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2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
325 lines
6.9 KiB
Diff
325 lines
6.9 KiB
Diff
From a2d2ac2146d46c29d9fd086c777ca7643eb699db Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Fri, 6 May 2016 11:48:35 -0700
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Subject: [PATCH] BCM270X_DT: Move vc4 node contents to bcm2708_common.dtsi.
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This should clarify what's going on with the overlay: The hardware is
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always present, we're just enabling the DT node so that the vc4 driver
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probes.
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The interrupts are left in the overlay, because the firmware doesn't
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check node status before masking out the vc4 interrupts.
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By having the nodes in the common file, we'll be able to correctly
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connect the HDMI HPD GPIO so that we can detect whether an HDMI
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monitor is connected.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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arch/arm/boot/dts/bcm2708_common.dtsi | 51 +++++++
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arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 160 ++++++++++-----------
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2 files changed, 129 insertions(+), 82 deletions(-)
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--- a/arch/arm/boot/dts/bcm2708_common.dtsi
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+++ b/arch/arm/boot/dts/bcm2708_common.dtsi
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@@ -1,4 +1,7 @@
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+#include "dt-bindings/clock/bcm2835.h"
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#include <dt-bindings/clock/bcm2835-aux.h>
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+#include "dt-bindings/power/raspberrypi-power.h"
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+#include "dt-bindings/gpio/gpio.h"
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#include "skeleton.dtsi"
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/ {
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@@ -170,6 +173,18 @@
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status = "disabled";
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};
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+ pixelvalve0: pixelvalve@7e206000 {
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+ compatible = "brcm,bcm2835-pixelvalve0";
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+ reg = <0x7e206000 0x100>;
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+ status = "disabled";
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+ };
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+
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+ pixelvalve1: pixelvalve@7e207000 {
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+ compatible = "brcm,bcm2835-pixelvalve1";
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+ reg = <0x7e207000 0x100>;
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+ status = "disabled";
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+ };
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+
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pwm: pwm@7e20c000 {
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compatible = "brcm,bcm2835-pwm";
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reg = <0x7e20c000 0x28>;
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@@ -227,6 +242,12 @@
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status = "disabled";
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};
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+ hvs: hvs@7e400000 {
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+ compatible = "brcm,bcm2835-hvs";
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+ reg = <0x7e400000 0x6000>;
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+ status = "disabled";
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+ };
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+
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i2c1: i2c@7e804000 {
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compatible = "brcm,bcm2708-i2c";
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reg = <0x7e804000 0x1000>;
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@@ -261,6 +282,25 @@
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status = "disabled";
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};
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+ pixelvalve2: pixelvalve@7e807000 {
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+ compatible = "brcm,bcm2835-pixelvalve2";
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+ reg = <0x7e807000 0x100>;
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+ status = "disabled";
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+ };
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+
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+ hdmi: hdmi@7e902000 {
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+ compatible = "brcm,bcm2835-hdmi";
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+ reg = <0x7e902000 0x600>,
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+ <0x7e808000 0x100>;
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+ ddc = <&i2c2>;
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+ hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
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+ clocks = <&cprman BCM2835_PLLH_PIX>,
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+ <&cprman BCM2835_CLOCK_HSM>;
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+ clock-names = "pixel", "hdmi";
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+ power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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+ status = "disabled";
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+ };
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+
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usb: usb@7e980000 {
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compatible = "brcm,bcm2708-usb";
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reg = <0x7e980000 0x10000>,
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@@ -269,6 +309,12 @@
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<1 9>;
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};
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+ v3d: v3d@7ec00000 {
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+ compatible = "brcm,vc4-v3d";
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+ reg = <0x7ec00000 0x1000>;
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+ status = "disabled";
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+ };
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+
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firmware: firmware {
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compatible = "raspberrypi,bcm2835-firmware";
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mboxes = <&mailbox>;
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@@ -303,6 +349,11 @@
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firmware = <&firmware>;
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};
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+ gpu: gpu {
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+ compatible = "brcm,bcm2835-vc4";
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+ status = "disabled";
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+ };
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+
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/* Onboard audio */
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audio: audio {
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compatible = "brcm,bcm2835-audio";
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--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
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@@ -5,129 +5,125 @@
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/dts-v1/;
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/plugin/;
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-#include "dt-bindings/clock/bcm2835.h"
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-#include "dt-bindings/power/raspberrypi-power.h"
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-#include "dt-bindings/gpio/gpio.h"
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-
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/ {
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compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
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fragment@0 {
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+ target-path = "/chosen";
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+ __overlay__ {
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+ bootargs = "cma=256M@256M";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target-path = "/chosen";
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+ __dormant__ {
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+ bootargs = "cma=192M@256M";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target-path = "/chosen";
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+ __dormant__ {
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+ bootargs = "cma=128M@128M";
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+ };
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+ };
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+
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+ fragment@3 {
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+ target-path = "/chosen";
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+ __dormant__ {
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+ bootargs = "cma=96M@128M";
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+ };
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+ };
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+
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+ fragment@4 {
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+ target-path = "/chosen";
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+ __dormant__ {
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+ bootargs = "cma=64M@64M";
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+ };
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+ };
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+
