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20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
384 lines
9.8 KiB
Diff
384 lines
9.8 KiB
Diff
From 322899a48088cb09b3f2a068f78c93a63615da9e Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Sat, 20 Nov 2021 10:48:36 +0000
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Subject: [PATCH] dt: Create static regulators and clocks for camera
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nodes
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Unloading regulators through dynamic device tree doesn't work
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as the regulators will unregister whilst clients are still
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registered. Whilst the regulator framework does WARN when that
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happens, the client putting the regulator then typically results
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in a NULL dereference and badness.
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Instead of creating regulators and clocks from the overlays,
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create regulators and clocks for the sensors in the base DT.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 4 ++-
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arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts | 4 ++-
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arch/arm/boot/dts/bcm2708-rpi-b.dts | 4 ++-
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arch/arm/boot/dts/bcm2708-rpi-cm.dts | 21 ++++--------
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arch/arm/boot/dts/bcm2708-rpi-zero-w.dts | 4 ++-
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arch/arm/boot/dts/bcm2708-rpi-zero.dts | 4 ++-
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arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 4 ++-
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arch/arm/boot/dts/bcm270x.dtsi | 33 +++++++++++++++++++
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arch/arm/boot/dts/bcm2710-rpi-2-b.dts | 4 ++-
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arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 4 ++-
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arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 4 ++-
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arch/arm/boot/dts/bcm2710-rpi-cm3.dts | 21 ++++--------
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arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts | 4 ++-
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arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 4 ++-
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arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 1 -
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.../boot/dts/bcm283x-rpi-cam1-regulator.dtsi | 10 ------
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16 files changed, 80 insertions(+), 50 deletions(-)
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delete mode 100644 arch/arm/boot/dts/bcm283x-rpi-cam1-regulator.dtsi
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--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
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@@ -5,7 +5,6 @@
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#include "bcm283x-rpi-smsc9514.dtsi"
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_28.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
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@@ -116,6 +115,9 @@
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gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-b-rev1.dts
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@@ -4,7 +4,6 @@
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#include "bcm2708-rpi.dtsi"
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#include "bcm283x-rpi-smsc9512.dtsi"
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,model-b", "brcm,bcm2835";
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@@ -123,6 +122,9 @@ i2c_csi_dsi: &i2c1 {
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gpio = <&gpio 27 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
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@@ -5,7 +5,6 @@
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#include "bcm283x-rpi-smsc9512.dtsi"
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_28.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,model-b", "brcm,bcm2835";
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@@ -110,6 +109,9 @@
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gpio = <&gpio 21 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
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@@ -8,21 +8,14 @@
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/ {
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compatible = "raspberrypi,compute-module", "brcm,bcm2835";
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model = "Raspberry Pi Compute Module";
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+};
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+
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+&cam1_reg {
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+ gpio = <&gpio 2 GPIO_ACTIVE_HIGH>;
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+};
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- cam1_reg: cam1_reg {
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- compatible = "regulator-fixed";
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- regulator-name = "cam1-regulator";
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- gpio = <&gpio 2 GPIO_ACTIVE_HIGH>;
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- enable-active-high;
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- status = "disabled";
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- };
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- cam0_reg: cam0_reg {
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- compatible = "regulator-fixed";
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- regulator-name = "cam0-regulator";
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- gpio = <&gpio 30 GPIO_ACTIVE_HIGH>;
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- enable-active-high;
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- status = "disabled";
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- };
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+cam0_reg: &cam0_regulator {
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+ gpio = <&gpio 30 GPIO_ACTIVE_HIGH>;
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};
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&uart0 {
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--- a/arch/arm/boot/dts/bcm2708-rpi-zero-w.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-zero-w.dts
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@@ -5,7 +5,6 @@
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_28.dtsi"
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#include "bcm2708-rpi-bt.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
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@@ -167,6 +166,9 @@
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gpio = <&gpio 44 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2708-rpi-zero.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-zero.dts
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@@ -4,7 +4,6 @@
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#include "bcm2708-rpi.dtsi"
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_28.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,model-zero", "brcm,bcm2835";
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@@ -114,6 +113,9 @@
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gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
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+++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
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@@ -5,7 +5,6 @@
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#include "bcm283x-rpi-smsc9514.dtsi"
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_28.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
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@@ -116,6 +115,9 @@
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gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm270x.dtsi
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+++ b/arch/arm/boot/dts/bcm270x.dtsi
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@@ -153,6 +153,39 @@
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};
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};
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+ cam1_reg: cam1_regulator {
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+ compatible = "regulator-fixed";
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+ regulator-name = "cam1-reg";
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+ enable-active-high;
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+ /* Needs to be enabled, as removing a regulator is very unsafe */
