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openwrt/target/linux/bcm27xx/patches-6.6/950-1163-dts-Make-camN_reg-and-camN_reg_gpio-overrides-generi.patch
Álvaro Fernández Rojas 0171157d45 bcm27xx: update to latest RPi patches 
The patches were generated from the RPi repo with the following command:
git format-patch v6.6.44..rpi-6.6.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-08-06 18:38:00 +02:00

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From 6e4ad40811170653431fc40a6fdc3f486863b40f Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 4 Jul 2024 18:15:00 +0100
Subject: [PATCH 1163/1215] dts: Make camN_reg and camN_reg_gpio overrides
generic
The camera regulator GPIO can be used for other purposes,
so the camN_reg override to allow disabling is potentially
useful on any platform.
camN_gpio is less useful, but isn't invalid.
Move these overrides from the CM dt files to bcm270x-rpi.dtsi
and bcm2712-rpi.dtsi.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
.../arm/boot/dts/broadcom/bcm2708-rpi-cm.dtsi | 4 ----
.../arm/boot/dts/broadcom/bcm2709-rpi-cm2.dts | 4 ----
arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi | 7 +++++++
.../arm/boot/dts/broadcom/bcm2710-rpi-cm3.dts | 4 ----
.../arm/boot/dts/broadcom/bcm2711-rpi-cm4.dts | 7 -------
.../boot/dts/broadcom/bcm2711-rpi-cm4s.dts | 5 -----
arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi | 8 ++++++++
arch/arm/boot/dts/overlays/README | 20 +++++++++----------
8 files changed, 25 insertions(+), 34 deletions(-)
--- a/arch/arm/boot/dts/broadcom/bcm2708-rpi-cm.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2708-rpi-cm.dtsi
@@ -19,9 +19,5 @@ i2c_vc: &i2c0 {
act_led_gpio = <&led_act>,"gpios:4";
act_led_activelow = <&led_act>,"gpios:8";
act_led_trigger = <&led_act>,"linux,default-trigger";
- cam0_reg = <&cam0_reg>,"status";
- cam0_reg_gpio = <&cam0_reg>,"gpio:4";
- cam1_reg = <&cam1_reg>,"status";
- cam1_reg_gpio = <&cam1_reg>,"gpio:4";
};
};
--- a/arch/arm/boot/dts/broadcom/bcm2709-rpi-cm2.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2709-rpi-cm2.dts
@@ -211,9 +211,5 @@ i2c_csi_dsi0: &i2c0 {
act_led_gpio = <&led_act>,"gpios:4";
act_led_activelow = <&led_act>,"gpios:8";
act_led_trigger = <&led_act>,"linux,default-trigger";
- cam0_reg = <&cam0_reg>,"status";
- cam0_reg_gpio = <&cam0_reg>,"gpio:4";
- cam1_reg = <&cam1_reg>,"status";
- cam1_reg_gpio = <&cam1_reg>,"gpio:4";
};
};
--- a/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
@@ -111,6 +111,13 @@
<&csi0>, "sync-gpios:4",
<&csi0>, "sync-gpios:8=", <GPIO_ACTIVE_LOW>;
+ cam0_reg = <&cam0_reg>,"status";
+ cam0_reg_gpio = <&cam0_reg>,"gpio:4",
+ <&cam0_reg>,"gpio:0=", <&gpio>;
+ cam1_reg = <&cam1_reg>,"status";
+ cam1_reg_gpio = <&cam1_reg>,"gpio:4",
+ <&cam1_reg>,"gpio:0=", <&gpio>;
+
strict_gpiod = <&chosen>, "bootargs=pinctrl_bcm2835.persist_gpio_outputs=n";
};
};
--- a/arch/arm/boot/dts/broadcom/bcm2710-rpi-cm3.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2710-rpi-cm3.dts
@@ -211,9 +211,5 @@ i2c_csi_dsi0: &i2c0 {
act_led_gpio = <&led_act>,"gpios:4";
act_led_activelow = <&led_act>,"gpios:8";
act_led_trigger = <&led_act>,"linux,default-trigger";
- cam0_reg = <&cam0_reg>,"status";
- cam0_reg_gpio = <&cam0_reg>,"gpio:4";
- cam1_reg = <&cam1_reg>,"status";
- cam1_reg_gpio = <&cam1_reg>,"gpio:4";
};
};
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4.dts
@@ -498,13 +498,6 @@ i2c_csi_dsi0: &i2c0 {
<&ant2>, "output-high?=off",
<&ant2>, "output-low?=on";
- cam0_reg = <&cam0_reg>,"status";
- cam0_reg_gpio = <&cam0_reg>,"gpio:4",
- <&cam0_reg>,"gpio:0=", <&gpio>;
- cam1_reg = <&cam1_reg>,"status";
- cam1_reg_gpio = <&cam1_reg>,"gpio:4",
- <&cam1_reg>,"gpio:0=", <&gpio>;
-
pcie_tperst_clk_ms = <&pcie0>,"brcm,tperst-clk-ms:0";
};
};
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4s.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4s.dts
@@ -289,10 +289,5 @@ i2c_csi_dsi0: &i2c0 {
act_led_gpio = <&led_act>,"gpios:4";
act_led_activelow = <&led_act>,"gpios:8";
act_led_trigger = <&led_act>,"linux,default-trigger";
-
- cam0_reg = <&cam0_reg>,"status";
- cam0_reg_gpio = <&cam0_reg>,"gpio:4";
- cam1_reg = <&cam1_reg>,"status";
- cam1_reg_gpio = <&cam1_reg>,"gpio:4";
};
};
--- a/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
@@ -106,6 +106,14 @@
nvmem_priv_rw = <&nvmem_priv>,"rw?";
nvmem_mac_rw = <&nvmem_mac>,"rw?";
strict_gpiod = <&chosen>, "bootargs=pinctrl_rp1.persist_gpio_outputs=n";
+
+ cam0_reg = <&cam0_reg>,"status";
+ cam0_reg_gpio = <&cam0_reg>,"gpio:4",
+ <&cam0_reg>,"gpio:0=", <&gpio>;
+ cam1_reg = <&cam1_reg>,"status";
+ cam1_reg_gpio = <&cam1_reg>,"gpio:4",
+ <&cam1_reg>,"gpio:0=", <&gpio>;
+
};
};
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -171,21 +171,21 @@ Params:
button_debounce Set the debounce delay (in ms) on the power/
shutdown button (default 50ms)
- cam0_reg Enables CAM 0 regulator.
- Only required on CM1 & 3.
+ cam0_reg Controls CAM 0 regulator.
+ Disabled by default on CM1 & 3.
+ Enabled by default on all other boards.
cam0_reg_gpio Set GPIO for CAM 0 regulator.
- Default 31 on CM1, 3, and 4S.
- Default of GPIO expander 5 on CM4, but override
- switches to normal GPIO.
+ NB override switches to the normal GPIO driver,
+ even if the original was on the GPIO expander.
- cam1_reg Enables CAM 1 regulator.
- Only required on CM1 & 3.
+ cam1_reg Controls CAM 1 regulator.
+ Disabled by default on CM1 & 3.
+ Enabled by default on all other boards.
cam1_reg_gpio Set GPIO for CAM 1 regulator.
- Default 3 on CM1, 3, and 4S.
- Default of GPIO expander 5 on CM4, but override
- switches to normal GPIO.
+ NB override switches to the normal GPIO driver,
+ even if the original was on the GPIO expander.
cam0_sync Enable a GPIO to reflect frame sync from CSI0,
going high on frame start, and low on frame end.
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