bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 1076 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0439-ARM-dts-Rebuild-downstream-DTS-files.patch b/target/linux/bcm27xx/patches-5.4/950-0439-ARM-dts-Rebuild-downstream-DTS-files.patch
new file mode 100644
index 0000000000..8d230d0edb
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0439-ARM-dts-Rebuild-downstream-DTS-files.patch
@@ -0,0 +1,1076 @@
+From b229e7f5a6d21d1b52f3f19fed58bba638714884 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Thu, 30 Jan 2020 15:48:00 +0000
+Subject: [PATCH] ARM: dts: Rebuild downstream DTS files
+
+Refactor the tree of downstream DTS files to achieve approximately the
+same end result but wihout modifying upstream files (except for
+bcm2711-rpi-4-b.dts).
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ arch/arm/boot/dts/bcm2708-rpi.dtsi         | 133 +--------
+ arch/arm/boot/dts/bcm2708.dtsi             |   4 +
+ arch/arm/boot/dts/bcm2709.dtsi             |   4 +
+ arch/arm/boot/dts/bcm270x-rpi.dtsi         | 139 +++++++++
+ arch/arm/boot/dts/bcm270x.dtsi             |  98 ++++---
+ arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts |  13 +
+ arch/arm/boot/dts/bcm2710.dtsi             |   4 +
+ arch/arm/boot/dts/bcm2711-rpi-4-b.dts      | 315 ++++++++++++++++++++-
+ arch/arm/boot/dts/bcm2711-rpi.dtsi         | 222 +++++++++++++++
+ 9 files changed, 766 insertions(+), 166 deletions(-)
+ create mode 100644 arch/arm/boot/dts/bcm270x-rpi.dtsi
+ create mode 100644 arch/arm/boot/dts/bcm2711-rpi.dtsi
+
+--- a/arch/arm/boot/dts/bcm2708-rpi.dtsi
++++ b/arch/arm/boot/dts/bcm2708-rpi.dtsi
+@@ -1,6 +1,7 @@
+-/* Downstream modifications to bcm2835-rpi.dtsi */
++/* Downstream modifications common to bcm2835, bcm2836, bcm2837 */
+ 
+ #include "bcm2835-rpi.dtsi"
++#include "bcm270x-rpi.dtsi"
+ 
+ / {
+ 	memory@0 {
+@@ -9,147 +10,27 @@
+ 	};
+ 
+ 	aliases {
+-		audio = &audio;
+-		aux = &aux;
+-		sound = &sound;
+-		soc = &soc;
+-		dma = &dma;
+-		intc = &intc;
+-		watchdog = &watchdog;
+-		random = &random;
+-		mailbox = &mailbox;
+-		gpio = &gpio;
+-		uart0 = &uart0;
+-		sdhost = &sdhost;
+-		mmc0 = &sdhost;
+-		i2s = &i2s;
+-		spi0 = &spi0;
+-		i2c0 = &i2c0;
+-		uart1 = &uart1;
+-		spi1 = &spi1;
+-		spi2 = &spi2;
+-		mmc = &mmc;
+-		mmc1 = &mmc;
+-		i2c1 = &i2c1;
+ 		i2c2 = &i2c2;
+-		usb = &usb;
+-		leds = &leds;
+-		fb = &fb;
+-		thermal = &thermal;
+-		axiperf = &axiperf;
+-	};
+-
+-	leds: leds {
+-		compatible = "gpio-leds";
+-	};
+-
+-	soc {
+-		gpiomem {
+-			compatible = "brcm,bcm2835-gpiomem";
+-			reg = <0x7e200000 0x1000>;
+-		};
+-
+-		fb: fb {
+-			compatible = "brcm,bcm2708-fb";
+-			firmware = <&firmware>;
+-			status = "okay";
+-		};
+-
+-		vcsm: vcsm {
+-			compatible = "raspberrypi,bcm2835-vcsm";
+-			firmware = <&firmware>;
+-			status = "okay";
+-		};
+-
+-		/* Onboard audio */
+-		audio: audio {
+-			compatible = "brcm,bcm2835-audio";
+-			brcm,pwm-channels = <8>;
+-			status = "disabled";
+-		};
+-
+-		/* External sound card */
+-		sound: sound {
+-			status = "disabled";
+-		};
+ 	};
+ 
+ 	__overrides__ {
+-		cache_line_size;
+-
