initial buildroot for linux 5.15

package/tslib/Config.in

@@ -0,0 +1,6 @@
+config BR2_PACKAGE_TSLIB
+	bool "tslib"
+	help
+	  Tslib is a filtering layer for touchscreen panel events.
+
+	  http://tslib.org

package/tslib/tslib.hash

@@ -0,0 +1,5 @@
+# https://github.com/libts/tslib/releases/download/1.22/tslib-1.22.tar.xz.sha256
+sha256  aaf0aed410a268d7b51385d07fe4d9d64312038e87c447ec8a24c8db0a15617a  tslib-1.22.tar.xz
+
+# Locally computed
+sha256  9b872a8a070b8ad329c4bd380fb1bf0000f564c75023ec8e1e6803f15364b9e9  COPYING

package/tslib/tslib.mk

@@ -0,0 +1,35 @@
+################################################################################
+#
+# tslib
+#
+################################################################################
+
+TSLIB_VERSION = 1.22
+TSLIB_SITE = https://github.com/libts/tslib/releases/download/$(TSLIB_VERSION)
+TSLIB_SOURCE = tslib-$(TSLIB_VERSION).tar.xz
+TSLIB_LICENSE = GPL-2.0+ (programs), LGPL-2.1+ (libraries)
+TSLIB_LICENSE_FILES = COPYING
+
+TSLIB_INSTALL_STAGING = YES
+TSLIB_INSTALL_STAGING_OPTS = DESTDIR=$(STAGING_DIR) LDFLAGS=-L$(STAGING_DIR)/usr/lib install
+
+ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6),)
+TSLIB_CONF_OPTS += --disable-tools
+endif
+
+ifeq ($(BR2_STATIC_LIBS),y)
+TSLIB_CONF_OPTS += \
+	--enable-input=static \
+	--enable-linear=static \
+	--enable-median=static \
+	--enable-pthres=static \
+	--enable-iir=static \
+	--enable-dejitter=static \
+	--enable-debounce=static \
+	--enable-skip=static \
+	--enable-lowpass=static \
+	--enable-invert=static \
+	--enable-evthres=static
+endif
+
+$(eval $(autotools-package))