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

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suyuan168 2022-01-04 01:43:17 +08:00
parent 455026cc0e
commit e995ff2fdd
1 changed files with 48 additions and 5 deletions
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53
root/target/linux/bcm27xx/patches-5.4/950-0785-ARM-dts-Add-bcm2711-rpi-cm4.dts.patch
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@ -7,9 +7,10 @@ Add initial DTS file for Compute Module 4.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/Makefile | 2 +-
arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 467 ++++++++++++++++++++++++++
2 files changed, 487 insertions(+), 1 deletion(-)
arch/arm/boot/dts/Makefile | 3 +-
arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 586 ++++++++++++++++++++++++++
arch/arm/boot/dts/overlays/README | 6 +
3 files changed, 594 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/bcm2711-rpi-cm4.dts
--- a/arch/arm/boot/dts/Makefile
@ -26,7 +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 +1,467 @@
@@ -0,0 +1,494 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+#include "bcm2711.dtsi"
@ -493,4 +494,46 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+&ddc1 {
+ status = "disabled";
+};
+
+
+/ {
+ __overrides__ {
+ act_led_gpio = <&act_led>,"gpios:4";
+ act_led_activelow = <&act_led>,"gpios:8";
+ act_led_trigger = <&act_led>,"linux,default-trigger";
+
+ pwr_led_gpio = <&pwr_led>,"gpios:4";
+ pwr_led_activelow = <&pwr_led>,"gpios:8";
+ pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
+
+ eth_led0 = <&phy1>,"led-modes:0";
+ eth_led1 = <&phy1>,"led-modes:4";
+
+ ant2 = <&ant1>,"output-high?=off",
+ <&ant1>, "output-low?=on",
+ <&ant2>, "output-high?=on",
+ <&ant2>, "output-low?=off";
+ noant = <&ant1>,"output-high?=off",
+ <&ant1>, "output-low?=on",
+ <&ant2>, "output-high?=off",
+ <&ant2>, "output-low?=on";
+
+ sd_poll_once = <&emmc2>, "non-removable?";
+ spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
+ <&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")