+-		uart0 = <&uart0>,"status";
+-		uart1 = <&uart1>,"status";
+-		i2s = <&i2s>,"status";
+-		spi = <&spi0>,"status";
+-		i2c0 = <&i2c0>,"status";
+-		i2c1 = <&i2c1>,"status";
+ 		i2c2_iknowwhatimdoing = <&i2c2>,"status";
+-		i2c0_baudrate = <&i2c0>,"clock-frequency:0";
+-		i2c1_baudrate = <&i2c1>,"clock-frequency:0";
+ 		i2c2_baudrate = <&i2c2>,"clock-frequency:0";
+-
+-		audio = <&audio>,"status";
+-		watchdog = <&watchdog>,"status";
+-		random = <&random>,"status";
+-		sd_overclock = <&sdhost>,"brcm,overclock-50:0";
+-		sd_poll_once = <&sdhost>,"non-removable?";
+-		sd_force_pio = <&sdhost>,"brcm,force-pio?";
+-		sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
+-		sd_debug     = <&sdhost>,"brcm,debug";
+-		sdio_overclock = <&mmc>,"brcm,overclock-50:0",
+-				 <&mmcnr>,"brcm,overclock-50:0";
+-		axiperf      = <&axiperf>,"status";
++		sd_poll_once = <&sdhost>, "non-removable?";
+ 	};
+ };
+ 
+-&hdmi {
+-	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
+-	status = "disabled";
+-};
+-
+-&txp {
+-	status = "disabled";
+-};
+-
+-&i2c0 {
+-	status = "disabled";
+-};
+-
+-&i2c1 {
+-	status = "disabled";
+-};
+-
+-&i2c2 {
+-	status = "disabled";
+-};
+-
+-&clocks {
+-	firmware = <&firmware>;
+-};
+-
+-&sdhci {
+-	pinctrl-names = "default";
+-	pinctrl-0 = <&emmc_gpio48>;
+-	bus-width = <4>;
+-};
+-
+-sdhost_pins: &sdhost_gpio48 {
+-	/* Add alias */
+-};
+-
+ &sdhost {
+ 	pinctrl-names = "default";
+ 	pinctrl-0 = <&sdhost_gpio48>;
+-	bus-width = <4>;
+-	brcm,overclock-50 = <0>;
+-	brcm,pio-limit = <1>;
+ 	status = "okay";
+ };
+ 
+-&cpu_thermal {
+-	/delete-node/ trips;
++&hdmi {
++	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
++	status = "disabled";
+ };
+ 
+-&vec {
++&i2c2 {
+ 	status = "disabled";
+ };
+--- a/arch/arm/boot/dts/bcm2708.dtsi
++++ b/arch/arm/boot/dts/bcm2708.dtsi
+@@ -8,3 +8,7 @@
+ 		arm_freq;
+ 	};
+ };
++
++&vc4 {
++	status = "disabled";
++};
+--- a/arch/arm/boot/dts/bcm2709.dtsi
++++ b/arch/arm/boot/dts/bcm2709.dtsi
+@@ -16,3 +16,7 @@
+ 			   <&v7_cpu3>, "clock-frequency:0";
+ 	};
+ };
++
++&vc4 {
++	status = "disabled";
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm270x-rpi.dtsi
+@@ -0,0 +1,139 @@
++/* Downstream modifications to bcm2835-rpi.dtsi */
++
++/ {
++	aliases {
++		audio = &audio;
++		aux = &aux;
++		sound = &sound;
++		soc = &soc;
++		dma = &dma;
++		intc = &intc;
++		watchdog = &watchdog;
++		random = &random;
++		mailbox = &mailbox;
++		gpio = &gpio;
++		uart0 = &uart0;
++		uart1 = &uart1;
++		sdhost = &sdhost;
++		mmc = &mmc;
++		mmc1 = &mmc;
++		mmc0 = &sdhost;
++		i2s = &i2s;
++		i2c0 = &i2c0;
++		i2c1 = &i2c1;
++		spi0 = &spi0;
++		spi1 = &spi1;
++		spi2 = &spi2;
++		usb = &usb;
++		leds = &leds;
++		fb = &fb;
++		thermal = &thermal;
++		axiperf = &axiperf;
++	};
++
++	/* Define these notional regulators for use by overlays */
++	vdd_3v3_reg: fixedregulator_3v3 {
++		compatible = "regulator-fixed";
++		regulator-always-on;
++		regulator-max-microvolt = <3300000>;
++		regulator-min-microvolt = <3300000>;
++		regulator-name = "3v3";
++	};
++
++	vdd_5v0_reg: fixedregulator_5v0 {
++		compatible = "regulator-fixed";
