brcm2708: update linux 4.4 patches to latest version

As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

- led1 can't be controlled on rpi-3 for linux 4.4, remove it.
- Fix modules.mk typos.

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

1 files changed, 291 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0576-Add-overlay-for-mcp3008-adc-1818.patch b/target/linux/brcm2708/patches-4.4/0576-Add-overlay-for-mcp3008-adc-1818.patch
new file mode 100644
index 0000000000..ba30583a00
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0576-Add-overlay-for-mcp3008-adc-1818.patch
@@ -0,0 +1,291 @@
+From f6a9afad8ed6521991c138caf7f20fd5222c2a5a Mon Sep 17 00:00:00 2001
+From: Scott Ellis <scott@jumpnowtek.com>
+Date: Fri, 27 Jan 2017 06:42:42 -0500
+Subject: [PATCH] Add overlay for mcp3008 adc (#1818)
+
+Some example usage:
+
+SPI0.0
+dtparam=spi=on
+dtoverlay=mcp3008:spi0-0-present
+
+SPI0.1
+dtparam=spi=on
+dtoverlay=mcp3008:spi0-1-present
+
+SPI0.0 and SPI0.1
+dtparam=spi=on
+dtoverlay=mcp3008:spi0-0-present,spi0-1-present
+
+SPI1.0
+dtparam=spi=on
+dtoverlay=spi1-1cs
+dtoverlay=mcp3008:spi1-0-present
+
+SPI1.2
+dtparam=spi=on
+dtoverlay=spi1-1cs:cs0_pin=16
+dtoverlay=mcp3008:spi1-0-present
+
+SPI1.0 and SPI1.1
+dtoverlay=spi1-2cs
+dtoverlay=mcp3008:spi1-0-present,spi1-1-present
+
+Changing the speed
+
+SPI0.0
+dtparam=spi=on
+dtoverlay=mcp3008:spi0-0-present,spi0-0-speed=2000000
+---
+ arch/arm/boot/dts/overlays/Makefile            |   1 +
+ arch/arm/boot/dts/overlays/README              |   9 ++
+ arch/arm/boot/dts/overlays/mcp3008-overlay.dts | 205 +++++++++++++++++++++++++
+ 3 files changed, 215 insertions(+)
+ create mode 100755 arch/arm/boot/dts/overlays/mcp3008-overlay.dts
+
+diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
+index 72f2d90a..b13e340 100644
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -57,6 +57,7 @@ dtbo-$(RPI_DT_OVERLAYS) += mcp23017.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += mcp23s17.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can0.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can1.dtbo
++dtbo-$(RPI_DT_OVERLAYS) += mcp3008.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += mmc.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += mz61581.dtbo
+ dtbo-$(RPI_DT_OVERLAYS) += pi3-act-led.dtbo
+diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
+index 7f4bd29..72601f8 100644
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -736,6 +736,15 @@ Params: oscillator              Clock frequency for the CAN controller (Hz)
+         interrupt               GPIO for interrupt signal
+ 
+ 
++Name:   mcp3008
++Info:   Configures MCP3008 A/D converters
++        For devices on spi1 or spi2, the interfaces should be enabled
++        with one of the spi1-1/2/3cs and/or spi2-1/2/3cs overlays.
++Load:   dtoverlay=mcp3008,<param>[=<val>]
++Params: spi<n>-<m>-present      boolean, configure device at spi<n>, cs<m>
++        spi<n>-<m>-speed        integer, set the spi bus speed for this device
++
++
+ Name:   mmc
+ Info:   Selects the bcm2835-mmc SD/MMC driver, optionally with overclock
+ Load:   dtoverlay=mmc,<param>=<val>
+diff --git a/arch/arm/boot/dts/overlays/mcp3008-overlay.dts b/arch/arm/boot/dts/overlays/mcp3008-overlay.dts
+new file mode 100755
+index 0000000..06bf426
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/mcp3008-overlay.dts
+@@ -0,0 +1,205 @@
++/*
++ * Device tree overlay for Microchip mcp3008 10-Bit A/D Converters
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++	compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++	fragment@0 {
++		target = <&spidev0>;
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@1 {
++		target = <&spidev1>;
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@2 {
++		target-path = "spi1/spidev@0";
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@3 {
++		target-path = "spi1/spidev@1";
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@4 {
++		target-path = "spi1/spidev@2";
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@5 {
++		target-path = "spi2/spidev@0";
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@6 {
++		target-path = "spi2/spidev@1";
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@7 {
++		target-path = "spi2/spidev@2";
++		__dormant__ {
++			status = "disabled";
++		};
++	};
++
++	fragment@8 {
++		target = <&spi0>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_00: mcp3008@0 {
++				compatible = "mcp3008";
++				reg = <0>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	fragment@9 {
++		target = <&spi0>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_01: mcp3008@1 {
++				compatible = "mcp3008";
++				reg = <1>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	fragment@10 {
++		target = <&spi1>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_10: mcp3008@0 {
++				compatible = "mcp3008";
++				reg = <0>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	fragment@11 {
++		target = <&spi1>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_11: mcp3008@1 {
++				compatible = "mcp3008";
++				reg = <1>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	fragment@12 {
++		target = <&spi1>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_12: mcp3008@2 {
++				compatible = "mcp3008";
++				reg = <2>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	fragment@13 {
++		target = <&spi2>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_20: mcp3008@0 {
++				compatible = "mcp3008";
++				reg = <0>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	fragment@14 {
++		target = <&spi2>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_21: mcp3008@1 {
++				compatible = "mcp3008";
++				reg = <1>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	fragment@15 {
++		target = <&spi2>;
++		__dormant__ {
++			status = "okay";
++			#address-cells = <1>;
++			#size-cells = <0>;
++
++			mcp3008_22: mcp3008@2 {
++				compatible = "mcp3008";
++				reg = <2>;
++				spi-max-frequency = <1600000>;
++			};
++		};
++	};
++
++	__overrides__ {
++		spi0-0-present = <0>, "+0+8";
++		spi0-1-present = <0>, "+1+9";
++		spi1-0-present = <0>, "+2+10";
++		spi1-1-present = <0>, "+3+11";
++		spi1-2-present = <0>, "+4+12";
++		spi2-0-present = <0>, "+5+13";
++		spi2-1-present = <0>, "+6+14";
++		spi2-2-present = <0>, "+7+15";
++		spi0-0-speed = <&mcp3008_00>, "spi-max-frequency:0";
++		spi0-1-speed = <&mcp3008_01>, "spi-max-frequency:0";
++		spi1-0-speed = <&mcp3008_10>, "spi-max-frequency:0";
++		spi1-1-speed = <&mcp3008_11>, "spi-max-frequency:0";
++		spi1-2-speed = <&mcp3008_12>, "spi-max-frequency:0";
++		spi2-0-speed = <&mcp3008_20>, "spi-max-frequency:0";
++		spi2-1-speed = <&mcp3008_21>, "spi-max-frequency:0";
++		spi2-2-speed = <&mcp3008_22>, "spi-max-frequency:0";
++	};
++};
+-- 
+2.1.4
+