[PATCH] BCM283x JTAG pins on ALT5 Function

henryzhang62 at gmail.com henryzhang62 at gmail.com
Sun Dec 24 13:18:02 PST 2017


From: Henry Zhang <henryzhang62 at gmail.com>

BCM2835 ARM Peripherals doc shows gpio pins 4, 5, 6, 12 and 13
carry altenate function, ALT5 for ARM JTAG

Signed-off-by: Henry Zhang <henryzhang62 at gmail.com>
---
 arch/arm/boot/dts/bcm283x.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index dcde93c..64971e4 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -251,7 +251,7 @@
 
 			jtag_gpio4: jtag_gpio4 {
 				brcm,pins = <4 5 6 12 13>;
-				brcm,function = <BCM2835_FSEL_ALT4>;
+				brcm,function = <BCM2835_FSEL_ALT5>;
 			};
 			jtag_gpio22: jtag_gpio22 {
 				brcm,pins = <22 23 24 25 26 27>;
-- 
2.7.4




More information about the linux-arm-kernel mailing list