++		regulator-always-on;
++		regulator-max-microvolt = <5000000>;
++		regulator-min-microvolt = <5000000>;
++		regulator-name = "5v0";
++	};
++
++	leds: leds {
++		compatible = "gpio-leds";
++	};
++
++	soc {
++		gpiomem {
++			compatible = "brcm,bcm2835-gpiomem";
++			reg = <0x7e200000 0x1000>;
++		};
++
++		fb: fb {
++			compatible = "brcm,bcm2708-fb";
++			firmware = <&firmware>;
++			status = "okay";
++		};
++
++		vcsm: vcsm {
++			compatible = "raspberrypi,bcm2835-vcsm";
++			firmware = <&firmware>;
++			status = "okay";
++		};
++
++		/* Onboard audio */
++		audio: audio {
++			compatible = "brcm,bcm2835-audio";
++			brcm,pwm-channels = <8>;
++			status = "disabled";
++		};
++
++		/* External sound card */
++		sound: sound {
++			status = "disabled";
++		};
++	};
++
++	__overrides__ {
++		cache_line_size;
++
++		uart0 = <&uart0>,"status";
++		uart1 = <&uart1>,"status";
++		i2s = <&i2s>,"status";
++		spi = <&spi0>,"status";
++		i2c0 = <&i2c0>,"status";
++		i2c1 = <&i2c1>,"status";
++		i2c0_baudrate = <&i2c0>,"clock-frequency:0";
++		i2c1_baudrate = <&i2c1>,"clock-frequency:0";
++
++		audio = <&audio>,"status";
++		watchdog = <&watchdog>,"status";
++		random = <&random>,"status";
++		sd_overclock = <&sdhost>,"brcm,overclock-50:0";
++		sd_force_pio = <&sdhost>,"brcm,force-pio?";
++		sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
++		sd_debug     = <&sdhost>,"brcm,debug";
++		sdio_overclock = <&mmc>,"brcm,overclock-50:0",
++				 <&mmcnr>,"brcm,overclock-50:0";
++		axiperf      = <&axiperf>,"status";
++	};
++};
++
++&txp {
++	status = "disabled";
++};
++
++&i2c0 {
++	status = "disabled";
++};
++
++&i2c1 {
++	status = "disabled";
++};
++
++&clocks {
++	firmware = <&firmware>;
++};
++
++&sdhci {
++	pinctrl-names = "default";
++	pinctrl-0 = <&emmc_gpio48>;
++	bus-width = <4>;
++};
++
++&cpu_thermal {
++	/delete-node/ trips;
++};
++
++&vec {
++	status = "disabled";
++};
+--- a/arch/arm/boot/dts/bcm270x.dtsi
++++ b/arch/arm/boot/dts/bcm270x.dtsi
+@@ -17,32 +17,8 @@
+ 			/* Add label */
+ 		};
+ 
+-		gpio@7e200000 { /* gpio */
+-			interrupts = <2 17>, <2 18>;
+-
+-			dpi_18bit_gpio0: dpi_18bit_gpio0 {
+-				brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
+-					     12 13 14 15 16 17 18 19
+-					     20 21>;
+-				brcm,function = <BCM2835_FSEL_ALT2>;
+-			};
+-		};
+-
+-		serial@7e201000 { /* uart0 */
+-			/* Enable CTS bug workaround */
+-			cts-event-workaround;
+-		};
+-
+-		i2s@7e203000 { /* i2s */
+-			#sound-dai-cells = <0>;
+-			reg = <0x7e203000 0x24>;
+-			clocks = <&clocks BCM2835_CLOCK_PCM>;
+-		};
+-
+ 		spi0: spi@7e204000 {
+ 			/* Add label */
+-			dmas = <&dma 6>, <&dma 7>;
+-			dma-names = "tx", "rx";
+ 		};
+ 
+ 		pixelvalve0: pixelvalve@7e206000 {
+@@ -55,17 +31,6 @@
+ 			status = "disabled";
+ 		};
+ 
+-		dpi: dpi@7e208000 {
+-			compatible = "brcm,bcm2835-dpi";
+-			reg = <0x7e208000 0x8c>;
+-			clocks = <&clocks BCM2835_CLOCK_VPU>,
+-				 <&clocks BCM2835_CLOCK_DPI>;
+-			clock-names = "core", "pixel";
+-			#address-cells = <1>;
+-			#size-cells = <0>;
+-			status = "disabled";
+-		};
+-
+ 		/delete-node/ sdhci@7e300000;
+ 
