diff --git a/extmod/extmod.mk b/extmod/extmod.mk
index 05d0be3b16..8e63b25f90 100644
--- a/extmod/extmod.mk
+++ b/extmod/extmod.mk
@@ -3,6 +3,22 @@
 # this sets the config file for FatFs
 CFLAGS_MOD += -DFFCONF_H=\"lib/oofatfs/ffconf.h\"
 
+################################################################################
+# VFS littlefs
+
+ifeq ($(MICROPY_VFS_LFS),1)
+CFLAGS_MOD += -DMICROPY_VFS_LFS=1
+CFLAGS_MOD += -DLFS1_NO_MALLOC -DLFS1_NO_DEBUG -DLFS1_NO_WARN -DLFS1_NO_ERROR -DLFS1_NO_ASSERT
+CFLAGS_MOD += -DLFS2_NO_MALLOC -DLFS2_NO_DEBUG -DLFS2_NO_WARN -DLFS2_NO_ERROR -DLFS2_NO_ASSERT
+LITTLEFS_DIR = lib/littlefs
+SRC_MOD += $(addprefix $(LITTLEFS_DIR)/,\
+	lfs1.c \
+	lfs1_util.c \
+	lfs2.c \
+	lfs2_util.c \
+	)
+endif
+
 ################################################################################
 # ussl
 
diff --git a/extmod/vfs_lfs.c b/extmod/vfs_lfs.c
new file mode 100644
index 0000000000..72f501abbf
--- /dev/null
+++ b/extmod/vfs_lfs.c
@@ -0,0 +1,117 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/runtime.h"
+#include "extmod/vfs.h"
+#include "extmod/vfs_lfs.h"
+
+#if MICROPY_VFS && MICROPY_VFS_LFS
+
+enum { LFS_MAKE_ARG_bdev, LFS_MAKE_ARG_readsize, LFS_MAKE_ARG_progsize, LFS_MAKE_ARG_lookahead };
+
+static const mp_arg_t lfs_make_allowed_args[] = {
+    { MP_QSTR_, MP_ARG_OBJ },
+    { MP_QSTR_readsize, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} },
+    { MP_QSTR_progsize, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} },
+    { MP_QSTR_lookahead, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} },
+};
+
+#include "lib/littlefs/lfs1.h"
+
+#define LFS_BUILD_VERSION (1)
+#define LFSx_MACRO(s) LFS1 ## s
+#define LFSx_API(s) lfs1_ ## s
+#define MP_VFS_LFSx(s) mp_vfs_lfs1_ ## s
+#define MP_OBJ_VFS_LFSx mp_obj_vfs_lfs1_t
+#define MP_OBJ_VFS_LFSx_FILE mp_obj_vfs_lfs1_file_t
+#define MP_TYPE_VFS_LFSx mp_type_vfs_lfs1
+#define MP_TYPE_VFS_LFSx_(s) mp_type_vfs_lfs1 ## s
+
+typedef struct _mp_obj_vfs_lfs1_t {
+    mp_obj_base_t base;
+    mp_vfs_blockdev_t blockdev;
+    vstr_t cur_dir;
+    struct lfs1_config config;
+    lfs1_t lfs;
+} mp_obj_vfs_lfs1_t;
+
+typedef struct _mp_obj_vfs_lfs1_file_t {
+    mp_obj_base_t base;
+    mp_obj_vfs_lfs1_t *vfs;
+    lfs1_file_t file;
+    struct lfs1_file_config cfg;
+    uint8_t file_buffer[0];
+} mp_obj_vfs_lfs1_file_t;
+
+const char *mp_vfs_lfs1_make_path(mp_obj_vfs_lfs1_t *self, mp_obj_t path_in);
+mp_obj_t mp_vfs_lfs1_file_open(mp_obj_t self_in, mp_obj_t path_in, mp_obj_t mode_in);
+
+#include "extmod/vfs_lfsx.c"
+#include "extmod/vfs_lfsx_file.c"
+
+#undef LFS_BUILD_VERSION
+#undef LFSx_MACRO
+#undef LFSx_API
+#undef MP_VFS_LFSx
+#undef MP_OBJ_VFS_LFSx
+#undef MP_OBJ_VFS_LFSx_FILE
+#undef MP_TYPE_VFS_LFSx
+#undef MP_TYPE_VFS_LFSx_
+
+#include "lib/littlefs/lfs2.h"
+
+#define LFS_BUILD_VERSION (2)
+#define LFSx_MACRO(s) LFS2 ## s
+#define LFSx_API(s) lfs2_ ## s
+#define MP_VFS_LFSx(s) mp_vfs_lfs2_ ## s
+#define MP_OBJ_VFS_LFSx mp_obj_vfs_lfs2_t
+#define MP_OBJ_VFS_LFSx_FILE mp_obj_vfs_lfs2_file_t
+#define MP_TYPE_VFS_LFSx mp_type_vfs_lfs2
+#define MP_TYPE_VFS_LFSx_(s) mp_type_vfs_lfs2 ## s
+
+typedef struct _mp_obj_vfs_lfs2_t {
+    mp_obj_base_t base;
+    mp_vfs_blockdev_t blockdev;
+    vstr_t cur_dir;
+    struct lfs2_config config;
+    lfs2_t lfs;
+} mp_obj_vfs_lfs2_t;
+
+typedef struct _mp_obj_vfs_lfs2_file_t {
+    mp_obj_base_t base;
+    mp_obj_vfs_lfs2_t *vfs;
+    lfs2_file_t file;
+    struct lfs2_file_config cfg;
+    uint8_t file_buffer[0];
+} mp_obj_vfs_lfs2_file_t;
+
