kernel/bcm2837-initial-support.patch

From cdb86691df26e0962f081981f4bfa97ee43bd391 Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Mon, 29 Aug 2016 09:14:15 +0100
Subject: [PATCH] ARM: bcm283x: Add devicetree for the Raspberry Pi 3.

For now this doesn't support the new hardware present on the Pi 3 (BT,
wifi, GPIO expander).

Rebased to the patch that went upstream for ARM64

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
---
 arch/arm/boot/dts/Makefile            |  3 +-
 arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 30 ++++++++++++++
 arch/arm/boot/dts/bcm2837.dtsi        | 76 +++++++++++++++++++++++++++++++++++
 3 files changed, 108 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-b.dts
 create mode 100644 arch/arm/boot/dts/bcm2837.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index befcd26..c96fb38 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -70,7 +70,8 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
 	bcm2835-rpi-b-plus.dtb \
 	bcm2835-rpi-a-plus.dtb \
 	bcm2836-rpi-2-b.dtb \
-	bcm2835-rpi-zero.dtb
+	bcm2835-rpi-zero.dtb \
+	bcm2837-rpi-3-b.dtb
 dtb-$(CONFIG_ARCH_BCM_5301X) += \
 	bcm4708-asus-rt-ac56u.dtb \
 	bcm4708-asus-rt-ac68u.dtb \
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
new file mode 100644
index 0000000..7841b72
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -0,0 +1,30 @@
+/dts-v1/;
+#include "bcm2837.dtsi"
+#include "bcm2835-rpi.dtsi"
+#include "bcm283x-rpi-smsc9514.dtsi"
+
+/ {
+	compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
+	model = "Raspberry Pi 3 Model B";
+
+	memory {
+		reg = <0 0x40000000>;
+	};
+
+	leds {
+		act {
+			gpios = <&gpio 47 0>;
+		};
+
+		pwr {
+			label = "PWR";
+			gpios = <&gpio 35 0>;
+			default-state = "keep";
+			linux,default-trigger = "default-on";
+		};
+	};
+};
+
+&uart1 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
new file mode 100644
index 0000000..8216bbb
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2837.dtsi
@@ -0,0 +1,76 @@
+#include "bcm283x.dtsi"
+
+/ {
+	compatible = "brcm,bcm2836";
+
+	soc {
+		ranges = <0x7e000000 0x3f000000 0x1000000>,
+			 <0x40000000 0x40000000 0x00001000>;
+		dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
+
+		local_intc: local_intc {
+			compatible = "brcm,bcm2836-l1-intc";
+			reg = <0x40000000 0x100>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&local_intc>;
+		};
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupt-parent = <&local_intc>;
+		interrupts = <0>, // PHYS_SECURE_PPI
+			     <1>, // PHYS_NONSECURE_PPI
+			     <3>, // VIRT_PPI
+			     <2>; // HYP_PPI
+		always-on;
+	};
+
+	cpus: cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0>;
+			enable-method = "spin-table";
+			cpu-release-addr = <0x0 0x000000d8>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <1>;
+			enable-method = "spin-table";
+			cpu-release-addr = <0x0 0x000000e0>;
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <2>;
+			enable-method = "spin-table";
+			cpu-release-addr = <0x0 0x000000e8>;
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <3>;
+			enable-method = "spin-table";
+			cpu-release-addr = <0x0 0x000000f0>;
+		};
+	};
+};
+
+/* Make the BCM2835-style global interrupt controller be a child of the
+ * CPU-local interrupt controller.
+ */
+&intc {
+	compatible = "brcm,bcm2836-armctrl-ic";
+	reg = <0x7e00b200 0x200>;
+	interrupt-parent = <&local_intc>;
+	interrupts = <8>;
+};
-- 
2.7.4

From 345863374ebec9aa11ea97b99f5adbf97f99bbdf Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Mon, 16 Jan 2017 06:38:08 +0000
Subject: [PATCH] add upstream RPi3 fixes from arm64 DT

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
---
 arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 8 +-------
 arch/arm/boot/dts/bcm2837.dtsi        | 8 +++++++-
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
index 7841b72..c309633 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -2,6 +2,7 @@
 #include "bcm2837.dtsi"
 #include "bcm2835-rpi.dtsi"
 #include "bcm283x-rpi-smsc9514.dtsi"
+#include "bcm283x-rpi-usb-host.dtsi"
 
 / {
 	compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
@@ -15,13 +16,6 @@
 		act {
 			gpios = <&gpio 47 0>;
 		};
-
-		pwr {
-			label = "PWR";
-			gpios = <&gpio 35 0>;
-			default-state = "keep";
-			linux,default-trigger = "default-on";
-		};
 	};
 };
 
diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
index 8216bbb..19f2fe6 100644
--- a/arch/arm/boot/dts/bcm2837.dtsi
+++ b/arch/arm/boot/dts/bcm2837.dtsi
@@ -1,7 +1,7 @@
 #include "bcm283x.dtsi"
 
 / {
-	compatible = "brcm,bcm2836";
+	compatible = "brcm,bcm2837";
 
 	soc {
 		ranges = <0x7e000000 0x3f000000 0x1000000>,
@@ -74,3 +74,9 @@
 	interrupt-parent = <&local_intc>;
 	interrupts = <8>;
 };
+
+/* enable thermal sensor with the correct compatible property set */
+&thermal {
+	compatible = "brcm,bcm2837-thermal";
+	status = "okay";
+};
-- 
2.9.3