+ 		sdhci: mmc: mmc@7e300000 {
+@@ -118,6 +83,34 @@
+ 			status = "disabled";
+ 		};
+ 
++		csi0: csi@7e800000 {
++			compatible = "brcm,bcm2835-unicam";
++			reg = <0x7e800000 0x800>,
++			      <0x7e802000 0x4>;
++			interrupts = <2 6>;
++			clocks = <&clocks BCM2835_CLOCK_CAM0>;
++			clock-names = "lp";
++			power-domains = <&power RPI_POWER_DOMAIN_UNICAM0>;
++			#address-cells = <1>;
++			#size-cells = <0>;
++			#clock-cells = <1>;
++			status = "disabled";
++		};
++
++		csi1: csi@7e801000 {
++			compatible = "brcm,bcm2835-unicam";
++			reg = <0x7e801000 0x800>,
++			      <0x7e802004 0x4>;
++			interrupts = <2 7>;
++			clocks = <&clocks BCM2835_CLOCK_CAM1>;
++			clock-names = "lp";
++			power-domains = <&power RPI_POWER_DOMAIN_UNICAM1>;
++			#address-cells = <1>;
++			#size-cells = <0>;
++			#clock-cells = <1>;
++			status = "disabled";
++		};
++
+ 		pixelvalve2: pixelvalve@7e807000 {
+ 			/* Add label */
+ 			status = "disabled";
+@@ -160,6 +153,37 @@
+ 	};
+ };
+ 
+-&vc4 {
+-	status = "disabled";
++&gpio {
++	interrupts = <2 17>, <2 18>;
++
++	dpi_18bit_gpio0: dpi_18bit_gpio0 {
++		brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
++			     12 13 14 15 16 17 18 19
++			     20 21>;
++		brcm,function = <BCM2835_FSEL_ALT2>;
++	};
++};
++
++&uart0 {
++	/* Enable CTS bug workaround */
++	cts-event-workaround;
++};
++
++&i2s {
++	#sound-dai-cells = <0>;
++	dmas = <&dma 2>, <&dma 3>;
++	dma-names = "tx", "rx";
++};
++
++&sdhost {
++	dmas = <&dma (13|(1<<29))>;
++	dma-names = "rx-tx";
++	bus-width = <4>;
++	brcm,overclock-50 = <0>;
++	brcm,pio-limit = <1>;
++};
++
++&spi0 {
++	dmas = <&dma 6>, <&dma 7>;
++	dma-names = "tx", "rx";
+ };
+--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
++++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
+@@ -170,6 +170,12 @@
+ 	pinctrl-0 = <&audio_pins>;
+ };
+ 
++&eth_phy {
++	microchip,eee-enabled;
++	microchip,tx-lpi-timer = <600>; /* non-aggressive*/
++	microchip,downshift-after = <2>;
++};
++
+ / {
+ 	__overrides__ {
+ 		act_led_gpio = <&act_led>,"gpios:4";
+@@ -179,5 +185,12 @@
+ 		pwr_led_gpio = <&pwr_led>,"gpios:4";
+ 		pwr_led_activelow = <&pwr_led>,"gpios:8";
+ 		pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
++
++		eee = <&eth_phy>,"microchip,eee-enabled?";
++		tx_lpi_timer = <&eth_phy>,"microchip,tx-lpi-timer:0";
++		eth_led0 = <&eth_phy>,"microchip,led-modes:0";
++		eth_led1 = <&eth_phy>,"microchip,led-modes:4";
++		eth_downshift_after = <&eth_phy>,"microchip,downshift-after:0";
++		eth_max_speed = <&eth_phy>,"max-speed:0";
+ 	};
+ };
+--- a/arch/arm/boot/dts/bcm2710.dtsi
++++ b/arch/arm/boot/dts/bcm2710.dtsi
+@@ -23,3 +23,7 @@
+ 		       <&cpu3>, "clock-frequency:0";
+ 	};
+ };
++
++&vc4 {
++	status = "disabled";
++};
+--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
++++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+@@ -2,7 +2,6 @@
+ /dts-v1/;
+ #include "bcm2711.dtsi"
+ #include "bcm2835-rpi.dtsi"
+-#include "bcm283x-rpi-usb-peripheral.dtsi"
+ 
+ / {
+ 	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
+@@ -65,8 +64,8 @@
+ 				  "GLOBAL_RESET",
+ 				  "VDD_SD_IO_SEL",