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+ fragment@5 {
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target = <&i2c2>;
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__overlay__ {
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status = "okay";
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};
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};
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- fragment@1 {
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+ fragment@6 {
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target = <&cprman>;
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__overlay__ {
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status = "okay";
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};
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};
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- fragment@2 {
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+ fragment@7 {
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target = <&fb>;
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__overlay__ {
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status = "disabled";
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};
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};
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- fragment@3 {
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- target = <&soc>;
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+ fragment@8 {
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+ target = <&pixelvalve0>;
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__overlay__ {
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- #address-cells = <1>;
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- #size-cells = <1>;
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+ interrupts = <2 13>; /* pwa0 */
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+ status = "okay";
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+ };
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+ };
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- pixelvalve@7e206000 {
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- compatible = "brcm,bcm2835-pixelvalve0";
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- reg = <0x7e206000 0x100>;
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- interrupts = <2 13>; /* pwa0 */
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- };
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-
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- pixelvalve@7e207000 {
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- compatible = "brcm,bcm2835-pixelvalve1";
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- reg = <0x7e207000 0x100>;
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- interrupts = <2 14>; /* pwa1 */
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- };
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-
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- hvs@7e400000 {
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- compatible = "brcm,bcm2835-hvs";
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- reg = <0x7e400000 0x6000>;
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- interrupts = <2 1>;
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- };
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-
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- pixelvalve@7e807000 {
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- compatible = "brcm,bcm2835-pixelvalve2";
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- reg = <0x7e807000 0x100>;
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- interrupts = <2 10>; /* pixelvalve */
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- };
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-
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- hdmi@7e902000 {
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- compatible = "brcm,bcm2835-hdmi";
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- reg = <0x7e902000 0x600>,
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- <0x7e808000 0x100>;
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- interrupts = <2 8>, <2 9>;
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- ddc = <&i2c2>;
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- hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
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- clocks = <&cprman BCM2835_PLLH_PIX>,
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- <&cprman BCM2835_CLOCK_HSM>;
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- clock-names = "pixel", "hdmi";
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- power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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- };
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-
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- v3d@7ec00000 {
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- compatible = "brcm,vc4-v3d";
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- reg = <0x7ec00000 0x1000>;
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- interrupts = <1 10>;
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- };
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-
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- gpu@7e4c0000 {
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- compatible = "brcm,bcm2835-vc4";
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- };
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+ fragment@9 {
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+ target = <&pixelvalve1>;
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+ __overlay__ {
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+ interrupts = <2 14>; /* pwa1 */
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+ status = "okay";
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};
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};
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- fragment@4 {
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- target-path = "/chosen";
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- __overlay__ {
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- bootargs = "cma=256M@256M";
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+ fragment@10 {
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+ target = <&pixelvalve2>;
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+ __overlay__ {
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+ interrupts = <2 10>; /* pixelvalve */
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+ status = "okay";
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};
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};
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- fragment@5 {
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- target-path = "/chosen";
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- __dormant__ {
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- bootargs = "cma=192M@256M";
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+ fragment@11 {
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+ target = <&hvs>;
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+ __overlay__ {
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+ interrupts = <2 1>;
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+ status = "okay";
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};
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};
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- fragment@6 {
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- target-path = "/chosen";
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- __dormant__ {
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- bootargs = "cma=128M@128M";
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+ fragment@12 {
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+ target = <&hdmi>;
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+ __overlay__ {
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+ interrupts = <2 8>, <2 9>;
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+ status = "okay";
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};
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};
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- fragment@7 {
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- target-path = "/chosen";
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- __dormant__ {
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- bootargs = "cma=96M@128M";
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+ fragment@13 {
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+ target = <&v3d>;
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+ __overlay__ {
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+ interrupts = <1 10>;
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+ status = "okay";
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};
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};
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- fragment@8 {
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- target-path = "/chosen";
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- __dormant__ {
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- bootargs = "cma=64M@64M";
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+ fragment@14 {
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+ target = <&gpu>;
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+ __overlay__ {
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+ status = "okay";
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};
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};
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__overrides__ {
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- cma-256 = <0>,"+4-5-6-7-8";
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- cma-192 = <0>,"-4+5-6-7-8";
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- cma-128 = <0>,"-4-5+6-7-8";
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- cma-96 = <0>,"-4-5-6+7-8";
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- cma-64 = <0>,"-4-5-6-7+8";
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+ cma-256 = <0>,"+0-1-2-3-4";
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+ cma-192 = <0>,"-0+1-2-3-4";
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+ cma-128 = <0>,"-0-1+2-3-4";
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+ cma-96 = <0>,"-0-1-2+3-4";
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+ cma-64 = <0>,"-0-1-2-3+4";
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};
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};
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