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obj-$(CONFIG_TOUCHSCREEN_NS2009)	+= ns2009.o

config TOUCHSCREEN_NS2009
	tristate "Nsiway NS2009 touchscreen"
	depends on I2C
	select INPUT_POLLDEV
	help
	  Say Y here to enable Nsiway NS2009 resistive touchscreen
	  controller support.

	  If unsure, say N.

	  To compile this driver as a module, choose M here: the
	  module will be called ns2009.

           i2c0: i2c@1C27000 {
                    compatible = "allwinner,sun6i-a31-i2c";
                    reg = <0x01C27000 0x400>;
                    interrupts = <7>;
                    clocks = <&ccu CLK_BUS_I2C0>;
                    resets = <&ccu RST_BUS_I2C0>;
                    pinctrl-names = "default";
                    pinctrl-0 = <&i2c0_pins>;
                    status = "disabled";
                    #address-cells = <1>;
                    #size-cells = <0>;
            };
            i2c0_pins: i2c0 {
                    pins = "PE11", "PE12";
                    function = "i2c0";
            };

            twi0: twi@1c27000 {
			compatible = "allwinner,sun6i-a31-i2c";
			reg = <0x01c27000 0x400>;
			interrupts = <7>;
			clocks = <&ccu CLK_BUS_I2C0>;
			clock-names = "apb";
			resets = <&ccu RST_BUS_I2C0>;
			clock-frequency = <100000>;
			#address-cells = <1>;
			#size-cells = <0>;
            };

&pio {
        ts_reset_pin: ts_reset_pin@0 {
            pins = "PE9";
            function = "gpio_out";
        };
	twi0_pins: twi0-pin-pd {
		pins = "PD0", "PD12";
		function = "i2c0";
	};
	uart1_pins: uart1-pin-pa {
		pins = "PA2", "PA3";
		function = "uart1";
	};
};

&twi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&twi0_pins>;
	status = "okay";
	ts: twi0@0x48 {
		compatible = "nsiway,ns2009";
		i2c-max-frequency = <100000>;
		reg = <0x48>;
		status = "okay";
	};
};

U-Boot SPL 2018.01-05679-g013ca457fd-dirty (Aug 02 2020 - 05:51:43)
DRAM: 64 MiB
Trying to boot from MMC1
Card did not respond to voltage select!
mmc_init: -95, time 22
spl: mmc init failed with error: -95
Trying to boot from sunxi SPI


U-Boot 2018.01-05679-g013ca457fd-dirty (Aug 02 2020 - 05:51:43 +0800) Allwinner Technology

DRAM:  64 MiB
MMC:   SUNXI SD/MMC: 0
SF: Detected w25q256 with page size 256 Bytes, erase size 4 KiB, total 32 MiB
*** Warning - bad CRC, using default environment