+ 				  "CAM_GPIO",
+-				  "",
+-				  "";
++				  "SD_PWR_ON",
++				  "SD_OC_N";
+ 		status = "okay";
+ 	};
+ };
+@@ -138,3 +137,313 @@
+ &vchiq {
+ 	interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+ };
++
++// =============================================
++// Downstream rpi- changes
++
++#include "bcm270x.dtsi"
++#include "bcm2711-rpi.dtsi"
++#include "bcm283x-rpi-csi1-2lane.dtsi"
++
++/ {
++	chosen {
++		bootargs = "coherent_pool=1M 8250.nr_uarts=1 cma=64M";
++	};
++
++	aliases {
++		serial0 = &uart1;
++		serial1 = &uart0;
++		mmc0 = &emmc2;
++		mmc1 = &mmcnr;
++		mmc2 = &sdhost;
++		/delete-property/ i2c2;
++		i2c3 = &i2c3;
++		i2c4 = &i2c4;
++		i2c5 = &i2c5;
++		i2c6 = &i2c6;
++		/delete-property/ ethernet;
++		/delete-property/ intc;
++		pcie0 = &pcie_0;
++	};
++
++	/delete-node/ wifi-pwrseq;
++};
++
++&mmcnr {
++	pinctrl-names = "default";
++	pinctrl-0 = <&sdio_pins>;
++	bus-width = <4>;
++	status = "okay";
++};
++
++&uart0 {
++	pinctrl-0 = <&uart0_pins &bt_pins>;
++	status = "okay";
++
++	/delete-node/ bluetooth;
++};
++
++&uart1 {
++	pinctrl-0 = <&uart1_pins>;
++};
++
++&spi0 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
++	cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
++
++	spidev0: spidev@0{
++		compatible = "spidev";
++		reg = <0>;	/* CE0 */
++		#address-cells = <1>;
++		#size-cells = <0>;
++		spi-max-frequency = <125000000>;
++	};
++
++	spidev1: spidev@1{
++		compatible = "spidev";
++		reg = <1>;	/* CE1 */
++		#address-cells = <1>;
++		#size-cells = <0>;
++		spi-max-frequency = <125000000>;
++	};
++};
++
++&gpio {
++	spi0_pins: spi0_pins {
++		brcm,pins = <9 10 11>;
++		brcm,function = <BCM2835_FSEL_ALT0>;
++	};
++
++	spi0_cs_pins: spi0_cs_pins {
++		brcm,pins = <8 7>;
++		brcm,function = <BCM2835_FSEL_GPIO_OUT>;
++	};
++
++	spi3_pins: spi3_pins {
++		brcm,pins = <1 2 3>;
++		brcm,function = <BCM2835_FSEL_ALT3>;
++	};
++
++	spi3_cs_pins: spi3_cs_pins {
++		brcm,pins = <0 24>;
++		brcm,function = <BCM2835_FSEL_GPIO_OUT>;
++	};
++
++	spi4_pins: spi4_pins {
++		brcm,pins = <5 6 7>;
++		brcm,function = <BCM2835_FSEL_ALT3>;
++	};
++
++	spi4_cs_pins: spi4_cs_pins {
++		brcm,pins = <4 25>;
++		brcm,function = <BCM2835_FSEL_GPIO_OUT>;
++	};
++
++	spi5_pins: spi5_pins {
++		brcm,pins = <13 14 15>;
++		brcm,function = <BCM2835_FSEL_ALT3>;
++	};
++
++	spi5_cs_pins: spi5_cs_pins {
++		brcm,pins = <12 26>;
++		brcm,function = <BCM2835_FSEL_GPIO_OUT>;
++	};
++
++	spi6_pins: spi6_pins {
++		brcm,pins = <19 20 21>;
++		brcm,function = <BCM2835_FSEL_ALT3>;
++	};
++
++	spi6_cs_pins: spi6_cs_pins {
++		brcm,pins = <18 27>;
++		brcm,function = <BCM2835_FSEL_GPIO_OUT>;
++	};
++
++	i2c0_pins: i2c0 {
++		brcm,pins = <0 1>;
++		brcm,function = <BCM2835_FSEL_ALT0>;
++		brcm,pull = <BCM2835_PUD_UP>;
++	};
++
++	i2c1_pins: i2c1 {
++		brcm,pins = <2 3>;
++		brcm,function = <BCM2835_FSEL_ALT0>;
++		brcm,pull = <BCM2835_PUD_UP>;
++	};
++
++	i2c3_pins: i2c3 {
++		brcm,pins = <4 5>;
++		brcm,function = <BCM2835_FSEL_ALT5>;
++		brcm,pull = <BCM2835_PUD_UP>;
++	};
++
++	i2c4_pins: i2c4 {
++		brcm,pins = <8 9>;
++		brcm,function = <BCM2835_FSEL_ALT5>;