+const char *mp_vfs_lfs2_make_path(mp_obj_vfs_lfs2_t *self, mp_obj_t path_in);
+mp_obj_t mp_vfs_lfs2_file_open(mp_obj_t self_in, mp_obj_t path_in, mp_obj_t mode_in);
+
+#include "extmod/vfs_lfsx.c"
+#include "extmod/vfs_lfsx_file.c"
+
+#endif // MICROPY_VFS && MICROPY_VFS_LFS
diff --git a/extmod/vfs_lfs.h b/extmod/vfs_lfs.h
new file mode 100644
index 0000000000..1fdf792f1b
--- /dev/null
+++ b/extmod/vfs_lfs.h
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MICROPY_INCLUDED_EXTMOD_VFS_LFS_H
+#define MICROPY_INCLUDED_EXTMOD_VFS_LFS_H
+
+#include "py/obj.h"
+
+extern const mp_obj_type_t mp_type_vfs_lfs1;
+extern const mp_obj_type_t mp_type_vfs_lfs1_fileio;
+extern const mp_obj_type_t mp_type_vfs_lfs1_textio;
+
+extern const mp_obj_type_t mp_type_vfs_lfs2;
+extern const mp_obj_type_t mp_type_vfs_lfs2_fileio;
+extern const mp_obj_type_t mp_type_vfs_lfs2_textio;
+
+#endif // MICROPY_INCLUDED_EXTMOD_VFS_LFS_H
diff --git a/extmod/vfs_lfsx.c b/extmod/vfs_lfsx.c
new file mode 100644
index 0000000000..a042f5ed1e
--- /dev/null
+++ b/extmod/vfs_lfsx.c
@@ -0,0 +1,428 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "py/runtime.h"
+#include "py/stream.h"
+#include "py/binary.h"
+#include "py/objarray.h"
+#include "py/mperrno.h"
+#include "extmod/vfs.h"
+
+STATIC int MP_VFS_LFSx(dev_ioctl)(const struct LFSx_API(config) *c, int cmd, int arg, bool must_return_int) {
+    mp_obj_t ret = mp_vfs_blockdev_ioctl(c->context, cmd, arg);
+    int ret_i = 0;
+    if (must_return_int || ret != mp_const_none) {
+        ret_i = mp_obj_get_int(ret);
+    }
+    return ret_i;
+}
+
+STATIC int MP_VFS_LFSx(dev_read)(const struct LFSx_API(config) *c, LFSx_API(block_t) block, LFSx_API(off_t) off, void *buffer, LFSx_API(size_t) size) {
+    return mp_vfs_blockdev_read_ext(c->context, block, off, size, buffer);
+}
+
+STATIC int MP_VFS_LFSx(dev_prog)(const struct LFSx_API(config) *c, LFSx_API(block_t) block, LFSx_API(off_t) off, const void *buffer, LFSx_API(size_t) size) {
+    return mp_vfs_blockdev_write_ext(c->context, block, off, size, buffer);
+}
+
+STATIC int MP_VFS_LFSx(dev_erase)(const struct LFSx_API(config) *c, LFSx_API(block_t) block) {
+    return MP_VFS_LFSx(dev_ioctl)(c, 6, block, true); // erase
+}
+
+STATIC int MP_VFS_LFSx(dev_sync)(const struct LFSx_API(config) *c) {
+    return MP_VFS_LFSx(dev_ioctl)(c, BP_IOCTL_SYNC, 0, false);
+}
+
+STATIC void MP_VFS_LFSx(init_config)(MP_OBJ_VFS_LFSx *self, mp_obj_t bdev, size_t read_size, size_t prog_size, size_t lookahead) {
+    self->blockdev.flags = MP_BLOCKDEV_FLAG_FREE_OBJ;
+    mp_vfs_blockdev_init(&self->blockdev, bdev);
+
+    struct LFSx_API(config) *config = &self->config;
+    memset(config, 0, sizeof(*config));
+
+    config->context = &self->blockdev;
+
+    config->read = MP_VFS_LFSx(dev_read);
+    config->prog = MP_VFS_LFSx(dev_prog);
+    config->erase = MP_VFS_LFSx(dev_erase);
+    config->sync = MP_VFS_LFSx(dev_sync);
+
+    MP_VFS_LFSx(dev_ioctl)(config, BP_IOCTL_INIT, 0, false); // initialise block device
+    int bs = MP_VFS_LFSx(dev_ioctl)(config, BP_IOCTL_SEC_SIZE, 0, true); // get block size
+    int bc = MP_VFS_LFSx(dev_ioctl)(config, BP_IOCTL_SEC_COUNT, 0, true); // get block count
+    self->blockdev.block_size = bs;
+
+    config->read_size = read_size;
+    config->prog_size = prog_size;
+    config->block_size = bs;
+    config->block_count = bc;
+
+    #if LFS_BUILD_VERSION == 1
+    config->lookahead = lookahead;
+    config->read_buffer = m_new(uint8_t, config->read_size);
+    config->prog_buffer = m_new(uint8_t, config->prog_size);