Setting up a 480x272 lcd console (overscan 0x0)
In:    serial@1c25000
Out:   serial@1c25000
Err:   serial@1c25000
Net:   No ethernet found.
starting USB...
No controllers found
Hit any key to stop autoboot:  0 
SF: Detected w25q256 with page size 256 Bytes, erase size 4 KiB, total 32 MiB
device 0 offset 0x100000, size 0x4000
SF: 16384 bytes @ 0x100000 Read: OK
device 0 offset 0x110000, size 0x400000
SF: 4194304 bytes @ 0x110000 Read: OK
## Flattened Device Tree blob at 80c00000
   Booting using the fdt blob at 0x80c00000
   Loading Device Tree to 816fa000, end 816ff2ac ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.15.0-rc8-licheepi-nano+ (root@kali) (gcc version 7.2.1 20171011 (Linaro GCC 7.2-2017.11)) #9 Wed Aug 19 11:27:29 CST 2020
[    0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] OF: fdt: Machine model: Lichee Pi Nano
[    0.000000] Memory policy: Data cache writeback
[    0.000000] random: fast init done
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16002
[    0.000000] Kernel command line: console=ttyS0,115200 panic=5 rootwait root=/dev/mtdblock3 rw rootfstype=jffs2 mem=63M vt.global_cursor_default=0
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Memory: 54132K/64512K available (6144K kernel code, 239K rwdata, 1440K rodata, 1024K init, 249K bss, 10380K reserved, 0K cma-reserved, 0K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xc4000000 - 0xff800000   ( 952 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xc3f00000   (  63 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0x(ptrval) - 0x(ptrval)   (7136 kB)
[    0.000000]       .init : 0x(ptrval) - 0x(ptrval)   (1024 kB)
[    0.000000]       .data : 0x(ptrval) - 0x(ptrval)   ( 240 kB)
[    0.000000]        .bss : 0x(ptrval) - 0x(ptrval)   ( 250 kB)
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000046] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000112] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000672] Console: colour dummy device 80x30
[    0.000763] Calibrating delay loop... 203.16 BogoMIPS (lpj=1015808)
[    0.070232] pid_max: default: 32768 minimum: 301
[    0.070547] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.070586] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.072030] CPU: Testing write buffer coherency: ok
[    0.073727] Setting up static identity map for 0x80100000 - 0x80100058
[    0.076270] devtmpfs: initialized
[    0.083570] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.083628] futex hash table entries: 256 (order: -1, 3072 bytes)
[    0.083891] pinctrl core: initialized pinctrl subsystem
[    0.085894] NET: Registered protocol family 16
[    0.087458] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.089228] cpuidle: using governor menu
[    0.115483] SCSI subsystem initialized
[    0.115808] usbcore: registered new interface driver usbfs
[    0.115950] usbcore: registered new interface driver hub
[    0.116159] usbcore: registered new device driver usb
[    0.116601] pps_core: LinuxPPS API ver. 1 registered
[    0.116625] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.116685] PTP clock support registered
[    0.117166] Advanced Linux Sound Architecture Driver Initialized.
[    0.118785] clocksource: Switched to clocksource timer
[    0.145414] NET: Registered protocol family 2
[    0.146831] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[    0.146903] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[    0.146952] TCP: Hash tables configured (established 1024 bind 1024)
[    0.147231] UDP hash table entries: 256 (order: 0, 4096 bytes)
[    0.147283] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[    0.147750] NET: Registered protocol family 1
[    0.149091] RPC: Registered named UNIX socket transport module.
[    0.149133] RPC: Registered udp transport module.
[    0.149149] RPC: Registered tcp transport module.
[    0.149165] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.151493] NetWinder Floating Point Emulator V0.97 (double precision)
[    0.153315] Initialise system trusted keyrings
[    0.153867] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[    0.171364] NFS: Registering the id_resolver key type
[    0.171443] Key type id_resolver registered
[    0.171465] Key type id_legacy registered
[    0.171580] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
[    0.186212] Key type asymmetric registered
[    0.186254] Asymmetric key parser 'x509' registered
[    0.186465] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    0.186497] io scheduler noop registered
[    0.186515] io scheduler deadline registered
[    0.187310] io scheduler cfq registered (default)
[    0.187343] io scheduler mq-deadline registered
[    0.187362] io scheduler kyber registered
[    0.188500] sun4i-usb-phy 1c13400.phy: Couldn't request ID GPIO
[    0.198197] suniv-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[    0.370515] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[    0.377175] console [ttyS0] disabled
[    0.397427] 1c25000.serial: ttyS0 at MMIO 0x1c25000 (irq = 24, base_baud = 6250000) is a 16550A
[    0.873969] console [ttyS0] enabled
[    0.884796] panel-simple panel: panel supply power not found, using dummy regulator
[    0.923334] brd: module loaded
[    0.945187] loop: module loaded
[    0.949281] SCSI Media Changer driver v0.25 
[    0.956943] m25p80 spi0.0: found w25q256, expected w25q128
[    0.962765] m25p80 spi0.0: w25q256 (32768 Kbytes)
[    0.968433] 4 ofpart partitions found on MTD device spi0.0
[    0.974040] Creating 4 MTD partitions on "spi0.0":
[    0.978898] 0x000000000000-0x000000100000 : "u-boot"
[    0.987799] rfd_ftl: no RFD magic found in 'u-boot'
[    0.994981] ftl_cs: FTL header not found.
[    1.000713] 0x000000100000-0x000000110000 : "dtb"
[    1.006713] ftl_cs: FTL header not found.
[    1.012357] 0x000000110000-0x000000510000 : "kernel"
[    1.028545] rfd_ftl: no RFD magic found in 'kernel'
[    1.035754] ftl_cs: FTL header not found.
[    1.041453] 0x000000510000-0x000001000000 : "rootfs"
[    1.074700] rfd_ftl: no RFD magic found in 'rootfs'
[    1.081911] ftl_cs: FTL header not found.
[    1.088050] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.094706] ehci-platform: EHCI generic platform driver
[    1.100315] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    1.106536] ohci-platform: OHCI generic platform driver
[    1.112234] usbcore: registered new interface driver usb-storage
[    1.119248] udc-core: couldn't find an available UDC - added [g_cdc] to list of pending drivers
[    1.128303] i2c /dev entries driver
[    1.134632] input: ns2009_ts as /devices/platform/soc/1c27000.twi/i2c-0/0-0048/input/input0
[    1.198904] sunxi-mmc 1c0f000.mmc: base:0xdca4e2c9 irq:19
[    1.206388] usbcore: registered new interface driver usbhid
[    1.212088] usbhid: USB HID core driver
[    1.234775] NET: Registered protocol family 17
[    1.239587] Key type dns_resolver registered
[    1.246229] Loading compiled-in X.509 certificates
[    1.259679] suniv-pinctrl 1c20800.pinctrl: pin PD0 already requested by 1c27000.twi; cannot claim for 1c0c000.lcd-controller
[    1.270999] suniv-pinctrl 1c20800.pinctrl: pin-96 (1c0c000.lcd-controller) status -22
[    1.278881] suniv-pinctrl 1c20800.pinctrl: could not request pin 96 (PD0) from group PD0  on device 1c20800.pinctrl
[    1.289334] sun4i-tcon 1c0c000.lcd-controller: Error applying setting, reverse things back
[    1.297629] sun4i-tcon: probe of 1c0c000.lcd-controller failed with error -22
[    1.306354] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[    1.318239] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[    1.324165] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
[    1.334445] hub 1-0:1.0: USB hub found
[    1.338961] hub 1-0:1.0: 1 port detected
[    1.345821] using random self ethernet address
[    1.350409] using random host ethernet address
[    1.356619] usb0: HOST MAC 72:d3:b8:20:13:73
[    1.361146] usb0: MAC 8a:c6:a6:dc:9e:63
[    1.365089] g_cdc gadget: CDC Composite Gadget, version: King Kamehameha Day 2008
[    1.372650] g_cdc gadget: g_cdc ready
[    1.377875] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    1.395405] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    1.402223] vcc3v3: disabling
[    1.405202] ALSA device list:
[    1.408167]   #0: Loopback 1
[    1.411932] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    1.420633] cfg80211: failed to load regulatory.db
[    1.500288] random: crng init done
[    3.005526] VFS: Mounted root (jffs2 filesystem) on device 31:3.
[    3.013471] devtmpfs: mounted
[    3.020982] Freeing unused kernel memory: 1024K
Starting logging: OK
Starting mdev...
modprobe: can't change directory to '/lib/modules': No such file or directory
Initializing random number generator... done.
Starting network: OK

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