++		brcm,pull = <BCM2835_PUD_UP>;
++	};
++
++	i2c5_pins: i2c5 {
++		brcm,pins = <12 13>;
++		brcm,function = <BCM2835_FSEL_ALT5>;
++		brcm,pull = <BCM2835_PUD_UP>;
++	};
++
++	i2c6_pins: i2c6 {
++		brcm,pins = <22 23>;
++		brcm,function = <BCM2835_FSEL_ALT5>;
++		brcm,pull = <BCM2835_PUD_UP>;
++	};
++
++	i2s_pins: i2s {
++		brcm,pins = <18 19 20 21>;
++		brcm,function = <BCM2835_FSEL_ALT0>;
++	};
++
++	sdio_pins: sdio_pins {
++		brcm,pins =     <34 35 36 37 38 39>;
++		brcm,function = <BCM2835_FSEL_ALT3>; // alt3 = SD1
++		brcm,pull =     <0 2 2 2 2 2>;
++	};
++
++	bt_pins: bt_pins {
++		brcm,pins = "-"; // non-empty to keep btuart happy, //4 = 0
++				 // to fool pinctrl
++		brcm,function = <0>;
++		brcm,pull = <2>;
++	};
++
++	uart0_pins: uart0_pins {
++		brcm,pins = <32 33>;
++		brcm,function = <BCM2835_FSEL_ALT3>;
++		brcm,pull = <0 2>;
++	};
++
++	uart1_pins: uart1_pins {
++		brcm,pins;
++		brcm,function;
++		brcm,pull;
++	};
++
++	uart2_pins: uart2_pins {
++		brcm,pins = <0 1>;
++		brcm,function = <BCM2835_FSEL_ALT4>;
++		brcm,pull = <0 2>;
++	};
++
++	uart3_pins: uart3_pins {
++		brcm,pins = <4 5>;
++		brcm,function = <BCM2835_FSEL_ALT4>;
++		brcm,pull = <0 2>;
++	};
++
++	uart4_pins: uart4_pins {
++		brcm,pins = <8 9>;
++		brcm,function = <BCM2835_FSEL_ALT4>;
++		brcm,pull = <0 2>;
++	};
++
++	uart5_pins: uart5_pins {
++		brcm,pins = <12 13>;
++		brcm,function = <BCM2835_FSEL_ALT4>;
++		brcm,pull = <0 2>;
++	};
++};
++
++&i2c0 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&i2c0_pins>;
++	clock-frequency = <100000>;
++};
++
++&i2c1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&i2c1_pins>;
++	clock-frequency = <100000>;
++};
++
++&i2s {
++	pinctrl-names = "default";
++	pinctrl-0 = <&i2s_pins>;
++};
++
++/ {
++	__overrides__ {
++		/delete-property/ i2c2_baudrate;
++		/delete-property/ i2c2_iknowwhatimdoing;
++	};
++};
++
++// =============================================
++// Board specific stuff here
++
++/ {
++	sd_vcc_reg: sd_vcc_reg {
++		compatible = "regulator-fixed";
++		regulator-name = "vcc-sd";
++		regulator-min-microvolt = <3300000>;
++		regulator-max-microvolt = <3300000>;
++		regulator-boot-on;
++		enable-active-high;
++		gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
++	};
++};
++
++&sdhost {
++	status = "disabled";
++};
++
++&emmc2 {
++	vmmc-supply = <&sd_vcc_reg>;
++};
++
++&phy1 {
++	led-modes = <0x00 0x08>; /* link/activity link */
++};
++
++&gpio {
++	audio_pins: audio_pins {
++		brcm,pins = <40 41>;
++		brcm,function = <4>;
++	};
++};
++
++&leds {
++	act_led: act {
++		label = "led0";
++		linux,default-trigger = "mmc0";
++		gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
++	};
++
++	pwr_led: pwr {
++		label = "led1";
++		linux,default-trigger = "default-on";
++		gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
++	};
++};
++
++&pwm1 {
++	status = "disabled";
++};
++
++&audio {
++	pinctrl-names = "default";
++	pinctrl-0 = <&audio_pins>;
++};
++
++/ {
++	__overrides__ {
++		act_led_gpio = <&act_led>,"gpios:4";
++		act_led_activelow = <&act_led>,"gpios:8";
++		act_led_trigger = <&act_led>,"linux,default-trigger";