+    config->lookahead_buffer = m_new(uint8_t, config->lookahead / 8);
+    #else
+    config->block_cycles = 100;
+    config->cache_size = 4 * MAX(read_size, prog_size);
+    config->lookahead_size = lookahead;
+    config->read_buffer = m_new(uint8_t, config->cache_size);
+    config->prog_buffer = m_new(uint8_t, config->cache_size);
+    config->lookahead_buffer = m_new(uint8_t, config->lookahead_size);
+    #endif
+}
+
+const char *MP_VFS_LFSx(make_path)(MP_OBJ_VFS_LFSx *self, mp_obj_t path_in) {
+    const char *path = mp_obj_str_get_str(path_in);
+    if (path[0] != '/') {
+        size_t l = vstr_len(&self->cur_dir);
+        if (l > 0) {
+            vstr_add_str(&self->cur_dir, path);
+            path = vstr_null_terminated_str(&self->cur_dir);
+            self->cur_dir.len = l;
+        }
+    }
+    return path;
+}
+
+STATIC mp_obj_t MP_VFS_LFSx(make_new)(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
+    mp_arg_val_t args[MP_ARRAY_SIZE(lfs_make_allowed_args)];
+    mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(lfs_make_allowed_args), lfs_make_allowed_args, args);
+
+    MP_OBJ_VFS_LFSx *self = m_new0(MP_OBJ_VFS_LFSx, 1);
+    self->base.type = type;
+    vstr_init(&self->cur_dir, 16);
+    vstr_add_byte(&self->cur_dir, '/');
+    MP_VFS_LFSx(init_config)(self, args[LFS_MAKE_ARG_bdev].u_obj,
+        args[LFS_MAKE_ARG_readsize].u_int, args[LFS_MAKE_ARG_progsize].u_int, args[LFS_MAKE_ARG_lookahead].u_int);
+    int ret = LFSx_API(mount)(&self->lfs, &self->config);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+    return MP_OBJ_FROM_PTR(self);
+}
+
+STATIC mp_obj_t MP_VFS_LFSx(mkfs)(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    mp_arg_val_t args[MP_ARRAY_SIZE(lfs_make_allowed_args)];
+    mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(lfs_make_allowed_args), lfs_make_allowed_args, args);
+
+    MP_OBJ_VFS_LFSx self;
+    MP_VFS_LFSx(init_config)(&self, args[LFS_MAKE_ARG_bdev].u_obj,
+        args[LFS_MAKE_ARG_readsize].u_int, args[LFS_MAKE_ARG_progsize].u_int, args[LFS_MAKE_ARG_lookahead].u_int);
+    int ret = LFSx_API(format)(&self.lfs, &self.config);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(MP_VFS_LFSx(mkfs_fun_obj), 0, MP_VFS_LFSx(mkfs));
+STATIC MP_DEFINE_CONST_STATICMETHOD_OBJ(MP_VFS_LFSx(mkfs_obj), MP_ROM_PTR(&MP_VFS_LFSx(mkfs_fun_obj)));
+
+// Implementation of mp_vfs_lfs_file_open is provided in vfs_lfsx_file.c
+STATIC MP_DEFINE_CONST_FUN_OBJ_3(MP_VFS_LFSx(open_obj), MP_VFS_LFSx(file_open));
+
+typedef struct MP_VFS_LFSx(_ilistdir_it_t) {
+    mp_obj_base_t base;
+    mp_fun_1_t iternext;
+    bool is_str;
+    MP_OBJ_VFS_LFSx *vfs;
+    LFSx_API(dir_t) dir;
+} MP_VFS_LFSx(ilistdir_it_t);
+
+STATIC mp_obj_t MP_VFS_LFSx(ilistdir_it_iternext)(mp_obj_t self_in) {
+    MP_VFS_LFSx(ilistdir_it_t) *self = MP_OBJ_TO_PTR(self_in);
+
+    struct LFSx_API(info) info;
+    for (;;) {
+        int ret = LFSx_API(dir_read)(&self->vfs->lfs, &self->dir, &info);
+        if (ret == 0) {
+            LFSx_API(dir_close)(&self->vfs->lfs, &self->dir);
+            return MP_OBJ_STOP_ITERATION;
+        }
+        if (!(info.name[0] == '.' && (info.name[1] == '\0'
+            || (info.name[1] == '.' && info.name[2] == '\0')))) {
+            break;
+        }
+    }
+
+    // make 4-tuple with info about this entry
+    mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(4, NULL));
+    if (self->is_str) {
+        t->items[0] = mp_obj_new_str(info.name, strlen(info.name));
+    } else {
+        t->items[0] = mp_obj_new_bytes((const byte*)info.name, strlen(info.name));
