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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0301-ARM-bcm2835-add-i2s-gpio28-31-for-cm.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0301-ARM-bcm2835-add-i2s-gpio28-31-for-cm.patch62
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0301-ARM-bcm2835-add-i2s-gpio28-31-for-cm.patch b/target/linux/brcm2708/patches-4.4/0301-ARM-bcm2835-add-i2s-gpio28-31-for-cm.patch
new file mode 100644
index 0000000000..6ec13c9a84
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0301-ARM-bcm2835-add-i2s-gpio28-31-for-cm.patch
@@ -0,0 +1,62 @@
+From 19244064105686007a875c423970e3113da4e73c Mon Sep 17 00:00:00 2001
+From: Martin Sperl <kernel@martin.sperl.org>
+Date: Sat, 23 Apr 2016 15:21:41 +0000
+Subject: [PATCH 301/423] ARM: bcm2835: add i2s-gpio28-31 for cm
+
+Add i2s-gpio28-31 overlay for compute module
+so that i2s is using gpio28-31
+
+Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 6 ++++++
+ arch/arm/boot/dts/overlays/i2s-gpio28-31-overlay.dts | 18 ++++++++++++++++++
+ 3 files changed, 25 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/i2s-gpio28-31-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -37,6 +37,7 @@ dtbo-$(RPI_DT_OVERLAYS) += i2c-mux-pca95
+ dtbo-$(RPI_DT_OVERLAYS) += i2c-pwm-pca9685a.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2c0-bcm2708.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2c1-bcm2708.dtbo
++dtbo-$(RPI_DT_OVERLAYS) += i2s-gpio28-31.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += i2s-mmap.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += iqaudio-dac.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += iqaudio-dacplus.dtbo
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -464,6 +464,12 @@ Params: sda1_pin GPIO pin
+ default 4)
+
+
++Name: i2s-gpio28-31
++Info: move I2S function block to GPIO 28 to 31
++Load: dtoverlay=i2s-gpio28-31
++Params: <None>
++
++
+ Name: i2s-mmap
+ Info: Enables mmap support in the bcm2708-i2s driver
+ Load: dtoverlay=i2s-mmap
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/i2s-gpio28-31-overlay.dts
+@@ -0,0 +1,18 @@
++/*
++ * Device tree overlay to move i2s to gpio 28 to 31 on CM
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&i2s_pins>;
++ __overlay__ {
++ brcm,pins = <28 29 30 31>;
++ brcm,function = <6>; /* alt2 */
++ };
++ };
++};