We can rely on the device tree to provide the GPIO information.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v3: None Changes in v2: None
arch/arm/mach-bcm283x/include/mach/gpio.h | 5 ----- board/raspberrypi/rpi/rpi.c | 9 --------- drivers/gpio/bcm2835_gpio.c | 20 ++++++++++++++++++++ 3 files changed, 20 insertions(+), 14 deletions(-)
diff --git a/arch/arm/mach-bcm283x/include/mach/gpio.h b/arch/arm/mach-bcm283x/include/mach/gpio.h index c8ef8f5..7b4ddc9 100644 --- a/arch/arm/mach-bcm283x/include/mach/gpio.h +++ b/arch/arm/mach-bcm283x/include/mach/gpio.h @@ -9,11 +9,6 @@ #ifndef _BCM2835_GPIO_H_ #define _BCM2835_GPIO_H_
-#ifdef CONFIG_BCM2836 -#define BCM2835_GPIO_BASE 0x3f200000 -#else -#define BCM2835_GPIO_BASE 0x20200000 -#endif #define BCM2835_GPIO_COUNT 54
#define BCM2835_GPIO_FSEL_MASK 0x7 diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c index 7de1921..39f451f 100644 --- a/board/raspberrypi/rpi/rpi.c +++ b/board/raspberrypi/rpi/rpi.c @@ -19,15 +19,6 @@
DECLARE_GLOBAL_DATA_PTR;
-static const struct bcm2835_gpio_platdata gpio_platdata = { - .base = BCM2835_GPIO_BASE, -}; - -U_BOOT_DEVICE(bcm2835_gpios) = { - .name = "gpio_bcm2835", - .platdata = &gpio_platdata, -}; - struct msg_get_arm_mem { struct bcm2835_mbox_hdr hdr; struct bcm2835_mbox_tag_get_arm_mem get_arm_mem; diff --git a/drivers/gpio/bcm2835_gpio.c b/drivers/gpio/bcm2835_gpio.c index fbc641d..f571b0b 100644 --- a/drivers/gpio/bcm2835_gpio.c +++ b/drivers/gpio/bcm2835_gpio.c @@ -114,9 +114,29 @@ static int bcm2835_gpio_probe(struct udevice *dev) return 0; }
+#ifdef CONFIG_OF_CONTROL +static int bcm2835_gpio_ofdata_to_platdata(struct udevice *dev) +{ + struct bcm2835_gpio_platdata *plat = dev_get_platdata(dev); + + plat->base = dev_get_addr(dev); + if (plat->base == FDT_ADDR_T_NONE) + return -EINVAL; + + return 0; +} + +static const struct udevice_id bcm2835_gpio_id[] = { + {.compatible = "brcm,bcm2835-gpio"}, + {} +}; +#endif + U_BOOT_DRIVER(gpio_bcm2835) = { .name = "gpio_bcm2835", .id = UCLASS_GPIO, + .of_match = of_match_ptr(bcm2835_gpio_id), + .ofdata_to_platdata = of_match_ptr(bcm2835_gpio_ofdata_to_platdata), .ops = &gpio_bcm2835_ops, .probe = bcm2835_gpio_probe, .priv_auto_alloc_size = sizeof(struct bcm2835_gpios),