+    }
+    t->items[1] = MP_OBJ_NEW_SMALL_INT(info.type == LFSx_MACRO(_TYPE_REG) ? MP_S_IFREG : MP_S_IFDIR);
+    t->items[2] = MP_OBJ_NEW_SMALL_INT(0); // no inode number
+    t->items[3] = MP_OBJ_NEW_SMALL_INT(info.size);
+
+    return MP_OBJ_FROM_PTR(t);
+}
+
+STATIC mp_obj_t MP_VFS_LFSx(ilistdir_func)(size_t n_args, const mp_obj_t *args) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(args[0]);
+    bool is_str_type = true;
+    const char *path;
+    if (n_args == 2) {
+        if (mp_obj_get_type(args[1]) == &mp_type_bytes) {
+            is_str_type = false;
+        }
+        path = MP_VFS_LFSx(make_path)(self, args[1]);
+    } else {
+        path = vstr_null_terminated_str(&self->cur_dir);
+    }
+
+    MP_VFS_LFSx(ilistdir_it_t) *iter = m_new_obj(MP_VFS_LFSx(ilistdir_it_t));
+    iter->base.type = &mp_type_polymorph_iter;
+    iter->iternext = MP_VFS_LFSx(ilistdir_it_iternext);
+    iter->is_str = is_str_type;
+    iter->vfs = self;
+    int ret = LFSx_API(dir_open)(&self->lfs, &iter->dir, path);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+    return MP_OBJ_FROM_PTR(iter);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(MP_VFS_LFSx(ilistdir_obj), 1, 2, MP_VFS_LFSx(ilistdir_func));
+
+STATIC mp_obj_t MP_VFS_LFSx(remove)(mp_obj_t self_in, mp_obj_t path_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    const char *path = MP_VFS_LFSx(make_path)(self, path_in);
+    int ret = LFSx_API(remove)(&self->lfs, path);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(MP_VFS_LFSx(remove_obj), MP_VFS_LFSx(remove));
+
+STATIC mp_obj_t MP_VFS_LFSx(rmdir)(mp_obj_t self_in, mp_obj_t path_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    const char *path = MP_VFS_LFSx(make_path)(self, path_in);
+    int ret = LFSx_API(remove)(&self->lfs, path);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(MP_VFS_LFSx(rmdir_obj), MP_VFS_LFSx(rmdir));
+
+STATIC mp_obj_t MP_VFS_LFSx(rename)(mp_obj_t self_in, mp_obj_t path_old_in, mp_obj_t path_new_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    const char *path_old = MP_VFS_LFSx(make_path)(self, path_old_in);
+    vstr_t path_new;
+    vstr_init(&path_new, vstr_len(&self->cur_dir));
+    vstr_add_strn(&path_new, vstr_str(&self->cur_dir), vstr_len(&self->cur_dir));
+    vstr_add_str(&path_new, mp_obj_str_get_str(path_new_in));
+    int ret = LFSx_API(rename)(&self->lfs, path_old, vstr_null_terminated_str(&path_new));
+    vstr_clear(&path_new);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_3(MP_VFS_LFSx(rename_obj), MP_VFS_LFSx(rename));
+
+STATIC mp_obj_t MP_VFS_LFSx(mkdir)(mp_obj_t self_in, mp_obj_t path_o) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    const char *path = MP_VFS_LFSx(make_path)(self, path_o);
+    int ret = LFSx_API(mkdir)(&self->lfs, path);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(MP_VFS_LFSx(mkdir_obj), MP_VFS_LFSx(mkdir));
+
+STATIC mp_obj_t MP_VFS_LFSx(chdir)(mp_obj_t self_in, mp_obj_t path_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+
+    // Check path exists
+    const char *path = MP_VFS_LFSx(make_path)(self, path_in);
+    if (path[1] != '\0') {
+        // Not at root, check it exists
+        struct LFSx_API(info) info;
+        int ret = LFSx_API(stat)(&self->lfs, path, &info);
+        if (ret < 0 || info.type != LFSx_MACRO(_TYPE_DIR)) {
+            mp_raise_OSError(-MP_ENOENT);
+        }
+    }
+
+    // Update cur_dir with new path
+    if (path == vstr_str(&self->cur_dir)) {
+        self->cur_dir.len = strlen(path);
+    } else {
