board: bcm96846: Switch to using OF_UPSTREAM

This board clearly develops first in Linux which had more
hardware listed, so let's start to use OF_UPSTREAM.
This makes the NAND driver work.

Suggested-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/dts/bcm6846.dtsi b/arch/arm/dts/bcm6846.dtsi
deleted file mode 100644
index 8aa47a2..0000000
--- a/arch/arm/dts/bcm6846.dtsi
+++ /dev/null
@@ -1,103 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-/*
- * Copyright 2022 Broadcom Ltd.
- */
-
-#include <dt-bindings/interrupt-controller/arm-gic.h>
-#include <dt-bindings/interrupt-controller/irq.h>
-
-/ {
-	compatible = "brcm,bcm6846", "brcm,bcmbca";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	interrupt-parent = <&gic>;
-
-	cpus {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		CA7_0: cpu@0 {
-			device_type = "cpu";
-			compatible = "arm,cortex-a7";
-			reg = <0x0>;
-			next-level-cache = <&L2_0>;
-			enable-method = "psci";
-		};
-
-		CA7_1: cpu@1 {
-			device_type = "cpu";
-			compatible = "arm,cortex-a7";
-			reg = <0x1>;
-			next-level-cache = <&L2_0>;
-			enable-method = "psci";
-		};
-
-		L2_0: l2-cache0 {
-			compatible = "cache";
-		};
-	};
-
-	timer {
-		compatible = "arm,armv7-timer";
-		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
-			<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
-			<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
-			<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
-		arm,cpu-registers-not-fw-configured;
-	};
-
-	pmu: pmu {
-		compatible = "arm,cortex-a7-pmu";
-		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
-			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-affinity = <&CA7_0>, <&CA7_1>;
-	};
-
-	clocks: clocks {
-		periph_clk: periph-clk {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <200000000>;
-		};
-	};
-
-	psci {
-		compatible = "arm,psci-0.2";
-		method = "smc";
-	};
-
-	axi@81000000 {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0 0x81000000 0x8000>;
-
-		gic: interrupt-controller@1000 {
-			compatible = "arm,cortex-a7-gic";
-			#interrupt-cells = <3>;
-			interrupt-controller;
-			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
-			reg = <0x1000 0x1000>,
-				<0x2000 0x2000>,
-				<0x4000 0x2000>,
-				<0x6000 0x2000>;
-		};
-	};
-
-	bus@ff800000 {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges = <0 0xff800000 0x800000>;
-
-		uart0: serial@640 {
-			compatible = "brcm,bcm6345-uart";
-			reg = <0x640 0x1b>;
-			interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&periph_clk>;
-			clock-names = "refclk";
-			status = "disabled";
-		};
-	};
-};
diff --git a/arch/arm/dts/bcm96846.dts b/arch/arm/dts/bcm96846.dts
deleted file mode 100644
index c70ebcc..0000000
--- a/arch/arm/dts/bcm96846.dts
+++ /dev/null
@@ -1,30 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-/*
- * Copyright 2022 Broadcom Ltd.
- */
-
-/dts-v1/;
-
-#include "bcm6846.dtsi"
-
-/ {
-	model = "Broadcom BCM96846 Reference Board";
-	compatible = "brcm,bcm96846", "brcm,bcm6846", "brcm,bcmbca";
-
-	aliases {
-		serial0 = &uart0;
-	};
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-
-	memory@0 {
-		device_type = "memory";
-		reg = <0x0 0x08000000>;
-	};
-};
-
-&uart0 {
-	status = "okay";
-};
diff --git a/arch/arm/mach-bcmbca/bcm6846/Kconfig b/arch/arm/mach-bcmbca/bcm6846/Kconfig
index 5ef9535..1f5639f 100644
--- a/arch/arm/mach-bcmbca/bcm6846/Kconfig
+++ b/arch/arm/mach-bcmbca/bcm6846/Kconfig
@@ -8,6 +8,7 @@
 config TARGET_BCM96846
 	bool "Broadcom 6846 Reference Board"
 	depends on ARCH_BCMBCA
+	imply OF_UPSTREAM
 	imply MTD_RAW_NAND
 	imply NAND_BRCMNAND
 	imply NAND_BRCMNAND_BCMBCA
diff --git a/configs/bcm96846_defconfig b/configs/bcm96846_defconfig
index 2f94bd2..877a606 100644
--- a/configs/bcm96846_defconfig
+++ b/configs/bcm96846_defconfig
@@ -9,11 +9,12 @@
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x2000000
-CONFIG_DEFAULT_DEVICE_TREE="bcm96846"
+CONFIG_DEFAULT_DEVICE_TREE="broadcom/bcm96846"
 CONFIG_SYS_BOOTM_LEN=0x4000000
 CONFIG_SYS_LOAD_ADDR=0x01000000
 CONFIG_IDENT_STRING=" Broadcom BCM6846"
 CONFIG_ENV_VARS_UBOOT_CONFIG=y
+CONFIG_OF_UPSTREAM=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_HUSH_PARSER=y