++
++		pwr_led_gpio = <&pwr_led>,"gpios:4";
++		pwr_led_activelow = <&pwr_led>,"gpios:8";
++		pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
++
++		eth_led0 = <&phy1>,"led-modes:0";
++		eth_led1 = <&phy1>,"led-modes:4";
++
++	};
++};
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi
+@@ -0,0 +1,222 @@
++// SPDX-License-Identifier: GPL-2.0
++#include "bcm270x-rpi.dtsi"
++
++/ {
++	soc {
++		/delete-node/ v3d@7ec00000;
++		/delete-node/ mailbox@7e00b840;
++	};
++
++	__overrides__ {
++		arm_freq;
++		sd_poll_once = <&emmc2>, "non-removable?";
++	};
++
++	v3dbus {
++		compatible = "simple-bus";
++		#address-cells = <1>;
++		#size-cells = <2>;
++		ranges = <0x7c500000  0x0 0xfc500000  0x0 0x03300000>,
++			 <0x40000000  0x0 0xff800000  0x0 0x00800000>;
++		dma-ranges = <0x00000000  0x0 0x00000000  0x4 0x00000000>;
++
++		v3d: v3d@7ec04000 {
++			compatible = "brcm,2711-v3d";
++			reg =
++			    <0x7ec00000  0x0 0x4000>,
++			    <0x7ec04000  0x0 0x4000>;
++			reg-names = "hub", "core0";
++
++			power-domains = <&pm BCM2835_POWER_DOMAIN_GRAFX_V3D>;
++			resets = <&pm BCM2835_RESET_V3D>;
++			clocks = <&clocks BCM2835_CLOCK_V3D>;
++			interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
++			status = "disabled";
++		};
++	};
++
++	scb: scb {
++	     /* Add a label */
++	};
++};
++
++&soc {
++	thermal: thermal@7d5d2200 {
++		compatible = "brcm,avs-tmon-bcm2838";
++		reg = <0x7d5d2200 0x2c>;
++		interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
++		interrupt-names = "tmon";
++		clocks = <&clocks BCM2835_CLOCK_TSENS>;
++		#thermal-sensor-cells = <0>;
++		status = "okay";
++	};
++
++	vc4: gpu {
++		compatible = "brcm,bcm2835-vc4";
++		status = "disabled";
++	};
++};
++
++&scb {
++	ranges = <0x0 0x7c000000  0x0 0xfc000000  0x03800000>,
++		 <0x0 0x40000000  0x0 0xff800000  0x00800000>,
++		 <0x6 0x00000000  0x6 0x00000000  0x40000000>,
++		 <0x0 0x00000000  0x0 0x00000000  0xfc000000>;
++	dma-ranges = <0x0 0x00000000  0x0 0x00000000  0xfc000000>;
++
++	pcie_0: pcie@7d500000 {
++		reg = <0x0 0x7d500000 0x9310>,
++		      <0x0 0x7e00f300 0x20>;
++		msi-controller;
++		msi-parent = <&pcie_0>;
++		#address-cells = <3>;
++		#interrupt-cells = <1>;
++		#size-cells = <2>;
++		bus-range = <0x0 0x01>;
++		compatible = "brcm,bcm2711b0-pcie", // Safe value
++			     "brcm,bcm2711-pcie",
++			     "brcm,pci-plat-dev";
++		max-link-speed = <2>;
++		tot-num-pcie = <1>;
++		linux,pci-domain = <0>;
++		interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
++			     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
++		interrupt-names = "pcie", "msi";
++		interrupt-map-mask = <0x0 0x0 0x0 0x7>;
++		interrupt-map = <0 0 0 1 &gicv2 GIC_SPI 143
++					IRQ_TYPE_LEVEL_HIGH
++				 0 0 0 2 &gicv2 GIC_SPI 144
++					IRQ_TYPE_LEVEL_HIGH
++				 0 0 0 3 &gicv2 GIC_SPI 145
++					IRQ_TYPE_LEVEL_HIGH
++				 0 0 0 4 &gicv2 GIC_SPI 146
++					IRQ_TYPE_LEVEL_HIGH>;
++
++		/* Map outbound accesses from scb:0x6_00000000-03ffffff
++		 * to pci:0x0_f8000000-fbffffff
++		 */
++		ranges = <0x02000000 0x0 0xf8000000  0x6 0x00000000
++			  0x0 0x04000000>;
