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Add 5.14 patches for RPI

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Ycarus (Yannick Chabanois) 2021-10-01 16:58:58 +02:00
parent 030f2f4fd1
commit 5c593832cc
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root/target/linux/bcm27xx/patches-5.14/0552-overlays-Add-overlay-for-QCA7000-via-UART0.patch Normal file
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@ -0,0 +1,112 @@
From 99d43bf91a8b8ef7135ae25c87b96825fca47d7d Mon Sep 17 00:00:00 2001
From: Stefan Wahren <stefan.wahren@in-tech.com>
Date: Thu, 19 Aug 2021 15:34:34 +0200
Subject: [PATCH 552/552] overlays: Add overlay for QCA7000 via UART0
This adds an overlay to connect the QCA7000 in UART mode via UART0.
The qcauart driver uses the serial device bus instead of deprecated
line disciplines.
Signed-off-by: Stefan Wahren <stefan.wahren@in-tech.com>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 11 +++++
.../dts/overlays/qca7000-uart0-overlay.dts | 46 +++++++++++++++++++
3 files changed, 58 insertions(+)
create mode 100644 arch/arm/boot/dts/overlays/qca7000-uart0-overlay.dts
diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index fbcc3e35a747..44aedc149ff0 100644
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -157,6 +157,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
pwm-2chan.dtbo \
pwm-ir-tx.dtbo \
qca7000.dtbo \
+ qca7000-uart0.dtbo \
rotary-encoder.dtbo \
rpi-backlight.dtbo \
rpi-cirrus-wm5102.dtbo \
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index d50d694c9e77..ec769b2d6040 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -2505,12 +2505,23 @@ Params: gpio_pin Output GPIO (default 18)
Name: qca7000
Info: in-tech's Evaluation Board for PLC Stamp micro
+ This uses spi0 and a separate GPIO interrupt to connect the QCA7000.
Load: dtoverlay=qca7000,<param>=<val>
Params: int_pin GPIO pin for interrupt signal (default 23)
speed SPI bus speed (default 12 MHz)
+Name: qca7000-uart0
+Info: in-tech's Evaluation Board for PLC Stamp micro (UART)
+ This uses uart0/ttyAMA0 over GPIOs 14 & 15 to connect the QCA7000.
+ But it requires disabling of onboard Bluetooth on
+ Pi 3B, 3B+, 3A+, 4B and Zero W.
+Load: dtoverlay=qca7000-uart0,<param>=<val>
+Params: baudrate Set the baudrate for the UART (default
+ "115200")
+
+
Name: rotary-encoder
Info: Overlay for GPIO connected rotary encoder.
Load: dtoverlay=rotary-encoder,<param>=<val>
diff --git a/arch/arm/boot/dts/overlays/qca7000-uart0-overlay.dts b/arch/arm/boot/dts/overlays/qca7000-uart0-overlay.dts
new file mode 100644
index 000000000000..5dee70853289
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/qca7000-uart0-overlay.dts
@@ -0,0 +1,46 @@
+// Overlay for the Qualcomm Atheros QCA7000 on PLC Stamp micro EVK
+// Visit: https://in-tech-smartcharging.com/products/evaluation-tools/plc-stamp-micro-2-evaluation-board for details
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "brcm,bcm2835";
+
+ fragment@0 {
+ target = <&uart0>;
+ __overlay__ {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ status = "okay";
+
+ eth2: qca7000 {
+ compatible = "qca,qca7000";
+ current-speed = <115200>;
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&gpio>;
+ __overlay__ {
+ uart0_pins: uart0_pins {
+ brcm,pins = <14 15>;
+ brcm,function = <4>; /* alt0 */
+ brcm,pull = <0 2>;
+ };
+ };
+ };
+
+ fragment@2 {
+ target-path = "/aliases";
+ __overlay__ {
+ serial0 = "/soc/serial@7e201000";
+ serial1 = "/soc/serial@7e215040";
+ };
+ };
+
+ __overrides__ {
+ baudrate = <&eth2>, "current-speed:0";
+ };
+};
--
2.33.0