+        vstr_reset(&self->cur_dir);
+        vstr_add_str(&self->cur_dir, path);
+    }
+
+    // If not at root add trailing / to make it easy to build paths
+    if (vstr_len(&self->cur_dir) != 1) {
+        vstr_add_byte(&self->cur_dir, '/');
+    }
+
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(MP_VFS_LFSx(chdir_obj), MP_VFS_LFSx(chdir));
+
+STATIC mp_obj_t MP_VFS_LFSx(getcwd)(mp_obj_t self_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    if (vstr_len(&self->cur_dir) == 1) {
+        return MP_OBJ_NEW_QSTR(MP_QSTR__slash_);
+    } else {
+        // don't include trailing /
+        return mp_obj_new_str(self->cur_dir.buf, self->cur_dir.len - 1);
+    }
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(MP_VFS_LFSx(getcwd_obj), MP_VFS_LFSx(getcwd));
+
+STATIC mp_obj_t MP_VFS_LFSx(stat)(mp_obj_t self_in, mp_obj_t path_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    const char *path = mp_obj_str_get_str(path_in);
+    struct LFSx_API(info) info;
+    int ret = LFSx_API(stat)(&self->lfs, path, &info);
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+
+    mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(10, NULL));
+    t->items[0] = MP_OBJ_NEW_SMALL_INT(info.type == LFSx_MACRO(_TYPE_REG) ? MP_S_IFREG : MP_S_IFDIR); // st_mode
+    t->items[1] = MP_OBJ_NEW_SMALL_INT(0); // st_ino
+    t->items[2] = MP_OBJ_NEW_SMALL_INT(0); // st_dev
+    t->items[3] = MP_OBJ_NEW_SMALL_INT(0); // st_nlink
+    t->items[4] = MP_OBJ_NEW_SMALL_INT(0); // st_uid
+    t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // st_gid
+    t->items[6] = mp_obj_new_int_from_uint(info.size); // st_size
+    t->items[7] = MP_OBJ_NEW_SMALL_INT(0); // st_atime
+    t->items[8] = MP_OBJ_NEW_SMALL_INT(0); // st_mtime
+    t->items[9] = MP_OBJ_NEW_SMALL_INT(0); // st_ctime
+
+    return MP_OBJ_FROM_PTR(t);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(MP_VFS_LFSx(stat_obj), MP_VFS_LFSx(stat));
+
+STATIC int LFSx_API(traverse_cb)(void *data, LFSx_API(block_t) bl) {
+    (void)bl;
+    uint32_t *n = (uint32_t*)data;
+    *n += 1;
+    return LFSx_MACRO(_ERR_OK);
+}
+
+STATIC mp_obj_t MP_VFS_LFSx(statvfs)(mp_obj_t self_in, mp_obj_t path_in) {
+    (void)path_in;
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    uint32_t n_used_blocks = 0;
+    #if LFS_BUILD_VERSION == 1
+    int ret = LFSx_API(traverse)(&self->lfs, LFSx_API(traverse_cb), &n_used_blocks);
+    #else
+    int ret = LFSx_API(fs_traverse)(&self->lfs, LFSx_API(traverse_cb), &n_used_blocks);
+    #endif
+    if (ret < 0) {
+        mp_raise_OSError(-ret);
+    }
+
+    mp_obj_tuple_t *t = MP_OBJ_TO_PTR(mp_obj_new_tuple(10, NULL));
+    t->items[0] = MP_OBJ_NEW_SMALL_INT(self->lfs.cfg->block_size); // f_bsize
+    t->items[1] = t->items[0]; // f_frsize
+    t->items[2] = MP_OBJ_NEW_SMALL_INT(self->lfs.cfg->block_count); // f_blocks
+    t->items[3] = MP_OBJ_NEW_SMALL_INT(self->lfs.cfg->block_count - n_used_blocks); // f_bfree
+    t->items[4] = t->items[3]; // f_bavail
+    t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // f_files
+    t->items[6] = MP_OBJ_NEW_SMALL_INT(0); // f_ffree
+    t->items[7] = MP_OBJ_NEW_SMALL_INT(0); // f_favail
+    t->items[8] = MP_OBJ_NEW_SMALL_INT(0); // f_flags
+    t->items[9] = MP_OBJ_NEW_SMALL_INT(LFSx_MACRO(_NAME_MAX)); // f_namemax
+
+    return MP_OBJ_FROM_PTR(t);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_2(MP_VFS_LFSx(statvfs_obj), MP_VFS_LFSx(statvfs));
+
+STATIC mp_obj_t MP_VFS_LFSx(mount)(mp_obj_t self_in, mp_obj_t readonly, mp_obj_t mkfs) {
+    (void)self_in;
