wireless devices. For now AR9285 and AR9287 are supported.
Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
-Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
#include "common.h"
#include "debug.h"
-@@ -963,6 +964,14 @@ struct ath_led {
+@@ -1001,6 +1002,14 @@ struct ath_led {
struct led_classdev cdev;
};
struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
-@@ -1017,6 +1026,9 @@ struct ath_softc {
+@@ -1058,6 +1067,9 @@ struct ath_softc {
#ifdef CPTCFG_MAC80211_LEDS
const char *led_default_trigger;
struct list_head leds;
#ifdef CPTCFG_ATH9K_DEBUGFS
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
-@@ -16,12 +16,138 @@
+@@ -16,13 +16,139 @@
#include "ath9k.h"
#include <linux/ath9k_platform.h>
+ struct ath9k_gpio_chip *gc = container_of(chip, struct ath9k_gpio_chip,
+ gchip);
+
-+ ath9k_hw_cfg_gpio_input(gc->sc->sc_ah, offset);
++ ath9k_hw_gpio_request_in(gc->sc->sc_ah, offset, "ath9k-gpio");
+
+ return 0;
+}
+ struct ath9k_gpio_chip *gc = container_of(chip, struct ath9k_gpio_chip,
+ gchip);
+
-+ ath9k_hw_cfg_output(gc->sc->sc_ah, offset,
-+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
++ ath9k_hw_gpio_request_out(gc->sc->sc_ah, offset, "ath9k-gpio",
++ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_set_gpio(gc->sc->sc_ah, offset, value);
+
+ return 0;
+static void ath9k_register_gpio_chip(struct ath_softc *sc)
+{
+ struct ath9k_gpio_chip *gc;
-+ u16 ng;
-+
-+ /* for now only AR9285 and AR9287 are recognized */
-+ if (AR_SREV_9287(sc->sc_ah))
-+ ng = AR9287_NUM_GPIO;
-+ else if (AR_SREV_9285(sc->sc_ah))
-+ ng = AR9285_NUM_GPIO;
-+ else
-+ return;
++ struct ath_hw *ah = sc->sc_ah;
+
+ gc = kzalloc(sizeof(struct ath9k_gpio_chip), GFP_KERNEL);
+ if (!gc)
+ return;
+
++ gc->sc = sc;
+ snprintf(gc->label, sizeof(gc->label), "ath9k-%s",
+ wiphy_name(sc->hw->wiphy));
++#ifdef CONFIG_OF
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0)
++ gc->gchip.parent = sc->dev;
++#else
++ gc->gchip.dev = sc->dev;
++#endif
++#endif
+ gc->gchip.label = gc->label;
+ gc->gchip.base = -1; /* determine base automatically */
-+ gc->gchip.ngpio = ng;
++ gc->gchip.ngpio = ah->caps.num_gpio_pins;
+ gc->gchip.direction_input = ath9k_gpio_pin_cfg_input;
+ gc->gchip.direction_output = ath9k_gpio_pin_cfg_output;
+ gc->gchip.get_direction = ath9k_gpio_pin_get_dir;
+ gc->gchip.get = ath9k_gpio_pin_get;
+ gc->gchip.set = ath9k_gpio_pin_set;
-+ gc->gchip.owner = THIS_MODULE;
+
+ if (gpiochip_add(&gc->gchip)) {
+ kfree(gc);
+ return;
+ }
+
++#ifdef CONFIG_OF
++ gc->gchip.owner = NULL;
++#endif
+ sc->gpiochip = gc;
-+ gc->sc = sc;
+}
+
+/* remove GPIO chip */
/********************************/
-#ifdef CPTCFG_MAC80211_LEDS
- static void ath_led_brightness(struct led_classdev *led_cdev,
- enum led_brightness brightness)
+-
+ static void ath_fill_led_pin(struct ath_softc *sc)
{
-@@ -60,6 +186,12 @@ static int ath_add_led(struct ath_softc
+ struct ath_hw *ah = sc->sc_ah;
+@@ -80,6 +206,12 @@ static int ath_add_led(struct ath_softc
else
ath9k_hw_set_gpio(sc->sc_ah, gpio->gpio, gpio->active_low);
return 0;
}
-@@ -116,11 +248,17 @@ void ath_deinit_leds(struct ath_softc *s
+@@ -136,17 +268,24 @@ void ath_deinit_leds(struct ath_softc *s
while (!list_empty(&sc->leds)) {
led = list_first_entry(&sc->leds, struct ath_led, list);
list_del(&led->list);
ath_led_brightness(&led->cdev, LED_OFF);
led_classdev_unregister(&led->cdev);
+ ath9k_hw_gpio_free(sc->sc_ah, led->gpio->gpio);
kfree(led);
}
+ ath9k_unregister_gpio_chip(sc);
}
void ath_init_leds(struct ath_softc *sc)
-@@ -135,6 +273,8 @@ void ath_init_leds(struct ath_softc *sc)
+ {
+ struct ath9k_platform_data *pdata = sc->dev->platform_data;
++ struct device_node *np = sc->dev->of_node;
+ char led_name[32];
+ const char *trigger;
+ int i;
+@@ -156,6 +295,15 @@ void ath_init_leds(struct ath_softc *sc)
if (AR_SREV_9100(sc->sc_ah))
return;
-+ ath9k_register_gpio_chip(sc);
++ if (!np)
++ ath9k_register_gpio_chip(sc);
+
- if (pdata && pdata->led_name)
- strncpy(led_name, pdata->led_name, sizeof(led_name));
- else
-@@ -186,6 +326,7 @@ void ath_fill_led_pin(struct ath_softc *
- /* LED off, active low */
- ath9k_hw_set_gpio(ah, ah->led_pin, (ah->config.led_active_high) ? 0 : 1);
++ /* setup gpio controller only if requested and skip the led_pin setup */
++ if (of_property_read_bool(np, "gpio-controller")) {
++ ath9k_register_gpio_chip(sc);
++ return;
++ }
++
+ ath_fill_led_pin(sc);
+
+ if (pdata && pdata->leds && pdata->num_leds)
+@@ -180,6 +328,7 @@ void ath_init_leds(struct ath_softc *sc)
+ ath_create_gpio_led(sc, sc->sc_ah->led_pin, led_name, trigger,
+ !sc->sc_ah->config.led_active_high);
}
+
#endif
projects / openwrt / openwrt.git / blobdiff