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openwrt/target/linux/bcm27xx/patches-6.6/950-1480-overlays-Add-and-document-i2c_csi_dsi0-parameters.patch
Álvaro Fernández Rojas 3a5584e0df bcm27xx: pull 6.6 patches from RPi repo 
Adds latest 6.6 patches from the Raspberry Pi repository.

These patches were generated from:
https://github.com/raspberrypi/linux/commits/rpi-6.6.y/
With the following command:
git format-patch -N v6.6.67..HEAD
(HEAD -> 811ff707533bcd67cdcd368bbd46223082009b12)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit 692205305db14deeff1a2dc4a6d7f87e19fc418b)
2024-12-28 14:11:52 +01:00

343 lines
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From 489570796a5789f849683fc3fb034c55cb13e4c6 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Thu, 19 Dec 2024 17:13:17 +0000
Subject: [PATCH] overlays: Add and document i2c_csi_dsi0 parameters
Add "i2c_csi_dsi0" parameters to overlays that already have an
"i2c_csi_dsi" parameter.
The I2C bus and GPIO mapping of i2c_csi_dsi and i2c_csi_dsi0 varies
between platforms. Document the associations against the dtparams
"i2c_csi_dsi" and "i2c_csi_dsi0" - run "dtparam -h i2c_csi_dsi"
and "dtparam -h i2c_csi_dsi0" to read it.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/overlays/README | 103 ++++++++++++++++--
.../arm/boot/dts/overlays/ads1115-overlay.dts | 2 +
.../arm/boot/dts/overlays/i2c-fan-overlay.dts | 2 +
.../arm/boot/dts/overlays/i2c-mux-overlay.dts | 2 +
.../dts/overlays/i2c-pwm-pca9685a-overlay.dts | 2 +
.../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 2 +
.../boot/dts/overlays/i2c-sensor-overlay.dts | 2 +
.../boot/dts/overlays/mcp23017-overlay.dts | 2 +
.../arm/boot/dts/overlays/pca953x-overlay.dts | 2 +
.../arm/boot/dts/overlays/pcf857x-overlay.dts | 2 +
.../dts/overlays/sc16is750-i2c-overlay.dts | 2 +
.../dts/overlays/sc16is752-i2c-overlay.dts | 2 +
12 files changed, 113 insertions(+), 12 deletions(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -301,10 +301,31 @@ Params:
i2c_baudrate An alias for i2c_arm_baudrate
i2c_csi_dsi Set to "on" to enable the i2c_csi_dsi interface
+ The I2C bus and GPIOs are platform specific:
+ B rev 1:
+ i2c-1 on 2 & 3
+ B rev 2, B+, CM, Zero, Zero W, 2B, CM2, CM3,
+ CM4S:
+ i2c-0 on 28 & 29
+ 3B, 3B+, Zero 2W, 4B, 400, CM4:
+ i2c-0 on 44 & 45
+ 5, 500:
+ i2c-11/i2c-4 on 40 & 41
+ CM5 on CM5IO:
+ i2c-0 on 0 & 1
+ CM5 on CM4IO:
+ i2c-10/i2c-6 on 38 & 39
i2c_csi_dsi0 Set to "on" to enable the i2c_csi_dsi0 interface
+ The I2C bus and GPIOs are platform specific:
+ B rev 1 & 2, B+, CM, Zero, Zero W, 2B, CM2,
+ CM3, CM4S, 3B, 3B+, Zero 2W, 4B, 400, CM4,
+ CM5 on CM4IO:
+ i2c-0 on 0 & 1
+ 5, 500, CM5 on CM5IO:
+ i2c-10/i2c-6 on 38 & 39
- i2c_csi_dsi1 Set to "on" to enable the i2c_csi_dsi1 interface
+ i2c_csi_dsi1 A Pi 5 family-specific alias for i2c_csi_dsi.
