bcm4908: fix GPIOs support by limiting them to 64

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

diff --git a/target/linux/bcm4908/patches-5.4/300-arm64-dts-broadcom-bcm4908-limit-amount-of-GPIOs.patch b/target/linux/bcm4908/patches-5.4/300-arm64-dts-broadcom-bcm4908-limit-amount-of-GPIOs.patch
new file mode 100644 (file)
index 0000000..c28c69c
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/300-arm64-dts-broadcom-bcm4908-limit-amount-of-GPIOs.patch
@@ -0,0 +1,23 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Mon, 15 Feb 2021 22:01:03 +0100
+Subject: [PATCH] arm64: dts: broadcom: bcm4908: limit amount of GPIOs
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Linux driver can't handle more than 64 GPIOs
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+---
+
+--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
++++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+@@ -281,7 +281,7 @@
+               gpio0: gpio-controller@500 {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg-names = "dirout", "dat";
+-                      reg = <0x500 0x28>, <0x528 0x28>;
++                      reg = <0x500 0x8>, <0x528 0x8>;
+ 
+                       #gpio-cells = <2>;
+                       gpio-controller;