Allwinner: H2+: add support for H2+ boards

projects/Allwinner/devices/H2-plus/options

@@ -0,0 +1,50 @@
+################################################################################
+# setup system defaults
+################################################################################
+
+  # The TARGET_CPU variable controls which processor should be targeted for
+  # generated code.
+    case $TARGET_ARCH in
+      arm)
+        # TARGET_CPU:
+        # arm2 arm250 arm3 arm6 arm60 arm600 arm610 arm620 arm7 arm7m arm7d
+        # arm7dm arm7di arm7dmi arm70 arm700 arm700i arm710 arm710c
+        # arm7100 arm720 arm7500 arm7500fe arm7tdmi arm7tdmi-s arm710t
+        # arm720t arm740t strongarm strongarm110 strongarm1100
+        # strongarm1110 arm8 arm810 arm9 arm9e arm920 arm920t arm922t
+        # arm946e-s arm966e-s arm968e-s arm926ej-s arm940t arm9tdmi
+        # arm10tdmi arm1020t arm1026ej-s arm10e arm1020e arm1022e
+        # arm1136j-s arm1136jf-s mpcore mpcorenovfp arm1156t2-s
+        # arm1176jz-s arm1176jzf-s cortex-a8 cortex-a9 cortex-r4
+        # cortex-r4f cortex-m3 cortex-m1 xscale iwmmxt iwmmxt2 ep9312.
+        TARGET_CPU="cortex-a7"
+
+        # TARGET_FLOAT:
+        # Specifies which floating-point ABI to use. Permissible values are:
+        # soft hard
+        TARGET_FLOAT="hard"
+
+        # TARGET_FPU:
+        # This specifies what floating point hardware (or hardware emulation) is
+        # available on the target. Permissible names are:
+        # fpa fpe2 fpe3 maverick vfp vfpv3 vfpv3-fp16 vfpv3-d16 vfpv3-d16-fp16
+        # vfpv3xd vfpv3xd-fp16 neon neon-fp16 vfpv4 vfpv4-d16 fpv4-sp-d16
+        # neon-vfpv4.
+        TARGET_FPU="neon-vfpv4"
+        ;;
+    esac
+
+  # Kernel target
+    KERNEL_TARGET="zImage"
+
+  # OpenGL-ES implementation to use (no / bcm2835-driver / gpu-viv-bin-mx6q)
+    OPENGLES="mesa"
+
+  # Mali GPU family
+    MALI_FAMILY="400"
+
+  # KODI Player implementation to use (default / bcm2835-driver / libfslvpuwrap)
+    KODIPLAYER_DRIVER="$OPENGLES"
+
+  # set the addon project
+    ADDON_PROJECT="ARMv7"

projects/Allwinner/devices/H2-plus/patches/linux/16-H3-add-HDMI-sound-nodes.patch

@@ -0,0 +1,56 @@
+diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+index 8aa2befc..d3d70eac 100644
+--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
++++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+@@ -53,6 +53,23 @@
+ 	#address-cells = <1>;
+ 	#size-cells = <1>;
+ 
++	sound_hdmi: sound {
++		compatible = "simple-audio-card";
++		simple-audio-card,format = "i2s";
++		simple-audio-card,name = "allwinner-hdmi";
++		simple-audio-card,mclk-fs = <128>;
++
++		simple-audio-card,codec {
++			sound-dai = <&hdmi>;
++		};
++
++		simple-audio-card,cpu {
++			sound-dai = <&i2s2>;
++			dai-tdm-slot-num = <2>;
++			dai-tdm-slot-width = <32>;
++		};
++	};
++
+ 	clocks {
+ 		#address-cells = <1>;
+ 		#size-cells = <1>;
+@@ -631,6 +648,19 @@
+ 			status = "disabled";
+ 		};
+ 
++		i2s2: i2s@1c22800 {
++			#sound-dai-cells = <0>;
++			compatible = "allwinner,sun8i-h3-i2s";
++			reg = <0x01c22800 0x400>;
++			interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
++			clocks = <&ccu CLK_BUS_I2S2>, <&ccu CLK_I2S2>;
++			clock-names = "apb", "mod";
++			dmas = <&dma 27>;
++			resets = <&ccu RST_BUS_I2S2>;
++			dma-names = "tx";
++			allwinner,playback-channels = <8>;
++		};
++
+ 		codec: codec@1c22c00 {
+ 			#sound-dai-cells = <0>;
+ 			compatible = "allwinner,sun8i-h3-codec";
+@@ -110,6 +126,7 @@
+ 		};
+ 
+ 		hdmi: hdmi@1ee0000 {
++			#sound-dai-cells = <0>;
+ 			compatible = "allwinner,sun8i-h3-dw-hdmi",
+ 				     "allwinner,sun8i-a83t-dw-hdmi";
+ 			reg = <0x01ee0000 0x10000>;

projects/Allwinner/devices/H2-plus/patches/linux/17-Add-frame-inversion-to-correct-multi-channel-audio.patch

@@ -0,0 +1,24 @@
+From 51dcda7a261bcadca0a8f5e6fe6241ec266438d0 Mon Sep 17 00:00:00 2001
+From: Marcus Cooper <codekipper@gmail.com>
+Date: Thu, 2 Jan 2020 19:03:35 +0100
+Subject: [PATCH] Add frame inversion to correct multi-channel audio
+
+---
+ arch/arm/boot/dts/sunxi-h3-h5.dtsi | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+index 8644435e66d3..7375a9479e84 100644
+--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
++++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+@@ -82,6 +82,7 @@
+ 		simple-audio-card,format = "i2s";
+ 		simple-audio-card,name = "allwinner-hdmi";
+ 		simple-audio-card,mclk-fs = <128>;
++		simple-audio-card,frame-inversion;
+ 
+ 		simple-audio-card,codec {
+ 			sound-dai = <&hdmi>;
+-- 
+2.24.1
+

projects/Allwinner/devices/H2-plus/patches/linux/50-armbian-add-bananapim2-zero-z1-HDMI-out.patch

@@ -0,0 +1,52 @@
+commit 9702424ea23471e3bdbe6a150e28a1ecdf837d2c
+Author: PJBrs <pjbrs@floorenpj.xs4all.nl>
+Date:   Fri Feb 21 08:56:04 2020 +0100
+
+    ARM: dts: sunxi: h2-plus-bananapi-m2-zero: Add HDMI out
+    
+    Add HDMI out, including the display engine, to the BananaPi
+    M2 Zero.
+
+diff --git a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
+index 38e8da594e44..9051a1097258 100644
+--- a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
++++ b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
+@@ -26,6 +26,17 @@
+ 		stdout-path = "serial0:115200n8";
+ 	};
+ 
++	connector {
++		compatible = "hdmi-connector";
++		type = "a";
++
++		port {
++			hdmi_con_in: endpoint {
++				remote-endpoint = <&hdmi_out_con>;
++			};
++		};
++	};
++
+ 	leds {
+ 		compatible = "gpio-leds";
+ 
+@@ -140,6 +151,20 @@
+ 	};
+ };
+ 
++&de {
++	status = "okay";
++};
++
++&hdmi {
++	status = "okay";
++};
++
++&hdmi_out {
++	hdmi_out_con: endpoint {
++		remote-endpoint = <&hdmi_con_in>;
++	};
++};
++
+ &ohci0 {
+ 	status = "okay";
+ };