+    (void)readonly;
+    (void)mkfs;
+    // already called LFSx_API(mount) in MP_VFS_LFSx(make_new)
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_3(MP_VFS_LFSx(mount_obj), MP_VFS_LFSx(mount));
+
+STATIC mp_obj_t MP_VFS_LFSx(umount)(mp_obj_t self_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+    // LFS unmount never fails
+    LFSx_API(unmount)(&self->lfs);
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(MP_VFS_LFSx(umount_obj), MP_VFS_LFSx(umount));
+
+STATIC const mp_rom_map_elem_t MP_VFS_LFSx(locals_dict_table)[] = {
+    { MP_ROM_QSTR(MP_QSTR_mkfs), MP_ROM_PTR(&MP_VFS_LFSx(mkfs_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&MP_VFS_LFSx(open_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_ilistdir), MP_ROM_PTR(&MP_VFS_LFSx(ilistdir_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&MP_VFS_LFSx(mkdir_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_rmdir), MP_ROM_PTR(&MP_VFS_LFSx(rmdir_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_chdir), MP_ROM_PTR(&MP_VFS_LFSx(chdir_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_getcwd), MP_ROM_PTR(&MP_VFS_LFSx(getcwd_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&MP_VFS_LFSx(remove_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_rename), MP_ROM_PTR(&MP_VFS_LFSx(rename_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&MP_VFS_LFSx(stat_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_statvfs), MP_ROM_PTR(&MP_VFS_LFSx(statvfs_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_mount), MP_ROM_PTR(&MP_VFS_LFSx(mount_obj)) },
+    { MP_ROM_QSTR(MP_QSTR_umount), MP_ROM_PTR(&MP_VFS_LFSx(umount_obj)) },
+};
+STATIC MP_DEFINE_CONST_DICT(MP_VFS_LFSx(locals_dict), MP_VFS_LFSx(locals_dict_table));
+
+STATIC mp_import_stat_t MP_VFS_LFSx(import_stat)(void *self_in, const char *path) {
+    MP_OBJ_VFS_LFSx *self = self_in;
+    struct LFSx_API(info) info;
+    int ret = LFSx_API(stat)(&self->lfs, path, &info);
+    if (ret == 0) {
+        if (info.type == LFSx_MACRO(_TYPE_REG)) {
+            return MP_IMPORT_STAT_FILE;
+        } else {
+            return MP_IMPORT_STAT_DIR;
+        }
+    }
+    return MP_IMPORT_STAT_NO_EXIST;
+}
+
+STATIC const mp_vfs_proto_t MP_VFS_LFSx(proto) = {
+    .import_stat = MP_VFS_LFSx(import_stat),
+};
+
+const mp_obj_type_t MP_TYPE_VFS_LFSx = {
+    { &mp_type_type },
+    #if LFS_BUILD_VERSION == 1
+    .name = MP_QSTR_VfsLfs1,
+    #else
+    .name = MP_QSTR_VfsLfs2,
+    #endif
+    .make_new = MP_VFS_LFSx(make_new),
+    .protocol = &MP_VFS_LFSx(proto),
+    .locals_dict = (mp_obj_dict_t*)&MP_VFS_LFSx(locals_dict),
+};
diff --git a/extmod/vfs_lfsx_file.c b/extmod/vfs_lfsx_file.c
new file mode 100644
index 0000000000..113c3ec990
--- /dev/null
+++ b/extmod/vfs_lfsx_file.c
@@ -0,0 +1,236 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "py/runtime.h"
+#include "py/stream.h"
+#include "py/mperrno.h"
+#include "extmod/vfs.h"
+
+STATIC void MP_VFS_LFSx(check_open)(MP_OBJ_VFS_LFSx_FILE *self) {
+    if (self->vfs == NULL) {
+        mp_raise_ValueError(NULL);
+    }
+}
+
+STATIC void MP_VFS_LFSx(file_print)(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
+    (void)self_in;
+    (void)kind;
+    mp_printf(print, "<io.%s>", mp_obj_get_type_str(self_in));
+}
+
+mp_obj_t MP_VFS_LFSx(file_open)(mp_obj_t self_in, mp_obj_t path_in, mp_obj_t mode_in) {
+    MP_OBJ_VFS_LFSx *self = MP_OBJ_TO_PTR(self_in);
+
+    int flags = 0;
+    const mp_obj_type_t *type = &MP_TYPE_VFS_LFSx_(_textio);
+    const char *mode_str = mp_obj_str_get_str(mode_in);