i2c_vc Set to "on" to enable the i2c interface
usually reserved for the VideoCore processor
@@ -546,7 +567,12 @@ Params: addr I2C bus
Amplifier for this channel. (Default 1 sets the
full scale of the channel to 4.096 Volts)
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
i2c4 Choose the I2C4 bus (configure with the i2c4
@@ -2086,7 +2112,13 @@ Params: addr Sets the
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
@@ -2158,7 +2190,13 @@ Params: pca9542 Select t
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
@@ -2186,7 +2224,12 @@ Info: Adds support for an NXP PCA9685A
Load: dtoverlay=i2c-pwm-pca9685a,<param>=<val>
Params: addr I2C address of PCA9685A (default 0x40)
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
i2c4 Choose the I2C3 bus (configure with the i2c3
@@ -2251,7 +2294,13 @@ Params: abx80x Select o
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
@@ -2517,7 +2566,12 @@ Params: addr Set the
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
@@ -3144,7 +3198,12 @@ Params: gpiopin Gpio pin
mcp23008 Configure an MCP23008 instead.
noints Disable the interrupt GPIO line.
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
i2c4 Choose the I2C4 bus (configure with the i2c4
@@ -3604,7 +3663,12 @@ Params: addr I2C addr
pca9654 Select the Onnn PCA9654 (8 bit)
xra1202 Select the Exar XRA1202 (8 bit)
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
i2c4 Choose the I2C3 bus (configure with the i2c3
@@ -3626,7 +3690,12 @@ Params: addr I2C addr
pcf8575 Select the NXP PCF8575 (16 bit)
pca8574 Select the NXP PCA8574 (8 bit)
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
i2c4 Choose the I2C3 bus (configure with the i2c3
@@ -4296,7 +4365,12 @@ Params: int_pin GPIO use
addr Address (default 0x48)
xtal On-board crystal frequency (default 14745600)
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
i2c4 Choose the I2C4 bus (configure with the i2c4
@@ -4325,7 +4399,12 @@ Params: int_pin GPIO use
addr Address (default 0x48)
xtal On-board crystal frequency (default 14745600)
i2c0 Choose the I2C0 bus on GPIOs 0&1
- i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+ i2c_csi_dsi Choose the I2C bus connected to the main
+ camera/display connector.
+ See "dtparam -h i2c_csi_dsi" for details.
+ i2c_csi_dsi0 Choose the I2C bus connected to the second
+ camera/display connector, if present.
+ See "dtparam -h i2c_csi_dsi0" for details.
i2c3 Choose the I2C3 bus (configure with the i2c3
overlay - BCM2711 only)
i2c4 Choose the I2C4 bus (configure with the i2c4
--- a/arch/arm/boot/dts/overlays/ads1115-overlay.dts
+++ b/arch/arm/boot/dts/overlays/ads1115-overlay.dts
@@ -123,6 +123,8 @@
i2c0 = <&frag100>, "target:0=",<&i2c0>;
i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>,
<0>,"+101+102";
+ i2c_csi_dsi0 = <&frag100>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+101+102";
i2c3 = <&frag100>, "target?=0",
<&frag100>, "target-path=i2c3";
i2c4 = <&frag100>, "target?=0",
--- a/arch/arm/boot/dts/overlays/i2c-fan-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-fan-overlay.dts
@@ -85,6 +85,8 @@
i2c0 = <&frag100>,"target:0=",<&i2c0>;
i2c_csi_dsi = <&frag100>,"target:0=",<&i2c_csi_dsi>,
<0>,"+101+102";
+ i2c_csi_dsi0 = <&frag100>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+101+102";
i2c3 = <&frag100>, "target?=0",
<&frag100>, "target-path=i2c3";
i2c4 = <&frag100>, "target?=0",
--- a/arch/arm/boot/dts/overlays/i2c-mux-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-mux-overlay.dts
@@ -167,6 +167,8 @@
