Merge pull request #67 from balena-os/nanopi-bt

Nanopi Neo Air enable BT

balena-yocto-scripts

@@ -1 +1 @@
-Subproject commit 84c60eba818d4276d449692a3084f2c20e0eaae8
+Subproject commit dcb55b47395af9e2aaa6d6aed0843d31262b107a

layers/meta-resin

@@ -1 +1 @@
-Subproject commit aa876586512dfca97fcf2e5d5ef536e9fbc41fa1
+Subproject commit 64859b0669d525b046367afe5e32bccb3dcbf0b1

layers/meta-resin-allwinner/recipes-bsp/brcm-patchram-plus/brcm-patchram-plus.bb

@@ -0,0 +1,25 @@
+DESCRIPTION = "Broadcom Bluetooth patch utility"
+SECTION = "connectivity"
+
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+SRCREV = "6e6506eb74c918e761f9ba08a6c71897334747c1"
+SRC_URI = " git://android.googlesource.com/platform/system/bluetooth.git;protocol=https"
+
+S = "${WORKDIR}/git/brcm_patchram_plus"
+
+do_compile() {
+    ${CC} ${LDFLAGS} brcm_patchram_plus.c -o brcm_patchram_plus
+}
+
+do_install() {
+    mkdir -p ${D}/${bindir}/
+    install -m 0755 ${S}/brcm_patchram_plus ${D}/${bindir}
+}
+
+FILES_${PN}-dbg += "${sysconfdir}/bluetooth/.debug"
+FILES_${PN} += "${bindir}/brcm_patchram_plus"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+

layers/meta-resin-allwinner/recipes-bsp/nanopi-air-bt/nanopi-air-bt.bb

@@ -0,0 +1,32 @@
+SUMMARY = "Enable bluetooth on Nanopi Neo Air boards"
+
+LICENSE="Apache-2.0"
+LIC_FILES_CHKSUM = "file://${RESIN_COREBASE}/COPYING.Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+DESCRIPTION = "Package contains udev rule, systemd service and a script to init the Ampak 6212A \
+bluetooth chip for the Nanopi Neo Air board"
+
+S = "${WORKDIR}"
+
+SRC_URI = "file://99-nanopi-air-bt.rules \
+    file://nanopi-air-bt@.service \
+    file://nanopi-air-bt-start \
+"
+
+do_install() {
+    mkdir -p ${D}/usr/bin
+    mkdir -p ${D}/lib/udev/rules.d
+    install -m 0644 99-nanopi-air-bt.rules ${D}/lib/udev/rules.d
+    install -m 0744 nanopi-air-bt-start ${D}/usr/bin
+
+    if ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'true', 'false', d)}; then
+        install -d ${D}${systemd_unitdir}/system
+        install -m 0644 ${WORKDIR}/nanopi-air-bt@.service ${D}${systemd_unitdir}/system
+    fi
+}
+
+FILES_${PN} = " \
+  /lib/udev/rules.d/99-nanopi-air-bt.rules \
+  /lib/systemd/system/nanopi-air-bt@.service \
+  /usr/bin/nanopi-air-bt-start \
+"

layers/meta-resin-allwinner/recipes-bsp/nanopi-air-bt/nanopi-air-bt/99-nanopi-air-bt.rules

@@ -0,0 +1 @@
+ACTION=="add", SUBSYSTEM=="tty", ATTR{iomem_base}=="0x1C28C00", TAG+="systemd", ENV{SYSTEMD_WANTS}="nanopi-air-bt@'%E{DEVNAME}'.service"

layers/meta-resin-allwinner/recipes-bsp/nanopi-air-bt/nanopi-air-bt/nanopi-air-bt-start