++		/* Map inbound accesses from pci:0x0_00000000..ffffffff
++		 * to scb:0x0_00000000-ffffffff
++		 */
++		dma-ranges = <0x02000000 0x0 0x00000000  0x0 0x00000000
++			      0x1 0x00000000>;
++		status = "okay";
++	};
++
++	dma40: dma@7e007b00 {
++		compatible = "brcm,bcm2838-dma";
++		reg = <0x0 0x7e007b00 0x400>;
++		interrupts =
++			<GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>, /* dma4 11 */
++			<GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>, /* dma4 12 */
++			<GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>, /* dma4 13 */
++			<GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; /* dma4 14 */
++		interrupt-names = "dma11",
++			"dma12",
++			"dma13",
++			"dma14";
++		#dma-cells = <1>;
++		brcm,dma-channel-mask = <0x7800>;
++	};
++
++	vchiq: mailbox@7e00b840 {
++		compatible = "brcm,bcm2838-vchiq";
++		reg = <0 0x7e00b840 0x3c>;
++		interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
++	};
++
++	xhci: xhci@7e9c0000 {
++		compatible = "generic-xhci";
++		status = "disabled";
++		reg = <0x0 0x7e9c0000 0x100000>;
++		interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
++	};
++
++	hevc-decoder@7eb00000 {
++		compatible = "raspberrypi,rpivid-hevc-decoder";
++		reg = <0x0 0x7eb00000 0x10000>;
++		status = "okay";
++	};
++
++	rpivid-local-intc@7eb10000 {
++		compatible = "raspberrypi,rpivid-local-intc";
++		reg = <0x0 0x7eb10000 0x1000>;
++		status = "okay";
++		interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
++	};
++
++	h264-decoder@7eb20000 {
++		compatible = "raspberrypi,rpivid-h264-decoder";
++		reg = <0x0 0x7eb20000 0x10000>;
++		status = "okay";
++	};
++
++	vp9-decoder@7eb30000 {
++		compatible = "raspberrypi,rpivid-vp9-decoder";
++		reg = <0x0 0x7eb30000 0x10000>;
++		status = "okay";
++	};
++};
++
++&dma {
++	/* The VPU firmware uses DMA channel 11 for VCHIQ */
++	brcm,dma-channel-mask = <0x1f5>;
++};
++
++&dma40 {
++	/* The VPU firmware DMA channel 11 for VCHIQ */
++	brcm,dma-channel-mask = <0x7000>;
++};
++
++&firmwarekms {
++	interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
++};
++
++&smi {
++	interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
++};
++
++&mmc {
++	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
++};
++
++&mmcnr {
++	interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
++};
++
++&csi0 {
++	interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
++};
++
++&csi1 {
++	interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
++};
++
++&random {
++	compatible = "brcm,bcm2711-rng200", "brcm,bcm2838-rng200";
++	status = "okay";
++};
++
++&usb {
++	/* Enable the FIQ support */
++	reg = <0x7e980000 0x10000>,
++	      <0x7e00b200 0x200>;
++	interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
++		     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
++	status = "disabled";
++};
++
++&gpio {
++	interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
++		     <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
++};
++
++&cpu_thermal {
++	 thermal-sensors = <&thermal>;
++};
++
++&genet {
++	compatible = "brcm,bcm2711-genet-v5", "brcm,genet-v5";
++};