mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 01:28:59 +00:00
143 lines
4.8 KiB
Diff
143 lines
4.8 KiB
Diff
From 83b839b8b3a599336c2d48ab22ed919a77666476 Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
|
Date: Mon, 26 Nov 2018 17:02:15 +0000
|
|
Subject: [PATCH] dtoverlays: Add i2c on 0&1 option to TC358743,
|
|
ADV7282 and OV5647
|
|
|
|
Adds the option of configuring i2c0 to be on GPIOs 0&1 as
|
|
this is of use on the Compute Module.
|
|
|
|
Also fixes the ov5647 overlay where the override enabled the wrong
|
|
fragments.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
|
---
|
|
arch/arm/boot/dts/overlays/README | 14 ++++++++++++--
|
|
arch/arm/boot/dts/overlays/adv7282m-overlay.dts | 10 +++++++++-
|
|
arch/arm/boot/dts/overlays/ov5647-overlay.dts | 10 +++++++++-
|
|
arch/arm/boot/dts/overlays/tc358743-overlay.dts | 10 +++++++++-
|
|
4 files changed, 39 insertions(+), 5 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -277,7 +277,9 @@ Info: Analog Devices ADV7282M analogue
|
|
Uses Unicam1, which is the standard camera connector on most Pi
|
|
variants.
|
|
Load: dtoverlay=adv7282m,<param>=<val>
|
|
-Params: i2c_pins_28_29 Use pins 28&29 for the I2C instead of 44&45.
|
|
+Params: i2c_pins_0_1 Use pins 0&1 for the I2C instead of 44&45.
|
|
+ Useful on Compute Modules.
|
|
+ i2c_pins_28_29 Use pins 28&29 for the I2C instead of 44&45.
|
|
This is required for Pi B+, 2, 0, and 0W.
|
|
addr Overrides the I2C address (default 0x21)
|
|
|
|
@@ -286,7 +288,9 @@ Name: adv728x-m
|
|
Info: Analog Devices ADV728[0|1|2]-M analogue video to CSI2 bridges.
|
|
This is a wrapper for adv7282m, and defaults to ADV7282M.
|
|
Load: dtoverlay=adv728x-m,<param>=<val>
|
|
-Params: i2c_pins_28_29 Use pins 28&29 for the I2C instead of 44&45.
|
|
+Params: i2c_pins_0_1 Use pins 0&1 for the I2C instead of 44&45.
|
|
+ Useful on Compute Modules.
|
|
+ i2c_pins_28_29 Use pins 28&29 for the I2C instead of 44&45.
|
|
This is required for Pi B+, 2, 0, and 0W.
|
|
addr Overrides the I2C address (default 0x21)
|
|
adv7280m Select ADV7280-M.
|
|
@@ -1324,6 +1328,9 @@ Params: cam0-pwdn GPIO use
|
|
configuration of the particular Pi variant in
|
|
use.
|
|
|
|
+ i2c_pins_0_1 Use pins 0&1 for the I2C instead of 44&45.
|
|
+ Useful on Compute Modules.
|
|
+
|
|
i2c_pins_28_29 Use pins 28&29 for the I2C instead of 44&45.
|
|
This is required for Pi B+, 2, 0, and 0W.
|
|
|
|
@@ -1949,6 +1956,9 @@ Params: 4lane Use 4 la
|
|
(574Mbit/s) and 486000000 (972Mbit/s - default)
|
|
are supported by the driver.
|
|
|
|
+ i2c_pins_0_1 Use pins 0&1 for the I2C instead of 44&45.
|
|
+ Useful on Compute Modules.
|
|
+
|
|
i2c_pins_28_29 Use pins 28&29 for the I2C instead of 44&45.
|
|
This is required for Pi B+, 2, 0, and 0W.
|
|
|
|
--- a/arch/arm/boot/dts/overlays/adv7282m-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/adv7282m-overlay.dts
|
|
@@ -60,6 +60,13 @@
|
|
};
|
|
};
|
|
fragment@4 {
|
|
+ target = <&i2c0_pins>;
|
|
+ __dormant__ {
|
|
+ brcm,pins = <0 1>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+ };
|
|
+ fragment@5 {
|
|
target = <&i2c_vc>;
|
|
__overlay__ {
|
|
status = "okay";
|
|
@@ -67,7 +74,8 @@
|
|
};
|
|
|
|
__overrides__ {
|
|
- i2c_pins_28_29 = <0>,"+2-3";
|
|
+ i2c_pins_0_1 = <0>,"-2-3+4";
|
|
+ i2c_pins_28_29 = <0>,"+2-3-4";
|
|
addr = <&adv728x>,"reg:0";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/overlays/ov5647-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/ov5647-overlay.dts
|
|
@@ -69,6 +69,13 @@
|
|
};
|
|
};
|
|
fragment@4 {
|
|
+ target = <&i2c0_pins>;
|
|
+ __dormant__ {
|
|
+ brcm,pins = <0 1>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+ };
|
|
+ fragment@5 {
|
|
target = <&i2c_vc>;
|
|
__overlay__ {
|
|
status = "okay";
|
|
@@ -76,7 +83,8 @@
|
|
};
|
|
|
|
__overrides__ {
|
|
- i2c_pins_28_29 = <0>,"+4-5";
|
|
+ i2c_pins_0_1 = <0>,"-2-3+4";
|
|
+ i2c_pins_28_29 = <0>,"+2-3-4";
|
|
cam0-pwdn = <&ov5647>,"pwdn-gpios:4";
|
|
cam0-led = <&ov5647>,"pwdn-gpios:16";
|
|
};
|
|
--- a/arch/arm/boot/dts/overlays/tc358743-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/tc358743-overlay.dts
|
|
@@ -94,6 +94,13 @@
|
|
};
|
|
};
|
|
fragment@6 {
|
|
+ target = <&i2c0_pins>;
|
|
+ __dormant__ {
|
|
+ brcm,pins = <0 1>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+ };
|
|
+ fragment@7 {
|
|
target = <&i2c_vc>;
|
|
__overlay__ {
|
|
status = "okay";
|
|
@@ -101,7 +108,8 @@
|
|
};
|
|
|
|
__overrides__ {
|
|
- i2c_pins_28_29 = <0>,"+4-5";
|
|
+ i2c_pins_0_1 = <0>,"-4-5+6";
|
|
+ i2c_pins_28_29 = <0>,"+4-5-6";
|
|
4lane = <0>, "-2+3";
|
|
link-frequency = <&tc358743>,"link-frequencies#0";
|
|
};
|