bcm2835: Switch to firmware driver

defconfig: enable BCM2835_MBOX, RASPBERRYPI_FIRMWARE and BCM_VCIO.

Add firmware node and change mailbox node in Device Tree.

Signed-off-by: Noralf Trønnes <[email protected]>

Author: notro

arch/arm/boot/dts/bcm2835.dtsi

@@ -62,9 +62,10 @@
 		};
 
 		mailbox: mailbox@7e00b800 {
-			compatible = "brcm,bcm2708-vcio";
+			compatible = "brcm,bcm2835-mbox";
 			reg = <0x7e00b880 0x40>;
 			interrupts = <0 1>;
+			#mbox-cells = <0>;
 		};
 
 		gpio: gpio@7e200000 {

arch/arm/configs/bcm2835_defconfig

@@ -568,6 +568,7 @@ CONFIG_HW_RANDOM_BCM2835=m
 CONFIG_RAW_DRIVER=y
 CONFIG_BRCM_CHAR_DRIVERS=y
 CONFIG_BCM_VC_CMA=y
+CONFIG_BCM_VCIO=y
 CONFIG_BCM_VC_SM=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=m
@@ -1064,9 +1065,11 @@ CONFIG_FB_FLEX=m
 CONFIG_FB_TFT_FBTFT_DEVICE=m
 CONFIG_MAILBOX=y
 CONFIG_BCM2708_MBOX=y
+CONFIG_BCM2835_MBOX=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXTCON=m
 CONFIG_EXTCON_ARIZONA=m
+CONFIG_RASPBERRYPI_FIRMWARE=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y