+    for (; *mode_str; ++mode_str) {
+        int new_flags = 0;
+        switch (*mode_str) {
+            case 'r':
+                new_flags = LFSx_MACRO(_O_RDONLY);
+                break;
+            case 'w':
+                new_flags = LFSx_MACRO(_O_WRONLY) | LFSx_MACRO(_O_CREAT) | LFSx_MACRO(_O_TRUNC);
+                break;
+            case 'x':
+                new_flags = LFSx_MACRO(_O_WRONLY) | LFSx_MACRO(_O_CREAT) | LFSx_MACRO(_O_EXCL);
+                break;
+            case 'a':
+                new_flags = LFSx_MACRO(_O_WRONLY) | LFSx_MACRO(_O_CREAT) | LFSx_MACRO(_O_APPEND);
+                break;
+            case '+':
+                flags |= LFSx_MACRO(_O_RDWR);
+                break;
+            #if MICROPY_PY_IO_FILEIO
+            case 'b':
+                type = &MP_TYPE_VFS_LFSx_(_fileio);
+                break;
+            #endif
+            case 't':
+                type = &MP_TYPE_VFS_LFSx_(_textio);
+                break;
+        }
+        if (new_flags) {
+            if (flags) {
+                mp_raise_ValueError(NULL);
+            }
+            flags = new_flags;
+        }
+    }
+    if (flags == 0) {
+        flags = LFSx_MACRO(_O_RDONLY);
+    }
+
+    #if LFS_BUILD_VERSION == 1
+    MP_OBJ_VFS_LFSx_FILE *o = m_new_obj_var_with_finaliser(MP_OBJ_VFS_LFSx_FILE, uint8_t, self->lfs.cfg->prog_size);
+    #else
+    MP_OBJ_VFS_LFSx_FILE *o = m_new_obj_var_with_finaliser(MP_OBJ_VFS_LFSx_FILE, uint8_t, self->lfs.cfg->cache_size);
+    #endif
+    o->base.type = type;
+    o->vfs = self;
+    #if !MICROPY_GC_CONSERVATIVE_CLEAR
+    memset(&o->file, 0, sizeof(o->file));
+    memset(&o->cfg, 0, sizeof(o->cfg));
+    #endif
+    o->cfg.buffer = &o->file_buffer[0];
+
+    const char *path = MP_VFS_LFSx(make_path)(self, path_in);
+    int ret = LFSx_API(file_opencfg)(&self->lfs, &o->file, path, flags, &o->cfg);
+    if (ret < 0) {
+        o->vfs = NULL;
+        mp_raise_OSError(-ret);
+    }
+
+    return MP_OBJ_FROM_PTR(o);
+}
+
+STATIC mp_obj_t MP_VFS_LFSx(file___exit__)(size_t n_args, const mp_obj_t *args) {
+    (void)n_args;
+    return mp_stream_close(args[0]);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(MP_VFS_LFSx(file___exit___obj), 4, 4, MP_VFS_LFSx(file___exit__));
+
+STATIC mp_uint_t MP_VFS_LFSx(file_read)(mp_obj_t self_in, void *buf, mp_uint_t size, int *errcode) {
+    MP_OBJ_VFS_LFSx_FILE *self = MP_OBJ_TO_PTR(self_in);
+    MP_VFS_LFSx(check_open)(self);
+    LFSx_API(ssize_t) sz = LFSx_API(file_read)(&self->vfs->lfs, &self->file, buf, size);
+    if (sz < 0) {
+        *errcode = -sz;
+        return MP_STREAM_ERROR;
+    }
+    return sz;
+}
+
+STATIC mp_uint_t MP_VFS_LFSx(file_write)(mp_obj_t self_in, const void *buf, mp_uint_t size, int *errcode) {
+    MP_OBJ_VFS_LFSx_FILE *self = MP_OBJ_TO_PTR(self_in);
+    MP_VFS_LFSx(check_open)(self);
+    LFSx_API(ssize_t) sz = LFSx_API(file_write)(&self->vfs->lfs, &self->file, buf, size);
+    if (sz < 0) {
+        *errcode = -sz;
+        return MP_STREAM_ERROR;
+    }
+    return sz;
+}
+
+STATIC mp_uint_t MP_VFS_LFSx(file_ioctl)(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
+    MP_OBJ_VFS_LFSx_FILE *self = MP_OBJ_TO_PTR(self_in);
+
+    if (request != MP_STREAM_CLOSE) {
+        MP_VFS_LFSx(check_open)(self);
+    }
+
+    if (request == MP_STREAM_SEEK) {
+        struct mp_stream_seek_t *s = (struct mp_stream_seek_t*)(uintptr_t)arg;
+        int res = LFSx_API(file_seek)(&self->vfs->lfs, &self->file, s->offset, s->whence);
+        if (res < 0) {
+            *errcode = -res;
