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Update 950-0785-ARM-dts-Add-bcm2711-rpi-cm4.dts.patch

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suyuan168 2022-01-04 00:37:52 +08:00
parent 673afa21d8
commit 2fe61872f3
1 changed files with 15 additions and 6 deletions
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21
root/target/linux/bcm27xx/patches-5.4/950-0785-ARM-dts-Add-bcm2711-rpi-cm4.dts.patch
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@ -27,7 +27,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.com>
alpine-db.dtb
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
@@ -0,0 +1,543 @@
@@ -0,0 +1,536 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+#include "bcm2711.dtsi"
@ -49,9 +49,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+ };
+
+ aliases {
+ emmc2bus = &emmc2bus;
+ ethernet0 = &genet;
+ pcie0 = &pcie0;
+ };
+
+ leds {
@ -62,8 +60,6 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+ pwr {
+ label = "PWR";
+ gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
+ default-state = "keep";
+ linux,default-trigger = "default-on";
+ };
+ };
+
@ -111,7 +107,6 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+
+&pwm1 {
+ pinctrl-names = "default";
+ brcm,disable-headphones = <1>;
+ pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
+ status = "okay";
+};
@ -569,4 +564,18 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+ <&spi0>, "dmas:8=", <&dma40>;
+ };
+};
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -92,6 +92,12 @@ Name: <The base DTB>
Info: Configures the base Raspberry Pi hardware
Load: <loaded automatically>
Params:
+ ant1 Select antenna 1 (default). CM4 only.
+
+ ant2 Select antenna 2. CM4 only.
+
+ noant Disable both antennas. CM4 only.
+
audio Set to "on" to enable the onboard ALSA audio
interface (default "off")