diff options
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.patch | 62 |
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 */ ++ }; ++ }; ++}; |