Revert "overlays: Add Pi 5 version of dwc2"
authorPhil Elwell <phil@raspberrypi.com>
Tue, 5 Dec 2023 20:48:46 +0000 (20:48 +0000)
committerDom Cobley <popcornmix@gmail.com>
Mon, 19 Feb 2024 11:35:19 +0000 (11:35 +0000)
This reverts commit 72cd5eef1825f9ab3502d0c5584b13c43ad4c840.

We don't need a special dwc2 overlay for Pi 5, with a node to limit the
DMA zone to the first 1GB, since it turns out that the USB2 controller
has a 4GB range after all.

See https://github.com/raspberrypi/linux/pull/5772

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
arch/arm/boot/dts/overlays/Makefile
arch/arm/boot/dts/overlays/README
arch/arm/boot/dts/overlays/dwc2-pi5-overlay.dts [deleted file]
arch/arm/boot/dts/overlays/overlay_map.dts

index 14ce8e7..d825a65 100644 (file)
@@ -59,7 +59,6 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
        draws.dtbo \
        dwc-otg.dtbo \
        dwc2.dtbo \
-       dwc2-pi5.dtbo \
        edt-ft5406.dtbo \
        enc28j60.dtbo \
        enc28j60-spi2.dtbo \
index 6f5b53e..8937cb4 100644 (file)
@@ -1128,10 +1128,6 @@ Params: dr_mode                 Dual role mode: "host", "peripheral" or "otg"
                                 mode
 
 
-Name:   dwc2-pi5
-Info:   See dwc2 (this is the Pi 5 version)
-
-
 [ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
 
 
diff --git a/arch/arm/boot/dts/overlays/dwc2-pi5-overlay.dts b/arch/arm/boot/dts/overlays/dwc2-pi5-overlay.dts
deleted file mode 100644 (file)
index e552c63..0000000
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "dwc2-overlay.dts"
-
-/{
-       fragment@1 {
-               target-path = "/";
-               __overlay__ {
-                       /*
-                        * Add a node with a dma-ranges value that exists only to be found
-                        * by of_dma_get_max_cpu_address, and hence limit the DMA zone.
-                        */
-                       zone_dma {
-                                #address-cells = <1>;
-                                #size-cells = <1>;
-                                dma-ranges = <0x0  0x0 0x0  0x40000000>;
-                       };
-               };
-       };
-};
index 4aa6004..87dfbf9 100644 (file)
                bcm2712;
        };
 
-       dwc2 {
-               bcm2835;
-               bcm2711;
-               bcm2712 = "dwc2-pi5";
-       };
-
-       dwc2-pi5 {
-               bcm2712;
-       };
-
        highperi {
                bcm2711;
        };