brcm2708: add kernel 4.14 support

Patch generation process:
- rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable
- git format-patch v4.14.89

Patches skipped during rebase:
- lan78xx: Read MAC address from DT if present
- lan78xx: Enable LEDs and auto-negotiation
- Revert "softirq: Let ksoftirqd do its job"
- sc16is7xx: Fix for multi-channel stall
- lan78xx: Ignore DT MAC address if already valid
- lan78xx: Simple patch to prevent some crashes
- tcp_write_queue_purge clears all the SKBs in the write queue
- Revert "lan78xx: Simple patch to prevent some crashes"
- lan78xx: Connect phy early
- Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro
- Revert "Revert "softirq: Let ksoftirqd do its job""
- ASoC: cs4265: SOC_SINGLE register value error fix
- Revert "ASoC: cs4265: SOC_SINGLE register value error fix"
- Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"
- Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends""

Patches dropped after rebase:
- net: Add non-mainline source for rtl8192cu wlan
- net: Fix rtl8192cu build errors on other platforms
- brcm: adds support for BCM43341 wifi
- brcmfmac: Mute expected startup 'errors'
- ARM64: Fix build break for RTL8187/RTL8192CU wifi
- ARM64: Enable RTL8187/RTL8192CU wifi in build config
- This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator
- brcmfmac: add CLM download support
- brcmfmac: request_firmware_direct is quieter
- Sets the BCDC priority to constant 0
- brcmfmac: Disable ARP offloading when promiscuous
- brcmfmac: Avoid possible out-of-bounds read
- brcmfmac: Delete redundant length check
- net: rtl8192cu: Normalize indentation
- net: rtl8192cu: Fix implicit fallthrough warnings
- Revert "Sets the BCDC priority to constant 0"
- media: cxd2880: Bump to match 4.18.y version
- media: cxd2880-spi: Bump to match 4.18.y version
- Revert "mm: alloc_contig: re-allow CMA to compact FS pages"
- Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages""
- cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with
  MEDIA_SUBDRV_AUTOSELECT
- 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch
- 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch

Make I2C built-in instead of modular as in upstream defconfig; also the
easiest way to get MFD_ARIZONA enabled, which is required by
kmod-sound-soc-rpi-cirrus.
Add missing compatible strings from
4.9/960-add-rasbperrypi-compatible.patch, using upstream names for
compute modules.
Add extra patch to enable the LEDs on lan78xx.

Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y)
Runtime-tested: bcm2708, bcm2710