+            return MP_STREAM_ERROR;
+        }
+        res = LFSx_API(file_tell)(&self->vfs->lfs, &self->file);
+        if (res < 0) {
+            *errcode = -res;
+            return MP_STREAM_ERROR;
+        }
+        s->offset = res;
+        return 0;
+    } else if (request == MP_STREAM_FLUSH) {
+        int res = LFSx_API(file_sync)(&self->vfs->lfs, &self->file);
+        if (res < 0) {
+            *errcode = -res;
+            return MP_STREAM_ERROR;
+        }
+        return 0;
+    } else if (request == MP_STREAM_CLOSE) {
+        if (self->vfs == NULL) {
+            return 0;
+        }
+        int res = LFSx_API(file_close)(&self->vfs->lfs, &self->file);
+        self->vfs = NULL; // indicate a closed file
+        if (res < 0) {
+            *errcode = -res;
+            return MP_STREAM_ERROR;
+        }
+        return 0;
+    } else {
+        *errcode = MP_EINVAL;
+        return MP_STREAM_ERROR;
+    }
+}
+
+STATIC const mp_rom_map_elem_t MP_VFS_LFSx(file_locals_dict_table)[] = {
+    { MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mp_stream_read_obj) },
+    { MP_ROM_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&mp_stream_readinto_obj) },
+    { MP_ROM_QSTR(MP_QSTR_readline), MP_ROM_PTR(&mp_stream_unbuffered_readline_obj) },
+    { MP_ROM_QSTR(MP_QSTR_readlines), MP_ROM_PTR(&mp_stream_unbuffered_readlines_obj) },
+    { MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mp_stream_write_obj) },
+    { MP_ROM_QSTR(MP_QSTR_flush), MP_ROM_PTR(&mp_stream_flush_obj) },
+    { MP_ROM_QSTR(MP_QSTR_close), MP_ROM_PTR(&mp_stream_close_obj) },
+    { MP_ROM_QSTR(MP_QSTR_seek), MP_ROM_PTR(&mp_stream_seek_obj) },
+    { MP_ROM_QSTR(MP_QSTR_tell), MP_ROM_PTR(&mp_stream_tell_obj) },
+    { MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&mp_stream_close_obj) },
+    { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&mp_identity_obj) },
+    { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&MP_VFS_LFSx(file___exit___obj)) },
+};
+STATIC MP_DEFINE_CONST_DICT(MP_VFS_LFSx(file_locals_dict), MP_VFS_LFSx(file_locals_dict_table));
+
+#if MICROPY_PY_IO_FILEIO
+STATIC const mp_stream_p_t MP_VFS_LFSx(fileio_stream_p) = {
+    .read = MP_VFS_LFSx(file_read),
+    .write = MP_VFS_LFSx(file_write),
+    .ioctl = MP_VFS_LFSx(file_ioctl),
+};
+
+const mp_obj_type_t MP_TYPE_VFS_LFSx_(_fileio) = {
+    { &mp_type_type },
+    .name = MP_QSTR_FileIO,
+    .print = MP_VFS_LFSx(file_print),
+    .getiter = mp_identity_getiter,
+    .iternext = mp_stream_unbuffered_iter,
+    .protocol = &MP_VFS_LFSx(fileio_stream_p),
+    .locals_dict = (mp_obj_dict_t*)&MP_VFS_LFSx(file_locals_dict),
+};
+#endif
+
+STATIC const mp_stream_p_t MP_VFS_LFSx(textio_stream_p) = {
+    .read = MP_VFS_LFSx(file_read),
+    .write = MP_VFS_LFSx(file_write),
+    .ioctl = MP_VFS_LFSx(file_ioctl),
+    .is_text = true,
+};
+
+const mp_obj_type_t MP_TYPE_VFS_LFSx_(_textio) = {
+    { &mp_type_type },
+    .name = MP_QSTR_TextIOWrapper,
+    .print = MP_VFS_LFSx(file_print),
+    .getiter = mp_identity_getiter,
+    .iternext = mp_stream_unbuffered_iter,
+    .protocol = &MP_VFS_LFSx(textio_stream_p),
+    .locals_dict = (mp_obj_dict_t*)&MP_VFS_LFSx(file_locals_dict),
+};
diff --git a/py/py.mk b/py/py.mk
index b08b3f80c8..8c2d3c7b80 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -192,6 +192,7 @@ PY_EXTMOD_O_BASENAME = \
 	extmod/vfs_fat.o \
 	extmod/vfs_fat_diskio.o \
 	extmod/vfs_fat_file.o \
+	extmod/vfs_lfs.o \
 	extmod/utime_mphal.o \
 	extmod/uos_dupterm.o \
 	lib/embed/abort_.o \