lede/target/linux/bcm27xx/patches-6.12/950-0966-dtoverlays-Create-Pi5-variant-of-tc358743-overlay.patch
=?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= d81c03f05e bcm27xx: add 6.12 patches from RPi repo
These patches were generated from:
https://github.com/raspberrypi/linux/commits/rpi-6.12.y
With the following command:
git format-patch -N v6.12.27..HEAD
(HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e)

Exceptions:
- (def)configs patches
- github workflows patches
- applied & reverted patches
- readme patches
- wireless patches

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2025-06-20 17:01:06 +08:00

314 lines
6.9 KiB
Diff

From 5713601cc9b8c7e03ff6013342a1f912ae0bd6be Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Tue, 15 Apr 2025 19:02:21 +0100
Subject: [PATCH] dtoverlays: Create Pi5 variant of tc358743 overlay
The Pi0-4 variant wants to change the compatible string for
the CSI2 node to "brcm,bcm2835-unicam-legacy" to disable Media
Controller by default, which would switch to Unicam when Pi5 needs
the CFE driver.
Split the overlay into an include and base pi0-4 and pi5 overlay
files
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 15 +++
arch/arm/boot/dts/overlays/overlay_map.dts | 6 +
.../boot/dts/overlays/tc358743-overlay.dts | 105 +-----------------
.../dts/overlays/tc358743-pi5-overlay.dts | 10 ++
arch/arm/boot/dts/overlays/tc358743.dtsi | 101 +++++++++++++++++
6 files changed, 138 insertions(+), 100 deletions(-)
create mode 100644 arch/arm/boot/dts/overlays/tc358743-pi5-overlay.dts
create mode 100644 arch/arm/boot/dts/overlays/tc358743.dtsi
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -302,6 +302,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
sx150x.dtbo \
tc358743.dtbo \
tc358743-audio.dtbo \
+ tc358743-pi5.dtbo \
tinylcd35.dtbo \
tpm-slb9670.dtbo \
tpm-slb9673.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -5078,6 +5078,21 @@ Load: dtoverlay=tc358743-audio,<param>
Params: card-name Override the default, "tc358743", card name.
+Name: tc358743-pi5
+Info: Toshiba TC358743 HDMI to CSI-2 bridge chip for Pi5.
+ Uses Unicam 1, which is the standard camera connector on most Pi
+ variants.
+Load: dtoverlay=tc358743-pi5,<param>=<val>
+Params: 4lane Use 4 lanes (only applicable to Compute Modules
+ CAM1 connector).
+
+ link-frequency Set the link frequency. Only values of 297000000
+ (574Mbit/s) and 486000000 (972Mbit/s - default)
+ are supported by the driver.
+ cam0 Adopt the default configuration for CAM0 on a
+ Compute Module (CSI0, i2c_vc, and cam0_reg).
+
+
Name: tinylcd35
Info: 3.5" Color TFT Display by www.tinylcd.com
Options: Touch, RTC, keypad
--- a/arch/arm/boot/dts/overlays/overlay_map.dts
+++ b/arch/arm/boot/dts/overlays/overlay_map.dts
@@ -402,6 +402,12 @@
bcm2711;
};
+ tc358743 {
+ bcm2835;
+ bcm2711;
+ bcm2712 = "tc358743-pi5";
+ };
+
uart0 {
bcm2835;
bcm2711;
--- a/arch/arm/boot/dts/overlays/tc358743-overlay.dts
+++ b/arch/arm/boot/dts/overlays/tc358743-overlay.dts
@@ -3,101 +3,12 @@
/dts-v1/;
/plugin/;
-/{
- compatible = "brcm,bcm2835";
-
- i2c_frag: fragment@0 {
- target = <&i2c_csi_dsi>;
- __overlay__ {
- #address-cells = <1>;
- #size-cells = <0>;
- status = "okay";
-
- tc358743: tc358743@f {
- compatible = "toshiba,tc358743";
- reg = <0x0f>;
- status = "okay";
-
- clocks = <&cam1_clk>;
- clock-names = "refclk";
-
- port {
- tc358743_0: endpoint {
- remote-endpoint = <&csi1_ep>;