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

1 files changed, 100 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.14/950-0218-Generic-Rotary-Encoder-overlay-for-multiple-instance.patch b/target/linux/brcm2708/patches-4.14/950-0218-Generic-Rotary-Encoder-overlay-for-multiple-instance.patch
new file mode 100644
index 0000000000..b85d545033
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0218-Generic-Rotary-Encoder-overlay-for-multiple-instance.patch
@@ -0,0 +1,100 @@
+From d61d506099a7e3dc2823927c89ac56478ef9f3a5 Mon Sep 17 00:00:00 2001
+From: Ismael Asensio <isma.af@gmail.com>
+Date: Sun, 18 Feb 2018 18:53:58 +0100
+Subject: [PATCH 218/454] Generic Rotary Encoder overlay for multiple instances
+ (#2388)
+
+Modify the rotary-encoder overlay to support multiple instances.
+---
+ arch/arm/boot/dts/overlays/README             |  4 +-
+ .../dts/overlays/rotary-encoder-overlay.dts   | 54 +++++++++++--------
+ 2 files changed, 33 insertions(+), 25 deletions(-)
+
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -1345,9 +1345,9 @@ Params: <None>
+ Name:   rotary-encoder
+ Info:   Overlay for GPIO connected rotary encoder.
+ Load:   dtoverlay=rotary-encoder,<param>=<val>
+-Params: rotary0_pin_a           GPIO connected to rotary encoder channel A
++Params: pin_a                   GPIO connected to rotary encoder channel A
+                                 (default 4).
+-        rotary0_pin_b           GPIO connected to rotary encoder channel B
++        pin_b                   GPIO connected to rotary encoder channel B
+                                 (default 17).
+         relative_axis           register a relative axis rather than an
+                                 absolute one. Relative axis will only
+--- a/arch/arm/boot/dts/overlays/rotary-encoder-overlay.dts
++++ b/arch/arm/boot/dts/overlays/rotary-encoder-overlay.dts
+@@ -8,7 +8,7 @@
+ 	fragment@0 {
+ 		target = <&gpio>;
+ 		__overlay__ {
+-			rotary0_pins: rotary0_pins {
++			rotary_pins: rotary_pins@4 {
+ 				brcm,pins = <4 17>; /* gpio 4 17 */
+ 				brcm,function = <0 0>; /* input */
+ 				brcm,pull = <2 2>; /* pull-up */
+@@ -20,32 +20,40 @@
+ 	fragment@1 {
+ 		target-path = "/";
+ 		__overlay__ {
+-			rotary0: rotary@0 {
+-					compatible = "rotary-encoder";
+-					status = "okay";
+-					pinctrl-names = "default";
+-					pinctrl-0 = <&rotary0_pins>;
+-					gpios = <&gpio 4 0>, <&gpio 17 0>;
+-					linux,axis = <0>; /* REL_X */
+-					rotary-encoder,encoding = "gray";
+-					rotary-encoder,steps = <24>; /* 24 default */
+-					rotary-encoder,steps-per-period = <1>; /* corresponds to full period mode. See README */
++			rotary: rotary@4 {
++				compatible = "rotary-encoder";
++				status = "okay";
++				pinctrl-names = "default";
++				pinctrl-0 = <&rotary_pins>;
++				gpios = <&gpio 4 0>, <&gpio 17 0>;
++				linux,axis = <0>; /* REL_X */
++				rotary-encoder,encoding = "gray";
++				rotary-encoder,steps = <24>; /* 24 default */
++				rotary-encoder,steps-per-period = <1>; /* corresponds to full period mode. See README */
+ 			};
+ 		};
+ 
+ 	};  
+ 
+ 	__overrides__ {
+-		rotary0_pin_a =     <&rotary0>,"gpios:4",
+-		                    <&rotary0_pins>,"brcm,pins:0";
+-		rotary0_pin_b =     <&rotary0>,"gpios:16",
+-		                    <&rotary0_pins>,"brcm,pins:4";
+-		relative_axis =     <&rotary0>,"rotary-encoder,relative-axis?";
+-		linux_axis =        <&rotary0>,"linux,axis:0";
+-		rollover =          <&rotary0>,"rotary-encoder,rollover?";
+-		steps-per-period =  <&rotary0>,"rotary-encoder,steps-per-period:0";
+-		steps =             <&rotary0>,"rotary-encoder,steps:0";
+-		wakeup =            <&rotary0>,"wakeup-source?";
+-		encoding =          <&rotary0>,"rotary-encoder,encoding";
+-	};  
++		pin_a =		    <&rotary>,"gpios:4",
++				    <&rotary_pins>,"brcm,pins:0",
++				    /* modify reg values to allow multiple instantiation */
++				    <&rotary>,"reg:0",
++				    <&rotary_pins>,"reg:0";
++		pin_b =		    <&rotary>,"gpios:16",
++				    <&rotary_pins>,"brcm,pins:4";
++		relative_axis =     <&rotary>,"rotary-encoder,relative-axis?";
++		linux_axis =        <&rotary>,"linux,axis:0";
++		rollover =          <&rotary>,"rotary-encoder,rollover?";
++		steps-per-period =  <&rotary>,"rotary-encoder,steps-per-period:0";
++		steps =             <&rotary>,"rotary-encoder,steps:0";
++		wakeup =            <&rotary>,"wakeup-source?";
++		encoding =          <&rotary>,"rotary-encoder,encoding";
++                /* legacy parameters*/
++		rotary0_pin_a =     <&rotary>,"gpios:4",
++		                    <&rotary_pins>,"brcm,pins:0";
++		rotary0_pin_b =     <&rotary>,"gpios:16",
++		                    <&rotary_pins>,"brcm,pins:4";
++	};
+ };