+@@ -54,9 +54,6 @@ void __init prom_init(void)
+ reg &= ~mask;
+ bcm_perf_writel(reg, PERF_CKCTL_REG);
+
+- /* register gpiochip */
+- bcm63xx_gpio_init();
+-
+ /* detect and setup flash access */
+ bcm63xx_flash_detect();
+
diff --git a/target/linux/brcm63xx/patches-3.18/375-DT-GPIO-over-legacy.patch
b/target/linux/brcm63xx/patches-3.18/375-DT-GPIO-over-legacy.patch
new file mode 100644
index 0000000..8c9bfc8
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.18/375-DT-GPIO-over-legacy.patch
@@ -0,0 +1,45 @@
+diff -uprN a/arch/mips/bcm63xx/boards/board_common.c
b/arch/mips/bcm63xx/boards/board_common.c
+--- a/arch/mips/bcm63xx/boards/board_common.c 2014-12-10 13:14:58.299519952
+0100
++++ b/arch/mips/bcm63xx/boards/board_common.c 2014-12-13 02:24:59.308489309
+0100
+@@ -222,6 +222,10 @@ int __init board_register_devices(void)
+ }
+ #endif
+
++ if (!board_of_device_present("gpio0")) {
++ bcm63xx_gpio_init();
++ }
++
+ if (board.has_uart0)
+ bcm63xx_uart_register(0);
+
+@@ -287,7 +291,7 @@ int __init board_register_devices(void)
+ while (led_count < ARRAY_SIZE(board.leds) && board.leds[led_count].name)
+ led_count++;
+
+- if (led_count) {
++ if (led_count && !board_of_device_present("gpio0")) {
+ bcm63xx_led_data.num_leds = led_count;
+ bcm63xx_led_data.leds = board.leds;
+
+@@ -302,7 +306,7 @@ int __init board_register_devices(void)
+ while (button_count < ARRAY_SIZE(board.buttons) &&
board.buttons[button_count].desc)
+ button_count++;
+
+- if (button_count) {
++ if (button_count && !board_of_device_present("gpio0")) {
+ bcm63xx_gpio_keys_data.nbuttons = button_count;
+ bcm63xx_gpio_keys_data.buttons = board.buttons;
+
+diff -uprN a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
+--- a/arch/mips/bcm63xx/prom.c 2014-12-10 13:14:58.299519952 +0100
++++ b/arch/mips/bcm63xx/prom.c 2014-12-10 13:16:13.879516528 +0100
+@@ -54,9 +54,6 @@ void __init prom_init(void)
+ reg &= ~mask;
+ bcm_perf_writel(reg, PERF_CKCTL_REG);
+
+- /* register gpiochip */
+- bcm63xx_gpio_init();
+-
+ /* detect and setup flash access */
+ bcm63xx_flash_detect();
+
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