<0>,"+101+102";
i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>,
<0>,"+101+102";
+ i2c_csi_dsi0 = <&frag100>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+101+102";
i2c3 = <&frag100>, "target?=0",
<&frag100>, "target-path=i2c3";
i2c4 = <&frag100>, "target?=0",
--- a/arch/arm/boot/dts/overlays/i2c-pwm-pca9685a-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-pwm-pca9685a-overlay.dts
@@ -49,6 +49,8 @@
<0>,"+101+102";
i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>,
<0>,"+101+102";
+ i2c_csi_dsi0 = <&frag100>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+101+102";
i2c3 = <&frag100>, "target?=0",
<&frag100>, "target-path=i2c3";
i2c4 = <&frag100>, "target?=0",
--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
@@ -30,6 +30,8 @@
i2c0 = <&frag100>, "target:0=",<&i2c0>;
i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>,
<0>,"+101+102";
+ i2c_csi_dsi0 = <&frag100>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+101+102";
i2c3 = <&frag100>, "target?=0",
<&frag100>, "target-path=i2c3";
i2c4 = <&frag100>, "target?=0",
--- a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
@@ -30,6 +30,8 @@
i2c0 = <&frag100>, "target:0=",<&i2c0>;
i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>,
<0>,"+101+102";
+ i2c_csi_dsi0 = <&frag100>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+101+102";
i2c3 = <&frag100>, "target?=0",
<&frag100>, "target-path=i2c3";
i2c4 = <&frag100>, "target?=0",
--- a/arch/arm/boot/dts/overlays/mcp23017-overlay.dts
+++ b/arch/arm/boot/dts/overlays/mcp23017-overlay.dts
@@ -90,6 +90,8 @@
i2c0 = <&frag100>, "target:0=",<&i2c0>;
i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>,
<0>,"+101+102";
+ i2c_csi_dsi0 = <&frag100>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+101+102";
i2c3 = <&frag100>, "target?=0",
<&frag100>, "target-path=i2c3";
i2c4 = <&frag100>, "target?=0",
--- a/arch/arm/boot/dts/overlays/pca953x-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pca953x-overlay.dts
@@ -254,6 +254,8 @@
<0>,"+100+101";
i2c_csi_dsi = <&frag0>, "target:0=",<&i2c_csi_dsi>,
<0>,"+100+101";
+ i2c_csi_dsi0 = <&frag0>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+100+101";
i2c3 = <&frag0>, "target?=0",
<&frag0>, "target-path=i2c3";
i2c4 = <&frag0>, "target?=0",
--- a/arch/arm/boot/dts/overlays/pcf857x-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pcf857x-overlay.dts
@@ -46,6 +46,8 @@
<0>,"+100+101";
i2c_csi_dsi = <&frag0>, "target:0=",<&i2c_csi_dsi>,
<0>,"+100+101";
+ i2c_csi_dsi0 = <&frag0>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+100+101";
i2c3 = <&frag0>, "target?=0",
<&frag0>, "target-path=i2c3";
i2c4 = <&frag0>, "target?=0",
--- a/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts
+++ b/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts
@@ -71,6 +71,8 @@
<0>,"+100+101";
i2c_csi_dsi = <&frag0>, "target:0=",<&i2c_csi_dsi>,
<0>,"+100+101";
+ i2c_csi_dsi0 = <&frag0>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+100+101";
i2c3 = <&frag0>, "target?=0",
<&frag0>, "target-path=i2c3";
i2c4 = <&frag0>, "target?=0",
--- a/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts
+++ b/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts
@@ -71,6 +71,8 @@
<0>,"+100+101";
i2c_csi_dsi = <&frag0>, "target:0=",<&i2c_csi_dsi>,
<0>,"+100+101";
+ i2c_csi_dsi0 = <&frag0>, "target:0=",<&i2c_csi_dsi0>,
+ <0>,"+100+101";
i2c3 = <&frag0>, "target?=0",
<&frag0>, "target-path=i2c3";
i2c4 = <&frag0>, "target?=0",
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