kernel/bcm283x-upstream-fixes.patch

From b76b1cdf2e569cceab41dcf3b3f6a90965d0a02c Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 4 Mar 2016 10:39:29 -0800
Subject: [PATCH 28/36] ARM: bcm2835: 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).  Since the GPIO expander isn't supported, we
also don't have the LEDs like the other board files do.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
---
 arch/arm/boot/dts/Makefile            |  3 +-
 arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 22 ++++++++++++
 arch/arm/boot/dts/bcm2837.dtsi        | 68 +++++++++++++++++++++++++++++++++++
 3 files changed, 92 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 d000814..a8a0767 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -64,7 +64,8 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
 	bcm2835-rpi-b-rev2.dtb \
 	bcm2835-rpi-b-plus.dtb \
 	bcm2835-rpi-a-plus.dtb \
-	bcm2836-rpi-2-b.dtb
+	bcm2836-rpi-2-b.dtb \
+	bcm2837-rpi-3-b.dtb
 dtb-$(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..5e8eafd
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -0,0 +1,22 @@
+/dts-v1/;
+#include "bcm2837.dtsi"
+#include "bcm2835-rpi.dtsi"
+
+/ {
+	compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
+	model = "Raspberry Pi 3 Model B";
+
+	memory {
+		reg = <0 0x40000000>;
+	};
+};
+
+&gpio {
+	pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
+
+	/* I2S interface */
+	i2s_alt0: i2s_alt0 {
+		brcm,pins = <28 29 30 31>;
+		brcm,function = <BCM2835_FSEL_ALT2>;
+	};
+};
diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
new file mode 100644
index 0000000..2f36722
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2837.dtsi
@@ -0,0 +1,68 @@
+#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>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <1>;
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <2>;
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <3>;
+		};
+	};
+};
+
+/* 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>;
+};
-- 
2.7.3

From 528285e99c25249456023d28f521689bf9e9eb8b Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Wed, 30 Mar 2016 09:35:13 +0100
Subject: [PATCH 32/36] drop usb power domain support for the moment, kills usb

---
 arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index caf2707..b1e8145 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -71,10 +71,6 @@
 	status = "okay";
 };
 
-&usb {
-	power-domains = <&power RPI_POWER_DOMAIN_USB>;
-};
-
 &v3d {
 	power-domains = <&power RPI_POWER_DOMAIN_V3D>;
 };
-- 
2.7.3