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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0382-BCM270X_DT-Make-i2c-gpio-usable-by-other-overlays.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0382-BCM270X_DT-Make-i2c-gpio-usable-by-other-overlays.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0382-BCM270X_DT-Make-i2c-gpio-usable-by-other-overlays.patch b/target/linux/brcm2708/patches-4.4/0382-BCM270X_DT-Make-i2c-gpio-usable-by-other-overlays.patch
new file mode 100644
index 0000000000..2c944c3a97
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0382-BCM270X_DT-Make-i2c-gpio-usable-by-other-overlays.patch
@@ -0,0 +1,37 @@
+From 312ddfe70ee2d9893aec7d03b70f3c38d374fed1 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Mon, 6 Jun 2016 09:23:37 +0100
+Subject: [PATCH] BCM270X_DT: Make i2c-gpio usable by other overlays
+
+Modify the i2c-gpio overlay to export symbol i2c-gpio for use by other
+overlays. Export the alias as well for good measure.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/i2c-gpio-overlay.dts | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+--- a/arch/arm/boot/dts/overlays/i2c-gpio-overlay.dts
++++ b/arch/arm/boot/dts/overlays/i2c-gpio-overlay.dts
+@@ -19,6 +19,21 @@
+ };
+ };
+ };
++
++ fragment@1 {
++ target-path = "/aliases";
++ __overlay__ {
++ i2c_gpio = "/i2c@0";
++ };
++ };
++
++ fragment@2 {
++ target-path = "/__symbols__";
++ __overlay__ {
++ i2c_gpio = "/i2c@0";
++ };
++ };
++
+ __overrides__ {
+ i2c_gpio_sda = <&i2c_gpio>,"gpios:4";
+ i2c_gpio_scl = <&i2c_gpio>,"gpios:16";