- clock-lanes = <0>;
- clock-noncontinuous;
- link-frequencies =
- /bits/ 64 <486000000>;
- };
- };
- };
- };
- };
-
- csi_frag: fragment@1 {
- target = <&csi1>;
- csi: __overlay__ {
- status = "okay";
-
- port {
- csi1_ep: endpoint {
- remote-endpoint = <&tc358743_0>;
- };
- };
- };
- };
-
- fragment@2 {
- target = <&tc358743_0>;
- __overlay__ {
- data-lanes = <1 2>;
- };
- };
-
- fragment@3 {
- target = <&tc358743_0>;
- __dormant__ {
- data-lanes = <1 2 3 4>;
- };
- };
+#include "tc358743.dtsi"
- fragment@4 {
- target = <&i2c0if>;
- __overlay__ {
- status = "okay";
- };
- };
-
- fragment@5 {
- target = <&i2c0mux>;
- __overlay__ {
- status = "okay";
- };
- };
-
- clk_frag: fragment@6 {
- target = <&cam1_clk>;
- __overlay__ {
- status = "okay";
- clock-frequency = <27000000>;
- };
- };
-
- fragment@7 {
- target = <&csi1_ep>;
- __overlay__ {
- data-lanes = <1 2>;
- };
- };
-
- fragment@8 {
- target = <&csi1_ep>;
- __dormant__ {
- data-lanes = <1 2 3 4>;
- };
- };
+/ {
+ compatible = "brcm,bcm2835";
- fragment@9 {
+ fragment@100 {
target = <&csi1>;
__overlay__ {
compatible = "brcm,bcm2835-unicam-legacy";
@@ -105,12 +16,6 @@
};
__overrides__ {
- 4lane = <0>, "-2+3-7+8";
- link-frequency = <&tc358743_0>,"link-frequencies#0";
- media-controller = <0>,"!9";
- cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
- <&csi_frag>, "target:0=",<&csi0>,
- <&clk_frag>, "target:0=",<&cam0_clk>,
- <&tc358743>, "clocks:0=",<&cam0_clk>;
+ media-controller = <0>,"!100";
};
};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/tc358743-pi5-overlay.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Definitions for Toshiba TC358743 HDMI to CSI2 bridge on VC I2C bus. Pi5 variant
+/dts-v1/;
+/plugin/;
+
+#include "tc358743.dtsi"
+
+/ {
+ compatible = "brcm,bcm2712";
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/tc358743.dtsi
@@ -0,0 +1,101 @@
+/ {
+ i2c_frag: fragment@0 {
+ target = <&i2c_csi_dsi>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ tc358743: tc358743@f {
+ compatible = "toshiba,tc358743";
+ reg = <0x0f>;
+ status = "okay";
+
+ clocks = <&cam1_clk>;
+ clock-names = "refclk";
+
+ port {
+ tc358743_0: endpoint {
+ remote-endpoint = <&csi1_ep>;
+ clock-lanes = <0>;
+ clock-noncontinuous;
+ link-frequencies =
+ /bits/ 64 <486000000>;
+ };
+ };
+ };
+ };
+ };
+
+ csi_frag: fragment@1 {
+ target = <&csi1>;
+ csi: __overlay__ {
+ status = "okay";
+
+ port {
+ csi1_ep: endpoint {
+ remote-endpoint = <&tc358743_0>;
+ };
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&tc358743_0>;
+ __overlay__ {
+ data-lanes = <1 2>;
+ };
+ };
+
+ fragment@3 {
+ target = <&tc358743_0>;
+ __dormant__ {
+ data-lanes = <1 2 3 4>;
+ };
+ };
+
+ fragment@4 {
+ target = <&i2c0if>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@5 {
+ target = <&i2c0mux>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ clk_frag: fragment@6 {
+ target = <&cam1_clk>;
+ __overlay__ {
+ status = "okay";
+ clock-frequency = <27000000>;
+ };
+ };
+
+ fragment@7 {
+ target = <&csi1_ep>;
+ __overlay__ {
+ data-lanes = <1 2>;
+ };
+ };
+
+ fragment@8 {
+ target = <&csi1_ep>;
+ __dormant__ {
+ data-lanes = <1 2 3 4>;
+ };
+ };
+
+ __overrides__ {
+ 4lane = <0>, "-2+3-7+8";
+ link-frequency = <&tc358743_0>,"link-frequencies#0";
+ cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
+ <&csi_frag>, "target:0=",<&csi0>,
+ <&clk_frag>, "target:0=",<&cam0_clk>,
+ <&tc358743>, "clocks:0=",<&cam0_clk>;
+ };
+};