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+if [ $# -lt 1 ]; then
+        echo "Interface argument missing ... /dev/ttyX"
+        exit 1
+fi
+
+echo 205 > /sys/class/gpio/export
+echo out > /sys/class/gpio/gpio205/direction
+
+# Reset BT
+echo "Resetting BT chip"
+echo 0 > /sys/class/gpio/gpio205/value
+echo 1 > /sys/class/gpio/gpio205/value
+
+/usr/bin/brcm_patchram_plus -d --patchram /lib/firmware/brcm/bcm43438a1.hcd --no2bytes --tosleep 5000 $1 > /tmp/brcm_log 2>&1
+hciattach -n $1 bcm43xx 115200 flow

layers/meta-resin-allwinner/recipes-bsp/nanopi-air-bt/nanopi-air-bt/nanopi-air-bt@.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Ampak AP6212A Bluetooth HCI on Nanopi Neo Air
+
+[Service]
+Type=simple
+ExecStart=/bin/bash /usr/bin/nanopi-air-bt-start %I
+
+[Install]
+WantedBy=multi-user.target

layers/meta-resin-allwinner/recipes-core/packagegroups/packagegroup-resin.bbappend

@@ -0,0 +1,3 @@
+RDEPENDS_${PN}_append_nanopi-neo-air = " brcm-patchram-plus \
+	nanopi-air-bt \
+"

layers/meta-resin-allwinner/recipes-kernel/linux-firmware/linux-firmware_%.bbappend

@@ -10,6 +10,8 @@ SRC_URI_append = " \
     file://config.txt \
     file://brcmfmac43362-sdio.txt \
     file://brcmfmac43430-sdio.txt \
+    file://bcm43438a0.hcd \
+    file://bcm43438a1.hcd \
     "
 
 do_install_append() {
@@ -26,6 +28,8 @@ do_install_append() {
 do_install_append_nanopi-neo-air() {
     mkdir -p ${D}/${nonarch_base_libdir}/firmware/brcm
     install -m 0644 ${WORKDIR}/brcmfmac43430-sdio.txt ${D}${nonarch_base_libdir}/firmware/brcm
+    install -m 0644 ${WORKDIR}/bcm43438a0.hcd ${D}${nonarch_base_libdir}/firmware/brcm
+    install -m 0644 ${WORKDIR}/bcm43438a1.hcd ${D}${nonarch_base_libdir}/firmware/brcm
 }
 
 PACKAGES =+ "${PN}-ap6212 ${PN}-brcm43362"
@@ -37,6 +41,8 @@ FILES_${PN}-ap6212 = " \
   /lib/firmware/brcm/brcmfmac43430a0-sdio.bin \
   /lib/firmware/brcm/brcmfmac43430a0-sdio.txt \
   /lib/firmware/brcm/config.txt \
+  /lib/firmware/brcm/bcm43438a0.hcd \
+  /lib/firmware/brcm/bcm43438a1.hcd \
 "
 
 FILES_${PN}-brcm43362 = " \

layers/meta-resin-allwinner/recipes-kernel/linux/linux-mainline/0001-Enable-uart3-for-NanoPi-Neo-Air-used-by-BT.patch

@@ -0,0 +1,31 @@
+From b093d275ba1bec4d8ee91f18609ef0266fa5cbbb Mon Sep 17 00:00:00 2001
+From: Sebastian Panceac <sebastian@balena.io>
+Date: Wed, 27 Feb 2019 10:13:31 +0100
+Subject: [PATCH] Enable uart3 for NanoPi Neo Air used by BT
+
+Upstream-status: Pending
+Signed-off-by: Sebastian Panceac <sebastian@balena.io>
+---
+ arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts
+index a9331fe67..99e34f0a1 100644
+--- a/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts
++++ b/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts
+@@ -124,6 +124,12 @@
+ 	status = "okay";
+ };
+ 
++&uart3 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&uart3_pins>, <&uart3_rts_cts_pins>;
++	status = "okay";
++};
++
+ &usbphy {
+ 	/* USB VBUS is always on */
+ 	status = "okay";
+-- 
+2.17.1
+

layers/meta-resin-allwinner/recipes-kernel/linux/linux-mainline_%.bbappend

@@ -1,5 +1,10 @@
 inherit kernel-resin
 
+FILESEXTRAPATHS_prepend := "${THISDIR}/linux-mainline:"
+
+SRC_URI_append = " file://0001-Enable-uart3-for-NanoPi-Neo-Air-used-by-BT.patch \
+"
+
 do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}binutils:do_populate_sysroot"
 do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}gcc:do_populate_sysroot"
 do_kernel_configme[depends] += "bc-native:do_populate_sysroot bison-native:do_populate_sysroot"