mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 17:18:59 +00:00
793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
117 lines
3.1 KiB
Diff
117 lines
3.1 KiB
Diff
From 911dedf3f51adf8cfd6554af1c89c922c4453889 Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Mon, 24 Apr 2023 16:27:57 +0100
|
|
Subject: [PATCH] dtoverlays: Add overrides for alternate i2c buses to
|
|
i2c-mux
|
|
|
|
The i2c-mux overlay was fixed to i2c-1. Add overrides to allow
|
|
it to be assigned to alternate buses.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
arch/arm/boot/dts/overlays/README | 16 ++++++++
|
|
.../arm/boot/dts/overlays/i2c-mux-overlay.dts | 40 +++++++++++++++++--
|
|
2 files changed, 53 insertions(+), 3 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -1833,6 +1833,22 @@ Params: pca9542 Select t
|
|
|
|
addr Change I2C address of the device (default 0x70)
|
|
|
|
+ i2c0 Choose the I2C0 bus on GPIOs 0&1
|
|
+
|
|
+ i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
|
|
+
|
|
+ i2c3 Choose the I2C3 bus (configure with the i2c3
|
|
+ overlay - BCM2711 only)
|
|
+
|
|
+ i2c4 Choose the I2C3 bus (configure with the i2c3
|
|
+ overlay - BCM2711 only)
|
|
+
|
|
+ i2c5 Choose the I2C5 bus (configure with the i2c4
|
|
+ overlay - BCM2711 only)
|
|
+
|
|
+ i2c6 Choose the I2C6 bus (configure with the i2c6
|
|
+ overlay - BCM2711 only)
|
|
+
|
|
|
|
[ The i2c-mux-pca9548a overlay has been deleted. See i2c-mux. ]
|
|
|
|
--- a/arch/arm/boot/dts/overlays/i2c-mux-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/i2c-mux-overlay.dts
|
|
@@ -7,7 +7,7 @@
|
|
compatible = "brcm,bcm2835";
|
|
|
|
fragment@0 {
|
|
- target = <&i2c_arm>;
|
|
+ target = <&i2cbus>;
|
|
__dormant__ {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
@@ -34,7 +34,7 @@
|
|
};
|
|
|
|
fragment@1 {
|
|
- target = <&i2c_arm>;
|
|
+ target = <&i2cbus>;
|
|
__dormant__ {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
@@ -71,7 +71,7 @@
|
|
};
|
|
|
|
fragment@2 {
|
|
- target = <&i2c_arm>;
|
|
+ target = <&i2cbus>;
|
|
__dormant__ {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
@@ -127,6 +127,27 @@
|
|
};
|
|
};
|
|
|
|
+ frag100: fragment@100 {
|
|
+ target = <&i2c_arm>;
|
|
+ i2cbus: __overlay__ {
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@101 {
|
|
+ target = <&i2c0if>;
|
|
+ __dormant__ {
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@102 {
|
|
+ target = <&i2c0mux>;
|
|
+ __dormant__ {
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+
|
|
__overrides__ {
|
|
pca9542 = <0>, "+0";
|
|
pca9545 = <0>, "+1";
|
|
@@ -135,5 +156,18 @@
|
|
addr = <&pca9542>,"reg:0",
|
|
<&pca9545>,"reg:0",
|
|
<&pca9548>,"reg:0";
|
|
+
|
|
+ i2c0 = <&frag100>, "target:0=",<&i2c0>,
|
|
+ <0>,"+101+102";
|
|
+ i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>,
|
|
+ <0>,"+101+102";
|
|
+ i2c3 = <&frag100>, "target?=0",
|
|
+ <&frag100>, "target-path=i2c3";
|
|
+ i2c4 = <&frag100>, "target?=0",
|
|
+ <&frag100>, "target-path=i2c4";
|
|
+ i2c5 = <&frag100>, "target?=0",
|
|
+ <&frag100>, "target-path=i2c5";
|
|
+ i2c6 = <&frag100>, "target?=0",
|
|
+ <&frag100>, "target-path=i2c6";
|
|
};
|
|
};
|