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-rw-r--r--target/linux/brcm2708/patches-4.14/950-0239-overlays-Add-upstream-overlay.patch210
1 files changed, 210 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0239-overlays-Add-upstream-overlay.patch b/target/linux/brcm2708/patches-4.14/950-0239-overlays-Add-upstream-overlay.patch
new file mode 100644
index 0000000000..0488fab6d2
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0239-overlays-Add-upstream-overlay.patch
@@ -0,0 +1,210 @@
+From 1612baf8148e9180f28d7afc93df3ec3cd3e5ce0 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Sat, 3 Mar 2018 14:18:03 +0000
+Subject: [PATCH 239/454] overlays: Add 'upstream' overlay
+
+The 'upstream' overlay makes the necessary changes for a downstream
+.dtb to be used with an upstream kernel. It is currently made up from
+three other overlays - vc4-kms-v3d, dwc2 and upstream-aux-interrupt.
+The VPU firmware will soon be made to automatically load this overlay
+when an upstream kernel is detected (using the trailer supplied by the
+mkknlimg script).
+
+See: https://github.com/raspberrypi/linux/pull/2393
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 10 +-
+ .../boot/dts/overlays/upstream-overlay.dts | 154 ++++++++++++++++++
+ 3 files changed, 164 insertions(+), 1 deletion(-)
+ create mode 100644 arch/arm/boot/dts/overlays/upstream-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -123,6 +123,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ tinylcd35.dtbo \
+ uart0.dtbo \
+ uart1.dtbo \
++ upstream.dtbo \
+ upstream-aux-interrupt.dtbo \
+ vc4-fkms-v3d.dtbo \
+ vc4-kms-v3d.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -1731,9 +1731,17 @@ Params: txd1_pin GPIO pin
+ rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
+
+
++Name: upstream
++Info: Allow usage of downstream .dtb with upstream kernel. Comprises
++ vc4-kms-v3d, dwc2 and upstream-aux-interrupt overlays.
++Load: dtoverlay=upstream
++Params: <None>
++
++
+ Name: upstream-aux-interrupt
+ Info: Allow usage of downstream .dtb with upstream kernel by binding AUX
+- devices directly to the shared AUX interrupt line.
++ devices directly to the shared AUX interrupt line. One of the parts
++ of the 'upstream' overlay
+ Load: dtoverlay=upstream-aux-interrupt
+ Params: <None>
+
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/upstream-overlay.dts
+@@ -0,0 +1,154 @@
++// redo: ovmerge -c vc4-kms-v3d-overlay.dts,cma-96 dwc2-overlay.dts,dr_mode=otg upstream-aux-interrupt-overlay.dts,
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/clock/bcm2835.h>
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++ fragment@0 {
++ target-path = "/chosen";
++ __dormant__ {
++ bootargs = "cma=256M";
++ };
++ };
++ fragment@1 {
++ target-path = "/chosen";
++ __dormant__ {
++ bootargs = "cma=192M";
++ };
++ };
++ fragment@2 {
++ target-path = "/chosen";
++ __dormant__ {
++ bootargs = "cma=128M";
++ };
++ };
++ fragment@3 {
++ target-path = "/chosen";
++ __overlay__ {
++ bootargs = "cma=96M";
++ };
++ };
++ fragment@4 {
++ target-path = "/chosen";
++ __dormant__ {
++ bootargs = "cma=64M";
++ };
++ };
++ fragment@5 {
++ target = <&i2c2>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++ fragment@6 {
++ target = <&fb>;
++ __overlay__ {
++ status = "disabled";
++ };
++ };
++ fragment@7 {
++ target = <&pixelvalve0>;
++ __overlay__ {
++ interrupts = <2 13>;
++ status = "okay";
++ };
++ };
++ fragment@8 {
++ target = <&pixelvalve1>;
++ __overlay__ {
++ interrupts = <2 14>;
++ status = "okay";
++ };
++ };
++ fragment@9 {
++ target = <&pixelvalve2>;
++ __overlay__ {
++ interrupts = <2 10>;
++ status = "okay";
++ };
++ };
++ fragment@10 {
++ target = <&hvs>;
++ __overlay__ {
++ interrupts = <2 1>;
++ status = "okay";
++ };
++ };
++ fragment@11 {
++ target = <&hdmi>;
++ __overlay__ {
++ interrupts = <2 8>, <2 9>;
++ status = "okay";
++ };
++ };
++ fragment@12 {
++ target = <&v3d>;
++ __overlay__ {
++ interrupts = <1 10>;
++ status = "okay";
++ };
++ };
++ fragment@13 {
++ target = <&vc4>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++ fragment@14 {
++ target-path = "/soc/dma";
++ __overlay__ {
++ brcm,dma-channel-mask = <0x7f35>;
++ };
++ };
++ fragment@15 {
++ target = <&clocks>;
++ __overlay__ {
++ claim-clocks = <BCM2835_PLLD_DSI0 BCM2835_PLLD_DSI1 BCM2835_PLLH_AUX BCM2835_PLLH_PIX>;
++ };
++ };
++ fragment@16 {
++ target = <&vec>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++ fragment@17 {
++ target = <&usb>;
++ #address-cells = <1>;
++ #size-cells = <1>;
++ dwc2_usb: __overlay__ {
++ compatible = "brcm,bcm2835-usb";
++ reg = <0x7e980000 0x10000>;
++ interrupts = <1 9>;
++ dr_mode = "otg";
++ g-np-tx-fifo-size = <32>;
++ g-rx-fifo-size = <256>;
++ g-tx-fifo-size = <512 512 512 512 512 768>;
++ status = "okay";
++ };
++ };
++ fragment@18 {
++ target = <&uart1>;
++ __overlay__ {
++ interrupt-parent = <&intc>;
++ interrupts = <0x1 0x1d>;
++ };
++ };
++ fragment@19 {
++ target = <&spi1>;
++ __overlay__ {
++ interrupt-parent = <&intc>;
++ interrupts = <0x1 0x1d>;
++ };
++ };
++ fragment@20 {
++ target = <&spi2>;
++ __overlay__ {
++ interrupt-parent = <&intc>;
++ interrupts = <0x1 0x1d>;
++ };
++ };
++};