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+ status = "okay";
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+ };
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+
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+ cam1_clk: cam1_clk {
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+ compatible = "fixed-clock";
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+ #clock-cells = <0>;
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+ status = "disabled";
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+ };
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+
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+ cam0_regulator: cam0_regulator {
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+ compatible = "regulator-fixed";
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+ regulator-name = "cam0-reg";
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+ enable-active-high;
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+ status = "disabled";
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+ };
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+
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+ cam0_clk: cam0_clk {
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+ compatible = "fixed-clock";
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+ #clock-cells = <0>;
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+ status = "disabled";
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+ };
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+
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+ cam_dummy_reg: cam_dummy_reg {
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+ compatible = "regulator-fixed";
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+ regulator-name = "cam-dummy-reg";
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+ status = "okay";
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+ };
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+
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__overrides__ {
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cam0-pwdn-ctrl;
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cam0-pwdn;
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--- a/arch/arm/boot/dts/bcm2710-rpi-2-b.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-2-b.dts
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@@ -5,7 +5,6 @@
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#include "bcm283x-rpi-smsc9514.dtsi"
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_28.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,2-model-b-rev2", "brcm,bcm2837";
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@@ -116,6 +115,9 @@
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gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
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@@ -6,7 +6,6 @@
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_44.dtsi"
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#include "bcm271x-rpi-bt.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
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@@ -188,6 +187,9 @@
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gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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@@ -6,7 +6,6 @@
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_44.dtsi"
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#include "bcm271x-rpi-bt.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
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@@ -197,6 +196,9 @@
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gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
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@@ -8,21 +8,14 @@
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/ {
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compatible = "raspberrypi,3-compute-module", "brcm,bcm2837";
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model = "Raspberry Pi Compute Module 3";
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+};
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+
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+&cam1_reg {
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+ gpio = <&gpio 2 GPIO_ACTIVE_HIGH>;
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+};
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- cam1_reg: cam1_reg {
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- compatible = "regulator-fixed";
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- regulator-name = "cam1-regulator";
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- gpio = <&gpio 2 GPIO_ACTIVE_HIGH>;
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- enable-active-high;
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- status = "disabled";
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- };
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- cam0_reg: cam0_reg {
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- compatible = "regulator-fixed";
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- regulator-name = "cam0-regulator";
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- gpio = <&gpio 30 GPIO_ACTIVE_HIGH>;
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- enable-active-high;
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- status = "disabled";
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- };
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+cam0_reg: &cam0_regulator {
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+ gpio = <&gpio 30 GPIO_ACTIVE_HIGH>;
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};
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&uart0 {
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--- a/arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-zero-2-w.dts
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@@ -5,7 +5,6 @@
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_44.dtsi"
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#include "bcm2708-rpi-bt.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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compatible = "raspberrypi,model-zero-2-w", "brcm,bcm2837";
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@@ -188,6 +187,9 @@
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gpio = <&gpio 40 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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@@ -279,7 +279,6 @@
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#include "bcm2711-rpi-ds.dtsi"
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#include "bcm283x-rpi-csi1-2lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_44.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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chosen {
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@@ -548,6 +547,9 @@
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gpio = <&expgpio 5 GPIO_ACTIVE_HIGH>;
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};
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+cam0_reg: &cam_dummy_reg {
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+};
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+
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/ {
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__overrides__ {
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act_led_gpio = <&act_led>,"gpios:4";
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--- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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@@ -297,7 +297,6 @@
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#include "bcm283x-rpi-csi0-2lane.dtsi"
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#include "bcm283x-rpi-csi1-4lane.dtsi"
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#include "bcm283x-rpi-i2c0mux_0_44.dtsi"
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-#include "bcm283x-rpi-cam1-regulator.dtsi"
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/ {
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chosen {
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--- a/arch/arm/boot/dts/bcm283x-rpi-cam1-regulator.dtsi
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+++ /dev/null
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@@ -1,10 +0,0 @@
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-// SPDX-License-Identifier: GPL-2.0
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-
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-/ {
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- cam1_reg: cam1_reg {
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- compatible = "regulator-fixed";
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- regulator-name = "cam1-reg";
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- enable-active-high;
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- status = "disabled";
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- };
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-};
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